www.slc.or.kr
61, Geowol-ro, Seo-gu, Incheon, Republic of Korea Tel: +82-32-560-9300
Scan the QR Code for SLC's PR video on YouTube.
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What happens to waste after you throw it away?
Waste Collection and Disposal System
Foodwaste
Separate Collection Recycling
Compost Feedstuff Recyclable Items
Recycled Products Transshipment Site/
Recycling Facility Recycling
Biogas to Energy
Landfill Site (Sudokwon Landfill Site)
Park and Greenery (Dream Park) LFG Power Plant
(Power Generation) Standard
Garbage Bags
Transshipment Site (Sending collected waste to
treatment facilities)
Solid Refuse Fuel (SRF)
Incineration Ordinary
Industrial Waste Construction Waste Designated Waste
Off-Site Treatment
Solid Refuse Fuel (SRF) Solid Refuse
Fuel (SRF) Sludge Drying Fuel Sludge
Drying Fuel
Waste-to-Energy Town (SLC) Recycling Businesses
(Private Facility)
Recycling
Plant/Hospital/Construction Site Industrial Waste
Discharging
Facility Waste Industrial Household Waste
Landfill Incineration
& Recycling
Waste Generation
House/Apartment Household Waste
Mechanical Biological Treatment (MBT)
Waste to Resources, Landfill to Dream Park
Resident Sports Park
Club House
Green-Bio Complex
Nursery Greenhouse
Airport Railroad Express CNG Charging Facilities
Resource Circulation Technology Research Center
Camping Site
National Institute of Biological Resources Korea Environment
Corporation
Horseback Riding Facility
Swimming Pool
Main Office Main Gate
East Gate
Environmental Industry Research Complex
PR Center 1
Landfill Site 1 (Dream Park CC)
2
Landfill Site 4 (to be constructed)
Gyeongin Ara Waterway West Sea
South Gate Anam-Do Reservoir
Leachate Treatment Facility
3
Landfill Site 2 Landfill Site 3
5
Integrated Weighbridge
6
Waste-to-Energy Town
7
Power Plant LFG
4
Sudokwon Landfill Site At A GLANCE
We are transforming the landfill site into Dream Park, where a more harmonious relationship between people and nature is realized through many projects such as the eco-friendly golf course of
Dream Park CC, which was built on the landfill, and other waste-to-resources facilities.
➊ PR Center
➋ Landfill Site 1 (Dream Park CC)
As an eco-friendly golf course with 36 holes built on the completed Landfill Site 1, Dream Park CC has hosted many international competitions.
➌ Leachate Treatment Facility
The leachate generated in the landfill sites are disposed of safely.
➍ LFG Power Plant
As the largest landfill gas (LFG) power plant in the world, it collects gases created in the landfill sites and generates electricity.
➎ Landfill Site 3
Landfill Site 3 began burying waste in 2018.
➏ Integrated Weighbridge
To enter the landfill site, garbage trucks first pass through this facility, which automatically classifies and weighs the incoming waste.
➐ Waste-to-Energy Town
Facilities converting waste to resources are clustered in this complex for more efficient management.
SLC Tour Program runs five times daily and year-round (except national holidays) and requires reservation through www.slc.co.kr. Tel: +82-32-560-9411 Tour
Course 1 CenterPR Landfill Site 1
2 Leachate
Treatment Facility
3 Landfill
Site 3
5 Integrated
Weighbridge
6 Waste-to-Energy
7 Town LFG Power Plant
4
Airport Railroad Express,
Geomam Station
We will make our landfill site a model environmental facility of the world.
What comes to your mind first when you think about 'waste'? Probably the word conjures up negative images--things to dispose of or useless stuff. But what if there is a new way to turn waste to resources? The moment you meet us, Sudokwon Landfill Site Management Corporation (SLC), you will experience a 180 degree change in your thoughts about waste.
FROM WASTE TO ENRERGY
SLC is turning waste to energy and converting the landfill site into Dream Park through our longstanding landfill techniques and proven resource recycling technologies. Our LFG power plant, the largest one in the world, collects methane gas created in the landfill site and uses it to generate electricity. The leachate that drains from a landfill is desalinated and reused for watering plants and cooling the power plant. Combustible household wastes are turned into solid refuse fuel and sold to power plants. The biogas from food waste effluent powers buses and warms the greenhouse to grow flowers and trees.
LANDFILL TO DREAM PARK
Our landfill site, presumed to be barren, is becoming green forests through the project of planting 10 million trees. Some of the completed landfills have turned into an eco-friendly golf course, offering healthy pleasure, and others are undergoing change to a park. Sports facilities such as a swimming pool and child/senior care centers are in operation on the finished landfills, and a camping site and a horseback riding facility also began receiving visitors. The Sudokwon Landfill Site is not a wasted area but has revived as a cherished space.
MUTUAL COOPERATION WITH LOCAL RESIDENTS
Through these efforts, SLC would like to give back to the local community and the future generation. That is why we place the highest value on mutual cooperation with the community.
We will always stand along with the local community in order to improve the environment of the landfill site. Furthermore, we will continue to take the lead in creating social values such as establishing child and senior care centers, creating jobs, promoting shared growth, and preventing negligent accidents. We are committed to becoming a trustworthy public institution.
OUR DREAM, TO BE A RESOURCE CIRCULATION EXPERT
Now turning 20 years old, SLC is dedicated to take advantage of our accumulated experience of waste treatment and transform into a resource circulation expert recognized at home and abroad.
To this end, we will put in our efforts to enhance support for other landfills nationwide, help developing countries and overseas landfills, and export landfill technologies.
The Sudokwon Landfill Site is no longer a wasted land and reviving as a recognized
environmental attraction. In this journey, I look forward to your continued attention and support.
Thank you.
CEO's Message
SLC
Established in 2000, SLC is a leading eco-friendly player in waste recycling. We properly dispose of wastes, set up a resource circulation system, and mutually cooperate with the local residents.
Utilizes waste for energy production
Transforms the landfill site into
Dream Park
Communicates with the local
community
Sudokwon Landfill Site Management Corporation
Mission
We use waste to make a better world, a better future for people's wellbeing.
Vision
A leading eco-friendly player of resource circulation for a harmonious relationship between people and nature.
Management Goals
Mutual Prosperity
We realize eco-friendly landfill through mutual cooperation with the local community. We open up a new chapter of waste management by galvanizing the local economy and securing sustainable growth engines of the future.
Integrity Management
We seek a shared growth based on honest and transparent management and fair trade. We will fulfill our social responsibilities and obligations.
Ongoing Innovations
We create new value through technologies turning used-up resources to energy, thereby leading the waste-to-resource business. We expand the narrow concept of landfill into a new idea of thinking waste as resources. We contribute to a sustainable society by using waste for renewable energy.
New Steps Forward
Resource Circulation Society
We will turn the entire amount of recyclable waste among incoming waste into resources by 2021.
From Landfill to Dream Park
We will become a model environmental facility of the world in waste sector and make environmental, cultural, and leisure/sports contributions to the local community.
23
%2017
77
%2021
Waste to Energy, Landfill to Dream Park History 6 7
History
1989 Concluded an agreement on the establishment and operation of the Sudokwon* Landfill Planned and constructed the Sudokwon Landfill as a replacement of the Nanjido Landfill because of its disposal capacity limits
*Sudokwon is the Korean word meaning the Seoul capital area and geographically include Seoul, Incheon, and Gyeonggi.
1991 Establishment the Sudokwon Landfill Operation Management Association
1992 Initiated the operation of Landfill Site 1 Began receiving wastes
2000 Established "Sudokwon Landfill Site Management Corporation"
Ended the use of Landfill Site 1 and began the operation of Landfill Site 2
1989 - 2000
Laying the foundation for national waste disposal
2001 Began receiving wastes during the daytime only
2002 Initiated projects to transform the landfill into Dream Park
- Started the 10-million-tree-planting campaign - Completed the automatic odor monitoring network - Established the Dream Park Scholarship Foundation
2003 Completed the nursery greenhouse
Started producing seedlings by using landfill gases
2004 Held the First Dream Park Chrysanthemum Festival Began growing chrysanthemum flowers using gases generated from landfill sites. The yearly festival has become a local festivity.
2005 Held the Waste Management and Treatment Technology Symposium
2006 Completed a landfill gas (LFG) power plant The world's largest facility of its kind to generate electricity by using landfill gases
2007 Registered the landfill gas power plant to the UNFCCC as a CDM project
Began in earnest to conduct the CDM project in response to climate change
2008 Established a plan for the Metropolitan Eco Energy Town (MEET)
Completed the sewage sludge recycling plant 1
2010 Completed a pilot facility to produce solid fuel by using combustible waste
Established a company-affiliated research center 2011 Completed a facility to produce vehicle fuel
by using biogas
Completed an integrated waste receiving system
2001 - 2005
2006 - 2011
Clean energy generation through resource circulation
Established "Sudokwon Landfill Site Management Corporation"
Held the First Dream Park Chrysanthemum Festival
2012 Built the Waste-to-Energy Town
Completed the sewage sludge recycling facility 2 Opened the Human Resource Development Program in the Graduate School of Environmental Energy Opened the Dream Park Citizen Culture Class 2013 Completed the treatment facility to produce
biogas by using food waste effluent Opened Dream Park CC
Built an eco-friendly 36-hole golf course without forest degradation
2014 Hosted the Incheon Asian Games SLC hosted golf, water polo, equestrian, and modern pentathlon
2018 Ended the use of Landfill Site 2 and began the operation of Landfill Site 3
Opened the Dream Park swimming pool 50 m international standard swimming pool (Swimming competitions were held during the Incheon Asian Games)
2012 - 2018
Environmental attraction recognized for sustainability and resources circulation
Building the base for coexistence with residents and Dream Park
Opened Dream Park CC
Landfill Site 3
Began receiving wastes
Landfill Gas Power Plant
Nursery Greenhouse
Dream Park swimming pool Completed the sewage sludge
recycling plant 1
Completed an integrated waste receiving system
Waste to Energy, Landfill to Dream Park Information 8 9
Information
Numbers tell a story about SLC
Resource Circulation Society Dream Park Development
SLC has been working with residents for planting 10 million trees with having 5.3 million trees planted so far in the landfill site.
The number of patents acquired is 98 (70 domestic patents, 16 overseas patents, and 12 in new and green technologies).
SLC has been awarded at the Korea Invention Patent Exhibition for four years in a row, leading the development of resource circulation technologies.
The total number of visitors, Koreans and foreigners, to the Sudokwon Landfill Site through various programs such as site tour, training, using sports facilities, and festivals is 9.6 million.
SLC's environmental and safety management system has been sophisticated, leading to zero accidents for 8 consecutive years.
Produced Solid Refuse Fuel Tree Planting Project
Acquired Intellectual Property Rights Number of Visitors Number of Negligent and/or Environmental Accidents
330,000 tons 10,000,000 trees
98 cases 9,600,000 visitors 0 case
Supplied Waste-Generated Power Job Creation
100,000 households 423,000 jobs
The LFG power plant has generated the total amount of 3.56 billion kWh of electricity so far, which can power about 100,000 households or the entire families in Songdo. Each year approximately KRW 35 billion or USD 31 million is created in electricity sales revenue.
KRW 10 billion (or USD 8.9 million) in sales.
The total amount of UN CERs awarded to SLC for using landfill gases as fuel to a power plant is equivalent to 8.17 million tons of CO
2--the same amount of greenhouse gases a year emitted by about 350 cars.
Received Carbon Emission Reductions (CERs)
8,170,000 tons of CO2
Providing stable jobs for local
residents
Improving the environment through clean
landfill
Promoting cultural activities in the
community
the same amount of greenhouse gases a year emitted by about
350 cars
CO2
Safety Management Zero accident for 8 consecutive years
Livable and Safe Living Conditions
The total amount of solid refuse fuels
(SRF) produced through the sludge recovery facility until 2017 was 330,000 tons, and the generated SRFs were sold as subsidiary fuels to thermal power stations, creating KRW 10 billion (or USD 8.9 million) in sales.
16 overseas
patents 12 in new and green technologies 70 domestic
patents
SLC projects such as Dream Park development and hosting Autumn festivals have resulted in 420,000 million new jobs in the surrounding area.
Environmental Improvement Livable and pleasant
environment
Mutual Cooperation Local cooperation for environmental improvement through residents
monitoring, etc.
Waste to Energy, Landfill to Dream Park Information 10 11
Information
Waste Disposal
Local Community Contribution
Resource Recovery
Technological Innovation
Environmental Improvement
Business Areas
Since its foundation in 2000, SLC has realized its dream of resource circulation.
SLC disposes of wastes, utilizes them as resources, and builds a more livable community.
Waste Disposal Process in Sudokwon Landfill Site
Waste
Generation Incoming
Waste
Landfill Site
Landfill Gas Power Plant
2.4MW Power Plant
(supplying electricity to the leachate treatment
facility) 1.9MW
Power Plant Leachate
(by-product) Landfill Gas
P
14
P19
P
12
Household Waste
Construction Waste
Ordinary Industrial Waste
Discharging Facilities Seoul
Incheon Gyeonggi
Integrated Weighbridge
Thermal Power Plant, Industrial Heat Supply Facility
(Solid Fuel) Combustible
Waste Solid Fuelization
Food Waste Effluent-to-Biogas Facility
Biogas Heat Supply
Leachate Treatment Facility
P16
Biogas for Vehicle
Fuel
CNG Bus Filling Station
Sewage Sludge
Production of Cover Materials
Food Waste Effluent
Solidification Facility
Sludge Recycling Facility Phase 1
Sludge Recycling Facility Phase 2 Waste-to-Energy Town
P18 Household/
Construction Wastes Cutting-edge receiving system for waste inspection and
management
Quick sanitary landfill system
Stable treatment of leachate generated from the landfill site Receiving and
Management System Eco-friendly Sanitary Landfill
Perfect Leachate Treatment
Establishing the Eco & Energy Town and expanding the energy production base
LFG power generation and CDM projects for CERs From Waste to
Resources
Landfill Gas Recycling CDM Projects
Technological research on waste-to-resource/energy, waste inspection and analysis, technological cooperation and environmental experts training, patent application for new technologies
Establishing a cross-country cooperative network, helping developing countries to set up waste disposal plans and improvement measures, supporting developing countries to establish, operate, and manage environmental facilities Resource Circulation
Technology Research Overseas Business
Creating sustainable and eco-friendly landfill sites through advanced environment and safety management such as integrated air quality monitoring
Environmental Management
Improving local environment, conducting cultural and sports projects, and fostering local talents
Dream Park as an environmental and cultural theme park
Going Together,
Sudokwon Landfill Site
Dream Park Project
Waste to Resources, Landfill to Dream Park Receiving and Management System 12 13
Advanced System for
Incoming Waste Inspection and Management
Integrated Waste Receiving System identifies the types, origins, and amount of incoming waste in real time. The systemic receiving inspection scheme prevents illegal waste from coming to the landfill site.
Incoming Exit
Spreading, tramping and compacting, soil covering
Unloading and landfilling Tracking devices on every vehicle and the landfill-wide Wi- Fi network can locate the waste trucks from entry to exit and comprehensively manage them.
Landfill Site
Waste sampling for inspection and analysis
Car Wash Entering Weighbridge Auto estimation of
incoming waste Entering Weighbridge
Auto vehicle recognition & gross weighing Household waste
Construction waste Discharging facility
waste
Receiving and Management System
- General examination - Detailed examination Random selection of incoming trucks for detailed examination (penalty and shutout for illegal waste)
Integrated Weighbridge
Operation of Integrated Receiving Inspection and Management System
■
Integrated management of the entire landfill site
■
Self-operated Wi-Fi covering the entire landfill site
■
Cutting-edge IT-based integrated weighbridge
■
Mobile-based waste unloading management
Incoming Waste by TypeHousehold waste 648,874tons Construction waste 1,239,289 tons Discharging facility waste 1,795,719 tons
Household waste 17%
Discharging facility waste 49%
Construction waste
34%
Incoming Waste by Area
Seoul 1,686,000 tons Gyeonggi 680,032 tons Incheon 1,325,850 tons
Average daily intake of
waste tons 15,610tons
Average daily intake of
waste tons 15,610tons Seoul
46%
Gyeonggi 36%
Incheon 18%
Wastes come from 64 districts of Seoul, Gyeonggi and Incheon (as of 2018).
Joint inspection by local resident guards
and SLC staff
Waste to Resources, Landfill to Dream Park Eco-friendly Sanitary Landfill 14 15 Gas Capturing
Landfill gas generated from waste decomposition is captured and transported to power plants, enabling both power generation and odor prevention.
Sanitation Control Disinfectant and deodorizer are sprayed all the time while burying waste along with insecticidal smoke disinfection, road deodorization, and sprinkling water, etc.
Leachate Blocking and Collection
Landfill bottom liners prevent underground water contamination and collect and treat leachate.
Landfilling and Covering Soil covers the area on a daily basis within 5 hours after landfilling to prevent waste fluttering, harmful insect habitation, odor generation, rainwater penetration, etc.
Separate Landfill?
Separate landfilling has been applied to Landfill Site 3 for the first time in Korea. This advanced method separates landfill sites into two, one for household wastes and the other for construction wastes. It allows flexible handling of wastes according to their characteristics and amount and minimizes the emissions of odor sources such as hydrogen sulfide, thereby improving air quality.
Differences Between Unsanitary Landfill & Sanitary Landfill
Infrastructure Leachate Soil Covering Gas
Unsanitary Landfill None (groundwater contamination)
Untreated (surface water contamination)
Not performed
(harmful insects, fire) Untreated (odor)
Sanitary Landfill Clay liner Biological +
Chemical treatment Performed
(daily, interim) Collected and treated
Sanitary Landfill for Pleasant Environment
Eco-friendly Sanitary Landfill
SLC operates the landfill site in a sustainable and eco-friendly manner through systematic and sanitary environmental management based on our advanced sanitary landfill system and disinfection/deodorization process.
Eco-friendly Sanitary Landfill System
Landfill Site Cross Section
40m height (8 layers) Leachate
collection wells Landfill gas
capturing facility LFG power plant
Work area (landfill
site)
Leachate treatment facility
Leachate pipe conduit
Leachate cut-off layer Leachate collecting
pipes
Leachate collection
Boundary slopes Leachate impermeable layer (solidified layer)
External Spraying water and bank
deodorizer
Waste Landfill gas
capturing pipes
What is soil covering?
Unloaded waste is compacted to 4.5 m thick, and then 0.2 m cover soil is placed on top of it on a daily basis. Additional 0.5 m thick interim cover soil is laid to prevent environmental contamination.
Interim cover 0.5m
Daily cover 0.2m Waste Waste
Underground water monitoring
wells
Landfill Process
Integrated
Weighbridge Landfill
Site
Waste Unloading
Sanitary Landfill
(spreading, tramping, soil
covering)
Waste Landfill
Waste to Resources, Landfill to Dream Park 16 17
Perfect Leachate Treatment
SLC's stable leachate treatment is a leading global standard for water treatment technologies, and the treated water is reused for process water, contributing to the protection of water resources.
Leachate Treatment
Leachate Treatment Leachate Treatment Facility
Leading Global Leachate Treatment Technology
SLC has facilities with the leachate treatment capacity of 6,700 tons per day. Constant process improvements and research
& experiments have enabled the treatment results to be lower than the 1/3 level of the legal permits, continuously improving the quality of discharging leachate. And we have been working for food waste effluent treatment and energy development (e.g.
power generation with biogas from food waste effluent).
■Distributed Control System (DCS) for stable operation of leachate treatment facilities
■Integrated treatment of food waste effluent ■ Biogas project ■ Treated water reuse
Non-discharge Phase 1
Non-discharge Phase 2
(Side-stream) Bioreactor landfill
(Landfill Site 2)
Desalination facility (Reverse osmosis facility)
Reuse (gardening, cleaning) Low salt content wastewater
(recycling facility wastewater and domestic sewage)
High salt content wastewater (leachate, foodwaste effluent digestion treatment
water, deodorizing wastewater)
Leachate Treatment Facility
Biologically treating water
(low salt)
Biologically treating water
(high salt)
Chemical coagulation
Chemical coagulation
What is Non-Discharge?
A non-discharge system prevents contamination of the surrounding environment by entirely recycling leachate, and food waste effluent, etc. coming from the landfill site for power plant cooling water, landscape gardening, and other general purposes.
What is leachate?
Leachate is the liquid that has filtered through the layers of waste deposited in the landfill.
It has higher pollutant concentrations than typical sewage water.
Biogas Power Generation
Methane generated through the anaerobic digestion process is refined and supplied to fuel the 2.4MW power plant and automobiles. It is a resource recycling system.
Leachate Treatment Process Leachate Transport Process
Leachate Collection Pumps
Leachate Pipe Conduit
Intermediate Pump Station
Leachate Treatment
Facility
Section CODcr BOD T-N NH4+-N Food waste
effluent 187,806 103,318 2,354 414 Landfill
Site 1 801 54 1,246 1,163
Landfill
Site 2 2,015 238 1,884 1,744
Digestion treatment
water 23,726 8,479 3,548 2,687
668 22 139 8
Final treated
water 158 7 124 8
Leachate discharge
permits 800 70 -- 100
Water quality in each stage (2017, mg/L)
Denitrification/
nitrification tank treatment
water
Input WaterTreated Water
Mixture Control Tank Process to mix food waste effluent with landfill leachate and make the water quality homogeneous
Chemical Coagulation Tank 1st process to chemically treat the non-biodegradable pollutants not decomposed in the previous processes
Oxidation Coagulation Tank 2nd step of chemical process to remove remaining COD and chromaticity
Denitrification/
nitrification tank Process to remove nitrogen in landfill leachate and food waste effluent using microorganisms
Final Treated Water
(reuse for power plant cooling, landscape gardening, cleaning, etc.)
Anaerobic Digestion Tank Process to decompose high- concentration organic matters of food waste effluent
Chemical Treatment
Process Biological Treatment
Process
Water Quality
Leachate + Food waste effluent
Denitrification/
nitrification process water
Chemically processed
water
Final treated water
Input of Food Waste Effluent + Leachate
Waste to Resources, Landfill to Dream Park 18 19
Waste-to-Energy
Waste-to-Energy Waste
input
Waste bag- breaking and fragmentation
Magnetic power/wind power/optical screening
Storing combustible
waste
Drying/
shaping SRF
Particle selection
(trommel screening)
Resource-circulating Waste Disposal System
Waste-to-Energy Town
Landfill Gas Power Plant
The landfill gas power plant in the Sudokwon Landfill Site is the largest one in the world in terms of the amount of generated power and captured landfill gas. The eco-friendly power station is fueled with methane--the culprit of global warming-- representing 50%
of the landfill gas, to generate electricity. The UNFCCC recognizes this project as a Clean Development Mechanism (CDM) for its successful greenhouse gas reductions through fossil fuel substitution and landfill gas combustion. It enabled SLC to receive carbon credits, thereby actively joining global response to global warming.
Combustible Waste-to-Solid Refuse Fuel (SRF)
Pre-processing combustible waste among incoming household wastes and converting it to solid refuse fuels for renewable energy.
■ Pilot facility capacity : Pre-processing facility capable of handling 200 tons/day (Based on the pilot facility installation/operation knowhow, a main facility capable of processing 600 tons/day is to be installed.)
■ Processing method : Firstly pre-processing of fragmentation and classification, then converting combustible wastes to SRFs
■ Use : Thermal power stations, cogeneration plants (district heating), industrial boilers, etc.
■ Process
Renewable Energy
(Power Generation) Carbon Emissions
Reduction Credits Power Sales Revenue
CDM Project through LFG-to-Energy Korea's first UNFCCC CDM project
for utilizing landfill gas
100,000
households per yearApprox.
800,000
tons of CO2 per year
Approx.
KRW
35
billion per yearApprox.
350
million kWh per yearApprox.
Approx. 100,000 households (based on four-member
household(330kw))
Import substituting effect for approx. 400,000
barrels of crude oil
LFG Power Generation Electricity transmission Landfill Gas Capturing
and Transport
•Using high-pressure blowers
•Approx. 308km-long gas transport pipelines Landfill
•Vertical gas capturing pipes
•Using vacuum pressure, gas leakage/emission prevention
Waste Becomes Resources
Korea, a country lacking in resources, now generates energy from waste.
SLC's Waste-to-Energy Town reuses wastes as resources and energy,
creating sustainable future values.
Waste to Resources, Landfill to Dream Park Waste-to-Energy 20 21
Food Waste Effluent-to-Biogas
Using effluent generated during the process of food waste treatment and converting it to biogas through anaerobic digestion. Approximately 35,374m³/day (as of 2017) is produced to fuel the sewage sludge recycling facility 2.
■ Facility Capacity : 500 tons/day
■ Biogas generation through anaerobic digestion
■ Process Food waste effluent input
Drum screening (removal of foreign
matters)
Biogas pre-processing (desulfurization and
dehumidification)
Biogas generation
(fuel) Anaerobic digestion
(acid fermentation, methane fermentation, stabilization)
Construction Waste-to-Resources (planned)
Screening and selecting incoming construction waste and intermediate processing residues.
Using them to produce SRF, bio-SRF, circulating aggregates, etc. with the leftovers being buried.
■ Facility Capacity : 4,000 tons/day
■ Use : Power plants and industrial boilers (SRF), landfill cover materials and subbase layers (circulating aggregates including sand and aggregate)
■ Process
Waste input Fragmentation
Particle selection (trommel screening)
Gravity
separation Fragmentation Solid fuel Circulating aggregates
Dream Park CNG Filling Station
The Dream Park CNG filling station supplies buses and cleaning trucks with mixed fuel of biogas and natural gas, helping to improve air quality and creating pleasant living conditions.
■ Facility Capacity : About 400 buses/day
■ Use : Buses (local and hired ones), cleaning trucks, etc.
■ Process
Liquefied Natural Gas(85%)
Compressor Storage tank Filling device Vehicles Biogas(15%)
Waste-to-Energy
Food Waste Effluent-to-Biogas Dream Park CNG Filling Station
Biogas Filling Facility
Supplying CNG vehicles with refined biogas (methane concentration increase from 60%
to 95%) generated from the process of treating food waste effluent and leachate, helping reduce GHGs and improve air quality.
■ Facility Capacity : 10㎥/minute (producing 6㎥ of refined biogas per minute)
■ Use : Mixed fuel (15% biogas + 85% natural gas) at the Dream Park CNG filling station
■ Process Anaerobic
digestion facility
processingPre- (desulfurization,
dehydration)
Refining
(removal of CO2) Mixing with natural gas
Supplying to the CNG filling station
Fueling CNG vehicles
Biogas Filling Facility
Sewage Sludge-to-Resource (Phase 1 and 2 )
Establishing treatment facilities for stable treatment of sewage sludge and converting sludge to resources for landfill cover materials and dried fuels.
Sludge Recycling Facility Phase 1 Solidifying and curing sewage sludge to be used as waste cover materials for the Sudokwon Landfill Site
Facility Capacity: Sludge 800 tons/day
Sludge recycling Facility Phase 2 Drying sewage sludge and producing fuels to be
used as auxiliary fuel for power stations Facility Capacity: processing 1,000 tons of sludge/day
Phase 2
■ Process
Phase 1
Sewage sludge input Mixing
(sludge+solidifying agents)
Curing (water content 50% or less)
Solid materials (to be used as cover materials)
Sewage sludge input Hot air drying
(rotary kiln, direct heating) Dried sludge cooling Solid fuel
(auxiliary fuel for thermal power stations)
Sludge Recycling Facility Phase 1
Sludge Recycling Facility Phase 2
Phase 3 (planned)
Drying sewage sludge and using it to produce solid fuel to be used as auxiliary fuel for a power station. Heat for drying is sourced from landfill gas or digestion gas, reducing fuel cost.
■ Facility Capacity : 768 tons of sludge/day
■ Process
Sewage sludge input Hot air drying
(rotary kiln, direct heating) Dried sludge cooling Solid fuel
(auxiliary fuel for thermal power stations)
Sewage Recycling Facility Phase 3
Waste to Resources, Landfill to Dream Park 22 23
■ Technological support for waste treatment facilities With its technological capabilities and over 20 year experience of operating the landfill site, SLC has provided technological assistance for the stable installation/operation of landfill facilities.
Research on Resource Circulation Technology
Research on Resource Circulation Technology Empirical research on bio reactors
Research on sophisticating technology about landfill operation & management
■
Research on creating clean landfill through eco-friendly management of landfill gas
■
Empirical research on bio reactors, Research on sophisticating technologies about landfill operation & management such as development of final cover systems
- The outcomes of empirical studies are applied to establish the institutional base for a 'leachate non-discharge system' and advance the main project. Accumulated technology knowhow is shared overseas
LFG field monitoring Development of waste-to-fuel technologies Development of final cover systems
Awarded at the Korea Invention Patent Exhibition for four consecutive years from 2014 to 2017
Expanding technological exchanges in the resource circulation field
■ Dream Park Resource Circulation Forum The Dream Park Resource Circulation Forum has been held every year since 2004, spreading and sharing SLC's research achievements and technologies
and contributing the waste-related technological development.
Dream Park Resource Circulation Forum
[unit: case]
Technological Assistance (205 cases in total)
21 13 19 25 26 28
38
2005~2010 2011 2012 2013 2014 2015 2016 2017 year
35
Domestic patents
Overseas patents
Others (new and/
or green technologies)
Domestic and Foreign Intellectual Property Registration (98 cases in total)
Independent research Research
project
Joint research 67 39
120
Research Project (226 projects in total)
70
16 12
Waste Specialized Technology Creates New Value
SLC's Resource Circulation Technology Research Center, a leading institute in environment and energy technology, carries out specialized research on various fields such as landfill technology, energy resources, test & analysis, etc.
Research on commercialization of waste recycling technologies
■
Development of commercial technologies to convert waste to fuel and/or energy
■
Research on performance enhancement and technology development of SLC waste recycling facilities
- Collaboration with specialized research institutions and execution of national research tasks have been conducted in the demonstration research complex, which resulted in development and deployment, at home and abroad, of commercial technologies about waste recycling.
Status enhancement as a specialized institution on waste
■ Resource circulation research and technology development SLC utilizes its experience of operating the world's largest landfill to conduct systematic research on resource circulation, including waste disposal and recycling, thereby taking the lead in creating a resource circulation society.
Waste to Resources, Landfill to Dream Park 24 25
Developing Global Environment Industry Market, Leading Global Responses Under New Climate Framework
Australia Indonesia
Uzbekistan Russia
Pakistan
Tanzania Sudan
Philippines Cambodia
Angola
Mozambique
Sri Lanka
China
Vietnam
South Africa
Peru Columbia Hawaii
Every year 4,000 or more overseas government officials, and organizational/environmental key figures visit the Sudokwon Landfill Site to learn its advanced technologies.
MOU execution
Master plan/feasibility study Facility construction/operation plan
We Share Our Environmental Technologies With The World
Overseas Business
Climate change projects
■ Developing overseas business to achieve national GHG reduction targets
■ Securing sales revenues and carbon credits through the LFG power generation projects
- Efforts for developing new overseas businesses such as the project of LFG power generation in the Nam Son landfill site of Vietnam
■ Realizing "low-carbon business administration" by reducing GHG and securing carbon credits, and creating a virtuous cycle by establishing the Green-Cycle System
※ Green-Cycle System means SLC's low carbon business management system, where revenues from carbon credit trading are re-invested as resources for new GHG reduction projects, thereby creating additional reduction effects.
Enhancing cooperation network among relevant institutions at home and abroad
■ Building overseas cooperation networks through master plan establishment and feasibility study implementation (31 cases) in Asia, Africa, Eastern Europe, Americas, etc. Actively supporting the advancement of Korean businesses into overseas environmental industries and creating public good values
Developing new overseas projects through business diversification
■ Developing joint projects with multilateral development banks (WB, ADB, EXIM, etc.)
- Participating in GCF project development in Ulaanbaatar of Mongolia
■ Actively participating in international biddings and grant/loan- based aid projects
- Building an integrated waste management system of the Dompe Landfill Site in Sri Lanka, Establishing Nepal's master plan for environmental improvement
Sharing SLC's advanced technologies and operation knowhow
■ Cooperating with relevant overseas institutions, e.g. national environment ministries, to set up a master plan for national waste management or jointly implement feasibility studies, thereby contributing to global environmental improvement
■ Installing waste management and recycling facilities abroad, promoting projects for their operation & management, and providing technical support
- Consulting for Mozambique's Waste Treatment Facility Construction Project
■ Training overseas public officials
- Sharing with public officials from developing countries e.g. China, Indonesia, Sri Lanka, etc. waste recycling technologies and landfill operation knowhow
Korea has been pariticularly successful in managing its large landfill sites and converting them gradually into eco-industrial leisure complexes. A prominent example and model case is the Sudokwon Landfill in Incheon, whose management model and know-how have been exported to other countries. Today, the Sudokwon site features, beside its remaining landfills, a range of activities, including an eco-energy town, natural areas, sports fields, a golf course and flower gardens, and is a venue for cultural and sporting events.
- OECD Environmental Performance Review Korea (2007, 2017)
SLC has spread Korean environmental technologies across the world by sharing with developing countries its knowhow to operate the landfill site in a environmentally friendly manner and providing them with educational programs.
Consulting for Mozambique’s Waste Treatment Facility Construction Project
■ Project title: Consulting service for the construction
of waste treatment facility (sanitary landfill site) in the cities of Maputo and Matola
■ Requested by: FUNAB of Mozambique (under the Ministry of Environment)
■ Educational training program for Mozambique
environmental officials/landfill site working-level staff and operational assistance Dompe Landfill Site, Sri Lanka
Integrated Waste Management System Building Project
■ KOICA ODA project
＊ODA (Overseas Development Assistance)
■ Conducted the role of construction PM.
Sent experts in landfill site construction supervision and operation.
■ Invited Sri Lanka environmental government officials to training program
Technical Advice for Masterplan and Feasibility Study of Waste Management System in Two Cities of Indonesia.
■ KOICA ODA project
■ Feasibility study and technical consulting (PMC) to establish the master plan
Overseas Business
Waste to Resources, Landfill to Dream Park Environment Management 26 27
Environment Management
Integrated Air Monitoring System
By detecting odor and fine dusts from the landfill site in real time, the air monitoring system identifies origins of odor generation and odor moving routes so that prompt responses can be taken before proliferating the environmental problem.
Installed at the outlets of odor-generating facilities and key spots inside and outside of the landfill site, odor monitoring senses are in operation 24 hours every day.
Resident Environment Monitoring
Selected resident supporters living the surrounding areas monitor the environment of everyday lives and share the monitoring results in real time.
Assessment areas Assessment
period Assessment spots and items surface and underground water quality,
underwater inspection wells, treated leachate water, ocean water quality, marine
sediments, air quality, landfill gases, soil, terrestrial and marine ecosystems
monthly, quarterly, yearly
127 spots and 189 items
Sudokwon Landfill Site Post-project Environmental Impact Assessment (EIA)
Since the construction of the landfill site, the assessments of the surrounding environment have been conducted, identifying environment impacts in advance and suggesting ways to minimize the damage.
Assessment areas and spots Confirmed its status as
a specialized institution for post-project EIA management
Good Results of Integrated Monitoring
More sophisticated odor management system minimized odor complaints
At landfill boundaries, composite odor levels are kept below the permit.
* The level of hydrogen sulfide is kept under 0.005 ppm or 1/4 of the permitted level.
Number of odor complaints 40
30 20 10 0
21
12 0~1
2012 2013 2014~2017 2018
0
Confirmed its status as a specialized institution for post-project EIA management
Clean Landfill Site In Metropolitan Area
Advanced environmental and safety management creates a clean landfill site in harmony with nature.
Odor Monitoring
Fine Dust Monitoring Odor Modeling
Outlet Monitoring
Twenty-two sensor stations installed inside and outside the landfill detect
hydrogen sulfide, ammonia, VOCs, etc., identifying odor status and analyzing connections.
Fine dust measuring instruments are installed at 8 spots in 4 landfill boundary places to reduce fugitive dust in surrounding areas, monitoring
fine-dust levels within the landfill site and reinforcing their control.
Odor modeling is performed to anticipate real-time odor distribution, analyze or trace
back causes of odor.
Odor-emitting 7 outlets have 11 odor-detection sensor stations, monitoring the air quality surrounding outlets.
Waste to Resources, Landfill to Dream Park 28 29 Dream Park Autumn Festival
Dream Park festival is held every autumn, presenting Korea’s largest cosmos field and beautiful chrysanthemum gardens.
Visitors can enjoy autumn flowers and learn the resource recycling.
Forestation projects of planting 10 million trees With the vision of becoming one of the world's largest environmental attraction sites, SLC has been carrying out the 10-milion tree planting project. Until now, almost 5.3 million trees were planted. This green forestation project will be continued in the future as well.
Nursery Greenhouse
The greenhouse is warmed by using biogas coming from food waste effluent. And local residents grow flowers and trees in the greenhouse, which are later planted across Dream Park.
Dream Park CC
A golf course was built on the landfill buried with 65 million tons of waste for about 9 years (1992~2000) as part of its follow-up measures and for the local residents. The 36-hole golf course did not damage forests. Rather, it is an eco- friendly place established above the closed landfill site. It hosted the 2014 Incheon AG Golf Games, the 2016 KLPGA and 2017 KPGA Games, and the 2018 PGA Tour Qualifying Tournament.
Green Bio Complex
It is an ecology park with the images of harmony between human and nature. The complex consists of a wild flower garden, a botanical center, a wetland ecology park, etc.
Autumn festivals take place in the complex.
Dream Park Sports Center
Dream Park Sports Center was built for the 2014 Incheon AG swimming and water polo competitions as well as for the purpose of promoting the local economy and daily sports.
Equipped with a 50m international standard swimming pool and bleachers, rooms for culture class, etc. it has been operated as a public sports facility since August 2018.
Dream Park Project Green Bio Complex
Environmental & Cultural Theme Park, Dream Park
Dream Park is an eco-friendly project to restore the nature of the completed landfill site and create an environmental theme park while maintaining the functions of landfill facilities as much as possible. The park will be not only a good resting place for local residents and citizens in the metropolitan area but also a good environmental attraction for global visitors.
Dream Park Project
Dream Park as an environmental and cultural theme park
Taking the geographical advantage of the landfill site based at the gateway to the
world, SLC has promoted the Sudokwon Landfill Site as a global environmental
attraction with the themes of environment, leisure, and sports.
Waste to Resources, Landfill to Dream Park
Going Together, Sudokwon Landfill Site
31 30 Youth Soccer & Baseball Class and Sports Facilities
Youth Soccer & Baseball Class Programs, pursuant to the agreements with DV7 Korea and Incheon Seogu Little Baseball Team, are in operation for elementary schools students near the landfill site. The programs contribute to developing talented young athletes in baseball and soccer and promoting daily sports.
Residents’ Welfare Complex
The Residents’ Welfare Complex was established with the resident support fund. The facility is composed of a senior care facility and infant care facility to ensure good recuperation, childcare, and cultural enjoyments.
Mutual Cooperation with Local Residents
SLC holds quarterly town hall meetings by rotating districts to listen to what local residents have to say about the Sudokwon Landfill Site. In addition, we provide a platform for communication and unity by inviting residents to special events, offering volunteer assistance during busy farming season, hosting sports events, etc.
Youth Golfer Support
SLC opens the golf course free of charge to students of nearby elementary/middle/high schools and amateur golfers to support future golf experts in Incheon. The organization has also provided assistance for the National Sports Festival and the Incheon AG as a way to fulfill its social responsibility.
Dream Park Cultural Classes for Citizens
The program was established in 2012 to improve the cultural life of local citizens. Until now, around 30,000 people have taken various classes, including calligraphy, yoga, western embroidery.
Residents’ Sports Park
SLC opens its soccer field, basketball court, tennis court, etc. to residents.
Resident Support Project
SLC puts in 10% tipping fees to support residents
Camping Site
The largest eco-friendly camping site in the capital region will be constructed to provide a space for leisure activities.
Going Together, Sudokwon Landfill Site Dream Park Cultural Classes for Citizens
Camping Site
Improving local environment, conducting cultural and sports projects, and fostering local talents
For local economy stimulation and talent cultivation, SLC carries out diverse
environmental/cultural/sports projects and leads the efforts to improve local
resident's quality of life.
