APPENDIX C: GRAPHS

1600

1800

1800 1600

1600

1600 1400

1400

1400 1200

1200

1200 1000

1000 1000

8edVolume

-+-Q,JrTlJlative As Leached (ug)

800

8edVolume Bed Volume

800 800

600

600 600

-+-CulTlllative As Leached

400

400 400

---r---.--,~---t---'-.-.,---.--.,--- ..--___r---, _

-nttialAs (U9)

200 200

3500 3000

5

o o

_ 2500

C>

-;;2000~

<

'0 1500

:il

~^1000.

40 35 _ 30

i

²⁵

d-

E ²⁰

8

c ¹⁵

~ 10

100 90

'C' 80

5

.s

⁷⁰

•• 60

2

~ 50

~ 40 ii:

-'" 30

~ 20 10

o o

Figure 1: Cumulative arsenic leached as a function of bed volume of fluid passed through the column (Column ID: C-l, Fluid: Distilled Water)

Figure 2: Initial arsenic and Cumulative arseuic leached as a function of bed volume of fluid passed through the column (Column ID: C-l, Fluid:

Distilled Water).

Figure 3: Daily flow rate as a function of bed volume of fluid passed through the column (Column ID: C-l, Fluid: Distilled Water).

Bed Volume

1800

1800

1800 1600

1600 1400 1600

1400

1400 1200

1200

1200

-+-Daily Row Rate(rrllhr)

1000

1000 800

800

800 1000 Bed Volume 600

600

600 400

Bed Volume

400

400

-- Currulative Row Rate

200

200

200

139

100r--- __

-;:- 90

5 80

.5.

⁷⁰

m

~ 60

~ 50

ii: ~-- ••..••...•••••..•---- ••..•. •....•••••..•••••__ -_- •....••

.~ 40 ,...•..

1U 30

;;

E 20

~

" 10

o +---o---~----~--~--~---~--~---__J

o

-;:- 100

"

'"

⁹⁰

.5. 80

~ 70

~ ₆₀

0

ii: 50

.,

~ 40

.!!!~ ₃₀

E~

"

20 2:- 10

"

.•

₀

0

0

160 140 120

i

¹⁰⁰

.e:

u 80

"

0

"

^{0 60}

«

40 20 0 0

Figure 4: Cumulative flow rate as a function of bed volume of fluid passed through the column (Column In: C-l, Fluid: Distilled Water).

Figure 5: Cumulative and Daily flow rate as a function of bed volume of fluid passed through the column (Column ID: C-l, Fluid: Distilled Water).

Figure 6: Arsenic in column effluent as a function of bed volume of fluid passed through the column (Column In: C-l, Fluid: Distilled Water).

1800

1800 1600

1600

--

1400

1400 1200

.----

1000

___ Daily Row Rate (rrilhr)

800 1000 1200

Bed Volume

800 600

600

p _. gn-

400

-+-As Conc. (ppb)

200

- noiai As (ug) Currulalive As Leached (ug) -.- As Rerreining (ug)

30 20 10

o o

1500

1000

50:k::::

o 200 400

100

g

gO

uo 80

~

"0 70

~

••

~ 60

€:DE ~ 50

--

^{~ 40}

~

ii:~

~

~

3500

Bed Volume

3000 Oi 2500 2-m 2000 '0«

~

:l11

Figure 7: Daily flow rate and Arsenic in column effluent as a function of bed volume of fluid passed through the column (Column ID: C-l, Fluid:

Distilled Water).

Figure 8: Initial arsenic, arsenic leached and arsenic remaining as a function of bed volume of fluid passed through the column (Column ID: C-l, Fluid: Distilled Water).

1800

1800

1800 1600

1600

1600 1400 1400

1400 1200 1200

1200 1000 1000

1000

-+-Q.JITulative As Leached (ug)

Bed Volume

800

Bed Volume

800

,----~--~

Bed Volume

800

~ Currulative As Leaching

600 600

600 400

-Initial As (ug)

400

200 400 5

_ 30

~ 25 E : 20

8

c ¹⁵

"'

« 10

3500 3000 _ 2500

'"

~

;; 2000

«

-

^{0 1500}

"'"'

::;:

••

1000 500

a ^a

-

²⁰⁰

80 70

~ 60

'"

E - 50

~ 40 .2 30~

•••b

~ 20 10

a a

141

40 ,--- ---,

35

Figure 9: Cumulative arsenic leached as a function of bed volume of fluid passed through the column (Column ID: C-2, Fluid: Ground Water).

Figure 10: Initial arsenic and Cumulative arsenic leached as a function of bed volume of fluid passed through the column (Column ID: C-2, Fluid:

Ground Water).

Figure 11: Daily flow rate as a function of bed volume of fluid passed through the column (Column ID: C-2, Fluid: Ground Water).

70

1800

1800

1800 1600

1600

1600 1400

1400

1400 1200

1200

1000 1200 800 1000

BedVolume

800 1000 Bed Volume

Bed Volume 800 600

600

600

---~---~---.---..--- 400

-- Cunulative Row Rate -+-Daily Row Rate (rrllhr)

400 200

200

o o

o o

10

100 -,--- ~ ,

_ 90

~ 80 E - 70 g f}. 60

~ 50

~ 40 ..••.•••.

.

~

..•..

'fa 30

:;E 20 :>

o 10

o+---~--~--~--,---_--,---_-_--____'

o 200 400

80

'"

5 ₇₀ .[

~⁶⁰

'"

^~₀ ⁵⁰

u: ₄₀

.;,

••

1;; 30

:;

E 20

:>

0

-

b 10

8

60 _ 50

..,

Co

.e

40

<.i

<3~30

.::! 20

Figure 12: Cumulative flow rate as a function of bed volume. of fluid passed through the column (Column ID: C-2, Fluid: Ground Water).

Figure 13: Cumulative and Daily flow rate as a function of bed volume of fluid passed through the column (Column ill: C-2, Fluid: Ground Water).

Figure 14: Arsenic in column effluent as a function of bed volume of fluid passed through the column (Column ill: C-2, Fluid: Ground Water).

1800

1800 1600

1600 1400

1400 1200

1200 1000

800 1000

Bed Volume

Bed Volume 800

-- Daily Row Rate(nilhr)

600

600 400

400 200

__ As Cone. (ppb)

-Initial As (ug) ~ QmuJative As Leached (ug) -.- As Rermining (ug)

500

o ..---

o 200

80

143 o

o

3500r--- ,

<i

5 70

o

~ 60

'tl~

•• 50

"'"

'" -

== -g, 40

E c.

i --

³⁰

~ 20

ii:

~ 10

~

'cu~2000

<

e

₁₅₀₀

-

^In_In⁰ ₁₀₀₀

::E

••

Figure 15: Daily flow rate and Arsenic in column effluent as a functiou of bed volume of fluid passed through the column (Column ID: C-2, Fluid:

Ground Water).

Figure 16: Initial arsenic, arsenic leached and arsenic remaining as a function of bed volume of fluid passed through the column (Column ill: C-2, Fluid: Ground Water).

1800

1800

1800 1600

1600

1600 1400

1400

1400 1200 1200

1200 1000 800

800 1000

Bed Volume

800 1000

Bed Volume

--...----"---,--~---,--- ---+-CulTlllative As Leached

600 600

600

-Initial As (ug) -+-Currulative As Leached (ug)

400 400

400 200

200

_ ---._

^{I ,,"}

-_

^{•••••}

- •..•..••.•. """ .. ^, ...•.••...••... ,

•.•.••••.••••...

t'"

^I

5 .' $ II'

O~-a"tS ., •

o 200

40 ,---~--- ,

35 _ 30

If

a

²⁵

.s

<i 20

8

c 15

~ 10

c;

²⁵⁰⁰

2-

~ 2000

'0 1500

'"

~ 1000^500o

i~~:=~~::::::::::::=::~J

o

Bed Volume

3500,--- -,

3000.1---

100 90

"" 80

5 70

.s

~ 60

:s

~ 50

~ 40

u:

.2' 30

.~

c 20 10

o o

Figure 17: Cumulative arsenic leached as a fuuction of bed volume of fluid passed through the column (Column ill:C-3, Fluid: Rain Water).

Figure 18: Initial arsenic and Cumulative arsenic leached as a function of bed volume of fluid passed through the column (Column ID: C-3, Fluid:

Rain Water).

Figure 19: Daily flow rate as a function of bed volume of fluid passed through the column (Column ill:C-3, Fluid: Rain Water).

1800

1800 1600

1600 1400

1400 1200

1200 1000

-+-Daily Row Rate (rrUhr)

Bed Volume

600 800

600 800 1000

Bed Volume

400

400

__ Currulative Row Rate

200

200

Cumulative flow rate as a function of bed volume of fluid passed through the column (Column ID: C-3, Fluid: Rain Water).

'l:'100

S 90

!. ⁸⁰

~ 70

~ 60

••• 50

j

⁴⁰

~ 30

c3 20

-

~ 10

'mc 0

o

145

100 90 80

:c

⁷⁰

.ea. ⁶⁰

g

50

8

⁴⁰

~ 30 20 10

o o

100 90

'l:'..: 80

'"

!. ₇₀

~ ₆₀ 0:~ ₅₀

u:0

••

⁴⁰

~ 30

:;

E 20

"

0 10

0

Figure 20:

Figure 21: Cumulative and Daily flow rate as a function of bed volume of fluid passed through the column (Column ID: C-3, Fluid: Rain Water).

Figure 22: Arsenic in column effluent as a function of bed volume of fluid passed through the column (Column ID: C-3, Fluid: Rain Water).

1800

1800 1600

1600 1400

1400 1200

1200 1000

1000

Bed Volume

800

800 600

600 400

400 200

200

-+-As Conc. (ppb) Daily Flow Rate (nJlhr)

-Innial As (ug) QJrTlJlative As Leached (ug) ~ As Remaining (ug)

o o

90 ,;g 80 u

: 70

-g 60

••

~ -50

"'0[

~.e40

.!

i2. 30 it o 20 ii:

b 10

8

3500,--- ,

Bed Volume

3000F:::::::::====

C;

2500 ';;;2000

~

<

-

^o

1500

I

1000k:~==:=J 500

or- o

Figure 23: Daily flow rate and Arsenic in colnmn effluent as a fnnction of bed volnme of flnid passed through the column (Column ID: C-3, Fluid:

Rain Water).

Figure 24: Initial arsenic, arsenic leached and arsenic remaining as a function of bed volume of fluid passed through the column (Column ID: C-3, Fluid: Rain Water).

147

1800

1800 1600

1600 1400

1400 1200

1200 1000

1000

-+-Currulative As Leached (ug)

Bed Volume 800

Bed Volume

800 600

600

--,---,,---""-!---.,-~--._--.-t---_T--- 400

400

-lnitialAs (ug)

200

200

-.- Colurm Leaching

.-..---...-.---...---

~-~-,~---

--~---~

^...

-

^...~~~~-

5

o

15 10 35 30 25 20

3000.1--- _

3500,--- ,

_ 2500

to~ -; 2000

«

'0 1500

~•• 1000

Figure 25: Cumulative arsenic leached as a function of bed volume of fluid passed through the column (Column ID: C-4, Fluid: Pond Water).

100 90

'i:' 80

S 70

oS

•• 60

~ 50

~ 40

u:

"" 30

8

²⁰

10

o o

Figure 26: Initial arsenic and Cumulative arsenic leached as a function of bed volume of fluid passed through the column (Column ID: C-4, Fluid:

Pond Water).

Figure 27: Daily flow rate as a function of bed volume of fluid passed through the column (Column ID: C-4, Fluid: Pond Water).

Bed Volume

lBOO

1800

1800 1600

1600

1600 1400

1400

1400 1200

1200

1200 1000

1000

1000

-+-Daily Row Rate (rrllhr)

800 BOO

Bed Volume

800 600

600

600

Bed Volume 400

400

400

--- Currulative Row Rate

200 200

200

100,--- ,

"C' 90

~

E

80

;- 70

~ 60

~ 50

~ 40

~

E

²⁰30

f

u~10

o ~--~--~--~--~---~--~--.---~-- o

80 70 60

:c

Co 50

,e,

u 40

0~

u 30

<

••

20 10 0 0

<:' 100

S 90

.e.

^BO

~ 70

~ 60

u: 50

I

⁴⁰

E

³⁰

u~ 20

~ 10

~ a

o

Figure 28: Cumulative flow rate as a function of bed volume of fluid passed through the column (Column In: C-4, Fluid: Pond Water).

Figure 29: Cumulative and Daily flow rate as a function of bed volume of fluid passed through the column (Column ill: C-4, Fluid: Pond Water).

Figure 30: Arsenic in column effluent as a function of bed volume of fluid passed through the column (Column In: C-4, Fluid: Pond Water).

1800

1800 1600 1400

1400 1600 1200

--- Daily Row Rate(niIhr)

800 1000

Bed Volume

800 1000 1200

Bed Volume 600

600 400

400

-+-As Cone.(ppb)

200

200 30

20 10

o o

100

g

90

o

(J 80

~

." 70 c

~ 60

",-

:::: '&. 50

gE;

~ 40

~

ii:~

.,.

8

149

3500 -,--- ---,

3000

~=::::::::::====

_2500

'"

2-

.:£

²⁰⁰⁰

~ 1500 -In~ial As (U9) -- QJfTlJlaliveAs Leached (ug) --.- As Rerraining(ug)