The Potential Use of Solid Wastes of Paper Factory as Compost, Mushroom Media, and Soilless Media

Makalah 18

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2 0 6

POTENSI

MEDIA DAN

T H E POTENTIAL USE O F SOLID WASTES

O F PAPER AS COMPOST, MUSHROOM

AND

SOILLESS MEDIA

D i d i e k H. Goenadi, R. Erwiyono, H.

ABSTRACT

PT Kertas Leces, a paper factory using bagasse as r a w

material, faces many problems i n waste management, espe-

c i a l l y those o f huqe volume and v a r i e t y i n wastes.

The s o l i d wastes c o n s i s t o f sludge, lime m u d ,

p i t h , and biosludge. A s e r i e s o f experiments has been

conducted t o determine possible a l t e r n a t i v e s f o r agricul-

t u r e uses o f those wastes based on i t s r e s p e c t i v e proper-

t i e s . The experiments included ( 1 ) composting o f sludge,

biosludge, and pith, ( 2 ) media f o r e d i b l e

and ( 3 ) the use sludge, p i t h , and biosludge

as onents o f constructed s o i l l e s s media.

r e s u l t s showed t h a t sludge,

,

and/or

ludqe i n r e s p e c t i v e or combination w i t c e r t a i n proportion

showed potential as compost r a w m a t e r i a l s . A

simple nique i n composting using c a t t l e dung as decom-

poser and turning over t o provide good aeration has been e s t a b l i s h e d . Good q u a l i t y o f compost r e s u l t e d was con-

firmed b y o f s e e d l i n g s . A mix-

t u r e o f sludge, and mud can be used as media

f o r mushroom, volvacea and P . o s t r e a t u s .

Employing

a

simple composting technique, those mushrooms

grown on t h e constructed media give s u f f i c i e n t l y high

y i e l d . As media, p i t h , biosludge, sludqe

revealed

.

the low n u t r i -

ent need t o be overcome by

c e r t a i n amount o f f e r t i l i z e r . The media provided a

growing environment f o r seedlings o f s e l e c t e d

i n d u s t r i a l f o r e s t r e e s ,

_.

mahagoni, and l e u -

pada Seminar Perkebunan untuk

PAU 10 1991.