Recycling of wood chips and wheat dregs for sludge processing.

Abstract:

:A Buchner filtration study was conducted to investigate the effect on sludge dewatering of adding organic waste solids (wood chips or wheat dregs) to sludge after chemical preconditioning (with ferric chloride or alum). Increasing the dose of wood chips or wheat dregs enhanced sludge filtration performance and increased the energy content of the filter cake, but did not consistently increase the total filtrate removed. The additional filtrate removal was found to balance the inert solids load only when the chemical preconditioner used did not result in sufficient coagulation of the sludge and the skeleton builder dose was low (< or = 90%). Accordingly, various dose ranges of wood chips and wheat dregs are suggested for different sludge management schemes.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Lin YF,Jing SR,Lee DY

doi

10.1016/s0960-8524(00)00098-5

subject

Has Abstract

pub_date

2001-01-01 00:00:00

pages

161-3

issue

2

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(00)00098-5

journal_volume

76

pub_type

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