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 Technoljournal_title
Bioresource technologyauthors
Lin YF,Jing SR,Lee DYdoi
10.1016/s0960-8524(00)00098-5subject
Has Abstractpub_date
2001-01-01 00:00:00pages
161-3issue
2eissn
0960-8524issn
1873-2976pii
S0960-8524(00)00098-5journal_volume
76pub_type
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