A STUDY OF CONTROLLED RECIRCULATION OF ANAEROBIC ACTIVATED-SLUDGE DIGESTION REACTORS

NCUIR > Engineering College > Graduate Institute of Civil Engineering > journal & Dissertation > Item 987654321/26350

Please use this identifier to cite or link to this item: https://ir.lib.ncu.edu.tw/handle/987654321/26350

Title:	A STUDY OF CONTROLLED RECIRCULATION OF ANAEROBIC ACTIVATED-SLUDGE DIGESTION REACTORS
Authors:	OUYANG,CF;LIN,HY
Keywords:	N/A
Date:	1992
Issue Date:	2010-06-29 17:11:23 (UTC+8)
Publisher:	中央大學
Abstract:	A bench scale anaerobic activated sludge digestion (AASD) process was developed to study the effect of biomass recycling at different amounts of digested sludge recirculation and various solids concentrations in feed sludge. It was selected to observe how the anaerobic digestion can be improved and stabilized by using municipal wastewater sludge. The mathematical model of AASD process was developed. The positive effect of biomass recycling on the sludge concentration depends on the settling rate of the sludge. The performance parameters such as SRT, methane yield and DHA of the reactor with R=0.5 were found best among those of the other recycle ratio reactors. With the reactor with sludge loading of 1.1 kg TVS/m3 day, SRT/HRT = 1.493 can be obtained.
Relation:	WATER SCIENCE AND TECHNOLOGY
Appears in Collections:	[Graduate Institute of Civil Engineering] journal & Dissertation

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