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2006•Journal of Shanghai University of Engineering ScienceRequires access

Characteristics of Sludge Degradation in Multi-conditions

Zehua Liu

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Abstract

Disposal of excess sludge is an important aspect in waste water treatment.Sludge degradation was done under anaerobic condition with different aerobic sludge which had been drawn from a fixed-bed bioreactor consisting of porous microbial carriers.The results show that TNNH~+_4N as well as TP could efficiently describe the extent of sludge degradation.Another experiment was done on sludge degradation under aerobic,anaerobic and aerobic-anaerobic conditions.Data show that aerobic-anaerobic condition can get the best results.

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What this paper is about

Disposal of excess sludge is an important aspect in waste water treatment.Sludge degradation was done under anaerobic condition with different aerobic sludge which had been drawn from a fixed-bed bioreactor consisting of porous microbial carriers.The results show that TNNH~+_4N as well as TP could efficiently describe the extent of sludge degradation.Another experiment was done on sludge degradation under aerobic,anaerobic and aerobic-anaerobic conditions.Data show that aerobic-anaerobic condition can get the best results.

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Available abstract

Disposal of excess sludge is an important aspect in waste water treatment.Sludge degradation was done under anaerobic condition with different aerobic sludge which had been drawn from a fixed-bed bioreactor consisting of porous microbial carriers.The results show that TNNH~+_4N as well as TP could efficiently describe the extent of sludge degradation.Another experiment was done on sludge degradation under aerobic,anaerobic and aerobic-anaerobic conditions.Data show that aerobic-anaerobic condition can get the best results.

Key concepts: Anaerobic exercise, Degradation (telecommunications), Bioreactor, Environmental science, Waste management, Pulp and paper industry, Activated sludge, Environmental engineering

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