安徽农业科学Issue(30)：14625-14626,14635,3.
废水厌氧生物处理过程的熵分析
Analysis of Entropy in the Processes of Anaerobic Wastewater Treatment
刘前 1戴友鹏 1牟晓芳1
作者信息
- 1. 金华市环境科学研究院,浙江金华321017
- 折叠
摘要
Abstract
[ Objective] The research aimed to provide the theoretical basis for the optimization of anaerobic wastewater treatment. [ Method] The entropy variations in the all anaerobic wastewater treatment processes were studied. [Result] In the stage of hydrolysis produced acid fermentation, ΔGθ <0, reactions conducted spontaneously, so ΔS>0. In the stage of hydrogen and acetate production, ΔGθ >0 in most of reactions, so Δ5 <0. But the use of hydrogen in the follow-up stage would promote reactions conducting to the right.In the stage of methanogene-sis, ΔGθ<0, reactions conducted spontaneously, so ΔS>0. [ Conclusion] Most of the reactions in anaerobic wastewater treatment processes are spontaneous. The phase of hydrogen and acid production is non-spontaneous stage. Extra energy and matter are needed in this stage in the view of thermodynamics.关键词
废水/厌氧/熵Key words
Wastewater/ Anaerobic/ Entropy分类
农业科技引用本文复制引用
刘前,戴友鹏,牟晓芳..废水厌氧生物处理过程的熵分析[J].安徽农业科学,2012,(30):14625-14626,14635,3.
