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厌氧颗粒污泥胞外聚合物的影响因素研究
引用本文:林志福,伍健东,周兴求,牛晓君.厌氧颗粒污泥胞外聚合物的影响因素研究[J].环境工程学报,2009,3(7):1311-1315.
作者姓名:林志福  伍健东  周兴求  牛晓君
作者单位:华南理工大学环境科学与工程学院,广州,510006
摘    要:为明确厌氧颗粒污泥胞外聚合物产生的影响机制,通过改变pH、污泥负荷(Ns)和C/N比,研究厌氧颗粒污泥及其上清液的EPS(胞外聚合物)产生量及组分多糖、蛋白质的变化情况,采用红外光谱对比分析了pH、Ns、C/N比对EPS分子结构的影响;结果表明,过酸、过碱和不适当的C/N比不利于厌氧颗粒污泥形态保持和微生物生长,但Ns对厌氧颗粒污泥形态的影响不大。红外光谱分析表明,蛋白质肽键在强酸、强碱条件下均发生了变化,羧基、醇和酚则在强酸条件下(pH 3)消失,C/N比和污泥负荷对EPS的分子结构影响不大。

关 键 词:厌氧颗粒污泥  EPS  分子结构
收稿时间:9/3/2008 12:00:00 AM

Study on influencing factors of EPS in anaerobic granular sludge
Lin Zhifu,Wu Jiandong,Zhou Xingqiu and Niu Xiaojun.Study on influencing factors of EPS in anaerobic granular sludge[J].Techniques and Equipment for Environmental Pollution Control,2009,3(7):1311-1315.
Authors:Lin Zhifu  Wu Jiandong  Zhou Xingqiu and Niu Xiaojun
Institution:College of Environmental Science and Engineering, South China University of Technology, Guangzhou 510006,China,College of Environmental Science and Engineering, South China University of Technology, Guangzhou 510006,China,College of Environmental Science and Engineering, South China University of Technology, Guangzhou 510006,China and College of Environmental Science and Engineering, South China University of Technology, Guangzhou 510006,China
Abstract:To understand the producing mechanisms of extracellular polymeric substances(EPS) in anaerobic granular sludge,change in constituents of EPS from anaerobic granular sludge and supernatant fluid at various pH,C/N ratio and Ns concentration were investigated.Fourier transform infrared spectrophotometry was used to analyze the effects of pH,C/N ratio and Ns concentration on the molecular structure in EPS;the results show that superacid,undue-alkaline and inappropriate C/N ratio go against morphology keeping of...
Keywords:anaerobic granular sludge  extracellular polymeric substances  molecular structure
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