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SMBBR处理城市生活污水的污染物降解动力学 被引量:5
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作者 杨文焕 贾晓硕 +2 位作者 敬双怡 李卫平 朱浩君 《工业水处理》 CAS CSCD 北大核心 2018年第6期54-57,共4页
采用特异性移动床生物膜反应器(SMBBR)处理模拟城市生活污水,并根据实验结果建立该工艺的污染物降解动力学方程,验证得出系统中有机污染物、总氮和总磷的最大比降解速度与饱和常数。结果表明:系统中有机污染物、总氮、总磷的最大比降解... 采用特异性移动床生物膜反应器(SMBBR)处理模拟城市生活污水,并根据实验结果建立该工艺的污染物降解动力学方程,验证得出系统中有机污染物、总氮和总磷的最大比降解速度与饱和常数。结果表明:系统中有机污染物、总氮、总磷的最大比降解速度分别为9.79、0.513、0.226 d-1,三者的饱和常数分别为62.41、11.998、7.087 mg/L。通过降解动力学方程得到的有机污染物、总氮、总磷出水浓度模拟值和其实际出水浓度值拟合良好,误差分别为0.18~0.27、0.06~0.26和0.09~0.43。 展开更多
关键词 特异性移动床生物膜反应器 生活污水 污染物降解动力学
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Effects of extra-cellular polymeric substances on organic pollutants biodegradation kinetics for A-step of adsorption-biodegradation process 被引量:1
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作者 周健 吴志高 姜文超 《Journal of Central South University of Technology》 EI 2006年第3期229-233,共5页
The features of organic pollutants degradation mainly characterized by bio-flocculation for step-A of adsorption-biodegredation(AB) process were studied. By investigating the relationship of extracellular polymeric ... The features of organic pollutants degradation mainly characterized by bio-flocculation for step-A of adsorption-biodegredation(AB) process were studied. By investigating the relationship of extracellular polymeric substances(EPS) with bioflocculation and introducing kinetic model of organic pollutant degradation into EPS, the kinetic model of organic pollutant degradation for step-A hioflocculation was deducted. And through the experiments, the kinetic constants were calculated as follows: k1 =0. 005 3; kc1 =1 710.7 and vmax1=10 min^-1. 展开更多
关键词 AB process organic pollutants biodegradation KINETICS EPS
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