膜科学与技术

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Research on organic pollutants degradation kinetics model about recirculated membrane bio-reactor（RMBR）

Authors： JINMingji1*，CHENGuanqun2，QUANYue1

Units： 1.Department of Agricultural?Resources?and?Environment，Agricultural College of Yanbian University, Yanji Jilin 133000；2. Department of Environmental Science and Engineering, Environmental and Chemical Engineering College of Dalian University, Dalian Liaoning 116622

KeyWords： recirculated membrane bio-reactor；sludge loading；kinetics model

ClassificationCode：X703.1

year,volume(issue):pagination： 2015,35(2):53-56

Abstract：

n this thesis, the imitated wastewater was treated using the recirculated membrane bio-reactor (RMBR). Removal effect of the various treatment methods was studied by determiningorganic pollutants of wastewater at different sludge loading, and the organic pollutants degradation kinetics model and the corresponding kinetics’ parameter was discussed. The experimental result indicated that the average removal efficiency of the system in all phase is 97.4 %, which was a high level. In the conditions of 0.22～0.27kgCOD/kgMLSS·d sludge loading, the average effluent concentration was keeping with the B standard of level 1（60mg/L）of ‘Discharge standard of pollutants for municipal wastewater treatment plant’. But as the sludge loading increasing, the average effluent concentration went beyond the standard mentioned. According to the result of this experiment, the RMBR system kinetics parameter can be concluded that Vmax was 4.21d-1，KS was 688.74mgCOD/L, and the organic pollutants removal kinetics model was [(So-Se)·Q]/(X·V)=4.21Se/(688.74+Se).

Funds：

国家自然科学基金项目（项目批准号：51269032）；吉林省科技发展计划项目（项目编号：20100162)；延边朝鲜族自治州科技发展计划项目（合同编号：2011BB29）

AuthorIntro：

金明姬（1977-），女，吉林延边人，博士，副教授，从事水处理方面研究.

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