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| 复合式膜生物反应器去除城市污水中TN的研究 | |
| 引用本文： | 刘强,王晓昌,杨振锋,刘永军,袁宏林. 复合式膜生物反应器去除城市污水中TN的研究[J]. 中国给水排水, 2008, 24(21) |
| 作者姓名： | 刘强 王晓昌 杨振锋 刘永军 袁宏林 |
| 作者单位： | 1. 西安建筑科技大学,环境与市政工程学院,陕西,西安,710055;济南水业集团有限责任公司,山东,济南,250012 2. 西安建筑科技大学,环境与市政工程学院,陕西,西安,710055 3. 西安市北石桥污水净化中心,陕西,西安,710086 |
| 基金项目： | 国家自然科学基金，国家高技术研究发展计划(863计划) |
| 摘 要： | 采用复合式膜生物反应器（HMBR）中试装置处理城市污水，考察了对TN的去除效果并探讨了脱氮机理。试验结果表明，HMBR能够显著提高脱氮效果，对TN的平均去除率为50．9％，比常规膜生物反应器（CMBR）提高了13．8％。由于生物膜对松散附着型胞外聚合物（LB-EPS）的吸附作用，HMBR中的LB—EPS与CMBR的相比明显降低。LB-EPS的降低使HMBR中絮体的粒径增加了近1倍，絮体密度明显增大，提高了同步硝化反硝化的效果。另外，一定厚度的生物膜同样可以进行同步硝化反硝化。与CMBR相比，HMBR中的活性污泥絮体和生物膜在提高脱氮效果上分别贡献了8％、5．8％。 |
| 关 键 词： | 复合式膜生物反应器 松散附着型胞外聚合物 生物膜 活性污泥 同步硝化反硝化 |
Study of TN Removal from Municipal Wastewater by Hybrid Membrane Bioreactor |
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| LIU Qiang,WANG Xiao-chang,YANG Zhen-feng,LIU Yong-jun,YUAN Hong-lin. Study of TN Removal from Municipal Wastewater by Hybrid Membrane Bioreactor[J]. China Water & Wastewater, 2008, 24(21) | |
| Authors: | LIU Qiang WANG Xiao-chang YANG Zhen-feng LIU Yong-jun YUAN Hong-lin |
| Affiliation: | LIU Qiang1,2,WANG Xiao-chang1,YANG Zhen-feng3,LIU Yong-jun1,YUAN Hong-lin1(1. School of Environmental , Municipal Engineering,Xi'an University of Architecture , Technology,Xi'an 710055,China,2. Jinan Water Supply Group Co. Ltd.,Jinan 250012,3. Xi'an Beishiqiao Sewage Purification Center,Xi'an 710086,China) |
| Abstract: | A pilot-scale hybrid membrane bioreactor (HMBR) was used to treat municipal wastewater,and the removal efficiency of TN and the nitrogen removal mechanism were investigated. The results show that the HMBR can significantly improve nitrogen removal efficiency. The average removal rate of TN is 50.9%,with rise of 13.8% compared with the conventional membrane bioreactor (CMBR). Due to the adsorption effect of biofilm on the loosely bond extracellular polymeric substances (LB-EPS),the LB-EPS in the HMBR are les... |
| Keywords: | hybrid membrane bioreactor loosely bond extracellular polymeric substances biofilm activated sludge simultaneous nitrification and denitrification |
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