| Intermittent Aerated Membrane Bioreactor (IAMBR) for High Salinity Wastewater Treatment and Microbial Community Structure Analysis |
| Authors： ZHANG Lei |
| Units： Shandong Provincial Key Laboratory of Oilfield Produced Water Treatment and Environmental Pollution Control, Sinopec petroleum Engineering Corporation, Dongying 257026，China |
| KeyWords： Intermittent aeration membrane bioreactor (IAMBR); High Salinity municipal wastewater; Microbial community structure |
| ClassificationCode：X703 |
| year,volume(issue):pagination： 2020,40(5):101-110 |
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Abstract： |
| <p> <span style="font-family: "Times New Roman"; font-size: 10.5pt"><font face="Arial">ntermittent aerated membrane bioreactor (IAMBR) was used to treat salinity municipal sewage, and the effects of salinity in the high concentration range on the IAMBR and the microbial community structure were studied. The results showed that when the salinity was lower than 20g/L, the IAMBR was operated stably and the effluent effect was good, and the removal rates of TOC, NH4+-N and TN were above 90%, 95% and 75%, respectively，and the nitrate nitrogen in the effluent was low and stable. When salinity was increased to 35g/L, the quality of effluent was deteriorated, and the removal rates of TOC, NH4 + -N and TN were reduced to 80%, 70% and 50%, respectively, and the nitrate nitrogen in the effluent fluctuated greatly. The nitrite nitrogen in the effluent did not varied with the increase of salinity, and the content was low in any stage of the reaction process. PCR-DGGE analysis of total bacteria and ammonia oxidizing bacteria (AOB) showed that with the increase of the influent salinity, the dominant microorganisms in the system changed and the content of AOB ((Nitrosomonas) was reduced. </font></span></p> |
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Funds： |
| 中国石化集团公司科技攻关项目“海上油田采岀水处理回用技术研究”(318018-1)；山东省重点研发计划项目“基于MBR微生物群感效应的工程菌构建及其膜污染自调节驱散关键技术研究”（2018GSF117026）；国家自然科学基金“聚驱采油废水超滤处理中膜过滤性能不可逆衰退微观机制及调控研究”（51808257） |
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AuthorIntro： |
| 张磊（1973－），男，山东烟台人，毕业于中国石油大学（华东），本科，高级工程师，主要从事油田注水及采出水处理方面的研究工作；E-mail：395660508@qq.com。 |
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Reference： |
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