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Fate of endocrine disruptor compounds in an anaerobic membrane bioreactor (AnMBR) coupled to an activated sludge reactor†
Environmental Science: Water Research & Technology ( IF 3.5 ) Pub Date : 2017-11-29 00:00:00 , DOI: 10.1039/c7ew00382j M. R. Abargues 1, 2, 3, 4, 5 , J. Ferrer 1, 5, 6, 7, 8 , A. Bouzas 1, 2, 3, 4, 5 , A. Seco 1, 2, 3, 4, 5
Environmental Science: Water Research & Technology ( IF 3.5 ) Pub Date : 2017-11-29 00:00:00 , DOI: 10.1039/c7ew00382j M. R. Abargues 1, 2, 3, 4, 5 , J. Ferrer 1, 5, 6, 7, 8 , A. Bouzas 1, 2, 3, 4, 5 , A. Seco 1, 2, 3, 4, 5
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The occurrence and fate of three groups of micropollutants – alkylphenols, pentachlorophenol and hormones – were studied in a pilot plant consisting of an anaerobic membrane bioreactor (AnMBR) coupled to an activated sludge reactor (University of Cape Town configuration – UCT). Under anaerobic conditions, the octylphenol and technical-nonylphenol soluble concentrations increased producing negative degradation ratios (i.e., −175 and −118%, respectively). However, high 4-n-nonylphenol and bisphenol-A degradation ratios (92 and 59% for 4-n-nonylphenol and bisphenol-A, respectively) as well as complete pentachlorophenol, estrone, 17β-estradiol and 17α-ethinylestradiol removal were observed. Under aerobic conditions (UCT), octylphenol, technical-nonylphenol, 4-n-nonylphenol and bisphenol-A degradation ratios were higher than 84%. The AnMBR thus removes a high proportion of 4-n-nonylphenol, pentachlorophenol, estrone, 17β-estradiol and 17α-ethinylestradiol, but requires a later post-treatment process (such as UCT) to improve bisphenol-A, octylphenol and technical-nonylphenol degradation ratios. The overall AnMBR–UCT degradation ratios were 48% and 70% for octylphenol and technical-nonylphenol, respectively, and higher than 97% for 4-n-nonylphenol and bisphenol-A. The AnMBR produced a higher micropollutant accumulation in the sludge than the UCT: removal by adsorption in the AnMBR process was between 0.5 and 10%, and less than 0.5% in the UCT process. The combination of AnMBR and UCT technologies produces an effluent stream with low concentrations of micropollutants.
中文翻译：
厌氧膜生物反应器（AnMBR）与活性污泥反应器耦合的内分泌干扰物化合物的命运†
在由厌氧膜生物反应器（AnMBR）和活性污泥反应器（开普敦大学配置– UCT）组成的中试工厂中研究了三类微量污染物的发生和结局：烷基酚，五氯苯酚和激素。在厌氧条件下，将辛基苯酚和技术壬基苯酚可溶性浓度增加产生负降解率（即，-175和-118分别％）。但是，观察到较高的4-正壬基苯酚和双酚A降解率（4-正壬基苯酚和双酚A分别为92％和59％）以及五氯苯酚，雌酮，17β-雌二醇和17α-炔雌醇的完全去除率。在好氧条件下（UCT），辛基苯酚，工业壬基苯酚，4-正壬基苯酚和双酚A的降解率高于84％。因此，AnMBR去除了高比例的4-正壬基苯酚，五氯苯酚，雌酮，17β-雌二醇和17α-炔雌醇，但是需要后期的后处理工艺（例如UCT）来改善双酚A，辛基苯酚和工业级壬基苯酚。降解率。辛基苯酚和工业壬基苯酚的总AnMBR–UCT降解率分别为48％和70％，而对于4- n则高于97％-壬基酚和双酚-A。与UCT相比，AnMBR在污泥中产生了更高的微污染物累积：在AnMBR工艺中，吸附去除率在0.5％至10％之间，而在UCT工艺中，小于0.5％。AnMBR和UCT技术的结合产生了具有低浓度微污染物的废水。
更新日期：2017-11-29
中文翻译：
厌氧膜生物反应器（AnMBR）与活性污泥反应器耦合的内分泌干扰物化合物的命运†
在由厌氧膜生物反应器（AnMBR）和活性污泥反应器（开普敦大学配置– UCT）组成的中试工厂中研究了三类微量污染物的发生和结局：烷基酚，五氯苯酚和激素。在厌氧条件下，将辛基苯酚和技术壬基苯酚可溶性浓度增加产生负降解率（即，-175和-118分别％）。但是，观察到较高的4-正壬基苯酚和双酚A降解率（4-正壬基苯酚和双酚A分别为92％和59％）以及五氯苯酚，雌酮，17β-雌二醇和17α-炔雌醇的完全去除率。在好氧条件下（UCT），辛基苯酚，工业壬基苯酚，4-正壬基苯酚和双酚A的降解率高于84％。因此，AnMBR去除了高比例的4-正壬基苯酚，五氯苯酚，雌酮，17β-雌二醇和17α-炔雌醇，但是需要后期的后处理工艺（例如UCT）来改善双酚A，辛基苯酚和工业级壬基苯酚。降解率。辛基苯酚和工业壬基苯酚的总AnMBR–UCT降解率分别为48％和70％，而对于4- n则高于97％-壬基酚和双酚-A。与UCT相比，AnMBR在污泥中产生了更高的微污染物累积：在AnMBR工艺中，吸附去除率在0.5％至10％之间，而在UCT工艺中，小于0.5％。AnMBR和UCT技术的结合产生了具有低浓度微污染物的废水。
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