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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Effects of salinity build-up on the performance of an anaerobic membrane bioreactor regarding basic water quality parameters and removal of trace organic contaminants
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Effects of salinity build-up on the performance of an anaerobic membrane bioreactor regarding basic water quality parameters and removal of trace organic contaminants

机译：盐分积累对厌氧膜生物反应器基本水质参数和去除痕量有机污染物的性能的影响

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摘要

The effects of elevated inorganic salt concentration on anaerobic membrane bioreactor ( AnMBR) treatment regarding basic biological performance and trace organic contaminant ( TrOC) removal were investigated. A set of 33 TrOCs were selected to represent pharmaceuticals, steroids, and pesticides in municipal wastewater. Results show potential adverse effects of increase in the bioreactor salinity to 15 g/L ( as NaCl) on the performance of AnMBR with respect to chemical oxygen demand removal, biogas production, and the removal of most hydrophilic TrOCs. Furthermore, a decrease in biomass production was observed as salinity in the bioreactor increased. The removal of most hydrophobic TrOCs was high and was not significantly affected by salinity build-up in the bioreactor. The accumulation of a few persistent TrOCs in the sludge phase was observed, but such accumulation did not vary significantly as salinity in the bioreactor increased. Crown Copyright (C) 2016 Published by Elsevier Ltd. All rights reserved.
机译：研究了无机盐浓度升高对厌氧膜生物反应器（AnMBR）处理的基本生物学性能和微量有机污染物（TrOC）去除的影响。选择了33种TrOC，以代表城市废水中的药物，类固醇和农药。结果表明，就化学需氧量去除，沼气生产和大多数亲水性TrOC的去除而言，将生物反应器盐度提高至15 g / L（以NaCl计）对AnMBR的性能具有潜在的不利影响。此外，随着生物反应器中盐度的增加，观察到生物量产生的减少。大多数疏水性TrOCs的去除率很高，并且不受生物反应器中盐分累积的显着影响。在污泥相中观察到一些持久性TrOC的积累，但是随着生物反应器中盐度的增加，这种积累没有显着变化。 Crown版权所有（C）2016，由Elsevier Ltd.发行。保留所有权利。

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