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硫酸盐对AO污水处理系统COD和氨氮降解的影响
Publication year - 2020
Publication title -
工程设计与施工
Language(s) - Uncategorized
Resource type - Journals
ISSN - 2705-070X
DOI - 10.36956/edc.v2i12.273
Subject(s) - business
中国沈阳某生活污水处理厂由于地处化工园区汇水管网内阶段性出现高浓度硫酸盐混入情况导致该污水处理厂出水COD和氨氮指标大幅上升。经过对进水指标和出水指标的数据信息收集废水中含大量的硫酸盐在AO系统的厌氧段中被硫酸盐还原菌将还原为硫化物对系统微生物产生了不利影响。浓度较低的硫酸盐对厌氧段的处理效果有促进作用但高浓度的硫酸盐会对好氧段造成不利影响。

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