石化废水非丝状菌活性污泥膨胀原因分析及对策
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2019-03-30 21:00:59
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石化废水非丝状菌活性污泥膨胀原因分析及对策石化废水非丝状菌活性污泥膨胀原因分析及对策朱新元,杨景丽(山东东明石化集团有限公司,山东菏泽274500)[摘要]某石化污水处理场一级A/O池发生非丝状菌引起的污泥膨胀,综合分析后得出引起污泥膨胀的原因为来水有机负荷太高,且含有有毒物质及溶解氧过低。通过采取控制来水水质、提高DO、控制m(C)∶m(N)∶m(P)、投加生物增效剂等措施,最终消除了污泥膨胀。[关键词]非丝状菌;污泥膨胀;石化污水[中图分类号]X703[文献标识码]B[文章编号]1005-829X(2018)08-0102-03Causeanalysisandcountermeasuresofnon-filamentousactivatedsludgebulkinginpetrochemicalwastewaterZhuXinyuan,YangJingli(ShandongDongmingPetrochemicalGroupCo.,Ltd.,Heze274500,China)Abstract:Thesludgebulkingcausedbynon-filamentousfungihasoccurredinthefirstlevelA/Opoolofapertro-chemicalwastewatertreatmentplant.Itisknownthroughcomprehensiveanalysisthatthecausesofsludgebulkingarethattheinfluentorganicloadistoohigh,thesludgecontainstoxicsubstancesandthedissolvedoxygenistoolow.Measures,suchascontrollingtheinfluentquality,improvingDO,controllingtheratioofm(C)∶m(N)∶m(P),addingbioaugmentationagent,etc.shouldbetaken.Finally,thesludgebulkingiseliminated.Keywords:non-filamentousfungi;sludgebulking;pertrochemicalwastewater活性污泥膨胀分为丝状菌膨胀和非丝
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