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《以稻壳为载体的SBR对农村生活污水去除效能分析-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、化工进展·2484·CHEMICALINDUSTRYANDENGINEERINGPROGRESS2014年第33卷第9期以稻壳为载体的SBR对农村生活污水去除效能分析闫立龙,郝国馨,刘玉,文艳,伍祖静,陈艺洋,张英民(东北农业大学资源与环境学院,黑龙江哈尔滨150030;环境保护部华南环境科学研究所,广东广州510530)摘要:为实现高效、低耗处理农村生活污水,以农业废弃物稻壳为材料,对添加稻壳的序批式活性污泥法(SBR)反应器处理人工模拟农村生活污水的效能进行了分析,并研究了稻壳释放和吸附污染物特性。研究结果表明,以稻壳为载体的SBR对有机物和氨氮具有很好的去除效果,当进水有机
2、物和氨氮平均浓度分别为530.77mg/L和35.32mg/L时,二者的去除率分别为90.46%和95.64%,并表现出良好的同步硝化.反硝化特性;短时间内稻壳对模拟废水有机物表现为释放特性,而对氨氮表现为吸附特性;比较而言,稻壳对实际生活污水中有机物则表现为释放和部分吸附特性,而对氨氮则表现为释放特性;长时间浸没试验结果表明,去离子水中浸没稻壳会引起有机物和氨氮浓度的升高。生物作用是以稻壳为载体的SBR对污染物去除的主要原因,稻壳的吸附作用很小。关键词:农村生活污水;稻壳;序批式活性污泥法;吸附中图分类号:X703文献标志码:A文章编号:1000—6613(2014)09—24
3、84—06DoI:1O.3969~.issn.1000—6613_2014.09.042AnalysisofremovaleficiencyofSBRonruralsewagewithricehuskascarrierYANLilong,HAOGuoxin,LIUYu,WENYan,WUZujing,CHENYiyang,ZHANGHngmin(’SchoolofResourcesandEnvironmentalSciences,NortheastAgriculturalUniversity,Harbin150030,Heilongjiang,China;SouthChinaIn
4、stituteofEnvironmentalSciences,theMinistryofEnvironmentalProtectionofPRC,Guangzhou510530,Guangdong,China)Abstract:Ricehuskwasusedintheinvestigationoftheeficiencyofsequencingbatchreactor(SBR)withricehuskprocessingruraldomesticsewagewastewater,andit’Stheadsorptionpropertiesofricehuskwerestudied
5、.TheresultsshowedthattheremovalefficienciesofSBRonorganicmatterandammonianitrogenweregood.Whentheaverageconcentrationofinfluentorganicmatterandammonianitrogenwere530.77mg/Land35.32mg/L,theremovalrateswere90.46%and95.64%,respectively,andshowedagoodpropertyofsimultaneousnitrification——denitrifi
6、cation.Withinashortperiodoftime,ricehuskshowedreleasepropertyonorganicmatterinartificialwaste,andadsorptionpropertyonammonianitrogen.Incontrast,ricehuskshowedreleasepropertyonorganicmatterinactualsewageandpartialadsorptionproperty,andreleasepropertyonammonianitrogen.Theresultsofimmersiontestf
7、orlongtimeshowedthatricehuskimmersedindeionizedwaterwouldincreasetheconcentrationoforganicmatterandammonianitrogen;theadsorptionofricehuskonorganicmatterwasweak;biologicalactionwasthemainreasonofSBRonpollutantremovalwithricehuskascarrier;andt
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