第48卷第1期2023年1月环境科学与管理ENVIRONMENTALSCIENCEANDMANAGEMENTVol.48No.1Jan.2023收稿日期:2022-11-14基金项目:宣城市2020年市科技计划面上攻关项目(XCKJ20-031)作者简介:巫方才(1975-),男,高级工程师,主要研究方向:环境监测、环评、应急及环境工程(规划与管理)。文章编号:1674-6139(2023)01-0140-04水生生物对养猪废水降解效果对比研究巫方才(宣城市生态环境监测站,安徽宣城242000)摘要:为探讨水生生物对养猪废水的降解效果,文章选取安徽省某养猪场的沼液废水为研究对象,设计了试验装置,废水从沼气池中接管后依次流经生物基质池和生物塘,在生物塘中分别种植美人蕉、苦草、狐尾藻和芦苇四种水生生物,监测了装置运行10d、20d、30d和40d生物基质池和生物塘中TP、COD、氨氮和SS的含量,计算出了四种水生生物对各污染物的去除率,结果表明:狐尾藻对养猪废水中COD去除效果最好,其次是苦草,去除率均在80%以上;四种植物中对养猪废水中SS去除率均在80%以上;芦苇对养猪废水中氨氮去除效果最好,在70%以上。关键词:沼液废水;水生生物;去除率;生物基质池中图分类号:X830文献标志码:BComparativeStudyonDegradationEffectofAquaticOrganismsonPigWastewaterWuFangcai(XuanchengEcologicalEnvironmentLawEnforcementMonitoringStation,Xuancheng242000,China)Abstract:Inordertoexplorethedegradationeffectofaquaticorganismsonpigwastewater,thispaperselectsthebiogasslur-rywastewaterfromapigfarminYingtanCity,JiangxiProvinceastheresearchobjectanddesignsatestdevice.Cannabis,bittergrass,foxtailalgaeandreedswereplantedinthebiologicalponds.TheTP,COD,ammonianitrogenandSSinthebiologicalma-trixpoolsandbiologicalpondsweremonitoredfor10d,20d,30d,and40d.Contentcalculatedtheremovalrateofeachpollu-tantbyfouraquaticorganisms,andtheresultsshowedthat:MyriophyllumaquaticumhadthebestremovaleffectonCODinpigwastewater,followedbybittergrass,withremovalratesabove80%.TheremovaleffectofSSinswinewastewaterwasverygoodamongthefourplants,andtheremovalrateswereallabove80%.Amongthem,thebittergrasshadthebesteffect,followedbymyriophyllum.TheremovalrateofSSbythesetwoplants.Bothareabove90%.Reedhasthebesteffectonammonianitrogenre-movalinpigwastewaterwitharemov...