多层生物滴滤池去除污染物规律研究

35120162SICHUANENVIＲONMENTVol.35No.1February2016··2015-09-242011KTZB03-03。1983－2012。[e-mail]。122111.7100612.7100613.7230001.5m3/m2·d。CODcr、NH+4-N、TNTP94.1%、97.4%、53.4%41.7%。CODcrCODcr85.2%。NH+4-NNH+4-N44.9%、33.9%19.0%。TN、TP。X703A1001-3644201601-0023-05ＲesearchonDecontaminationＲulesintheMulti－LayeredBiotricklingFilterXUEXu-dong1WANGJia2ZHANGJing2ZHANGZhen-wen1LINFeng31.ShaanxiProvincialAcademyofEnvironmentalScienceXi’an710061China2.PollutionＲeductionEngineeringTechnologyＲesearchCenterofShaanxiProvinceXi’an710061China3.HanzhongEnvironmentalEngineeringPlanning＆DesignInstituteHanzhongShaanxi723000ChinaAbstractThisstudyhadutilizedmulti－layeredbiotricklingfilterwhichmadefromvolcanicsasthestufftotreatdomesticwastewatersewageandhadstudieddecontaminationrulesinthelayersofreactorunderthehydraulicloadingof1.5m3/m2·d.TheresultsshowedthattheaverageremovalefficienciesofCODCr、NH+4-N、TNandTPwere94.1%、97.4%、53.4%and41.7%respectively.ThetopandmiddlelayerofbiotricklingfilterhadcontributedmoretothedecontaminationofCODcrandhadoccupied85.2%oftheoverallremovalefficiency.TheremovalrateofbiotricklingfilteronNH+4-Ndecreasedfromtoplayertobottomlayerandtheaverageremovalefficiencieswere44.9%、33.9%and19.0%respectively.TheremovalruleofTNandTPweresimilarthatthemiddlelayerhadgreatercontributionwhilethetopandbottomlayerofbiotricklingfilterhadlesscontributionKeywordsBiotricklingfiltervolcanicsegmentationsimulatedsewage112～456。、、、。。。1、7、89、DOI:10.14034/j.cnki.schj.2016.01.00510。、。22.145L/d1.5m3/m2·d。。。1。1234561－2－3－4－5－6－1Fig.1Schematicdiagramofexperimentalset-up19cm。3231cm22cm61cm19cm。、12cm。432mm。1276mm。。25cm15～25mm20cm10～15mm40cm10～15mm。2013510。。20131128121918.0℃～23.5℃。2.2CODcr400mg/L。NH4Cl、KH2PO4NaHCO3NaHCO3pH0.8g/L。CODcr∶N∶P=100∶5∶1。2.32。CODcr、NH+4-N、TN、TP。CODcr《》11NH+4-N、TN、TP。33.1CODcr4504003503002502001501005000%4%812%16%20%24%28%32%36%40运行天数(d)CODCr(mg/L)进水上层出水中层出水下层出水2CODcrFig.2TheCODcrconcentrationsineffluentofeachlayerofbiotricklingfilter2CODcr92.5%～95.5%94.1%。CODcr221～315mg/LCODcr69.2～4235112mg/LCODcr18.5～30.3mg/L。CODcr/CODcr26.9%、50.2%17.0%。CODcr12CODcr。。、CODcr、CODcr。3.2NH+4-N0%4%812%16%20%24%28%32%36%40运行天数(d)NH+-N(mg/L)进水上层出水中层出水下层出水30252015105043NH+4-NFig.3TheNH+4-NconcentrationineffluentofthelayersofbiotricklingfilterNH+4-N1mg/L96.4%～98.4%97.4%。NH+4-N3。NH+4-N、、1314。NH+4-N。NH+4-NNH+4-N。222。NH+4-N/NH+4-N44.9%、33.9%19.0%。NH+4-N。。15NH+4-NNH+4-NNH+4-N。NH+4-NNH+4-N。Boller16NH+4-NNH+4-NNH+4-N。Boller。3.3TN0%4%812%16%20%24%28%32%36%40运行天数(d)TN(mg/L)进水上层出水中层出水下层出水3025201510504TNFig.4TheTNconcentrationineffluentofthelayersofbiotricklingfilterTN25.5%～58.9%53.4%。8.6%、38.6%6.3%。TN4。4TN。521CODcr。SidneyBiesterfeld17。NH+4-NTN。CODcrCODcrTN。3.4TP0%4%812%16%20%24%28%32%36%40运行天数(d)TP(mg/L)进水上层出水中层出水下层出水4.54.03.53.02.52.01.51.00.505TPFig.5TheTPconcentrationineffluentofthelayersofbiotricklingfilter18。－。。TP27.2%～52.1%41.7%。TP5。10.4%、31.0%0.2%。TNTP。TP。TP。TP。44.1、CODcr。1.5m3/m2·dCODcr、NH+4-N、TN、TP94.1%、97.4%、53.4%41.7%。4.2CODcrCODcrCODcr85.2%。。4.3NH+4-N＞＞。。4.4TN、TP。。。TN。TP。TP。1．J．2011371184-87．2EdingEHKamstraAVerrethJAJetal．Designandopera-tionofnitrifyingtricklingfiltersinrecirculatingaquacultureAreviewJ．AquaculturalEngineering200634234-260．3PerssonFWikTSrenssonFetal．Distributionandactivityofammoniaoxidizingbacteriainalargefull-scaletricklingfilterJ．Waterresearch2002361439-1448．4．J．201339165-68．5．J．200632764-66．6．J．200228418-20．62357．D．2010．8．J．201238884-87．9．A/OJ．201238950-53．10．D．2012．11．M．2002．12．ABＲ-J．2013793439-3444．13．—D．2005．14．——D．2006．15．J．201023111435-1440．16BollerMGujerW．Nitrificationintertiarytricklingfiltersfol-lowedbydeep-bedfiltersJ．WaterＲesearch198620111363-1373．17BiesterfeldSFarmerGFigueroaLetal．QuantificationofdenitrificationpotentialincarbonaceoustricklingfiltersJ．Wa-terＲesearch200337164011-4017．18．J．20071826-30．721