改进式曝气生物滤池处理高氨氮废水的研究滕厚开

4　10环境工程学报Vol.4,No.10201010ChineseJournalofEnvironmentalEngineeringOct.2010滕厚开1　梁明初2　郑书忠1　陈　军1　谢陈鑫1＊赵　慧1　傅送保2　单忠平2　柯小军2(1.,300131;2.,572600)　　、、C/N,、,SBR、BAF(Biofor)。,≤200mg/L,COD≤150mg/L≤5mg/L,COD≤50mg/L,60%。　　　　X703　　　A　　　1673-9108(2010)10-2195-04Researchonhighammonia-nitrogenfertilizerwastewatertreatmentbymodifiedbiologicalaeratedfilterinseriesTengHoukai1　LiangMingchu2　ZhengShuzhong1　ChenJun1　XieChenxin1ZhaoHui1　FuSongbao2　ShanZhongping2　KeXiaojun2(1.CNOOCTianjinChemicalResearchDesignInstitute,Tianjin300131,China;2.ChinaBlueChemicalLtd.,Dongfang572600,China)Abstract　Aimingatlargedischarging,highlyconcentratedammonia-nitrogenandlowC/Nratiooffertiliz-erwastewater,modifiedBAFwithconcentratedmicroorganismswasdesigned.Theprocessingperformance,mechanismandpracticabilitywerestudied,itsperformancescomparingwithSBR,thegeneralBAF(Biofor)andmodifiedBAFwithoutconcentratedmicroorganismswerediscussedsimultaneously.Theresultsshowedthatmodi-fiedBAFcouldeffectivelyremoveammonia-nitrogenfrom200mg/Ltolessthan5mg/L,CODfrom150mg/Ltolessthan50mg/L,itsremovalrateoftotalnitrogenwasmorethan60%.Keywords　highammonia-nitrogenwastewater;modifiedbiologicalaeratedfilter;concentratedmicroor-ganisms:“”(2008BAE64B07);(HFKJ-XML-TJY0904):2009-10-10;:2009-11-19:(1963～),,,。＊,E-mail:[e-mail]　　,。,1t1.5%～5%1t[1]。,、、,200mg/L;,C/N,。C/N,COD,,,,,、,,、,:pH、、NO-2、NO-3、。,,,,。,、、(BAF)[2～5]。50mg/L[6～8],。4(≈200mg/L)。1　1.1　1。1　Fig.1　ProcessimageofexperimentalsetupUBAF(),pH8～9,UBAFMBAF(),,MBAF。UBAF(),MBAF(),。[9],3,;,,200%。BAF,750～780kg/m3,70%～82%,2～4mm6～8mm,1.27kg/m3。,:100～250mg/L,COD80～150mg/L,18～35NTU,BOD520～60mg/L,pH6.8～9。,。1.2　(1)[10]:,751。(2)COD[10]:。(3)[10]:-。(4)[10]:。(5)[10]:N-(1-)-。2　2.1　UBAFMBAF2,,,UBAF18%2%,MBAF10%10%,2d。3d,6∶1～10∶1,100mg/L,,pH8.5～9.0,,,,,,。3h。,30～35℃,2d,,,。2.2　,,24h。5min,,,。10min,。,。,,。2.3　UBAFMBAF2,3,2　UBAFMBAFFig.2　Treatmenteffectofammonia-nitrogeninUBAFandMBAF219610:4,COD5。,,,,。,,2～5,71.5%(2),16.8%(3),COD31%(5)。,43mg/L,UBAF,95mg/L,16.4mg/L。,COD,,,,。[11],,,,,,;,,。295%,361%,4,。2.4　SBR、BAF(Biofor)、BAF,6。6　SBR、BAF(Biofor)、BAFBAFFig.6　Comparisonoftreatmenteffectofhighammonia-nitrogenwastewateramongSBR,Biofor,modifiedBAFwithconcentratedmicroorganismsandnon-concentratedmicroorganisms219746,,BAF,SBRBAF(Biofor),208mg/L,SBR91mg/L,BAF133.9mg/L,61.4mg/L,,,208mg/L4.6mg/L。。3　　(1)。(2)UBAF,MBAF。(3),BAF,SBRBAF(Bio-for),208mg/L,,,4.6mg/L。(4)C/N。[1],..,2007,32(9):14～16[2]AdachiS.Reclamationandreuseofwastewaterbybiologi-calaeratedfilterprocess.Wat.Sci.Tech.,1991,24(9):195～204[3]LeopoldoG.,Mendoza-Espinosa,TomStephenson.Aprocessmodeltoevaluatetheperformanceofabiologicala-eratedfilter.BiotechnologyTechniques,1998,12(5):373～375[4]PujolR.,TaralloS.Totalnitrogenintwo-stepbio-filtra-tion.Wat.Sci.Tech.,2000,41(4):65～68[5],..:,2005[6],,..,2009,25(3):102～104[7],,..,2009,25(1):93～96[8],,.BAF.,2009,3(2):285～288[9],,,..,200810117545.5,2008-12-24[10]《》.(4).:,2002[11]QiuL.P.,MaJ.Anovelapproachtoremovenitrogeninabiologicalaerobicfilter(BAF).Environ.Technol.,2005,26(8):921～9302198