A2O组合生物滤池处理屠宰废水试验谷庆

A2/O谷　庆1,陈　欣2,朱跟凤3,冉　杰4(1.,　243002;2.,　210000;3.,　241000;4.,　232038)　:采用A2/O组合生物滤池工艺对屠宰废水进行了处理试验,结果表明,当水力负荷为0.24～0.86m3/(m2·h)时,废水中COD和TKN的去除率可分别达到80%和87%,SS与色度的去除率均可超过95%,出水COD、NH3-N、SS和色度分别在80、10、50mg/L和20倍以下,可以达到GB13457—92《肉类加工工业水污染物排放标准》一级排放标准。:屠宰废水　生物滤池　A2/O工艺:X703.1　　:A　　:1674-0254(2010)02-0006-05ExperimentalStudyonA2/OCombinationBiofiltertoTreatSlaughterWastewaterGUQing1,CHENXin2,ZHUGenfeng3,RANJie4(1.SchoolofArchitecturalEngineering,AnhuiUniversityofTechnology,Ma'anshan243002,China;2.NanjingGuolianElectricPowerEngineeringDesignCo.Ltd,Nanjing210000,China;3.Kuo-HungConstructionCo.Ltd,Wuhu24100,China;4.ChinaNationalChemicalEngineeringThirdConstructionCo.Ltd,Huainan232038,China)Abstract:Forthespecificallyoftheslaughterwastewater,usingtandemanaerobic/aerobiccombina-tionofbiologicalfilterforstudy.Theresultsshowedthatwhenthehydraulicloadingwas0.24-0.86m3/(m2·h),theremovalrateofCODandTKNwas80%and87%,respectively.SSandcolorremovalratecouldreachmorethan95%.AnditcouldmeettheMeatProcessingIndustriesWaterPollutantDischargeorEmissionStandards(GB13456—92)firstordereffluentstandard.Keywords:slaughterwastewater,biologicalfilter,tandemanaerobic/aerobiccombinationofbiologi-calfilter0　,,、、、、、、,,,,[1-2]。,,(ASBR)[3]、(EGSB)[4]、(UASB)[5],,、。,A2/O(--)(AF1+AF2+BAF),,,,,;,:2009-08-08;2009-08-21:　,,1987,,,:。E-mail:[e-mail]·6·　　20102　　　Vol.16　No.2　　SS。,。1　1.1　,1。1.2　1.2.1　试验装置及参数1,A2/O,2,AF1-AF2-BAF。(AF1),(AF2)、(BAF),、、、1　COD/(mg/L)300～900550NH3-N/(mg/L)3～54.3/(mg/L)45～6550.5SS/(mg/L)200～500430/200～400280pH6.8～8.07.3/℃18～25201　2　/m/m/L/L/m/AF13.420.18485.658.52.204AF23.020.18475.046.51.754BAF2.620.18464.334.61.303、3。(),、,,BAF。1.2.2　[6],COD,NH3-N。(TKN),(SS),。3　/(g/cm3)/(g/cm3)/(m2/g)/%/%0.9091.5125.93327.4838.8,5～6mm,。0.9341.4326.22524.3837.2,3～5mm,。·7·　　20102　,:A2/O1.3　(4)4　AF1AF2BAFCOD/(kg/(m3·d))3.1～10.22.8～8.72.0～5.3HRT/h1.0～2.70.8～2.30.5～1.53∶1～6∶1/(kg/(m3·h))0.24～0.862　2.1　COD2COD300～900mg/L(550mg/L)COD。,COD,,COD900mg/L,COD,A2/O;COD50%,,,。,A2/O,0.2～1.0m3/(m2·h),COD80%,90%。COD80mg/L,60mg/L。GB13457—92《》(80mg/L)。2.2　TKNNH3-N2　COD　　5TKNNH3-N,,,NH3-N,TKN。,NH3-N、TKN,50%、87%,NH3-N10mg/L。、、、、,,5　TKNNH3-N/(m3/(m2·h))/(mg/L)/(mg/L)/(mg/L)/(mg/L)/%10.582TKN72.8870.2866.076.8090.67NH3-N10.5068.6957.305.2350.1920.425TKN69.1663.5756.458.9087.13NH3-N15.2160.6166.843.6176.2730.482TKN57.1955.6454.236.5288.60NH3-N13.2150.1151.225.8455.7940.780TKN64.6462.7861.717.4088.55NH3-N14.2055.2153.506.8052.11NH3-N58.59·8·　　20102　　　Vol.16　No.2　　NH3-N,NH3-N,NH3-N,NH3-NNH3-N[7]。,TKNNH3-N,TKN。TKN,,TKN。、,,,NH3-NGB13457—92(10mg/L)。2.3　SS3SS130～500mg/L(400mg/L)A2/OSS。,SS95%,SS50mg/L。SS,SS。,3。SS。,SS,100mg/L,SS。SSGB13457—92(60mg/L)。3　SS2.4　4200～300(280)A2/O。,95%,20。,。4　(C3032H4816O812N780S8Fe4),SS,。2α2β4,α141,β146。4。,,,,。。3　(1)0.24～0.86m3/(m2·h),A2/O,COD、NH3-N、TKN80%、50%、87%,SS95%。COD、NH3-N、SS80、10、50mg/L20,GB13457—92《》。(2),、,,、。(3)SS(95%),。(4)A2/O,,。,·9·　　20102　,:A2/O。,。　　　[1],,,.[J].,2003,34(6):9-13.[2],.[J].,2005,30(4):84-87.[3].[J].,2002,18(6):127-130.[4]MunezLA,MartinezB.Anaerobictreatmentofslaughter-housewastewaterinanexpandedgranularsludgebed(ECSB)reactor[J].WaterScienceandTechnology,1998,40(8):99-101.[5],,.A/O[J].,2007,33(11):68-70.[6].[M].3.:,1989:195.[7].SBR[J].,2007,33(2):29-30.,。,、,。·:“,,。,,,。”·,:“。,。”,。:“。”、·,,。,“。”,;。400,1/3,,。、·,。《》:,,,,,,,,。,?宁夏:刘保玉:“”。《》24:“,,;,、、、、、、、。”,、,,,,,,、、、,,。。。,,。宁夏银川市民生巷25号律师协会:李文成(律师):750004·10·　　20102　　　Vol.16　No.2