高浓度活性污泥法处理啤酒废水最佳污泥负荷的研究邢奕

邢　奕(,100083)　陈利德(,100036)王　(,)　通过试验研究高浓度活性污泥法处理啤酒废水最佳污泥负荷的取值范围,利用SAS软件系统进行试验数据的统计分析、建立相关的数学模型,并利用工程数据加以检验。　高浓度活性污泥法　啤酒废水处理　污泥负荷　最佳污泥负荷　污泥浓度1　、、。(),,:,,,,。,6gL,,FM,。,5～10gL,:(1)。,,,,,,。(2),,。,,,;,,1,,。(3)。,,、,,。(4)。,,,,,。(5),。,COD。,,,,,、、。2　2.1　目的,(5～10gL),,COD。:(1)MLSS5～10gL;(2)、MLSSMLSS,;(3)SRT(120d),。,,、32　　　20046223DOI:10.13205/j.hjgc.2004.03.011、、,,。2.2　意义(1),,25%～50%。(2),(MLSS)(5～10gL),H2OCO2。,,10%～30%,20%～30%。(3)CODCr、BOD5、,。3　3.1　试验装置1。2,6cm,。,,。2,,。,,,。,。,,CODCr。1　2,2,。2:,,,。,,,;,22,。3.2　试验方法3.2.1　,,MLSS,。,、CODCrMLSS。,(1)、(2)、(3)、(4)CODCr、、CODCr。CODCr=CODCr1×V11000(1)Vy=MLSS×V2(2)N=CODCrV(3)η=CODCr1-CODCr2CODCr1×100%(4)　CODCr———CODCr　g;V———　g;N———CODCr　kg(kg·d);CODCr1———CODCr　mgL;CODCr2———CODCr　mgL;V1———　L;V2———　L;η———CODCr　%;CODCr,CODCr。,CODCr、,。3.2.2　SSMLSS。CODCr,。4　4.1　试验结果,。2h,1。CODCr1798.8mgL,MLSS06.24gL,33　　　20046223ΔMLSSMLSS(ΔMLSS=MLSS-MLSS0)。1　hCODCrmg·L-1CODCr%MLSSg·L-1ΔMLSSg·L-1CODCrkg·(kg·d)-12832.453.76.810.571.8584376.279.17.060.821.2096103.694.27.030.790.964873.295.96.850.610.7561057.896.86.670.430.6261250.997.26.490.250.5391445.397.56.520.280.4611630.798.36.540.300.4061834.598.15.92-0.320.3972042.297.75.73-0.510.3682240.697.75.09-1.150.3772420.198.95.07-1.170.3514.2　试验数据分析与模型建立1,6h,CODCr100mgL,CODCr(0.964kg(kg·d)),,;,,,;16～18h,CODCr0.4kg(kg·d),,,,;,,,。,(20～30℃),CODCr1000～2000mgL,5～7gL,CODCr0.4kg(kg·d)。SAS,、CODCr,(5)。ln(LOAD)=-5.429+0.411ln(COD1)+0.419ln(COD2)+0.175ΔMLSS(5)、CODCr,,CODCr1%,0.4110%;CODCr、,CODCr1%。0.4198%;,ΔMLSS1gL,17.54%。SAST-,2。2　SAST-TP1-5.4294331.22028213-4.4490.0002ln(CODCr1)10.4109730.177697682.3130.0300ln(CODCr2)10.4197900.060776636.9070.0001ΔMLSS10.1754340.116049341.5120.1442:,。2,CODCrP0.0300,5%,CODCr,CODCr。CODCrP0.0001,1%,CODCr,COD。P0.1442,15%,,。SAS(Goodness-of-Fit)82.95%,,CODCr、CODCr、82.95%。,。4.3　模型检验3。3　CODCrmg·L-1CODCrmg·L-1CODCr%MLSSg·L-1CODCrkg·(kg·d)-1135724182.21.910.956103213087.42.570.84611484196.43.360.6109312897.04.080.40712307494.06.230.35214988594.37.170.3738202097.67.690.2549683296.78.410.27415382898.28.740.3148612996.68.690.23612096095.08.820.32610664096.29.350.27114523297.89.470.3659271298.79.710.22713932698.19.940.33411625895.17.080.410:3。34　　　20046223ΔMLSS=0,CODCr1162mgL,CODCr58mgL,(5),CODCr0.436kg(kg·d)。CODCr、23。2　COD-LOAD　3　EFF-LOAD　CODCrCODCrdegree(polynomial)3,。2COD-LOAD(LOADCOD),COD0.45kg(kg·d),CODCr50mgL。CODCODdegree(polynomial)3,。3EFF-LOAD(EFFCODCr),COD0.5kg(kg·d),CODCr95%。23,CODCr0.45kg(kg·d)。CODCr0.436kgkg·d,,。5　5.1　结论(1)(20～30℃),CODCr1000～2000mgL,MLSS5～7gL,CODCr0.4kgkg·d。(2)、CODCr:ln(LOAD)=-5.429+0.411ln(CODCr1)+0.419ln(CODCr2)+0.175ΔMLSS,,。5.2　建议(1)CODCr,,。CODCr3:;;COD,CODCr,CODCr。(2),,CODCr;,,。(3),,。1　,.().:,1999.2　,,,,.SAS.:,1995.3　W.W、J.L..,..:,1997.4　,.,,..:,1990.117～180.5　,,..(),2003.26(1):145～149.6　..,2003.23(1):16～19.　　100083　30　　(010)62333434E-mail　[e-mail]2003-06-1235　　　20046223STUDYONTHEREMOVALOFBENZIDINEBYADSORPTIONINTHEAQUEOUSSOLUTIONUSINGZrO2NANOMETERPOWDERSASABSORBENTYangDianhaietal(22)…………………………Abstract　TheadsorptioneffectofbenzidineonZrO2nanometerpowdersintheaqueoussolutionisstudied.TheresultsshowthathydrogenbondcanbeformedbybenzidineandhydroxylgrouporhydroneonthesurfaceofZrO2powders,buttheonebybenzidineandhydroxylgroupisslightlystrongerthantheonebybenzidineandhydrone,theremovalefficiencyisabout61%.TheadsorptionsystemcanbewellinaccordwithisothermalequationsofFreundlichandequationdeBoer-Ziwkker.Thethermogravimetricanddifferentialthermalanalysesdemonstratedthattherehasaweakadsorptionbetweenbenzidineandnanometerpowder.Keywords　ZrO2nanometerpowders,benzidineandliquidadsorptionPROJECTOFTREATINGCASSAVACITRICACIDWASTEATERBYANAEROBICPROCESSGuoYongfuetal(24)………………………………………………………………………………………………………………Abstract　ThesystemofwastewatertreatmentofacitricacidplantofJiangsu,whichusescassavaasitsmainrawmaterialafterreconstructingthefermentjarasUASB.Theresultsshowthatwhenthetemperatureoftheinfluentkeeps38～42℃andtheCODCrislessthan1000mgL,theremovalrateofCODCrisupto95%,andtheorganicloading(CODCr)is9kgm3·d.Thegranulationofanaerobicsludgeisrealized.Someexperienceanddatawereacquiredinthepractice,whichmaybeareferencefordesignoroperationofUASBreactor.Keywords　cassava,citricacid,anaerobicreactorUASBandwastewatertreatmentTREATMENTOFTEXTILECOMPREHENSIVEWASTEWATERBYHYDROLYTICACIDIFICATION-BIOLOGICALCONTACTOXIDIZATION-BLEACHINGANDDECOLORATIONPROCESSXiaoYunanetal(27)…………………………………………………………………………………………………Abstract　TheconditionsofthetextilecomprehensivewastewaterdischargedbyYidaTextileLimitedCompanyareasbelow:pH10～14,CODCr1000～1500(mgL),BOD5300～450(mgL),SS300(mgL),S2-3(mgL),wastewatertemperaturebetween40and50℃anditscolorityrangingfrom400to600times.Theeffuentiscontrolledwithinthedischargingstandardsbyusinghydrolyticacidification-biologicalcontactoxidization-bleachinganddecolorationprocess.Afteroperationformorethantwoyears,theoperationalresulthasshownthattheeffluentqualitykeepsstable.Keywords　textilecomprehensivewastewater,hydrolyticacidification,biologicalcontactoxidation,bleachinganddecoloration.TREATINGWASTEWATEROFREGENERATIVEPAPERFROMWASTEPAP