豆奶粉废水生物处理技术袁秋笙

豆奶粉废水生物处理技术袁秋笙　倪广乐　曹恩伟　张恒建　李　燕(,221002)　维维集团第二生产基地污水处理设施为全国第一套豆奶粉废水处理设施。该设施采用了“UASB(AF)—活性污泥法”工艺。其中UASB(AF)反应器是国内最大规模的生产性UASB装置之一。　豆奶粉废水　生物处理1　　　,。1200m3/d,、、、,。,,“—[UASB(AF)]—”。1996,220,270,750m2。19975,。2　,24h1。1,BOD5:CODCr=0.53,。1　()BOD5/mg·L-1CODCr/mg·L-1SS/mg·L-1pH/m3·h-193.9.2～3.178033808007.0483　3.1　工艺流程1。,,UASB(AF)。UASB(AF),,。。,,。。1　1—;2—;3—UASB(AF);4—;5—;6—;7—;8—。3.2　工艺设计参数1200m3/d=50m3/h。BOD5=2000mg/L,CODCr=4000mg/L,SS=800mg/L,pH=7.0。BOD5≤30mg/L,CODCr≤100mg/L,SS≤70mg/L,pH=6～9。:(1):14.0h。(2)UASB(AF):CODCr=4000mg/L,CODCr=500mg/L,4.0kg/m3·d,t=25±5℃,1160m3。(3):CODCr=500mg/L,CODCr=100mg/L,2.0kg/m3·d。18　　　19988164DOI:10.13205/j.hjgc.1998.04.003(4):2.0m3/m2·h。3.3　实际运行状况19975,,,。UASB(AF)CODCr=1600～4900mg/L,3000mg/L,CODCr=150～400mg/L,300mg/L,CODCr90%。pH=5.02～6.26,5.54,pH=6.56～7.47,6.82。2.0～6.0kg/m3·d,3.0kg/m3·d。TSS=50kg/m3。T=25±2℃。R=0.46m3/kg。—CODCr=300mg/L,CODCr=80mg/L,CODCr73.0%。pH=6.8,pH=7.0。1.2kg/m3·d。:()():BOD5=1401.5～25.7mg/L,98.2%,CODCr=2720～75mg/L,97.2%,SS=1440～3.3,99.8%。4　2。2　　/·m-3　400kW·h/d0.20　6/d0.08　5%0.31　—0.60　　:0.60/kW·h,500/·,300d/a。1500m3/d,1.5t/d。450/d,270/d,0.23/m3。5　(1),。,,。、,“—”。UASB(AF),。,,。,、、、。,UASB(AF)。UASB(AF),。,、、,。UASB(AF)80,。UASB(AF)UASB(AF)。“UASB(AF)—”。(2)①　,,,。,。②　,,,。　,,196211,1983,。,。1997-12-0319　　　19988164CONTENTSAPPLICATIONOFCAVITATIONAIRFLOATANDCOAGULATINGSEDIMENTATIONTOTREATINGWASTEWATERFROMAPAPERMILLNingPingetal(7)…………Abstract　Theapplicationofcavitationairfloatandcoagulatingsedimentationtotreatingwastewaterfromapapermillisdescribed.TheremovalrateofCODcr,BOD5,TSSandTPofthepretreatedwastewaterfromthepapermillcanbeuptoarangeof90-99.5%aftertreatingbythetechnologyofcavitationairfloatandcoagulatingsedimentation.Thewaterqualityoftheefflu-entcanmeetgrade-IofWaterPollulantEmissionStandardforPapermakingIndustry(GB3544-92).Keywords　wastewaterfrompapermaking,cavitationairfloatandcoagulatingsedimentationWASTEWATERTREATMENTTECHNOLOGYBYDEEP-WELLAERATIONANDRUNNINGMaZhiliangetal(10)…………………………………………………………………Abstract　Therearelotsofadvantagesfortreatingwastewaterwithdeep-wellaeration.Bymeansofgettingdatathroughtreatingwastewaterfromabreweryandapharmaceuticalfactorybydeep-wellaeration,aswellascombiningwiththosefromforeignliteratures,thisarticleintro-ducesthetechnologyandsomeimportantparametersinrunning:(1)Thequantityratiobetweenupwardairanddownwardair;(2)air/waterratio;(3)oxygenusingrate;(4)shock-resistingload;(5)sludgeproductionquantity;(6)temperatureand(7)energyconsumption.Keywords　deep-wellaeration,upwardairquantityanddownwardairquantityTREATINGWASTEWATEROFCANSPRODUCTIONBYPHYSICOCHEMICALMETHODWangXiaowenetal(14)………………………………………………………………Abstract　Theauthorsofthisarticlesearchthesourceandthequalityandthedischargeamountofthecans-producingwastewater.Thetreatmentprocessof“theacidifyingdemulsifica-tion———limeneutralization———coagulatingsedimentation———filtration———activecarbonadsorp-tion”wasposed.Accordingtothetestresultinthelaboratory,thewastewatertreatmentstationofa400m3/dscalewasbuilt.Afterthewastewaterwastreated,everytargetwasinaccordwiththedemandsofsewagedischargestandard.Keywords　cans-producingwastewater,demulsification,coagulatingsedimentation,filtrationandactivecarbonadsorptionBIOLOGICALTREATMENTTECHNIQUEOFWASTEWATERFROMASOYA-BEANMILKPOWDERFACTORYYuanQiushengetal(18)………………………………………Abstract　ThewastewatertreatmentstationforthesecondproductionbaseofWeiweiGroupisthefirstonefortreatingwastewaterfromsoya-beanmilkpowderfactoriesinChina.UASB(AF)-ActivatedSludgeProcessisusedforthestation.TheUASB(AF)reactorisoneofthelargestUASBsinChina.Keywords　soya-beanmilkpowderwartewater,UASB(AF)-ActivatedSludgeProcess,vol-umeloadinganddischargeuptothestandardENGINEERINGEXAMPLEOFTREATMENTOFBREWERYWASTEWATERBYHY-2ENVIRONMENTALENGINEERINGAugust,1998.Vol.16No.4