AB法在食品生产废水处理工程中的应用孙迎雪

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  :1001-4373(2004)04-0041-03AB孙迎雪1, 何国霞2(1., 730070;2., 741500) :针对该食品废水主要具有水量小,有机物和悬浮物浓度较高,排放水质、水量不均匀,具有较好的可生化性等特点,本工艺生化处理采用AB法.从机理方面分析了其可行性和效果的可靠性,从运行结果可知,处理后出水CODCr、BOD5、SS及动植物油的去除率均大于90%,各项污染指标均可达到国家行业排放标准.实践表明,该工艺处理高浓度食品加工有机废水具有抗冲击负荷能力强,处理效果好,运行稳定,处理费用低等特点.:AB法工艺;食品生产废水;应用:X703     :A0 AB(AdsorptionBio-degra-dation),BOD5、CODCr、SS、,,、.80[1].、、,.,,、,,AB,、、,,.3,,,.、.1 50~120m3/d,120m3/d.,,,1.,《》(GB8978-1996).1 Tab.1 Waterqualityofinfluentmg·L-1CODCrBOD5SS400~1900210~950150~110027~591503015015 :.2 (1).,.3 3.1 1):,,,,,;,、;、,[2].:2004-05-12:(1973-),,,,.23 420048()JournalofLanzhouJiaotongUniversity(NaturalSciences)Vol.23No.4Aug.2004.1 Fig.1 Technicalflowdiagramforthewastewaterdisposal  2)A:A,.,,A,A,,[3].A,,.3)AB:A,AB,:(1)B40%~70%,,45%;(2)A,B、,B,;(3)A,B,B,.3.2 1),8.0m×3.8m,1.95m,60m3.12h,,.,,.2)30%,40min,,5.7m×4.6m,1.8m.(PAC),,40~60mg/L.3)ABAB19.8h,A2.2~2.7kgCODCr/(m3·d),8.2h;B0.08~0.38kgCODCr/(m3·d),11.6h.150%.,(KBB),15∶1.4)AB,4.5m×5.4m,4.20m,,.4 200112,,,,.,:CODCr、SS、BOD5、NH3-N、《》(GB8978-1996).2..,,.,A,、,,,.B,、42()232 Tab.2 Detectingandevaluatingresultwiththeeffluent12/mg·L-1/mg·L-1/mg·L-1/mg·L-1/%/mg·L-1/mg·L-1/mg·L-1/mg·L-1/%CODCr294~1920102026~1157692.5268~1830100526~1046793.3BOD5199~96052014~292395.6126~93247612~282395.2SS248~122054526~493594.8165~110853222~493393.86.4~5526.20.05~6.34.284.01.7~5727.80.05~5.94.185.3,,A,.75,1.02/m3.5 AB,,,,,、,A.,,《》(GB8978-1996).,.:[1]  ,.[M].:,1993.[2] .()[M].:,2000.[3] ,.AB———[M].:,1997.ApplicationofABProcessinFoodProductWastewaterTreatmentSunYingxue1, HeGuoxia2(1.SchoolofEnvironmentalandMunicipalEngineering,LanzhouJiaotongUniversity,Lanzhou730070,China;2.GanguPrintingInkProcessingPlant,Gangu741500,China)Abstract:ABprocessisappliedtotreatfoodproductwastewater,whichhassmallerwaterflow,higherBOD5andSS,un-evenwaterflowandquality,andbetterbiodegradability.Itisfeasibleandreliablebytheanalysisofmechanism.Inaddi-tiontheresidualCODCr、BOD5、SSandEOineffluentaresmall.Itisalsoquitesuitabletomeetthenationalindustrywastewaterdisposalstandard.Practicaloperationprojectshowsthatthisprocesshasstrongerresistancetoimpact,higherefficiencyoftreatment,stablewaterqualityofeffluent,andlowerexpense,etc.Keywords:ABprocess;foodproductwastewater;application434:AB

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