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1、摘要本文针对啤酒车间废水处理工艺进行初步设计。啤酒废水含有许多有机的物质,这些有机物浓度较高,虽然无毒,但易于腐败,排入水体要消耗大量的溶解氧,对水体环境造成严重危害。啤酒废水中BOD5/CODcr值高,在50%及以上,非常有利于生化处理。同时生化处理与物理法、化学法相比较;一是处理工艺比较成熟;二是处理效率高,CODcr、BOD5去除率高,一般可达80%~90%以上;三是处理成本低(运行费用省);经过对各种处理工艺的对比,最终选择UASB+生物接触氧化作为处理工艺。本工艺流程设有格栅、调节池,对污水进行预处理,去除水中较大的悬浮
2、颗粒和调节水质水量。生化处理采用生物接触氧化法,可提高有机物去除效率。沉淀池用来进行泥水分离。本流程简单稳定,对水量、水质的变化有很强的适应能力,同时确保出水的COD、BOD和SS以及总氮,总磷指标达到广东省地方标准《水污染排放限值》一级标准。通过初步预算,该工艺也将带来可观的经济效益和良好的环境效益。本文对格栅、调节池、UASB反应器、生物接触氧化池、二沉池、污泥池等主要构筑物进行计算,编制设计说明书,并绘制工艺流程、构筑物平面及高程、主要构筑物共四张图纸。关键词:啤酒废水;UASB;生物接触氧化;AbstractThisart
3、icleswastomakeapreliminarydesigndealingwithwastewaterfrombeerindustry.Brewerywastewatercontainsmanyorganicsubstances,whichcancauseseriousharmtotheaquaticenvironmentthoughconsumingalargeamountofdissolvedoxygen,althoughtheywerenontoxic.buteasytocorruption,intothewaterto
4、consumelargeamountsofoxygenintheaquaticenvironment,causingseriousharm.ThevalueofBOD5/CODcrofbrewerywastewaterwashigh,generally50%ormore,whichwasveryconducivetobiochemicaltreatment.Comparedtophysicalandchemicalmethod,biochemicalhassomeadvantage,suchasmaturetechnology,h
5、ightreatmentefficiency,whichCODcr,andBOD5removalratewashigh,generallyupto80%~90%,andlowoperatingcost.UASB+biologicalcontactoxidationwasfinallyselectedastreatmentprocessaftercomparingthevarioustreatmentprocesses.Firstofall,thePretreatmentprocesswascomposedbybarscreen,r
6、egulatingpond.Thewastewater’squalityandquantitywereregulatedandthelargesuspendedparticleswerealsoremovedinthispart.Biologicaltreatmentbybiologicalcontactoxidation,canincreasetheorganicmatterremovalefficiency.Trapsusedforspateseparation.Thissimpleprocessstability,water
7、,waterqualitychangetohavestrongadaptabilityandensurethatoutofthewaterBODandSSandCOD,totalnitrogen,totalphosphorusindexesreachguangdonglocalstandardsthewaterpollutionemissionlimits"firstgradelevel.Throughtheinitialbudget,thisprocesswillbringconsiderableeconomicbenefita
8、ndgoodenvironmentalbenefits.Inthispaper,thegrilling,adjustivepoolgrating,UASBreactor,biologicalcontactoxidationponds,theseco