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326Vol.32No.6199912JournalofHarbinUniversityofC.E.&ArchitectureDec.1999:1006-6780(1999)06-0016-03,,,(,150090):,,100%,COD97%,:;;:X703.1:ATreatmentofhighconcentrationChineseherbalmedicinewastewaterbylowpressuredistillationprocessCHENZhi-qiang,LUBing-nan,SUNZhe,RONGHong-wei(SchoolofMunicipal&EnvironmentalEngineering,HarbinUniversityofCivilEngineering&Architecture,Harbin150090,China)Abstract:LowpressuredistillationprocessisappliedtotreatChineseherbalmedicineorganicwastewater.Thiswastewaterhasthecharacteristicoflitterflow,highcolority,highconcentrationoforganism,highacidityandhightemperature.Itisdifficulttotreat.Weusethetechnologyoflowpressuredistillationtechnologytotreatthiswaterthroughlaboratoryanalysisandinvestiga2tion.TheremovalefficienciesofcolorityandCODreached100%and97%respectively.Andwerecyclethedistillatedwatertoflushherbalmedicine.Thistechnologyhastheadvantageoflowexpense,stableworkingandsimplemanageing.Keywords:lowpressuredistillationprocess;Chineseherbalmedicalwasteater;recycle,,,,,100m3/d,pH[1],11.1Q:100m3/dCOD:24000mg/L,BOD:17000mg/L,SS:700mg/L,pH:12:60,:7000,:,:1.21:1998-10-19:(1975-),,.17126:,,100m3/d60,pH121.3,,[2],,,,1.3.1,,11,,,,,1,COD,pH,COD95%,,,,COD600mg/L,COD97%,30,,,218323-1.3.2-,BOD/COD0.7,,,-[3],,,pH,,,,,,13h,6h,31.4,230,2.0/,130,,,,21.COD97%,100%2.,80t,,,3.,1304.,:[1].[J].,1997,(2):90-94.[2].[M].:,1993.[3].-[D].:,1998.