UASB处理沤麻废水回用于沤麻的试验任友昌

:2010-03-22:(14036076):(1975-),,,。UASB任友昌1,宁　平2,冯权利3(1.,　650033;2.,　650093;3.,　650224)　:UASB,24h,COD6000～7100mg·L-1,COD2000mg·L-1,COD60%;UASB,CODpH,COD2000mg·L-1,80h,10h,COD2000mg·L-1,,COD2000mg·L-1。:UASB;;;:S216.4;X703　　:A　　:1000-1166(2010)05-0007-03TreatingofFlaxRettingWastewaterbyUASBforReuseonFlaxRetting/RENYou-chang1,NINGPing2,FENGQuan-li3/(1.FacultyofEnvironmentalEngineering,KunmingMetallurgyCollege,Kunming650033,China;2.FacultyofEnvironmentalScienceandEngineering,KunmingUniversityofScienceandTechnology,Kunming650093,China;3.FacultyofChemicalEngineering,KunmingUniversityofScienceandTechnology,Kunming650224,China)Abstract:Inthispaper,treatmentandrecyclingofflaxrettingwastewaterbyUASBreactorhasbeenconducted.TheresultprovedthatCODarereducedfrom6000～7100mg·L-1toabout2000mg·L-1with24hretentiontimeinUASBreactor.Theremovalratekeptover60%.Andthetreatedwastewaterwasusedtoflaxrettingagain.TheCODandpHchangesaresimilarwithflaxrettingwithtapwater.WhentheCODoftreatedwastewaterwaswithin2000mg·L-1,therettingtimeofflaxisabout80hoursinreuse,anditwas10hoursshorterthantherettingwithtapwater.WhentheCODwasgreaterthan2000mg·L-1,therettingtimewaslongerthantherettingwithtapwater,whichindicatedthatitisfeasibletoreusethetreatedflaxrettingwastewaterwhentheCODwaswithin2000mg·L-1.Keywords:UASBreactor;flaxrettingwastewater;reuse;retting　　,[1]。,[2],“”“”,,[3],,。,[4]。1　1.1　材料:;:。1.2　试验装置UASB、,1。UASB,:10×10×70cm20×20×30cm,16L,,。,,10cm,UASB,。1.3　主要分析项目及检测方法COD:HH-6COD;7ChinaBiogas2010,28(5)1　UASB　　:37XB-DM;pH:PHB-1。1.4　试验方法(1)6～8cm,500mL,15g,1∶10,35℃±1℃,pH,(SPJ-160B),。(2),COD,COD1000mg·L-1,1500mg·L-1,2000mg·L-1,2500mg·L-1,3000mg·L-1,,。,pHCOD,。(3):[5]。2　2.1　UASB处理沤麻水试验2.1.1　UASB,UASBCOD(2)。　　2,,UASBCOD,24h,COD2000mg·L-1,。24h。　　COD,4h,,;4～8h,;,,,,COD。2　UASBCOD2.1.2　ASBCODCODUASBCODCOD3,4。　　3,4,COD6000～7100mg·L-1,UASB,24h,COD1779～2198mg·L-1,UASBCOD60%。2.2　UASB处理沤麻水回用沤麻试验2.2.1　CODUASB,COD5。　　5,CODCOD,COD,CODCODCOD。2.2.2　pH8ChinaBiogas2010,28(5)5　CODCOD　　pH6,7。,,pH;,,,,,pH。2.2.3　COD8。8,COD10001500mg·L-1,80h,10h;COD2000mg·L-1,,90h,COD2500mg·L-1,128h,,。COD2000mg·L-1。COD、,,;COD,。8　COD2.2.4　,COD。3　(1)UASB,COD6000～7100mg·L-1,UASB,24hCOD1779～2198mg·L-1,UASBCOD60%,。(2)UASB()COD2000mg·L-1。,UASB。:[1]　MetcalfEddy,Inc.WastewaterEngineeringTreatmentandReuse,[M].:,2004.6.[2]　.[J].,2004,26(6):293-296.[3]　WHMorrison,DDArchibal,HSSSharma,DEA-kin.Chemicalandphysicalcharacterizationofwater-anddew-rettedflaxfibers[J].IndustrialCropsandProducts,12(2000):39-46..[4]　.[D].,:,2007.[5]　JeffDEvans,DannyEAkin,JonnAFoulk.Flax-ret-tingbypolygalacturonase-containingenzymemixturesandeffectsonfiberproperties[J].JournalofBiotechnol-ogy,1997(2002):223-231.9ChinaBiogas2010,28(5)