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1、第16卷第2期海南师范学院学报(自然科学版)Vol.16No.22003年6月JOURNALOFHAINANNORMALUNIVERSITY(NATURALSCIENCE)Jun.2003文章编号:1671-8747(2003)02-0073-06Experimentalstudyonthetreatmentofrubberwastewaterwithself-immobilizedphotosyntheticbacteria(Ⅰ)1,2111XIEXiu2zhen,HANXiang-hong,XIEShou-yun,YUWei(1.Departmentof
2、Biology,HainanNormalUniversity,Haikou571158;2.CollegeofFoodandBiologicalEngineering,SouthChinaUniversityofTechnology,Guangzhou510640,China)Abstract:Experimentswereperformedtodeterminethebiodegradabilityofrubberwastewaterandevaluatetheeffectsofthreedifferentbiologicaltreatmentsusing
3、self-immobilizedphotosyntheticbacteriaontheCODcrremovalrate.Theresultsshowedthattherubberwastewaterhadgoodbiodegradabilityandwassuitableforbeingtreatedbyphotosyntheticbacteria.TheCODcrremovingcapacityunderanaerobic-aerobicconditionwashigherthanthatunderonlyanaerobicoraerobicconditi
4、on.Underpre-processingandanaerobic-aerobicconditions,theCODcrgrossre2movalratewas97.7%,allowingtheeffluenttomeettheNationalDischargeStandardofChina.Keywords:photosyntheticbacteria;self2immobilization;rubberwastewater;biodegradability;wastewatertreatmentCLCnumber:X172Documentcode:A5
5、HainanisthelargestnaturalrubberproducingareainChina.2.8×10ofdryrubber,makingup60%ofthetotalnationaloutput,isproducedannuallyby146factorieswhicharedistributedallovertheisland.Atthesametime,alargequantityofrubberwastewaterisproduced,mostofwhichisdischargeddirectlyand,asaresult,theenv
6、ironmentisseriouslycontaminated.Currently,thiswastewaterhasbe2[1]comeoneofthethreelargestindustrialpollutantsinHainanProvince.Therefore,developingamoreadvancedtechnologyforthetreatmentofrubberwastewater,whichrequireslowerconstructioncosts,low2erworkingcostsandallowstheeffluenttomee
7、ttheNationalDischargeStandardofChina,isapressingproblemforapromptsolution.Photosyntheticbacteria(PSB)isanlargegroupofprokaryoteswhichuselightasaenergysource.Sincethe1960’s,manyscientistshaveconfirmedthatthemetabolismofPSBcandramaticallycutdownontheBODandCODinorganicwastewater.Theco
8、nceptofusingthePSBinthetre
