ChinaPulp&PaperIndustryVol.26,No.4Apr.,2005213.13.23.33.44.14.2434.35.15.25.35.4StudyoncultivationofanaerobicsludgeinstrawpulpingeffluenttreatmentYANGQing,ZHANGAn-long(ShaanxiUniversityofScienceandTechnology,PaperMakingEngineeringFaculty,Xianyang,Shaanxi712081)Abstract:Inthepaper,itisanalyzedthecharacterofgranularsludgeinUASBreactor.ItisfurtherexplainedtheshapeprocessofgranularsludgebytheexperimentforcultivatinggranularsludgeinUASBwithalkalistrawpulpingeffluentbysulphuricacidprecipitating.Theinfluencefactorsofgranularsludgecultivatingarealsodiscussed.Keywords:UASBreactor;granularsludge;alkalinityChinaPulp&PaperIndustryVol.26,No.4Apr.,20055