电化学水处理新技术问世_钱伯章

SLUDGECHARACTERISTICSINASUBMERGEDDOUBLE-SHAFTROTARYANAEROBICMEMBRANEBIOREACTORBaiLing1,LiuChao2,HuKan1,WangShenxiang1（1.CollegeofNaturalScience，JiangxiAgriculturalUniversity，Nanchang330045,China；2.CollegeofComputerScienceandTechnology,JiangxiNomalUniversity，Nanchang330027,China）Abstract:Thesludgecharacteristicswasstudiedtreatmentforsyntheticbrewerywastewaterbysubmergeddouble-shaftrotaryanaerobicmembranebioreactor（SDRAnMBR）.Theresultsshowedthatsludgehadhighactivity,rotaryshearstresscannotdisruptanaerobicbio-solids,andhadwellsludgeflocs.Thesecharacteristicscoulddecreasetheeffectonsludgeactivityandparticlesizecomefromtheshearstressexcessbigness，restrainspeedinessaccumulationofextracellularpolymericsubstances(EPS)insludgemixedliquorduetoMLSSaccretion，aswellasrestrainspeedinessaccretionofsludgedynamicviscositytoo.Therebymembranefoulingwasreducedconsumedly.ItwasrealizedsteadyrunningwhenoperatedatbiggishMLSS（be-tween18to19.5g·L-1）,higherEPS（between50.9to63.9mg·gMLSS-1）,smallsludgeparticlesiz