废水活性污泥生物处理中的丝状细菌许宏良

许宏良(　210016)　　　　、;。　　　　　BriefDiscussiononFilamentousBacteriaintheWastewaterTreatmentofActiveSludgeXUHongliang(JiangsuChangzhouHigherVocationalSchoolofConstruction　Changzhou,Jiangsu210016)Abstract　Thekindsandcharacteristicsoffilamentousbacteriainthewastewatertreatmentarediscussed,aswellastheadvantagesanddis-advantages;theproducingcausesandcontrolmeasuresarealsodescribed.Keywords　filamentousbacteria　activesludge　wastewater　　,,、,,、。Eikeboom①;②;③、;④;⑤、;⑥、;⑦(PHB、),,29[1,2],、、。1　,,;,,,;。,,,,,。。:,,,,。:,,,-β-(PHB),PHB,,[3]。,、、、C/N。2　(1),。Seagin,,;,,,[4]。(2),。,Ksμmax,,Ksμmax,Smin;()、,[4]。(3)。,,,、。,,,,。,,。,,。3　,,(),。,。,,,,,SSBOD;,,,。4　①,;②;③pH,;④F/M,;⑤DO,·26·　　　　　　　　　IndustrialSafetyandEnvironmentalProtection　　　　　　　　2006328August2006熊昌贵　李凯　胡胜　金洪义(　430081)　　　　,。pH。、CODCr,Fe(OH)3。1～2g/L,CODCrGB168891997《》。　　　　　CODCrExperimentalStudyontheTreatmentforLeachatebyMicroelectrolysisXIONGChanggui　LIKai　HUSheng　JINHongyi(SINOSTEELWuhanSafetyandEnvironmentalProtectionResearchInstitute　Wuhan430081)Abstract　Micro-electrolysistechnologyisappliedtotreattheeffluentofleachatetreatedbybiochemicalmethod.ThetreatmenteffectworsenswiththeincreaseofpHvalue.AnalysisontheconcentrationofCODCrintheeffluentafterneutralizationandfiltrationshowsthattheabsorptionfunctionofflocculantFe(OH)3producedfrommicroelectrolysisisobvious.When1～2g/Lofactivecarbonpowderisadded,thedischargeconcentrationofCODCrcanreachtheGradeⅡofGB168891997“StandardforPollutionControlontheLandfillSiteforDomes-ticWaste”.Keywords　microelectrolysis　leachate　CODCr1　;⑥、,;⑦25～30℃,;⑧,H2S(1～2mg/L),[5]。5　,,:(1)。0.2～0.4kg/(kg·d),。。、,。。(2)。BOD5∶N∶P=100∶5∶1。N、P,,,,,。,,()。(3)DO。,DO2.0mg/L。,A/O。(4)。,,,。,,,。:(MLSS0.5%～0.8%,1mg/L,30min,0.5mg/L,120min)、(pH6.5,pH=8.5～9.0,、)。:,。(5)。:、、。(6)。(PFR)(SBR)。。1　..:,2002.12　,..,2000(2)3　,..:,20054　.().:,20005　..:,2002　许宏良,男,江苏省常州建设高等职业技术学校工程师、讲师,10年生产经验,5年环境专业教学经验。(:20051130)·27·2006328August2006　　　　　　　　　　　　　　　IndustrialSafetyandEnvironmentalProtection