F-M对活性污泥胞内贮存物及脱氮除磷性能的影响
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2020-01-23 13:31:07
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第41卷第2期2013年3月河海大学学报(自然科学版)JournalofHohaiUniversity(NaturalSciences)Vol.41No.2Mar.2013DOI:10.3876/j.issn.1000-1980.2013.02.006收稿日期:2012-05-31基金项目:国家自然科学基金(51008112)作者简介:方芳(1982—),女,安徽蚌埠人,讲师,博士,主要从事废水生物处理研究。E-mail:ffang65@hhu.edu.cnF/M对活性污泥胞内贮存物及脱氮除磷性能的影响方芳1,2,鲍晓静1,江慧1,操家顺1,2(1.河海大学浅水湖泊综合治理与资源开发教育部重点试验室,江苏南京210098;2.河海大学环境学院,江苏南京210098)摘要:为研究污泥负荷(F/M)和碳源类型对活性污泥胞内贮存物的形成、转化及反应器脱氮、除磷性能的影响,在碳源分别为乙酸钠、葡萄糖和模拟生活污水条件下通过间歇试验研究F/M分别为0.46g/(g·d)和0.36g/(g·d)(以单位质量污泥计)时,胞内贮存物聚羟基烷酸酯(PHA)和糖原的含量变化以及反应器系统的脱氮、除磷性能。试验结果表明:不同碳源反应器中胞内贮存物含量的变化以及系统的脱氮、除磷性能存在较大差异,以乙酸钠和模拟生活污水为碳源时,活性污泥胞内最高PHA质量比分别为90.5mg/g和47.3mg/g(以单位质量挥发性污泥计),高于葡萄糖为碳源时的含量;F/M为0.46g/(g·d)时,胞内贮存物的含量高于F/M为0.36g/(g·d)时的含量,且系统的脱氮、除磷效果较好。关键词:污泥负荷;胞内贮存物;聚羟基烷酸脂(PHA);糖原;脱氮、除磷性能中图分类号:X705文献标志码:A文章编号:1000-1980(2013)02-0125-05InfluenceofF/Monintracellularstorage,andnitrogenandphosphorusremovalinactivatedsludgeFANGFang1,2,BAOXiaojing1,JIANGHui1,CAOJiashun1,2(1.KeyLaboratoryofIntegratedRegulationandResourceDevelopmentonShallowLakes,MinistryofEducation,HohaiUniversity,Nanjing210098,China;2.CollegeofEnvironment,HohaiUniversity,Nanjing210098,China)Abstract:Toinvestigatetheinfluenceofsludgeload(F/M)andtypeofcarbonsourceontheformationandtransformationofintracellularstorageandnitrogenandphosphorusremoval,thevariationofpolyhydroxyalkanoate(PHA),glycogencontent,andnitrogenandphosphorusremovalwerestudiedundertheconditionsofF/Mbeing0.46and0.36g/(g·d),withthecarbonsourcebeingsodiumacetateandglucose,bysimulatingsyntheticdomesticwastewaterthroughbatchexperiments.Theresultsshowthatdifferentcarbonsourceshaddiscrepantinfluencesonintracellularstoragevariationandnitrogenandphosphorusremovalefficiency.ThePHAcontentof90.5and47.3mg/g,withsodiumacetateandsyntheticdomesticwastewaterascarbonsources,washigherthanthatwithglucose.Furthermore,ahighintracellularstoragecontentandeffectivenitrogenandphosphorusremovalwereachievedasF/Mreached0.46g/(g·d),comparedwithwhenF/Mwas0.36g/(g·d).Keywords:F/M;intracellularstorage;polyhydroxyalkanoates(PHA);glycogen;nitrogenandphos
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