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消化污泥双污泥反硝化聚磷系统污泥的培养与驯化作者简介史静(),女,博士生,主要从事水污染控制理论与技术研究,[]()吕锡武(通信作者),男,教授,博士生导师,1984()摘要以污水处理厂氧化沟污泥为泥种,采用进水低e mailshijing_seu@
163.com碳高磷、两阶段的运行方式进行反硝化聚磷污泥的培养,约成功驯化培养出e mailxiwulu@seu.edu.cn反硝化聚磷污泥第阶段以厌氧好氧的运行方式驯化好氧聚磷污泥,运行约100d,最大释磷量、最大聚磷量和最大除磷量分别可达到、、,表现1/出较强的聚磷能力;第阶段采用厌氧缺氧好氧的运行方式驯化反硝化聚磷污40d
77.
289.
425.0mg/l泥,运行,缺氧聚磷量占总聚磷量的百分比呈上升趋势硝化污泥经过的2//驯化可去除约的氨氮,硝化率基本稳定在以上硝化速率本符合零60d100d级动力学方程,比硝化速率常数为;好氧聚磷速率和缺氧聚磷速率基本50mg/l
98.5%符合一级动力学方程,速率常数分别是、()利用驯化培养成功00024h-1的反硝化聚磷污泥和硝化污泥进行了试验,结果表明在进水、氨氮和
0.3770740g/l·h-1磷分别为、、时,去除率分别为、和,驯a2n-sbr cod化培养的双污泥具有良好的脱氮除磷效果
188.
054.8725mg/l
93.5%
76.7%941%关键词反硝化除磷菌硝化菌脱氮除磷双污泥中图分类号文献标志码文章编号()a2n-sbr;;;;x703a16744764201203013808cultureandenrichmentofdenitrifyingphosphorusremoving,,,sludgeandnitrifyingactivatedsludge(,,,)shijing luxiwuzhanghuaiyu yangzixuan,()schoolofenergyenvironment southeastuniversitynanjing210096p.r.chinaabstract intheexperimentthedenitrifyingphosphorusremovingba,cteria dpbwascultivatedbyhighphosphorusandlowcarbonsourceinfluent.itwascultivatedsuccessfullybyt(he2)stagemodeforabout100d.thefirststagewasabout,40dwhichwaswiththemodeofanaerobic/aerobictoenrichtheph,osphorusaccumulatingorganisms paos.themaximumamountsofthephosphorusrelease,phosphorusuptakeandphosphorusremovalwere
77.2mg/l,
89.4mg/land250mg/lrespectively.thesecondstagewas60dwhichwaswiththemodeofanaerobic/anoxic/aerobic.inthisstage,theratioofdenitrifyingphosphorusuptakeamounttothetotalphosphorusuptakeamounthadanascendingtendency.thecultivationofnitrifyinga,ctivatedsludgewasabout100dwiththe50mg/lammoniaremovalamountandmorethan
98.5%ammoniaremovalefficiency.nitrificationratefittedzeroorderkineticequationandthespecificnitrificationrateconstantwas
0.0024h-(
1.)phosphorusuptakeratesfittedfirstorderabsorptionkineticequation.theuptakerateconstantsunderaerobicandanoxicconditionswere
0.377and
0.740l/g·h-
1.thecultivateddpbsludgeandnitrifyingactivatedsludgewereusedinananaerobic/an(),oxic/nitrification sequencingbatchreactora2n-sbr,,processtoremovenitrogenandphosphorus.whentheconcentrationsofinfluentcod,,ammoniaandphosphoruswere
188.0mg/l
54.8mg/land725mg/ltheremovalefficienciesofcod ammoniaandphosphoruswere935%
76.7%and
94.1%respectively.keywords a2n-sbr;denitrifyingphosphorusremovingbacteria;nitrifyingactivatedsludge;nitrogenandphosphorusremoval;two sludgesystem。
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