VFA作为厌氧生物学指标的可行性研究张仁瑞

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

  182Vol.18№21997  JournalofQingdaoInstitute ofArchitectureandEngineeringVFA作为厌氧生物学指标的可行性研究张仁瑞(,221008)  (VFA),VFA、、pH,VFA.VFA3(3VFA)/COD,FVFA3/CODBOD5/COD,VFA3/COD.,. VFA,,,, X17  ,BOD5,、,.,,,BOD5,.,BOD5、.1 VFA,.,,、、.,,.,,,,.,.,.VFA(VolatileFatlyAcld).VFA:1996-03-26,,VFA.VFA,,VFA,VFAn/COD.2 2.1 、,COD400mg/L.20℃,,,,4℃,.,1L1mL(BOD5).pH6.8~7.0,250mlBOD5,,、(),35±0.5℃.,.Na2SO3,4mg/L(),5-62.5%Na2SO3,Na2SO3Na2SO4,〔SO2-4〕=240mg/L,〔SO2-4〕=5000mg/L.2.2 VFA200ml500ml,10mL(1+1),,5mL/min,50mL250mL,2-3,0.1NNaOH,.VFA:VFA(mg/L,)=V(NaOH,mL)xMx60000V(,mL)×0.7 M——NaOH;60000——,mg;0.7——.3 VFA3.1 VFA,VFA,,,VFA.1 VFA1,,2VFA,3,4,.3,:①,VFA;②3VFA;③,.3.2 VFA352                            18VFA,,.VFA3,,,,,,2 VFA,2.,,,;,,,.,,.,、.,,.VFA3.,,,,〔1〕,.,VFA3.,,,,,3 VFA3VFA.,,VFA3.VFA3,,.3.3 VFA33VFA,VFA3.VFA320℃(a)1       (b)0.24 VFA3pH55℃5℃.20℃,35℃、55℃.3.3,35℃VFA3.35℃,,,35℃VFA3,.3.4 VFA3pH532            :VFA           VFA3pH,pH4.0~8.01pH,pH7.0VFA3,4(a).pH,0.2pH,pH6.8~7.0VFA3.4(b).pH.3.5 VFA3BOD5,,VFA3,,BOD5〔1〕,1VFA3BOD5、、、VFA3.1 VFA3OE0.5EE*2EE-①**E-②E-③E-④VFA3mg/L239.17293.12370.90354.71346.17301.21258.50313.35  *EBOD5,2E,.**①FeCl3;②CaCl2;③;④MgSO4;E-①FeCl3,.,BOD5,VFA3,VFA3,.,VFA2.2 VFA3d℃pH3356.8~7.0BOD55~62.5%Na2SO34 VFA3/CODBOD5/CODBOD5/COD,VFA3/COD.,BOD5/COD,VFA3/COD、.BOD5、VFA3、COD,BOD5/COD,VFA3/COD,F〔2〕,3.3 BOD5/COD、VFA3/CODBOD5/COD0.5370.3080.2830.3040.259VFA3/COD0.5110.3890.2450.3290.273VFA3/CODX1,BOD5/CODX2.S21=0.0089,S22=0.01018,S2254                            18S21,α=0.1,:∑n2i=1(x2i-u2)2∑n1i=1(x1i-u1)2=1.14,n2n1·FT(n2,n1)=S5F0.1(5,5)=3.45∑n2i=1(x2i-u2)2∑n1i=1(x1i-u1)2n2n1·FT(n2,n1),σ1=σ2,,X1,X2,VFA3/CODBOD5/COD.BOD5/COD,VFA3.VFA3.VFA3,,BOD5.VFA3/COD、.5 VFA3/CODBOD5/COD,,,、.,.、50mg/L,..,,,BOD5/CODVFA3/COD,4.4 VFA3/COD≥0.45≥0.350.350.256 (1)VFA,.Cl-C6VFA68%~85%,0.7[1];(2)VFA,COD300~400mg/L,COD400mg/L;(3),,;(4)VFA,pH;(5)VFA3/TOCBOD5/TOC.1 AmericanPublicHealthAssociation,AmericanWaterWorksAssociation,WaterPollutionControlFederation....:,1985.433,440~4442 ..:,1982.267~268(60)552            :VFA           denceforrubbertrianglebelt.KeyWords trianglebelttransmission,fatiguelosingefficacy,stressanalysis 王者静,男,38岁,讲师(55)StudyontheFeasibilityoftheVFAasAnaerobicBiologicaalIndexZhangRenrui(ChinaUniversityofMiningandTechonology,XuZhou)Abstract Newconceptionthatthevesatilefattyacid(VFA)regardedastheanaerobicbio-logicalindexispresentedinthispaper.TherelationshipsbetweentheVFA(VolatileFattyAcid)andtime,temperature,pHvalueandbacteriuminoculatingarediscussed.ThecriterionconditionofmonitoringVFAaremadecertainandVFA3(3daysVFA)/CODisusedtoex-presstheablityofanaerebicbiologicaldegardation.ThecorrelativelybetweenVFA3/CODandBOD5/CODwithFappraisalwayisappraisedandtheboundofnumbericalvaluehasbeenlaiddown.Atlast,thequestionintestingprocessandinpracticalusingprocessaredis-cussed.Thefutureinvestigativedirectionsaresuggested.KeyWords VFA,anaerobicbiologicalindex,anaerobicbiologicalindex,degardations'abili-ty,boundofnumbericalvalue,correlativity 张仁瑞,男,34岁,讲师60                            18

1 / 6
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功