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当前位置:首页 > 商业/管理/HR > 管理学资料 > 低温非丝状菌活性污泥膨胀的控制措施柴春省
(,277800),。60%,40%,50%[1]。,[1-2],[3]。,,。;,。1,:,;SVI、、。,MLSS、DO、、,,SVI400mL/g150mL/g,,。:;;;:X505:A:1009-2455(2017)04-0051-03Measurestocontrolbulkingofnon-filamentousfungusactivatedsludgeatlowtemperatureCHAIChun-sheng(ShandongZaozhuangConstructionEngineeringQualityInspectionStation,Zaozhuang277800,China)Abstract:Themechanismandcharacteristicsofbulkingofnon-filamentousfungusactivatedsludgeinamunicipalsewagetreatmentplantatlowtemperaturewereintroducedwiththeaffectofthissituationonsewagetreatmentanalyzedatthesametime.SVIvalue,microscopy,impressionswerepointedouttobethemethodstodeterminebulkingofnon-filamentousfungusactivatedsludge,besides,thesolutionmeasureswerealsointro-duced.Throughthemethodssuchas:usingphysico-chemicalmethodtoreformthecompositionandstructureoftheactivatedsludgeandimproveitssettlingperformance,adjustingandcontrollingMLSSandDOconcentrationofthebiochemicalsystem,stabilizinginfluentwaterquantity,insideandoutsiderefluxratioandsomeothertech-nologicalparametersandsoon,thesettlingperformanceofthesludgewaseffectivelyimproved,theSVIvaluede-creasedfrom400tobelow150mL/g,perfectmud-waterseparationeffectwasobtained,theeffluentwaterqualityafterthetreatmentreachedthedischargestandardstably.Keywords:municipalsewagetreatmentplant;non-filamentousfungus;activatedsludgebulking;controlmeasuresINDUSTRIALWATER&WASTEWATERVol.48No.4Aug.,2017·51·INDUSTRIALWATER&WASTEWATERVol.48No.4Aug.,2017。。1.1,。,,,,[1],,,[3],,;,,,。1.2,,,,,;,,COD、SS、TP;,,,COD、SS、TP,。212℃,,,SVI400mL/g。,15℃,;17℃,3~5d。2.1,,,。2.2:,、、。,[4]。:。,,[5],,;。2.3,SV30、SVI50%~300%。,,,,COD、[6]。,,SVI,、。,,30min,30minSV30。33.1,,,,1.002~1.006[7]。4:①;②;③;④。,,,,。3.1.1,、,,;,,,,,,SVI200mL/g。3.1.2·52·:,[3]。;,。:,,[8]。:,6%~10%()。:,。:,24h。MLSS4000mg/L,SVI400mL/g,10~15mg/L,SVI150mL/g,。3.1.3、,,,[9],。;,,。:、,。:。:,,。:,24h。,MLSS4000mg/L,SVI400mL/g,(20%)500~800mg/L,SVI150mL/g,,。3.2MLSS、DO、3.2.1MLSSSVI,MLSSSV30,,。,,。MLSS2500mg/L[10](,MLSS),12d。3.2.2、、DO、MLSS、ORP,,。,,,,,。70%,SVI150~200mL/g,。3.2.3,,,,。,,。4(1)、、、、,,,、、、MLSS、、。(2)、、、MLSS(60)·53·INDUSTRIALWATER&WASTEWATERVol.48No.4Aug.,2017、、,SVI、,,。,,,。:[1],,.[M].:,2002.[2],,.[J].,2003,34(6):49-51.[3],,.SBR[J].,2008,30(4):124-125.[4],,.MBR[J].,2012,28(7):99-102.[5],,,.[J].,2009,3(2):229-233.[6],,,.[J].,2004,25(6):62-63.[7]()GRADYJRCPL,()DARGGERGT,()LRMHC.:[M].2.,,.:,2002.[8].[M].:,1997.[9],,.(Densadeg)[J].,2008,24(18):40-42.[10],,.[M].:,,2001.:(1973-),,,,,,、、、、,()0632-8665689()chaichsh@126.com。:2017-03-13()mg/L,。4。5(1),、。(2)、(-、pH、),。(3)、、,。:[1],,,.[J].,2003,22(6):643-647.[2],,,.[J].,2016,47(3):49-51.[3],,,.[J].,2017,48(1):59-63.[4].[D].:,2008.[5],,,.[J].,2012,(6):46-48.[6],.[J].,2006,17(3):9-12.[7].[D].:,2005.4Fig.4Variationofphosphorusconcentrationincirculatingcoolingwateraftermeasureswastaken/dρB/(mg·L-1)1.21.00.80.60.40.20708090100110120130140150160:(1970-),,,,,,()0571-86605493()fengxd@zjentc.com。:2017-05-30()(53)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!·60·
本文标题:低温非丝状菌活性污泥膨胀的控制措施柴春省
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