硅钙材料添加对污水处理厂剩余污泥泥水分离性能的影响冯庆革

36320116JournalofGuangxiUniversityNatSciEdVol．[e-mail]。1001-7445201103-0500-06530004、、、。SVI2/372%72%CODCr420%～25%1.5。TU992.3AInfluenceofcalciumandsiliconmaterialsondewaterabilityofsludgefromsewagetreatmentplantFENGQing-geLINNai-xiWANGDong-boWEIXuZENGYiCollegeofEnvironmentGuangxiUniversityNanning53004ChinaAbstractTheinfluencesofcalciumandsiliconinorganicmaterialsoncapabilityofgravityconcen-trationqualityofsludgespecificresistanceandcoefficientofcompressibilityofsludgefromsewagetreatmentplantwereinvestigated．Theresultsshowedthatsupplementofacertainamountofsiliconandcalciuminorganicmaterialscouldimprovethespeedofsettlementeffectivelysludgevolumein-dexSVIdecreased2/3oforiginalsludgeremovalofturbidityofsludgewaterandTPwasboth72%butCODCrincreasedby4timesspecificresistancedecreasedby20%～25%andcoefficientofcompressibilitywas1．5timesoforiginalsludge．Inadditioncalciumandsiliconinorganicmate-rialscoulddecreasemoisturecontentandsolidcontentofsludgeadjustcomponentsofsludgeandmakeitbettermeettherequirementforbuildingmaterials．Keywordscalciumandsiliconmaterialssewagesludgedewaterabilitysewagetreatmentplant。9×106t/1。、、。2。“”———DOI:10.13624/j.cnki.issn.1001-7445.2011.03.0233、、3。、①②。。4。、。、、、。。11.11。CaOSiO268%25%Al2O3。1Tab.1BasicpropertiesofsludgepH、/%8、988、961.20%、5%、10%、15%、20%、30%、40%TA6300r/min0.5min150r/min5min70r/min10min1000mL1、3、5、10、15、20、30minSVIpH20mLHACH2100AH。GB11893－89CODCrTP。100mL、0.07、0.08、0.09MPars。22.12.1.1156。15min。2SVISVI1g。40%SVI2/3、9。7CaOH283。。105361Fig.1Effectofdifferentcalciumandsiliconinorganicmaterialdosageonsedimentationrateofsludge2SVIFig.2EffectofdifferentcalciumandsiliconinorganicmaterialdosageonSVIofsludge3Fig.3Effectsofcalciumandsiliconinorganicmaterialonparticlesofsludge2.1.2pH4pHCaOCaOH2pH40%pH11。、、pH6～910。。2.25261NTU15%37NTU87%。。。15%。20534pHFig.4EffectsofdifferentcalciumandsiliconinorganicmaterialdosageonpHofsludge5Fig.5Effectofdifferentcalciumandsiliconinorganicmaterialdosageonturbidityofsupernatant6＜20%CODCrCODCr40%CODCr4。CODCr11。730%72%。。。6CODCrFig.6EffectofdifferentcalciumandsiliconinorganicmaterialdosageonCODCrofsupernatant7TPFig.7EffectofdifferentcalciumandsiliconinorganicmaterialdosageonTPofsupernatant2.3rs80.07、0.08、0.09MPar2.41×109、2.70×109、2.93×109s2/g11。0%～15%r20%rr30.29%、7.40%、13.37%。Tiller12。30536915%5%CaOH2。OH－13。8Fig.8Effectsofdifferentcalciumandsiliconinorganicmaterialdosageonspecificresistanceofsludge9Fig.9Effectsofdifferentcalciumandsiliconinorganicmaterialdosageonmoisturecontentofwaterofsludgecake10Fig.10Effectsofdifferentcalciumandsiliconinorganicmaterialdosageoncoefficientofcompresssibilityofsludges10。5%～20%2。1415。3①。②15%～20%82%～86%CODCr77%～153%34%～49%。37.6～46.3NTUCODCr156～223mg/L8.17～6.39mg/L。③20%15%。pH。1.EB/OL.2010-12-152011-04-10．http//．igsnrr．ac．cn/xwzx/zhxw/201012/t20101215_3044854．html．2.J.200613262-65．40533.J.200933730-731．4.J.2006221382-84．5.J.2010263285-290．6.J.2006291112-115．7.J.200328122-25．8.J.1989567-11．9.J.20083435200-201．10.J.200726557-59．11.J.200739101591-1595．12TILLERFMYENCS.RelativeliquidremovalinfiltrationandexpressionJ.F＆SM/A1999136-38．13.D.2006．14.J.200828102012-2017．15.J.20071043104-106．櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏殽殽殽殽《》“”《》20103“”。1000。、。2006、200820103。。《》、。、、。505