骨架构建法进行污泥固化处理的试验研究

1,1,2,1(1.,210098;2.,210098):,,,,,,:;;;;:X703.1:C:1000-4602(2005)06-0041-03ExperimentalStudyonSludgeSolidificationbyUsingSkeletonConstructionMethodLILei1,ZHUWei1,2,LINCheng1(1.SchoolofCivilEngineering,HohaiUniversity,Nanjing210098,China;2.SchoolofEnvironmentalScienceandEngineering,HohaiUniversity,Nanjing210098,China)Abstract:Becauseoflargeconsumptionofcementandlowstrengthexistingintheuseofcementforsludgesolidification,anideawasproposedontheuseofwastesilttoconstructcementskeletonforsludgesolidification.Theexperimentalresultindicatesthatadditionofsiltgreatlyupgradssludgesolidifi2cationstrength,whichmeetstherequirementforthelandfillandsludgereclamationandreuse.Itachievestheobjectivesofwastecontrolwithwaste.Themulti2objectiveoptimizationdesignmodelwassetuptoobtaintheoptimalsludgesolidificationscheme,bymeansofwhichtheoptimalamountofcementandsiltadditionwasattained.Keywords:sludgetreatment;solidification;silt;skeletonconstruction;optimization:(50379011);,,,,,132.5#,,,,;120%,40%1,,1421620056CHINAWATER&WASTEWATERVol.21No.6Jun.2005(22.5)1,3.91cm8cm,(2min)1d,(7d),(qu)1Tab.1Experimentalschemekgkg-1cs0.100.20.40.60.81.21.62.02.42.83.20.200.20.40.60.81.21.62.02.42.83.20.400.20.40.60.81.21.62.02.42.83.20.600.20.40.60.81.21.62.02.42.83.22211(7d)121Fig.1Relationshipbetweenunconfinedcompressionstrengthandcementaddingquantity2Fig.2Relationshipbetweenunconfinedcompressionstrengthandsiltaddingquantity12:,,20%6,,,,,,,,,,,,()(),(3),,3Fig.3Relationshipbetweensiltaddingquantityandcementminimumaddingquantity212,,,24621,,,,,,,213[1],,,(),,,,:,3,,,,,,,:mincost=cost11++costnn(1)costcostiiii,,:min=P(1,2,,n)(2),[2],:qu=f(1,2,,n)q01,2,,n0(3)q0(1)(3),:qu=0.06+735.4cs-141.52sc+7.22s+19.3c-51s(4)=1.08+0.2cs+0.22c+0.62s(5),[2],25kPa,50kPa,:min{cost,}qu50c,s0(6)(4)(5)c=0.22kg/kgs=0.47kg/kg,66/t(300/t),1.39,630/t,1.844,,,:[1],.[J].,2001,327(4):12-15.[2],,.[J].,2004,20(4):27-30.:[phone]E-mail:[e-mail]:2005-02-17346,:21