城市污水厂生化污泥调理脱水研究

*310035、、4。4、2g/100mL7.07%15.22%。X705A1005－8206201003－0004－03BiochemicalSludgeDewateringinUrbanSewageTreatmentPlantsWangLei,XiaFeifei,ChenYi,LiYe,ChenKunbaiCollegeofEnvironmentalScienceandEngineering,ZhejiangGongshangUniversity,HangzhouZhejiang310035AbstractInfluencesoffourkindsofconditioneronbiochemicalsludgedewateringcharacteristicsofsewagetreatmentplantswerestudiedbymoisturecontentdeterminingexperimentationsoftreatedsludge,suchaslime,irontrichloride,flyashandcoalpowder.Theresultsshowedthatthedewateringeffectoflimeandirontrichloridewasbetter,andmosteconomicaldosagesoflimeandirontrichloridewere4g/100mLand2g/100mLrespectively.Undertheseconditions,themoisturecontentoftheconditionedsludgeswere7.07%and15.22%lowerthantheoriginalsludge.Keywordssludgedewatering;limeirontrichlorideflyashcoalpowderreclamation*1260XJ17091732009-12-14。、、、2。、、190%~97%2。、、。20%~50%70%3。。。、、4、。11.199.1%pH6.0。GZX-9076MBESX2-25-10。1.23SS4。22.11CaOCaO。100mLCaO0g/100mL4g/100mL76.14%70.76%CaO4g/100mLEnvironmentalSanitationEngineeringVol．18No．3June18320106·4·310g/100mL70.76%74.92%。CaO4g/100mL7.07%。Ca2+。、ECP5。。2.22FeCl3FeCl3。100mLFeCl30g/100mL2g/100mL76.14%64.56%FeCl32g/100mL6g/100mLFeCl36g/100mL8g/100mL66.28%62.23%FeCl310g/100mL。FeCl32、8g/100mL15.22%28.27%FeCl38g/100mLFe3+。FeCl36。FeCl3Fe3+。FeCl38g/100mLFe3+、。FeCl38g/100mL。2.33。100mL0g/100mL10g/100mL10g/100mL87.22%。。SiO2、Al2O3、CaO、MgO、Fe2O37。SiO2、Al2O3、CaO。。1CaO2FeCl33·5·18BiofertilizerProductionwithThermophilicLipolyticMicrobesJ.RenewEner－gy2007326904-915.5Marhuenda-EgeaFCMartinez-SabaterEJordaJetal.EvaluationoftheAerobicCompostingProcessofWineryandDistilleryResiduesbyTher－malMethodsJ.ThermochimActa20074542135-143.6KwonSHLeeDH.EvaluationofKoreanFoodWasteCompostingwithFed-batchOperationsUsingtheWaterExtractableTotalOrganicCarbonContentsTOCwJ.ProcessBiochem200439101183-1194.7.J.2006291254-58.8.M.2002.9ChangJITsaiJJWuKH.MathematicalModelforCarbonDioxideEvolutionfromtheThermophilicCompostingofSyntheticFoodWastesMadeofDogFoodJ.WasteManage200525101037-1045.1963—。2、2、320。[e-mail]。。。2.44。100mL0g/100mL10g/100mL10g/100mL91.44%。。C。。。。31CaO4g/100mL。2FeCl3FeCl32g/100mL。3。1.M..1995.2.J.2008232-35.3.J.199918313-134.4.M.4.2002.5.J.2003227499-507.6.M.2006.7.J.200816119-22.1989—。[e-mail]。43·6·