微波辐照下掺锰污泥活性炭的制备研究.pdf

№ ．6 陕西科技大学学报 Dec．2O1O Vo1．28 JOURNAIOFSHAANXIUNIVERSITY OFSCIENCE ＆·TECHNOIOGY · 13 · 文章编号 ：1000—5811(2010)06—0013—06 PREPAR Ⅱ0IN 0lFSLUDGE—BASED AND Ⅳh卜DOPED ACTIV E【D CARB0Nl USING T＼，ⅡCRo、 ：RADI oN PH0S H0RIC ACID SHAO Rui—hua～ ，FANG Ping～ ，SIQuan～yin。 (1．CollegeofEnvironmentalandM unicipalEngineering，Xian UniversityofArchitectureandTechnology， Xian710055，China；2．SchoolofEnvironmentalandChem icalEngineering，XianPolytechnicUniversity， Xian710048，China；3．ShaanxlEnvironmentProtectionAgency，Xian710004，China) Abstract：Thesewagesludge-basedactivated carbonsadded manganesedioxidewereprepared by microwaveradiationandchemicalactivatingbyphosphoricacidehloride (H3PO4)asactivatinga— gent．Andtheaffectingfactorsofsewagesludge-based activatedcarbonsarealsodiscussed．The effectofaffecting factorssuch asactivatorconcentration，microwavepower，radiation time and manganesedioxidemasswerestudiedsystematically．W heniodineadsorptioncapacitywasregarded asevaluatingindex，theoptimum preparationparameterswereobtainedasfollows：activatorcon— centration40 ，microwavepower320W ，radiationtime4min，manganesedioxidemass0．3 ． Theeffectsofvariousfactorsonpropertiesofactivatedcarbonareinthefollowingdescendingorder： microwavepower activatorconcentration radiationtime manganesedioxidemass．Sewage sludge-basedactivatedcarbonswerestudiedbySEM andTG． Keywords：sewagesludge；activatedcarbon；activate；adsorption；microwave；phosphoricacid CIC Number：X703．] DocumentCode：A 0 Introduction Althoughvariousmethodshavebeen usedtodisposeorutilizemunicipalsewagesludge，including incineration，land filling，land application，road surfacing，conversion to fertilizer，compression into buildingblocks，etc[·．，themainmet