IC反应器中剩余污泥的厌氧消化试验研究副本

:1005-7854(2007)03-0073-04IC,,,(,113001):IC,,12d,8d,COD,,70%,,56%:;;;;IC:X70311;X70313:ARESEARCHONANAEROBICDIGESTIONOFTHERESIDUALSLUDGEWITHICREACTORWANGGuang2hui,YUBing,ZHANGZhi2fan,ZHANGHong2lin(SchoolofEnvironmentalandBiologicEngineering,LiaoningUniversityofPetroleum&ChemicalTechnology,Fushun113001,Liaoning,China)ABSTRACT:ThetestisconductedonexperimentsofanaerobicdigestionwithICreactorundermesophilicandhightemperatureconditionsforresidualsludgefromSanbaotunwastewaterplantinfushun,andthefeasibilityofanaerobicdigestionprocessisinvestigated1TheresearchresultshowsthattheremovalrateofCODandpro2ducingairquantitiesundermesophilicandhightemperatureconditionsaresteadyaftercontinuousproducingsludgerespectivelyfor12or8days1Themethanecontentinairisover70%1Flocculationexperimentshowsthatthemudcakevolumeoftheequalweightdigestivesludgeafterflocculatingis56%,comparedtorawsludge1KEYWORDS:residualsludge;anaerobicdigestion;mesophilictemperature;hightemperature;ICreactor:2006-12-20:,,:1,,,,:(),,;,,,,1111,,,24h116320079MINING&METALLURGYVol.16,No.3September2007©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(mgL-1)BOD/(mgL-1)pHVFA/(mgL-1)TS/%VS/%/(mgL-1)/(mgL-1)TN/(mgL-1)702001900028000120001700071271524120214316115215102194369610001200112COD:;BOD:BOD;pH:PHS-3B;:;:;VFA:;TSVTS:1131IC,USAB,016m,6,5:IC,1(IC)Fig11Sketchmapofanaerobicreactor(IC)withinternalcirculation221191,(35)(53),8%,,CODNH3-NVFApH,,,,2025d;1012d21111COD,COD29769mg/L24044mg/L6092mg/L8847mg/L,COD77%65%;COD,5450mg/L3162mg/L,1507mg/L880mg/L,2,,COD,COD;,CH4CO2H2COD2CODFig13ChangesofCODintheprocessofresidualsludgedigestionunderhighandmesophilictemperatureconditions21112pHpH,,,,pH,pH,pH518,pH718,pH,,pH77163,pH,pH671647©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,,;,,,,;,;4VFAFig14ChangesofVFAintheprocessofresidualsludgedigestionunderhighandmesophilictemperatureconditions21114,(H2CO3VFA),(pH),,VFA,20005000mg/L,1000mg/L,pH,,5,,,,,;,65Fig15Changesofalkalinityintheprocessofresidualsludgedigestionunderhighandmesophilictemperatureconditions6Fig16ChangesofNH4+-Nintheprocessofresidualsludgedigestionunderhighandmesophilictemperatureconditions21115,,;,,;57:IC©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(CPAM),011%,100mLCPAM,;(ABS),;(SV),232Table2ResultsofflocculationexperimentCPAM/mLSV/%ABSCPAM/mLSV/%ABSCPAM/mLSV/%ABS110108501287108601283220870129115710121115700122133075012042062011422064011374407001183256001153256201151545620115730750129030750130265075013704080014584082014963Table3ChangesofSVandwaterratioincakebeforeandafterflocculatingSV/%/%SV/%/%998913628612908212607416908216627517,011%(CPAM)100mL452525mL;;;,75%,,56%;,,,3(1),,2025d;1012d,(2)ICpH615715,2000mg/L,,700800mL,(3)(35),20d,COD77%,6012%;(53),12d,COD65%,5214%(4)IC,,60%,75%:1,,1[M]1:,200512,1[J]1,2005(6):36-3813ZhaiYunbo,WeXianxun,ZengGuangming1Effectofpy2rolysistemperatureandholdtimeonthecharacteristicpa2rametersofadsorbentderivedfromsewagesludge[J].JournalofEnvironmentalSciences,2004,16(4):683-68614,1[M]131:,1994167©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.