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当前位置:首页 > 行业资料 > 冶金工业 > EGSB接触氧化法处理碎煤加压气化废水试验研究于广欣
EGSB-于广欣1,张振家2,纪钦洪1,朱花2,盛金鹏1(1.,100015;2.,200240)[](EGSB)-,。:EGSB48h,COD、、500~800、150~200、20~40mg/L,。64h,COD70%,80%,。-,GB8978—1996。[];;;[]X703.1[]A[]1005-829X(2014)02-0055-05ExperimentalstudyonthetreatmentofwastewaterfromcrushedcoalpressuringandgasificationbyEGSB-contactoxidationprocessYuGuangxin1,ZhangZhenjia2,JiQinhong1,ZhuHua2,ShengJinpeng1(1.CNOOCNewEnergyInvestmentCo.,Ltd.,Beijing100015,China;2.ShanghaiJiaotongUniversity,Shanghai200240,China)Abstract:Expandedgranularsludgebed(EGSB)-contactoxidationprocesshasbeenusedfortreatingthewastewa-terfromcrushedcoalpressuringandgasification.Theremovingefficacyofpollutantsanditsrelevantparametersareinvestigated.Experimentalresultsshowthatwhenthehydraulicretentiontime(HRT)ofEGSBis48h,theeffluentCOD,totalphenols,volatilephenolsare500-800,150-200,20-40mg/L,respectively,indicatingtheremovingeffi-cacyiscomparativelygood.WhentheHRTofcontactoxidationprocessis64h,CODremovingratecanbeabove70%,theremovingrateoftotalphenolsisaround80%,andvolatilephenolscanberemovedcompletely.Aftercon-tactoxidationeffluenthasbeentreatedbyozoneoxidation-aerobicfluidizedbed,themaineffluentparameterscanmeettherequirementsofthefirstgradestandardofGB8978—1996.Keywords:coalgasificationwastewater;expandedgranularsludgebed;contactoxidation;totalphenols〔1〕,,,〔2〕。,,、、,“”,〔3〕。,,、,。。1200mg/L,(<400mg/L),COD、,,〔4〕。-、SBR〔5〕,。,〔6〕、/〔7〕,;,A-〔8〕。,,(EGSB)-,34220142IndustrialWaterTreatmentVol.34No.2Feb.,201455、、,。11.1。,B/C(0.15),,、。,300mg/L,(COD3800~4400mg/L,850~950mg/L,450~530mg/L,230~300mg/L,pH8.5~9)3,。:COD1200~1500mg/L,280~320mg/L,150~180mg/L,80~100mg/L,pH8~9。,-。,,、、、、。1.2EGSB,,,13.4L,。,。、。,。,,,,。(),,,。,14.1L,,,。。,,。,。,,。1.3GB11914—1989《》COD;HJ505—2009《》BOD5;HJ502—2009《》;HJ535—2009《》;GB11901—1989《》;HJ637—2012《》;GB6920—1986《pH》pH;GB119023—1989《》;-。1.4EGSB,,40%。EGSB,COD1000mg/L,,,。EGSB,HRTEGSBCOD、、,。,EGSB,SBR,,。COD、,-,。EGSB(35±2)℃,,EGSB。22.1EGSBEGSB,、3,2014-02,34(2)561,1、23。1EGSB1EGSBCOD2EGSBEGSB96h,,。,COD、。,,,,COD、。,,COD、。3,EGSB,。3EGSB,48h,EGSB。,,。2~3,,EGSB,COD500~800mg/L、150~200mg/L、20~40mg/L,,。2.2EGSB,EGSB,3125h。EGSB,,64h。45。4CODEGSB。EGSB,2/d/h(COD)/(mg·L-1)1~3496100035~659650066~769630077~8796088~117720118~142480143~4802014-02,34(2),:EGSB-57COD300~400mg/L,,。EGSB,,,,。EGSB,,COD200~300mg/L,COD70%~80%。5,COD。50mg/L133mg/L,,,。,50mg/L,80%。,100%,30mg/L。2.3--,,。,1.5L/min,COD150mg/L,COD30%~40%,<30mg/L。,80h,COD60mg/L,COD60%,1mg/L,。---2。2,《》(GB8978—1996)。2---3---。:(1),EGSB,。(2),3EGSB,48h。EGSB,COD500~800mg/L、150~200mg/L、20~40mg/L,,。(3)EGSB,64h,,COD70%,80%,COD200~300mg/L、50mg/L、<30mg/L、。(4)-,COD60mg/L、<1mg/L、。(5)---,《》(GB8978—1996)。,,,,、。[1].[M].2.:,2010:29.[2],,.“”[J].,2012,43(5):1-6.[3],,.[J].,2010,30(5):371-375.-COD/(mg·L-1)500~800200~3006060/(mg·L-1)80~10015~30115/(mg·L-1)150~200~500/(mg·L-1)20~40000.5pH7~87~87~87~82014-02,34(2)58PACPAM申丽芬,孙宝盛,张燕(,300072)[],(PAC)(PAM)。,PAC1050mg/L,PAM0.8mg/L,PAMPAC7min。,COD4876mg/L2436mg/L,COD50.04%。[];;;[]X703.1[]A[]1005-829X(2014)02-0059-03ResearchonthepretreatmentoflandfillleachateusingcompositecoagulantofpolyaluminiumchlorideandpolyacrylamideShenLifen,SunBaosheng,ZhangYan(SchoolofEnvironmentalScienceandEngineering,TianjinUniversity,Tianjin300072,China)Abstract:Usinglandfillleachatecontaininghighsalinityastheresearchobject,thecompositecoagulantconsistingofpolyaluminiumchloride(PAC)andpolyacrylamide(PAM)hasbeenadded,soastocarryoutcoagulationandsedi-mentationprocessforitspretreatment.Theresultsfromdoingsinglefactortestsandorthogonalexperimentsshowthatoptimalcoagulationconditionsareasfollows:PACdosageis1050mg/L,PAMdosage0.8mg/L,andPAMaddingtimesevenminutesaftertheaddingofpolyaluminiumchloride(PAC).Undertheabovetreatmentconditions,therawwaterCODreducesfrom4876mg/Lto2436mg/L.TheremovingrateofCODisashighas50.04%.Keywords:landfillleachate;polyaluminiumchloride;polyacrylamide;coagulationandsedimentation,。,、。,、、,〔1-2〕。,COD、BOD、,,,,,〔3〕。,,,。,,〔4-6〕。PACPAM,。(PAC)(PAM)PAM[4],,,.[J].,2010,61(7):1821-1828.[5],,,.[J].,2012,43(4):1-6.[6],,,.[J].,2010,42(6):907-909.[7],,.[J].,2006,31(3):87-89.[8],,.-[J].,2005,25(1):40-43.———————————[](1966—),,。:010-84525241,E-mail:yugx2@cnooc.com.cn。[]2013-11-04()!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!34220142IndustrialWaterTreatmentVol.34No.2Feb.,201459
本文标题:EGSB接触氧化法处理碎煤加压气化废水试验研究于广欣
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