UVO3氧化处理磺化泥浆体系钻井废水张红岩

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

1COD/(mg·L-1)BOD/(mg·L-1)pHB/CCl-/(mg·L-1)600~700167.800.022796SO42-/(mg·L-1)HCO3-/(mg·L-1)Ca2+/(mg·L-1)Na+/(mg·L-1)13714316082634TreatmentofdrillingwastewaterbyUV/O3ZhangHongyan,LüRonghu,WangWeicai(CollegeofChemicalScience&Engineering,ChinaUniversityofPetroleum,Beijing102249,China)UV/O3,,((),102249)[]—(UV/O3),pH、COD、。:,UV/O3pH3.0;UV/O3COD,,(OI)。810mg/h,60minCOD647mg/L96mg/L,4.52,。UV/O3,UV/O3,,。[]UV/O3;;;[]X703.1[]A[]1005-829X(2009)02-0029-04Abstract:UV/O3hasbeenusedfortreatingdrillingwastewater.TheinfluentialfactorssuchaspH,initialCODandthedosageofozoneareinvestigated.TheexperimentalresultsshowthatwhenpHis3.0,theremovalrateofCODismuchfasterthanpHis7.8to10.0owingtothebicarbonateindrillingwastewater.Thedecreasingofinitialconcen-trationandincreasingofthedosageofozonecanincreasetheUV/O3oxidationremovalrateofthedrillingwastewaterCOD.Butwiththeincreasingofozone,thecorrespondingozoneindex(OI)enhancesremarkably.ThoughCODcandecreasefrom647mg/Lto96mg/L,whentheozonedosageis810mg/handoxidizedfor60min,itisfarfromeco-nomicduetothelargeozoneindexwhichisashighas4.52.SinceUV/O3canenhancethebiodegradabilityofdrillingwastewater,itcanbeusedforpreoxidizingthedrillingwastewaterbeforethebiologicaltreatment.Thus,thetreat-mentcostcanbedecreasedgreatly.Keywords:UV/O3;drillingwastewater;biodegradability;hydroxylradicalUV/O3(AOP),、、。〔1〕:(1),;(2)(HO·),。,UV/O3〔2〕。,COD,,COD〔3-4〕。UV/O3,pH、、,UV/O3。11.1,1。[]“”(04A50504)29220092IndustrialWaterTreatmentVol.29No.2Feb.,2009291.2325mL,pH,(D100mm×400mm),(15W),,。XFZ-5(),。1.3COD;BOD(BOD-220A,);;-UV-160A()。22.1pH340mg/h,pHCOD1。COD(COD0)647mg/L。1,pH3.0UV/O3COD;。。,〔5-6〕。HO2-(HO·),。pH,HO·,。,431mg/LHCO3-,HCO3-、CO2、HCO3-CO32-(H2CO3pK1pK26.3510.33)。HCO3-CO32-,HO·〔7〕:HCO3-+HO·→CO3-·+H2O(1)CO32-+HO·→OH-+CO3-·(2)HO·,COD,。,HCO3-,340mg/h,COD0647mg/L,pH=7.8,30min,2。2,HCO3-UV/O3COD。HCO3-800mg/L,30min,CODHCO3-42.1%27.5%。HCO3-,COD。12,UV/O3,。2.2CODCOD0UV/O3COD,:pH=7.8,810mg/h,COD0647、400、267mg/L3,,3。3,UV/O3COD0,COD0,30min,3COD0COD64.0%、67.5%73.6%。COD0,。5040302040080012001600HCO3-/(mg·L-1)COD/%2HCO3-COD1.00.80.60.40.25101520253035/minCOD0647mg/LCOD0400mg/LCOD0267mg/LCOD/COD03COD0COD2009-02,29(2)1.00.90.80.70.60.50.40102030405060/minCOD/COD0pH=3.0pH=7.8pH=10.01pHCOD303k/min-1R3.00.013330.98227.80.012350.996010.00.013240.9932COD0/(mg·L-1)6470.033130.98164000.036210.97982670.042970.9858/(mg·h-1)3400.012350.99605300.020390.97758100.033130.9815pH。2.3,340、530、810mg/h,COD0647mg/L,pH7.8,COD,4。4,UV/O3,,COD。340mg/h,60min,COD52.0%,810mg/h,60min,COD647mg/L96mg/L,85.2%,COD。(OI)COD。COD0647mg/L,pH7.8OI5。5,OI,,COD。,。,,,。810mg/h,60min,COD,OI4.52,COD,。2.4UV/O3UV-5,-,,213nm268nm。,268nm,213nm,,。,,,CO2H2O。2.5UV/O3,COD、BOD、B/C0.02,。,,。2pH7.8,810mg/hB/C。2,UV/O3,B/C,0.0230min0.36,。,BOD。,UV/O3。,,UV/O3,,。2.6ln(COD0/COD)=kt1、34,,kR3。OI/(mg·mg-1)543210102030405060/min340mg/h530mg/h810mg/h52B/C/minCOD/(mg·L-1)BOD/(mg·L-1)B/C0647160.025493500.1010389780.20153371050.3120298980.3330233830.36,:UV/O32009-02,29(2)1.00.80.60.40.20COD/COD0102030405060/min340mg/h530mg/h810mg/h4COD313,UV/O3COD,0.97。3(1)UV/O3,,UV/O3pH3.0。(2)COD,UV/O3COD;810mg/h,60minCOD,,。(3)UV/O3,UV/O3,,。(4)UV/O3COD。[][1],,,.O3/UV[J].,2005,25(30):366-369.[2]GogatePR,PanditAB.Areviewofimperativetechnologiesforwastewatertreatment:hybridmethods[J].AdvancesinEnvi-ronmentalResearch,2004,8(3/4):553-597.[3],,.—[J].,2007,7(4):718-722.[4],.—[J].,2002,20():3-4.[5],,,.[J].,2007,21(2):298-303.[6]MastenSJ,DaviesSHR.Theuseofozonationtodegradeorganiccontaminantsinwastewater[J].Environ.Sci.Technol.,1994,28(4):181-185.[7],.[M].:,2001:202-209.InfluentialfactorsoftheROmembraneonthedesaltationrateinganguewastewatertreatmentWangJiantai,LiTianzeng,SuHong,ZhengMei,ChenWeishan(BeijingSoundEnvironmentalEngineeringCo.,Ltd.,Beijing101102,China),,,,(,101102)[]、,、、,。、、、、。,、、、,。[];;;[]TQ085+.411[]A[]1005-829X(2009)02-0032-03Abstract:Aimingatthehighsaltcontentandhighrigidityofganguewastewater,themanganesesandfilter,onlinefilterandactivecarbonfilterhavebeenusedandpertinentscaleinhibitorhasbeenaddedfordoingthepretreatment.ROprocesshasbeencarriedthroughfortreatingthewastewater.TheeffectsoftheROmembrane,influentflux,themembraneflux,watertemperature,waterquality,operationpressureandrecoveryrateonthemembranedesalta-tionrateareinvestigated.Theresultsshowthatatthesameconditionoftheinfluentwaterquality,watertempera-ture,membraneflux,operationpressureandtherecoveryrate,theROmembraneinfluentfluxisdirectlypropor-tionaltodesaltationrate.Keywords:reverseosmose;ganguewastewater;membraneflux;desaltationrate!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!29220092IndustrialWaterTreatmentVol.29No.2Feb.,2009[](1975—),1996,,:010-89733950,E-mail:wangweicaibest@163.com。[]2008-10-26()32

1 / 4
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功