超声波膜电解技术碱回收效果的实验研究

　　:1001-4373(2003)01-0127-03许　力(,　730070)　:用自制的超声波膜电解装置,对造纸废水的膜电解碱回收处理效果进行了研究.实验结果表明,超声波膜电解技术与其它膜电解技术相比,能明显提高造纸废水的膜电解碱回收处理效果.:造纸废水;超声波;膜电解;碱回收;废水处理:X703　　　　　:A　　,.,24t,11%,COD40%,,.,[1][2],、、,,.,,,.,.90,,[3]。,,,,,,,,.1　1.1　,.pH:13.8,:57001.2　KQ118(40kHz,70W,0.6L,),,,(8cm,5cm×6cm),(4.8V),,,,1.1—;2—;3—;4—;5—KQ1181　1.3　(pH13),(NaA,40%),(,,,,4%～6%),(,,,:2002-09-10:　(1965-),,,.22　120032()JOURNALOFLANZHOURAILWAYUNIVERSITY(NaturalSciences)Vol.22No.1Feb.2003).:1):2OH-O2(g)+2H++4e,pH,,:H++OH-H2OH++A-HA(s)pH,.2):2H2O2OH-+H2(g)-2eNa+,Na+,:Na++OH-NaOH(aq)3),,,Na+,.,,、Na+OH-,,,,.,,,,,4500,,.1.4　1.4.1　造纸废水的预处理,、,,.200mg/L,2h.,,,pH.1.4.2　超声波膜电解270mL,270mL0.1mol/L,,,.4.8V,pH,2.5h.1.4.3　普通膜电解对比实验,.1.4.4　搅拌膜电解对比实验,,.2　2.1　2.2　2,,,.,,,,.,,,.,,.,(),,,,,.,.,,,128()22.2.2　pH,,1.1　pH　　　pH/%13.8013.16812.8748.885,,,,pH,.,pH9,.2.3　,:,3000/t;2000/t,(,4500/t),.3　1).,,.2),,,.3),,,,,,,,.4),,,,.:[1]　.[J].,1990,(7):20-25.[2]　.[J].,1995,(4):10-13.[3]　　.B[J].,2000,21(2):88-90.[4]　.[J].,1995,21(6):311-317.[5]　.[J].,1998,14(2):24-26.[6]　.[M].:,2001.LaboratoryStudyontheBase-recoveringEffectivenessThroughUltrasonicFilm-electrolysisTechniqueXuLi(ChemicalEngineeringCollege,LanzhouRailwayUniversity,Lanzhou　730070,China)Abstract:Usinganultrasonicfilm-electrolysisinstrument,thebase-recoveringeffectivenessofwastewaterdis-posalinpaperindustryisstudied.Theresultshowsthatcomparedwithotherfilm-electrolysistechniques,thedisposingeffectivenesscanbeenhancedbyultrasonicfilm-electrolysistechnique.Keywords:paperindustrywastewater;ultrasonicwave;film-electrolysis;base-recovering;wastewaterdisposal1291　: