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当前位置:首页 > 行业资料 > 酒店餐饮 > 给水工艺对不同分子质量有机物的去除规律研究尹宇鹏
StudyonwatersupplytreatmentprocessfortheremovingruleoforganismwithdifferentmolecularweightYinYupeng1,LuShaoming1,YuNa2(1.Dept.ofEnvironmentalScience&Eng.,SouthChinaUniversityofScience&Technology,Guangzhou510640,China;2.CollegeofMechanicalEngineering,YanshanUniversity,Qinhuangdao066004,China)1,1,2(1.,510640;2.,066004)[],(DOC)640,。(BAF)3k~10kDOC;>1kDOC,<1kDOC;>30k10k~30kDOC93.7%78.4%,10kDOC;,;,BAF<10kDOC。[];;[]TU991;X703.1[]A[]1005-829X(2008)10-0027-03Abstract:Basedonthepilottestsystemofwatersupplytreatment,thedistributionofmolecularweightsofdissolvedorganiccarbon(DOC)intheeffluentwaterofeachtreatmentunithasbeenstudied.Theremovingruleoforganismwithdifferentmolecularweightsisdiscussed.Theremovalrateofbiologicalaeratedfilter(BAF)isthebestwhenthemolecularweightofDOCisbetween3k-10k.Pre-ozoneisabletoremovetheDOCwithmolecularweightabove1k,butaccumulationoccurs,whenthemolecularweightofDOCislessthan1k.TheremovingratesofroutinetreatmentofDOCwithmolecularweight>30kand10k-30kare93.7%and78.4%respectively,butthatofDOCwithmolecularweightunder10kislow.Sincetheorganismsthatcouldbedecomposedbyozonebasicallyhavebeendecomposedintheprocessofpre-ozone,theremovalrateofpost-ozoneisnotobvious.Theactivatedcarbonfilterhasprettygoodremovalefficiencyonorganismwithdifferentmolecularweights,especiallyonDOCwithmolecularweightlessthan10kwhoseremovalrateispoorwhentreatedbyBAFandroutinetreatmentprocesses.Keywords:dissolvedorganiccarbon;molecularweight;watersupply[](G01D805262),3:、,,。,,。(MW),〔1〕。“++”,(DOC),,。2810200810IndustrialWaterTreatmentVol.28No.10Oct.,20082711.11。1.210~15m3/h。15m3/h:(1)BAF。D2~5mm,2.0m;6~8m/h,16~24min;0.4m3/min,2∶1;:14~22.2L/(m2·s),4~6L/(m2·s);:20min,10min,7~10min;3d。(2)O3。2.3m3;9min;0~2mg/L,1~3mg/L。(3)。3.2m3,HRT13~19.2min;:1.7m×1.7m×4.3m,5.1~7.5m3/(m2·h);:D1.5m×4.0m,5.7~8.5m3/(m2·h)。(4)。D0.75m×5.05m,11.3m/h;2.0m,10.5min。1.3,1k、3k、10k30k,DOC,DOC,()。2006,、BAF、、()、()。2DOC2。2,DOC,(DOC34.6%)(DOC39.3%)DOC,DOC。(DOC0.3%)(DOC14.9%)DOC,,,〔2〕。,。(1)30kDOC,3。3,>30kDOC:BAF、。(23.0%),>30kDOC,,,,,。(2)10k~30kDOC4。4,10k~30kDOC,BAF,DOC-1530.0%,4.03.02.01.00.0BAF5030100DOC/%DOCDOCDOC/(mg·L-1)2DOC1.00.80.60.40.20BAF100500-50-100DOCDOCDOC/(mg·L-1)3>30kDOCDOC/%0.60.40.20BAFDOCDOC0-400-800-1200-1600DOC/%DOC/(mg·L-1)22.5%78.4%-67.8%42.4%410k~30kDOC123PAC4444567821—BAF;2—;3—;4—;5—;6—;7—;8—(BAC)1BAC2008-10,28(10)28>30kDOCBAF。BAF>10k〔3〕,DOC、(22.5%);DOC。(3)3k~10kDOC5。5,BAF,3k~10kDOC,69.9%。,3k~10kDOC45.5%,。、DOC。(4)1k~3kDOC6。6,1k~3kDOC,38.1%67.7%。BAF、DOC。(5)<1kDOC7。7,<1kDOC,,DOC、;BAF16.7%19.4%,BAF;<1kDOC40.8%,。3DOC,(DOC34.6%)(DOC38.8%)DOC;(DOC0.3%)(DOC14.9%)DOC,,〔2〕。BAF>30kDOC(38.8%),10k~30kDOC,BAF>10kDOC,BAF3k~10kDOC;>1kDOC,<1kDOC,,;>30k10k~30kDOC93.7%78.4%,10kDOC,10k;,,;,<10kDOC,BAC。[][1],,,.[J].,2005,21(3):12-16.[2],,,.[J]..2004,20(2):31-33.[3],.[M].:,1999:55-56.1.00.80.60.40.20BAF704010-20DOC/%DOCDOCDOC/(mg·L-1)53k~10kDOC0.80.60.40.20BAFDOCDOC70503010-10DOC/%DOC/(mg·L-1)61k~3kDOC1.51.20.90.60.30BAFDOCDOC6040200-20DOC/%DOC/(mg·L-1)7<1kDOC[](1983—),2006。:15989196521,E-mail:ypyin@163.com。[]2008-06-24(),:2008-10,28(10)29
本文标题:给水工艺对不同分子质量有机物的去除规律研究尹宇鹏
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