对铁碳处理硝基酚废水的研究

:2007-02-19:2007-03-111,2,1(1.,830000;2.,750001):;;,pH,,CODCr95%,TOC:H2OCO2,H2OCO2:;;;:X70311:A:1008-2301(2007)01-0001-05DiscussiononIron-CarbonTreatingNitrophenolWasteWater.SHIWei-dong1,MAKe2,ZHURong1(1.UrumqiCityEnvironmentMonitoringCentrialStation,Urumqi830000;2.NingxiaEnvironmentMonitoringCentrialStation,Ying2chuan750001,China).EnvironmentalProtectionofXinjiang2007,29(1):0105Abstract:ThearticlepreliminarylydiscussestheinfluencefactoroforganicpollutantwhichdifficultlydegradesinIron-car2bondegradativewater,thebesttechnologicalparameterandtreatedeffect;Italsoinquiresintoeffectmechanismofoxidizingdegradativepolltant,throughanalyzesmidiumresultofpollutantdegradationandputsfowardpossiblewayofpollutantdegra2dation.DiscussingpH,usageamountofiron-carbontemperatureandgraindiameterofmanganesemineralandetc.influenc2esontreatingresult,inthebesttechnologicalcondition,thedislodgingrateofCODCrreachesover95percent,meascringTOCshowsthatmostofnitrophenolhasoxidizedanddegradedH2OandCO2.Thedegradationwayofnitrophenolmainaremicro2electrolysisthatwillmakenitophenolreturntoaminophenolandalsodiscussesaminophenolhasbeenoxidizedintoH2OandCO2bysoftmanganesemineral.Keywords:Iron-carbon;P-nitrophenol;dislodginerate;degradationtreatment,;;,11.1:756MC722FA2004NPHS-3BpHSHY-2D4-21810-BGZX-DH-3Nx-35-B51.21),20,20min,2)203)1.0gPL,1,12007,29(1):0105EnvironmentalProtectionofXinjiang,,,1Tab.1Simulatingwaterqualityofnitrophenolwastewater(gPL)pHCODCr(mgPL)BOD51.05.514501.31)pHPHS-3BpHpH2)CODCrGB11914-19893)BOD5GB11914-19894)GC-MSHPLC;,,:pH914,NaOHpH9,,,,:,=(C0-Ce)PC0100%,:(%);C0;Ce(1)1Fig.1Standardcurveofnitrophenol5)UV-VIS756MCUV-VIS,190nm400nm,1nmA2.5(),1.4114112Fig.2Theexperimentaltechnologicalprocessofiron-carbontraet2ingnitrophenolwastewater11412;1molPLH2SO4NaOHpH;,;pHCODCrBOD5;1.51.5.1pH1.0gPL100mL,1molPLpH=2.0,2g1g,,(255),200rPmin,5h,,,,,22Tab.2Thereactiontimeinfluencingonnitrophenolinversionrate(min)(mgPL)(%)(min)pH01010.370.002.015740.0026.852.6030602.9640.3105.5060358.5264.5155.8122990210.3779.2205.74120143.7085.8305.6015079.1992.2405.5518041.4195.9605.5021040.6796.01205.5324039.5696.11805.5130038.0796.22405.533Fig.3Thereactiontimeinfluencingonnitrophenolinversionrate4pHFig.4ThereactiontimeinfluencingonpHofliquid-flow3,1.5h,,3h4pH,3,,0.5h,1H2,-NO3-NH2,,,pH,,H+,;,,,,,,,,3h,3h115125Fig.5Ironfilingsamountinfluencingonnitrophenolinversionrate5:Fe,Fe0.5gP100mL,,Fe,FeC,,50%;,,1.5g,90%,,2.5g,4,Fe,1.0gPL2.0gP100mL11513pH1.0gPL100mL,2.0g,2:1,1molPLH2SO4NaOHpH,25(0.5),31:150rPmin,3h,,4pH,pH,pH115396%;pH,pH,H+,Fe2+,pH,pH,Fe,,;Fe2+,,pH2.03pHTab.3pHofwastewaterinfluencingonnitrophenolinvensionrate(min)(%)pH1.5pH2.0pH3.0pH5.5pH7.50000006083.476.056.816.817.312096.996.684.317.723.218097.997.996.023.625.0115141.0gPL100mL,1molPLH2SO4pH2.0,,1020253035(015),3h,,4,,6,10,3h66%,,;2035,96%,,,,4Tab.4Thereactiontemperatureinfluencingonnitrophenolinvensionrate(min)(%)102025303500.000000158.5931.435.235.436.84528.1755.061.862.365.99053.2087.095.895.296.118066.3696.197.997.997.96Fig.6Thereactiontemperatureinfluencingonnitrophenolinvensionrate1.5.5500mgPL1000mgPL1500mgPL100mL3,,2%,,,57,;,;,5Tab.5ThequalityandconcentrationofwaterintakeinfluencingonnitrophenolinvensionratemgPL(min)(%)5001000150000.000.000.004291538.0635.9824.203050.5440.8039.916076.7757.1355.1912093.3788.1582.5018097.7496.8994.907Fig.7Thequalityandconcentrationofwaterintakeinfluencingonnitrophenolinvensionrate1.5.6,:100mL(1gPL),pH=2;2g(20min),1g,2535,200rPmin,3hpHCODCrBOD5:1010mgPL20mgPL,97%;CODCr1443mgPL1189mgPL,18%;BOD5PCODCr00.07,,CODCr,BOD5PCODCr,,,,21)(1gPL):100mL2.0g,1.0g,pH2.0,200rpm,20,3h2)3),H2,,4):97%,BOD5PCODCr,;,,,:pH;pH,;,CODCr95%,TOC,H2OCO2[1].[J].,2000,31(6):29-30.[2],,,.[J].,2003,23(3):16-19.[3],.[J].,2003,23(5):265-269.[4],,.[J].,2004,21(10):772-774.[5].[J].,2003,95(2):48-51.[6].[J].,1999,30(4):18-19.[7],.[J].,2000,(2):18-20.[8],,.[J].,2003,(4):39-41.:(1969-),,,E-mail:[e-mail]51: