改性稻草秸秆对低浓度含油污水的吸附去除研究

38《》[e-mail]*,()0580-2550753([e-mail]。EnvironmentalScience&Technology38620156Vol.38No.6Jun.2015*316022。500℃。。0.8g/L60mg/L89.5%15‰~30‰10~35℃。。X703.1Adoi10.3969/j.issn.1003-6504.2015.06.0251003-6504(2015)06-0156-05StudyonAdsorptionTreatmentofLowConcentrationOilWastewaterbyModifiedStrawStalkCHENQingguo,LIUMei*,YANGDan,YANYan,SUNJingya,MUJunCollegeofMarineScience&Technology,ZhejiangOceanUniversity,Zhoushan316022,ChinaAbstractTheadsorptiontreatmentoflowconcentrationoilwastewaterbymodifiedstrawstalkwasexploredinthispaper.ThestrawstalkwasmodifiedbyH3PO4activatedwithhightemperaturecarbonization.Themodifiedtemperaturewasoptimized,and500℃wasthesuitablemodifiedtemperatureforstrawstalk.Thefactorssuchasthedosageandparticlesizeoftheadsorbent,salinityandtemperatureoftheoilwastewater,whichaffectedcrudeoiladsorptionremovalwerestudied.Whentheoilconcentrationofcrudeoilwastewaterwas60mg/L,theremovalefficiencyofcrudeoilcouldreach89.5%by0.8g/Lmodifiedstrawstalk.Thecrudeoiladsorptioncapacityofmodifiedstrawstalkincreasedfollowedbytheparticlesizemodifiedstrawstalkdecreased.Thetreatmentoflowconcentrationoilwastewaterbymodifiedstrawstalkgothigheradsorptionremovalefficiencywhenthesalinitywas15‰~30‰andthetemperaturewas10~35℃.Thecrudeoiladsorptionprocessofmodifiedstrawstalkinthelowconcentrationoilwastewatercouldbedescribedbypseudosecond-orderrateequation.Keywordsstrawstalk;lowconcentrationoilwastewater;adsorption、、[1]。[2]。。[3]。[4-8]。。。611.1。()。2h60mg/L。1.21.2.1H3PO4[9]H3PO4。。1mol/LNaOH24hNaOH、50℃50%H3PO424h[10]200~800℃50℃。0.1g100mL60mg/L20℃、150r/min。1.2.2[11]420nm。(1)。ηη=C0-CeC0×100%11C0(mg/L)Ce(mg/L。(2。2qq=C0-CeVm22C0(mg/L)Ce(mg/LVLm。1.2.3。1。0.02、0.04、0.06、0.08、0.1、0.12、0.15、0.2、0.25、0.3g100mL60mg/L20℃、150r/min。2。20、40、60、80、100、1200.1g。100mL60mg/L20℃、200r/min。3。5‰、10‰、20‰、30‰、40‰、50‰。4。10、15、20、25、30、35、40℃。1.2.45、10、20、30、40、60、80、100、120min。[12]。tqt=1k2q2e+tqe33t(min)qtt(mg/gk2mg/g·minqe(mg/g。22.12.1.11。1。200~800℃2200~300℃550~600℃。200~300℃。300~550℃550~600℃600℃Ca、Mg38。[10]、[13]。500℃。2.1.2H3PO42。223740、671cm-1。-OHNaOHH3PO4-OH。1646cm-1H3PO41600cm-1。1069cm-1。H3PO41093cm-1C-O-C。。2.1.3H3PO4×20003。3。H3PO4。60mg/L18.2mg/g31.2mg/g。H3PO451.4mg/L3。H3PO4。2.22.2.14。40.8g/L60mg/L89.5%50.8mg/L。0.8g/L。[14]。0.8g/L。2.2.265。20~12080~12092%。[15]。2.2.3。60‰~40‰。。15‰~30‰88%。[12]。2.2.4。710~35℃35℃。[2,12]。2.38。10min。t/qttt/qt=0.01812t+0.0489R20.9985。3381H3PO4500℃。51.4mg/L3。2、。0.8g/L80、10‰~35‰、10~35℃。3。[][1],,.[J].,2014,43(1):45-47.LiSifanWangXinyangLiPing.Researchprogressinoilywastewatertreatmentbyadsorptionmethod[J].ContemporaryChemicalIndustry,2014,43(1):45-47.(inChinese)[2],,,.[J].,2010,30(2):89-92.HaoYang,TengHoukai,GuXihui,etal.Applicationofex－pandedgraphitetothetreatmentoflowconcentratedoil-bearingwastewater[J].IndustrialWaterTreatment,2010,30(2):89-92.(inChinese)[3]GongRM,ZhongKD,HuY,etal.Thermochemicalesteri－fyingcitricacidontolignocelluloseforenhancingmethylenebluesorptioncapacityofricestraw[J].JEnvironManag,2008,88(4):875-880.[4],,,.[J].,2008,30(9):23-25.SuYan,WangDuo,LiChunhu,etal.Semi-cokefortreat－mentofoilywastewater[J].EnvironmentalPollutionandControl,2008,30(9):23-25.(inChinese)[5]IslamMS,ZhangY,McPhedranKN,etal.Granularactivat－edcarbonforsimultaneousadsorptionandbiodegradationoftoxicoilsandsprocess-affectedwaterorganiccompounds[J].JEnvironManag,2015,152(1):49-57.[6]IbrahimS,AngHM,WangSB.Removalofemulsifiedfoodandmineraloilsfromwastewaterusingsurfactantmodi－fiedbarleystraw[J].BioresourTechnol,2009,100(23):5744-5749.[7]El-NaasMH,Al-ZuhairS,AlhaijaMA.Removalofphenolfrompetroleumrefinerywastewaterthroughadsorptionondate-pitactivatedcarbon[J].ChemEngineerJ,2010,162(3):997-1005.[8]IbrahimS,WangS,AngHM.Removalofemulsifiedoilfromoilywastewaterusingagriculturalwastebarleystraw[J].BiochemEngineerJ,2010,49(1):78-83.[9],,.[J].,2009,28(4):828-832.HanBin,ZhouMeihua,RongDa.Preparationandcharacter－izationofactivatedcarbonfromricestraw[J].JournalofA－gro-environmentScience,2009,28(4):828-832.(inChinese)[10],,.[J].,2004,24(4):49-52.ZhangHuiping,YeLiyi,YangLichun.Preparationofacti－vatedcarbonfromsawdustbyphosphoricacidactivation[J].ChemistryandIndustryofForestProducts,2004,24(4):49-52.(inChinese)[11]SY/T0530-2011,[S].SY/T0530-2011,OpticalSpectroscopy/MeasuringMethodofOilContentinWastewaterofOilField[S].(inChin-ese)[12].[D].:,2013:7-68.LiDan.PreparationandCharacterizationoftheNaturalOilSorbentsfromCornStraw[D].Tianjin:TianjinUniversity,2013:7-68.(inChinese)[13],,,.[J].,2014,34(1):101-106.LinGuanfeng,JiangJianchun,WuKaijin,etal.Preparationofcellulose-basedgranularactivatedcarbonusingphospho－ricacidasactivator[J].ChemistryandIndustryofForestProducts,2014,34(1):101-106.(inChinese)[14].[J].,2009,32(11):18-23.GongBingli,QiuYuping,ZhaoYaping,etal.Laboratorystudyonadsorptionofmethyleneblueonblackcarboninaqueoussolution[J].EnvironmentalScience&Technology,2009,32(11):18-23.(inChinese)[15],,,.[J].,2014,37(12):214-217.ZouDeliang,ChenQingguo,YangPing,etal.Studyonad－sorptionremovalofmethylenebluebymod