高铁酸钾去除重金属的模拟试验研究苑志华

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

[1]。、、、[2]。、[3]pH。K2FeO4FeO42-。FeO42-[4]2.20V0.72VO3E0=2.076VFeO42-Fe(III)Fe(OH)3[5]K2FeO4pHPb、Cd、Fe、Zn、MnCu。11.1JJ-4TAS-986Cu、Zn、Fe、MnPHB-4PHWZS-180/185、HH-8、、。HCl、HNO3、HClO4NaOH、CrCl3·6H2O、H2SO4、Na2CO3。。1.2NaClONaOH、Fe(NO3)3·9H2ONa2FeO4KOHK2FeO4KOHK2FeO41121111.2320012.234000。pHPb、Cd、Fe、Zn、MnCupHpH10、30mg·L-156.9%~94.4%pH8.3、30mg·L-1Pb、CdFeGB5749-2006Mn53.7%Cu、Zn。TQ031.7X703.1A1000-3770(2009)05-067-052008-10-24070414168KJ2007A0701983-E-mailyuanzh666@126.com。35520095TECHNOLOGYOFWATERTREATMENTVol.35No.5May,200967DOI:10.16796/j.cnki.1000-3770.2009.05.022[6]98.4%1.3。24h200mL300r·min-110min60r·min-130min1h。2%NaOH10%HClPH。《》[7]。1.424h1Pb、CdFeGB5749-2006。22.10.03mg·L-110μg2~4[8-9]。[C]=27.4112[A]-0.01830.99941。130mg·L-165%。pH100mg·L-110.8%pH8.31030mg·L-177.8%85.9%pH。PbPb2+pH6.0~8.5PbpH8.5Pb2+pH7.6Pb(OH)2[10]。FeO42-2.20V0.72V[11-13]pH10~12FeO42-pH8~10FeO42-pH7.5FeO42-。Fe(OH)3[14]。-。2.2、20[15]。[C]=1.5229[A]-0.01150.99942。236%。0204060801001200.0060.0080.0100.0120.0140.0160.018/mgL /mgL0.00.51.01.52.02.53.03.54.04.55.0 /mgL1Fig.1TheremovaleffectofPbpH/NTUCu/mg·L-1Zn/mg·L-1Pb/mg·L-1Cd/mg·L-1Fe/mg·L-1Mn/mg·L-18.37-6.5~8.510.68-30.09024.04271.00.06331.9791.00.0184.20850.010.00612.38260.0052.63046.52450.30.06294.95990.11Table1ThechartofcoalminewaterqualityafterprecipitationinPansanmine3556850mg·L-1pH9.2%、35.4%56.9%pHpH。pH6.0~9.071%pHpH[10]。[15]Cd(OH)2、CdS、Cd3(PO4)2。Fe6+Fe3+[5]OH-Cd(OH)2Fe(OH)3。2.3。[16]1996[17]。[18]。[C]=8.3189[A]-0.09080.99923。330mg·L-192.8%。pH18.2%pH8.31092.6%94.4%。。Fe2+Fe3+,Fe2+Fe3+Fe3+Fe(OH)3Fe(OH)3。[18]。。2.4、。[C]=3.0075[A]-0.00650.99994。430mg·L-153.7%pH5、8.31022.6%、69.2%72.5%pHpHpH872%pH[10]Mn2+0204060801001200.0000.0020.0040.0060.0080.0100.012/mgL /mgL0.81.21.62.02.4  /mgL2Fig.2TheremovaleffectofCd0204060801001200.00.10.20.30.40.50.60.7/mgL /mgL01234567  /mgL3Fig.3TheremovaleffectofFe69Mn4+MnO2。91.2%-[19]。2.5、、、[20-21]。、。[C]=5.1804[A]-0.0061[C]=1.9197[A]-0.02750.99990.9979、5、6。5、6、30mg·L-1、pH10、90.7%74.8%。pH9Cu2+pHpH8Zn2+[10]。OH-。3Pb、CdFeGB5749-2006。pH。。。[1]AleyaBegum,Md,NurulAmin.Selectedelementalcompositionofthemuscletissueofthreespeciesoffish:tilapianilticacirrhinantrigalaandclariusbatrachusfromfreshwaterDhanmondiLakeinBangledesh[J].FoodChemistry,2005(93):439-443.[2],.[J].,2007,35(5):44-46.[3],.[J].:,2000,23:927-933.[4]MurmamannRK,RobinsonPR.ExperimentsutilizingFeO42-forpurifyingwater[J].WatRes.,1974,8(1):543-547.[5],,,.01020304050607080901001101200.020.030.040.050.060.070.080.090.10/mgL /mgL0.00.51.01.52.02.53.03.54.04.5  /mgL5Fig.5TheremovaleffectofCu0204060801001200.060.070.080.090.100.110.12/mgL /mgL /mgL0.00.51.01.52.02.56Fig.6TheremovaleffectofZn0204060801001200.000.010.020.030.040.050.06/mgL /mgL012345  /mgL4Fig.4TheremovaleffectofMn35570STUDYOFTHEADDINGAMOUNTOFCARRIERSINTHEDYNAMICMEMBRANE-MOVINGBEDBIOFILMREACTORLiYajie1,PanFeng2,GeHongguang1,SongFengmin1,LiXu1(1.SchoolofChemistryandEnvironmentalScience;ShaanxiUniversityofTechnology,Hanzhong723001,China;2.CollageofElectricEngineer&informationScience,ChinaThreeGorgesUniversity,Yichang443002,China)Abstract:Theaddingamountofcarriersinthedynamicmembrane-movingbedbiofilmreactorwasinvestigated.Firstly,bycombiningthestaticculti-vatinganddynamiccultivatingmethods,thebiofilmsuccessfullyformedonthesurfaceofthesuspendedcarriers.Then,theinfluenceofcarriersaddingamountonthefluidizationstate,sludgecharacteristics,disposalefficiencyandmembranefoulingwasstudied.Resultsindicatedthatcarriersaddingamountof35%wastheoptimal,inwhichtheremovalratesofCOD,nitrogenandturbiditywere81.59%,75.95%and90.78%,respectively.Keywords:movingbedbiofilmreactor;dynamicmembranebiologicalreactor;carrier;addingamountSIMULATIONEXPERIMENTOFUSINGPOTASSIUMFERRATETOREMOVEHEAVYMETALSYuanZhihua1,GuiHerong1,2,HeWenli1,ZhangGang1,WuBin1(1.Instituteofearthandenvironment,AnhuiUniversityofScienceandTechnology,Huainan232001,China;2.SuzhouCollege,Suzhou234000,China)Abstract:Potassiumferrate(K2FeO4)wasusedtostudytheremovalofheavymetalsinminewaterandsimulatedwatersamples.TheresultsshowedthatpHhadgreatinfluenceonremovinghigh-concentrationofPb,Cd,Fe,Zn,MnandCuinsimulatedwatersamples.Theremovalratewascontinuouslyin-creasingwiththeincreasingofpHbutlowerinacidicconditions,and56.9%~94.4%whenpHwas10andtheadditionamountofpotassiumferratewas30mg·L-1.WhenpHwas10andtheadditionamountwas30mg·L-1,potassiumferratecouldtreattheoverstandardPb,CdandFetostandardsfordrinkingwaterquality(GB5749-2006)inminewater,meanwhile,theremovalratewas53.7%tothelowconcentrationandnooverstandardMnbutratherlowtothelowconcentrationCuandZn.Keywords:potassiumferrate;heavymetals;minewater;simulationexperiment[J].,2001,21:701-704.[6],.[J].:,2001,19(1):106-108.[7]《》.[M]..:,2002,12.[8]CanfieldRL,Henderson

1 / 5
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