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时间:2020-03-26
《Fenton氧化法处理机械加工清洗废水的实验研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、$31%$6&0?@AK@LBCVol.31No.62010(12"犑狅狌狉狀犪犾狅犳犆犺犲犿犻犮犪犾犐狀犱狌狊狋狉狔&犈狀犵犻狀犲犲狉犻狀犵Dec.,2010犉犲狀狋狅狀Éu$%½4£y567{WXV]1,^_2,`ab1,3,@cc1,de1(1.J£@LR?âÐK0?@L?C,IJJ£710048;2.Ñ^QâмH,IJÑ^712000;3.°=.IÒâ!Ó,°=IÒ472000)
2、}:klfFenton=4~¬@®¯°{jqrM¶Íâx¾¿gh。±²àvü8jâx¾¿ghy:Þ{CODCr¨2000mg/LB
3、,狀HO/狀Fe2+=37.6,H2O2jä940mL/L,pH=224,stB2.5h,BCODCrjoªp@91.4%。öBßàf½^èÔäKFenton=jÕösv。âx¾¿ghCODCrjoªp@93.2%。~:~¬@®¯°{;Fenton0;½^èÔä;Õö¿%.:X703'?:A4.:10067906(2010)06002303犈狓狆犲狉犻犿犲狀狋犪犾狉犲狊犲犪狉犮犺狅狀狋狉犲犪狋犿犲狀狋犮犾犲犪狀犻狀犵狑犪狊狋犲狑犪狋犲狉犻狀犿犪犮犺犻狀犲犳犻狀犻狊犺犻狀犵犉犲狀狋狅狀狅狓犻犱犪狋犻狅狀1,犌犃犖犛犺犲狀
4、犵2,犡犝犆犺犪狅狔狅狌1,3,犠犃犖犌犙犻狀狇犻狀1,犣犗犖犌犌犪狀犵1犔犐犝犆狌犻(1.SchoolofEnvironmentalandChemicalEngineering,Xi'anPolytechnicUniversity,Xi'an710048,China;2.XianyangEnvironmentalMonitoringStation,Xianyang712000,China;3.ShanxianEnvironmentalProtectionAgency,Shanxian472000,China)犃犫狊狋
5、狉犪犮狋:TheinfluencingfactorsandoptimaloperatingconditionsforthetreatmentofcleaningwastewaterinmachinefinishingusingFentonreagentarestudied.Theoptimaloperatingconditionsdeterminedbyexperimentareasfollows:theCODCrofthewastewaterisabout2000mg/L,狀HO:狀Fe2+=37.6,thedos
6、ageofH2O2is40mL/L,pHvalueis4andtheoxidationtimeis2.5h.22Undertheseconditions,theCODCrremovalrateisupto91.4%.Meantime,thesynergiceffectofPAMcooperatedwithFentonreagentisalsostudied.Undertheoptimaloperatingconditions,theCODCrremovalrateisupto93.2%.犓犲狔狑狅狉犱狊:Cleani
7、ngwaterinmachinefinishing;Fentonoxidation;PAM;SynergiceffectÙ(6,`a~¬@ûA&29A(R,~~tÈe:5B3C©CODî÷8e¬@®¯°{Ý´9DJ3@Y。Lù°{58CODCr。R9jY0®¯,$h°{CODCrÕÖ³、*Ö1.2¥¦R、@&0«Ü。1vefÝ´,åòß6nj{H2O2¢(30%);¼b(FeSO4·7H2O);x6。LDj0?úK&Ë"dÈemÍsv½^èÔä(PAM);NaOH;H2SO4。±²w=I4ÿ。Fenton0eLù³Ø0
8、Èe,·síy~tu。³s'å5½Ë}lÍ45~Ë"dh;½、·1.3£¤§¨&Ë"djI~Ë},ImâÐ$hÑQ6,M1.3.1Fenton0±²[1]¹tù°{j4。ÝÞ¯~¬@®¯°{{.500mL´sèØ9,Fenton0em°{ÏûÓ4,RRE³f°{¼b¯wpH£æ4,sL89jFeSO4·7H2Oj@&0«,"ÔfÂG&Ë4jÖ。lH2O2(Fenton=),ëì~î÷ëì5min,1õstÏû3hÂ,ñNaOH¯wpH£ÿx«,1.1£¤<Ö¶©ª§¨±²°{:±²~¬@®¯°{¨ð~jklT:2010
9、0630¬@S¯w×Ï{,°{CODCræ2000mg/L,mnco:Ï(1983-),,°±P°W,ÞÁ'¡kl&。pH£7.5{
10、,{*§§。犈犿犪犻犾:liucuihb@163.com.·24·0?@AK@LBC2010($31%$6$20minÂ,8®jCOD£。9:;<~±mH2O2ä9、FeSO4·7H2Oä9
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