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    ERUN DFenton߼g(sh)ˮ̎еđ(yng)

    2019-03-15 08:44:51  ԴAh(hun)

    ERUN-DFenton߼g(sh)ˮ̎еđ(yng)
    FentonǞ锵(sh)ğoC(j)W(xu)(yng)֮һ

    1893,W(xu)Fenton HJl(f)F(xin)^(H2O2) crFxFeĻҺЏ(qing)ԣԌ(dng)r֪ܶЙC(j)oC(j)B(ti)Чʮ@˺낀o(j)У@NԇsԘO(qing)]б̫ҕ

    M(jn)20 o(j)70 Dԇڭh(hun)W(xu)ҵλãȥyЙC(j)ȾĸķDԇӡȾUˮ͏UˮӏUˮUˮUˮUˮȏUˮ̎wF(xin)˺܏Vđ(yng)

     

    (dng)Dl(f)F(xin)Dԇrв^crFxӷ(yng)ʲôˏ(qing)

    ʮ˼O(sh)ܷ(yng)Юa(chn)uɻtԲˏ(qing)Ժ˂һ^VõĻW(xu)(yng)ʽDԇаl(f)ĻW(xu)(yng)

    Fe+H2O2→Fe+OH+ ·OH

    ʽԿ1molH2O2c1molFe(yng)1molFeͬrS1molOH1moluɻ

     

    uɻĴʹ÷DԇЏ(qing)(j)ӋpH = 4 ҺУOH·ɻ늄ݸ_(d)2. 73 VȻҺЃHڷ⡣

    ־ЙC(j)؄eͨԇyķPһЩsh(hun)ڷDԇǰȫox

     

    1975 ,*h(hun)W(xu)Walling C ϵy(tng)о˷DԇиɻķNFe Fenton ԇаݵĽɫó»W(xu)(yng)̣

    H2O2 + Fe→ Fe + O2 + 2H

    O2 + Fe→ Fe + O2·

    Կ,Dԇгˮa(chn)1 ĦOH·ɻ,߀S1 Ħ^ɻO2·^ɻ늄ֻ1.3 VԣڷDԇҪõOH·ɻ

     

    DԇᘌһЩ؄eyęC(j)ȾCOD၆Fpˮď(qing)߀ԭɷ(yng)(qing)ԵuɻcyЙC(j)ɻ*Чֽ⣨DFentonԇ(yng)C(j)

    Dԇ̎ЧܵUˮȾ(yng)pHֵ၆FcpˮıpˮͶӝȵӰ

     

     

     
     
     
     
     
    D၆Füpˮ
     

    DԇҪˎ၆FcpˮcA၆FcpˮͶӰ푵Uˮ̎Ч

    ͨ^򞌢၆FcpˮͶӱóһƲñ׷ɫ

    ٰ{(dio)PHֵͶ၆FͶpˮM(jn)DԇͶc̎pHֵ{(dio)(ji)M(jn)Ͷ

    ၆FͶӺ󷴑(yng)15M(jn)pˮͶ(yng)20~40ټA{(dio)pHֵ̎Ч

     

     

     
     
     
     
     
     

    ڷD^၆FĴͶʹ၆FFxӵĴa(chn)˴F?x)ɴҸڏUˮyԳ

    F(xin)@Nrԭ(sh)၆FcpˮͶӱ]пƺpˮͶ^(yng)ص׌(do)F(xin)@Nrͨ^Ͷ۱ϩM(jn)Џ(qing)ͨ^ͶʯҷM(jn)PHֵ{(dio)(ji)ҸM(jn)۳

     

    һˮ̎÷Dķ(yng)lķ(yng)rg_D(yng)M(jn)ЏصˮͶӷx͵ľ۱ϩԎٳ၆FDһЩɫcCODUˮȥʶ_(d)90%-95%

     

     

     
     
     
     
     
    DFentonUˮ߼̎g(sh)
     

    DFentonUˮ߼̎g(sh)Fe2+H2O2֮g朷(yng)߻ɾЏ(qing)Եuɻ(·OH)NжyЙC(j)ᘌߝyオUˮ̎ǰ̎Ըˮ|(zh)UˮĿm(x)̎턓(chung)l

     

     

     
     
     
     
     
    D(yng)
     

    D(yng)ַQDD(yng)M(jn)зD(yng)UˮM(jn)и߼ıҪO(sh)

    ɭh(hun)W(wng)߶bڂy(tng)D(yng)ĻA(ch)аl(f)˾Ъؼg(sh)D(yng)O(sh)wʽʹDa(chn)Fe3+󲿷ԽY(ji)Ddw棬ɴpقy(tng)Dļˎa(chn)ĻW(xu)H2O2p10%20%F(xin)e2+p50%70%p40%50%

     

     

     
     
     
     
     
    ̎Uˮ
     

    UˮД(sh)ʮNoC(j)ЙC(j)軯軯ȵȣһЩǸ°ڸȾyĹI(y)Uˮ

    ˆTо÷D̎Uˮ̽ӑӰCODȥʵ_m˵IJlڴ˗lUˮCODȥ_(d)88.9%. H2023(׃)CODȥʿ92%

     

    ˆTо˷D/f(xi)ͬ̎Uˮ(jng)̎ijˮY(ji)(jng)̎ˮ_(d)ҶŷŘ(bio)(zhn)

    m(x)ٽ(jng)̎*ˮɷ(wn)_(d)һŷŘ(bio)(zhn)оԇ߀ͨ^|(zh)ֲСЙC(j)Mɣʾ˽Uˮ̎ˮ|(zh)MɼڷD/f(xi)ͬ̎Ⱦ׃Ҏ(gu)

     

     

     
     
     
     
     
    ̎BVҺ
     

    BVҺһNMɳɷ֏(f)sˮȾˮЭh(hun)(gu)ɇ(yn){京жNжкyЙC(j)Ây(tng)̎ͬBVҺĽMȲͬBVҺ̎ЧʣˆTоҪǏĽCODȥĻЙC(j)

    B͸Һеđ(yng)M(jn)÷D̎BVҺԇ(yng)Bm(x)Ĕl(f)M(jn)У(dng)ԇm(dng)rCODȥʿ_(d)67.5%Ķ˿ԣM(jn)һ̎

     

    όNUˮо֪÷Dԇ̎UˮcһǷ(yng)ӿ(yng)Եĭh(hun)سlغDzҪO(sh)Ӌ(f)sķ(yng)ϵy(tng)O(sh)了ܺС

    ˆTJ(rn)Dԇԏ(qing)(yng)^пԌȾص׵?z)oH2O2ӷ(yng)ʣзֽ࣬ͬrҲõЧá

     

    Fentonԇ̎NUˮĕr䷴(yng)le@ͷFentonԇĹI(y)(yng)á


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