- g(sh)
ERUN DFentong(sh)ˮ̎еđ(yng)
2019-03-15 08:44:51 ԴAh(hun)ERUN-DFentong(sh)ˮ̎еđ(yng)
FentonǞ锵(sh)ğoC(j)W(xu)(yng)֮һ1893,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)eͨԇyķPһЩsh(hun)ڷDԇǰȫox
1975 ,*h(hun)W(xu)Walling C ϵy(tng)о˷DԇиɻķNFe 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
DԇᘌһЩeyęC(j)ȾCOD၆Fpˮď(qing)߀ԭɷ(yng)(qing)ԵuɻcyЙC(j)ɻ*Чֽ⣨DFentonԇ(yng)C(j)
Dԇ̎ЧܵUˮȾ(yng)pHֵ၆FcpˮıpˮͶӝȵӰ
D၆Füpˮ DԇҪˎ၆FcpˮcA၆FcpˮͶӰ푵Uˮ̎Ч
ͨ^၆FcpˮͶӱóһƲñɫ
ٰ{(dio)PHֵͶ၆FͶpˮM(jn)DԇͶc̎pHֵ{(dio)(ji)M(jn)Ͷ
၆FͶӺ(yng)15M(jn)pˮͶ(yng)20~40ټA{(dio)pHֵ̎Ч
D̎ 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%
DFentonUˮ̎g(sh) DFentonUˮ̎g(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)иıҪO(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)
BҺеđ(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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