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۠̿̎ˮҺе|(zh)j(lu)xӌ(sh)(yn)E

2012-05-10 08:34 Դ:δ֪

 

    ۠̿ʹ÷^VʳƷÓɫˮ̎ἃH@ЧҬuh(hun)Ƽ޹˾۠̿̎W(xu)懏UҺо(sh)(yn)
    о˷۠̿ˮҺе|(zh)șj(lu)xӵО飬oB(ti)l˙j(lu)τ|(zh)ͶpHضȵ،۠̿xӵӰԇ(yn)Y(ji)ҺpHͷ۠̿ͶӰxҪҺʼpH110ρ(̿)100g/Lr(sh)xӵȥ_(d)723%͵Ļ̿(jng)AxϴÓ_(d)90%ϡ̿5䌦xֲ׃i⛸ԵĻ̿ʹҺx|(zh)Ƚ͵047mg/L䌦xӵȥʱԭ̿253%̿ЧȥҺеĽj(lu)xӣԓɌ(sh)F(xin)͝Ƚj(lu)像UˮľCYԴ
    1·ԇ(yn)
    11ԇ(yn)ϼx
    PAC:۷۠̿()ȥxˮ΢нn1hsҜأVVPACȥxˮ؏(f)ϴ3ռPAC110ظ4hڸ
    懘(bio)(zhn)Һρ(Ni2+)=1000mg/L:(zhn)_Qȡ懣w(Ni)≥9999%010gܽ10mLҺУV(HNO3)V(H2O)=11ӟl(f)smҺV(HNO3):V(H2O)=199ܽ⣬D(zhun)Ƶ100mLƿˮϡ(bio)ԇ(yn)r(sh)ȥxˮϡ
    ģMW(xu)懏UҺ:ρ(Ni2+)20mg/Lρ()100mg/LcccЧo@Ӱ
    }cͪ;ˮ⻯i@;cҶc;ԇ
    (sh)(yn)x:ձuUV-2450ҊֹӋ(j);FA2004Nƽ;SYCܳˮ;HY-2{(dio)ʎ;LDZ4-2ԄƽxęC(j);S-3C;pHӋ(j);SHZ-Cѭh(hun)ˮʽձõ
    12(sh)(yn)
    1)PACԇ(yn):(zhn)_Q02gPAC20mLģMW(xu)懏UҺ100mLFƿҜʎʎ10hwϵD(zhun)Ƶ25mLxĹn=4000r/mintx=20minόӳҺ045μm΢מVĤ^VyVҺx|(zh)ȡ
    2)PACԇ(yn):PACÝȞ01mol/LHClҺnm(̿):m(HCI)=16ҺҜؽ1hVxϴPAC(jng)ˮϴ01mol/LNaOHҺn05hPACȥxˮ؏(f)ϴ3Σ110ظ4hPACԇ(yn)ur(ji)Ч
    3)PACԇ(yn):QȡPAC30g50mLFƿУȡ010mol/LKMnO4Һ9mLҜؽn1hPACȥxˮ؏(f)ϴ31104hƳɸPAC
    13
    ˮҺx|(zh)GB11910-89ͪ뿷ֹȷ9ݜy
    2·Y(ji)ӑՓ
    ȡρ()100mg/Lρ(Ni2+)20mg/LďUҺ׃c|(zh)4mol/LNaOHҺ{(dio)(ji)UҺpH110M(jn)PACԇ(yn)1(sh)(j)c|(zh)ȌPACNi2+Ӱ푺СȡijữW(xu)Һϡρ(Ni2+)20mg/L4mol/LNaOHҺ{(dio)(ji)ϡҺpH110M(jn)PACԇ(yn)Y(ji)l(f)F(xin)PACϡҺNi2+cPACģM像UˮNi2+(sh)(yn)xρ()100mg/Lρ(Ni2+)20mg/LҺģMW(xu)懏UҺM(jn)о
    21ρ(C6H8O7·H2O)ηȥ(Ni2+)Ӱ
    ȡͬρ(C6H8O7·H2O)ρ(Ni2+)20mg/LďUҺ4mol/LNaOHҺ{(dio)(ji)UҺʼpH60M(jn)PAC(sh)(yn)
    ɈD1֪|(zh)ȌPACкܴӰ|(zh)ԽPACxӵȥЧԽ(dng)|(zh)_(d)100mg/Lxӵȥʏ845%475%½څ@̿xԻW(xu)ռ(do)λ10ڙĴڣҺеNi2+Խj(lu)ϠB(ti)j(lu)c̿ĻW(xu)F(tun)Y(ji)Ni2+ȥS|(zh)ȵ߶|(zh)ȳ^100mg/Lxȥ½څƽҪԭ^ęḂɵ
    22PACͶõӰ
    ȡģM像Uˮ4mol/LNaOHҺ{(dio)(ji)UҺʼpH110׃PACͶM(jn)(sh)(yn)
    PACͶЧҪӰɈD2ҊSPACͶxȥЧԭSPACṩλҲu@ЩλͬҺؽxӰl(f)Һؽxӵȥһֱڅ
    (dng)ρ(PAC)^100g/Lr(sh)xȥӲ@@?yn)ҺƽPACСȥҺƽȺƽLangmuirȜؾFrendlichȜؾM(jn)ДMP(gun)ϵ(sh)քe0976509639095fNi2+PACϵҪηӌW(xu)ռ(do)λ(sh)(yn)xPACͶ10g/L
    23UˮʼpHõӰ
    ȡģMW(xu)懏UҺ4mol/LNaOHҺ{(dio)(ji)UˮʼpHM(jn)PACԇ(yn)ԇ(yn)Y(ji)ҊD3ԇ(yn)l(f)F(xin)(dng)UˮpH125r(sh)j(lu)xӲl(f)(yng)J(rn)Ni2+ȥֻ?yn)PACá
    SҺʼpHNi2+ȥupH110r(sh)_(d)ֵ@?yn)ԗlҺдڴH+̿—CHO—OH—COOH—C==OҺеH+Y(ji)׃˻̿HKxc̿F(tun)ĽY(ji)^(dng)ҺpHߺc̿܈F(tun)Y(ji)ϵH+l(f)x늄ܶȽxc̿o늳p٣ͬr(sh)̿ؓ(f)늄c(din)(dng)ҺʼpH120r(sh)Ni2+ȥEȻ30%ԭ?yn)陎ȫxNi2+͙ɽj(lu)PACj(lu)x(do)Ni2+ȥʽ


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