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ˮ̎̿ˮҺؽٌ(sh)(yn) ۠̿̎W(xu)

2012-04-23 09:42 Դ:δ֪

 


    ˮh(hun)еؽxΑB(ti)(wn)ԴԼͨ^ʳw(ni)۷e1(yn)ΣB(ti)h(hun)ؽȾѳɞRҪh(hun)}W(xu)懏UҺͨûW(xu)늽ⷨxӽQB͸ȷ̎2-3cxB(ti)xj(lu)ϑB(ti)懸(wn)I(y)ϳõüӉAЧȥ̎͝Ⱥ懏UˮЧ;֮һꖵȣ4݈(bo)ʯόUˮзǽj(lu)ϑB(ti)xȥȣ5о˻̿Һзǽj(lu)ϑB(ti)xӵܡW(xu)Ni-PϽ6-8ݾйˇΡҺCNɷ僌܃(yu)ȃ(yu)c(din)õ˺ܴİl(f)չо۠̿(PAC)W(xu)Ni-PϽUҺе͝Ƚj(lu)ϑB(ti)懵ȥy˲ͬ،PACҺxӵӰԓоδҊīI(xin)(bo)
    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)=199ܽD(zhun)Ƶ100mLƿУˮϡ(bio)ԇ(yn)r(sh)ȥxˮϡ
    ģMW(xu)懏UҺ:ρ(Ni2+)20mg/Lρ()100mg/LcccЧo@Ӱ푡
    }ᡢcͪ;ˮ⻯⛡i@;ᡢcҶc;ԇ
    (sh)(yn)x:ձuUV-2450ҊֹӋ(j);FA2004Nƽ;SYCܳˮ;HY-2{(dio)ʎ;LDZ4-2ԄƽxęC(j);S-3C;pHӋ(j);SHZ-Cѭh(hun)ˮʽձõȡ
    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)ϴ3110ظ4hPACԇ(yn)ur(ji)Ч
    3)PACԇ(yn):QȡPAC30g50mLFƿȡ010mol/LKMnO4Һ9mLҜؽn1hPACȥxˮ؏(f)ϴ3Σ1104hƳɸPAC
    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)λ10ݣڙĴҺеNi2+Խj(lu)ϠB(ti)ڣj(lu)c̿ĻW(xu)F(tun)Y(ji)Ni2+ȥS|(zh)ȵ߶|(zh)ȳ^100mg/Lxȥ½څƽҪԭ^ęḂɵġ
    22PACͶõӰ
    ȡģM像Uˮ4mol/LNaOHҺ{(dio)(ji)UҺʼpH110׃PACͶM(jn)(sh)(yn)
    PACͶЧҪӰɈD2ҊSPACͶxȥЧԭSPACṩλҲu࣬@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)ϣ׃˻̿HKxc̿F(tun)ĽY(ji)^͡(dng)ҺpHߺc̿܈F(tun)Y(ji)ϵH+l(f)x늄ܶȽͣxc̿o늳pͬr(sh)̿ؓ(f)늄c(din)࣬(dng)ҺʼpH120r(sh)Ni2+ȥEȻ30%ԭ?yn)陎ȫxNi2+͙ɽj(lu)ãPACj(lu)x(do)Ni2+ȥʽ
    24ضȌõӰ
    SYCܳˮۿҺض4mol/LNaOHҺ{(dio)(ji)UˮʼpH110M(jn)PACԇ(yn)ضȌЧӰ̿ؽٵÓɷN(yng)ĸһǷşᷴ(yng)͜;Óᷴ(yng)ߜı2ԿSضȵPACxӵͣ׃ضӰ푷Ӳ\(yn)Һضߣӟ\(yn)Ӽӄ(do)ƽƉ½
    25r(sh)gõӰ
    ȡģMW(xu)懏UҺ4mol/LNaOHҺ{(dio)(ji)UˮʼpH110׃(yng)r(sh)gM(jn)PACԇ(yn)Y(ji)D4
    ɈD4Կǰ40min̿xӵʺܿF(xin)ؽxӵȥL^@Sڅھ60min׺]ʲô׃_(d)ƽB(ti)Ҫl(f)ڻ̿Ͳ΢׃(ni)M(jn)̕r(sh)g(ni)ͿSؓ(f)dڻ̿ĽxӮa(chn)ij(qing)xĽx΢׃(ni)׃󣬂|(zh)½ֱ_(d)͡
    26PAC
    PACxpHӰ푺ܴʹA׃?ni)ҺpHM(jn)Ó(sh)F(xin)PACHClҺnͻ̿r(sh)ԭh(hun)ƉƽxӏĻ̿Ó̿֏(f)D5ʾNi2+ϴÓSHClҺ|(zh)Ӷ}|(zh)_(d)01mol/Lr(sh)xӵϴѽ(jng)_(d)917%}|(zh)^m(x)xӵϴÓ΢PAC(sh)(yn)xHClҺ01mol/L
    HClҺ̿̿xӱϴӁxc̿—CHO—OH—COOH—C==OЧĽY(ji)ϣռ(j)˻̿cxӵĽY(ji)λPACxӵˣPACϴÉAϴH+ÓQʹ̿֏(f)
    ̿(jng)Ac»̿ܶ؏(f)ϴÓҺиxӿԌ(sh)F(xin)YԴ̿ЧҊ3
    27PAC
    PACj(lu)ϑB(ti)xӵ(sh)(yn)KMnO4HNO3V(HNO3):V(H2O)=11MgSO4ͪҴҺM(jn)PAC(sh)(yn)Y(ji)l(f)F(xin)KMnO4PACȥj(lu)ϑB(ti)xЧD6ԿSKMnO4ȵԻ̿j(lu)xҲS֮ߣKMnO4Ȟ012mol/LԻ̿Ni2+_(d)ȥʞ976%δԻ̿253%KMnO4܉߻̿һKMnO4Џ(qing)ԣc̿ЙC(j)܈F(tun)(̼̼pIu)l(f)߀ԭ(yng)(do)溬܈F(tun)Ĕ(sh)ӣ11ݡһKMnO4߀ԭ鲻ԵMnO2ڻ̿12ݣˮؽxк܏(qing)13KMnO4^m(x)Ի̿j(lu)x^KMnO4HɴԺ܈F(tun)Ҳɻ̿΢ה(sh)pȱepС໥Ӱ푌(do)PACNi2+ĈD7ԿpH(ni)KMnO4Ի̿δԻ̿Ni2+кܴߣKMnO4Ի̿j(lu)xӾкܺõ
    3·Y(ji)Փ
    1)PACj(lu)xӞηӌ^̿٣60min;ضȌӰ푲;ҺpHͶӰPACȥNi2+ҪҺѳʼpH110PACͶ100g/Lr(sh)Ni2+ȥʞ72%145mg/g
    2)PAC01mol/LHClҺNi2+ϴÓ_(d)91%PAC5Ni2+cPACԌ(sh)F(xin)PACĶ؏(f)ʹ
    3)i⛸PACxӾкܺõԻ̿Ni2+ȥʱδԻ̿253%_(d)976%
    ̿܉^ЧȥҺеĽj(lu)ϑB(ti)xӣͻ̿HClҺϴҺеxӸã(sh)F(xin)͝Ƚj(lu)像UˮľCYԴá


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