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Ҭ̿|(zh)SŻʵĸ׃׃

2012-07-25 09:16 (li)Դ:δ֪

 


     Ҭ̿|(zh)SŻʵĸ׃׃


    ժҪ:(j)ԄķӽY(ji)(gu),혴ԲϞź,Ⱥw(ni)ӃɌӱԄĆηĤ,ϳɴŻŻӆηĤHˮF(tun)ʹŻcҬ̿Iһ,̿˱xͨ^(du)ŻpHֵ،(du)ҬԻ̿ŻӰ푵о_ҬԻ̿ļѺϳɗl:MR-20ŻpHֵ1.8~2.460r(sh)m(dng)o(w)C(j)}ҬԻ̿|(zh)SŻʵĸ׃׃
    1ǰ
һNҪĹI(y)ԭ,̿䱾@޴ıȱel(f)_(d)Ŀ϶Y(ji)(gu)ͷ(wn)ĻW(xu)|(zh)ұt(y)ˎʳƷh(hun)I(lng)õVđ(yng)ڻ̿Č(sh)H(yng)I(lng)ȻS},̿ķx}y(tng)ķxֻܲ^V,@NYW(wng)̿ʧc^V,xxʡr(sh)r(ji)ȫ|(zh)ߵă(yu)c(din)(du)̿(li)f(shu),䱾ŻʷdzС,mڴŷx,Ի̿Ƴɞ鮔(dng)(gu)ԓI(lng)?q)WߵP(gun)עc(din)Ї(gu)ձ(gu)һЩоˆT@˴,δõMЧ1990,Ї(gu)ɽ»̿˾ճY(ji)a(chn)Ի̿,ճY(ji)ʹ,ʹܴ̿󽵵͡1991,Ї(gu)ƌW(xu)ԺоƵôԻ̿ķ:̿뵽F⒡懵}Һ,Ȼٌ뵽@Һ,ٌ600~1200ͨH2N2M(jn)дŻ̎[1,2]ڴ˷Nߜ߉ɱF,Ի̿ڴ}ĝB,ٺ^ܴ󽵵1992,Zto,Takeoͨ^̿czCMCˮĻһƬƵôԻ̿[3]1988~1996g(gu)Ҳ@һI(lng)˴,ի@^Ҭ̿ԭ׵,܃(yu),ںܶI(lng)ľ|(zh)̿ú|(zh)̿ȟo(w)@һԭ,оϳ˸ԡȱeҬԻ̿
    2(sh)(yn)
    2.1Ҭ̿|(zh)
    xҬu˾a(chn)BK-210ҬS̿ԭ,ָ(bio):
Ż    κ/10-6cm3·g-1         0.6071
(qing)        W/%                          98
ˮ        W/%                          4.29
ҡ        W/%                          0.76
⡡ֵ        W/mg·g-1              1045
F        W/%                          0.10
Ⱥ        W/%                          0.02
        W/%                          2.47
@,̿ĴŻʜy(c)Ï(f)W(xu)ЃxSa(chn)H-900͹ƽ,y(c)ԇ(qing)Ȟ0A0.5A1.0A1.5A;̿ď(qing)ҷ֡ˮֵFȺﺬ(j)GB/T12496.1-12496.22-90ľ|(zh)̿z(yn)M(jn)Мy(c)
    2.2Żϳԭ
    Żɴ|(zh)(T:FVFVF}ųFVSFV,F懵ĺϽ)̓(ni)ɌӱԄĆηĤ(gu)ԄĹ܈F(tun)cԲϺ|(zh)໥,m(dng)?sh)ėl,ԄƘ“(lin)[4-6]༴ŻɱԄʹԲϽM,܉c|(zh)IϲxԵ|(zh)[7]ŻˮеB(ti)D1ʾ[8]

wڴź˱γɃ(ni)ӆηĤıԄ횞һˮԵЙC(j)O̼ԭӔ(sh)3,һ˱cI,һ˞ˮ;wڃ(ni)ӆηĤγӆηĤıԄ횞ڶˮԵЙC(j)O̼ԭӔ(sh)3,һ˵ˮc(ni)ӆηĤˮI,ӵһչǴ|(zh)ڝ{,ͨ^cŻӹ܈F(tun)I,ʹw˃ɌӱԄηĤĴź,Ķxڃ(ni)ӵıԄԞxͻ(yng)x,ҲԞx͡|(zh)ɶN@,ͨ^Vʯ@Fe3O4,Ҳ^ĝ񷨫@áɶr(ji)Fr(ji)F}cA(yng)ƵÝ{FVFe3O4[6]
Fe2++2Fe3++8OH-→Fe3O4+4H2O
    2.3ŻϳɌ(sh)
    ɶr(ji)F}r(ji)F}cA(yng)Ƶ,3.6g FeSO4·7H2O,4.8g FeCl3·6H2O10mLˮ,Ȼ10mL56%İˮ,ٻϮa(chn),ɵijӟᵽvԴFռ,Ȼˮϴԛ_ʣ},s2.7gwٌõ2.7g10mLˮ,Ȼм0.6gʮc,55mol/LĚc,˻9250min,ʹʮcڴӱ(yng)֮1mol/L}{(dio)(ji)pH7.0ȻԴFռww,Һw,ȻˮϴռĹww,м0.5gĮcˮ10mL,ƵĿ(bio)a(chn)—Ż
    2.4ҬԻ̿ĺϳ
    ˮϴҬ̿,Ȼ0.02mol/LҺнn2h,{(dio)pHm(dng)ֵ,ȻŻ(һĴŻm(dng)ˮ),60攇2h,Ȼˮϴ̿ԛ_ʣĴŻ,Ȼ1042h,ƵҬԻ̿
    3Y(ji)cӑՓ
    3.1ŻNӰ
    ڴŻӱԄηĤH׃,ͬŻ(du)ͬһ|(zh)ĴŻͬ,ͬNŻ(du)ͬ|(zh)ҲвͬĴŻЧ,ںϳɴҬ̿ǰ,҂횴_ѴŻ1г˴ŻN(du)Ҭ̿ŻЧӰ(MRϵд߻̖(ho))

 


 

ɱ1Կ,MR-20ϳҬԻ̿ļѴŻ
    3.2pHֵӰ
    |(zh)r(sh)pHֵQ@N|(zh)ĵc(din)(dng)pHֵڵc(din)r(sh),|(zh)控ؓ(f),c(yng)xӱԄӵĴŻI,֮ȻpHֵܸ׃̿늺ɠB(ti),Ӱ푻̿܈F(tun)ĻW(xu)Y(ji)(gu),,pHֵ(du)ںϳɴԻ̿r(sh)ŻxЧ^Ӱ(D2)
D2pHֵ(du)MR-20ϳҬԻ̿Ӱ

 


 

ɈD2Կ,(dng)MR-20ԺϳҬ
̿r(sh),pHֵ1.8~2.4
    3.3Ӱ
    Żc֮̿gIŽחl؛Q[9]:
    (1)ǘOԵķA,@N(qing)^,SӱԄӶ
    (2)I
    (3)o
    (4)r(ji)I
    кN^(qing),ںϳҬԻ̿^,ҪһЩ}׃̿ı|(zh),ǻ̿늺ɠr,ĶӰcŻI,@ӵ},҂Q֮(du)MR-20ϳҬԻ̿Ӱ

 


 

    3.4ŻӰ
    SŻ,Ż|(zh)F|(zh)Ҳ(hu)һɈD4Կ,ڱ(xing)оķ(ni),ŻcŻƳʾ

 


 

 

Ի̿@΢R^͵͜ҺoB(ti)׽Y(ji)(gu),ŻҪڻ̿Ĵ׺ͱ氼̎,пҲ[10]X侀V(ESCA)(du)̿CԪؼ̩׃Y(ji),Żڻ̿ͻW(xu)ɷNʽ[11]
    4Y(ji)Փ
    (1)JX-01ԭϺϳɴԻ̿r(sh),MR-20ѴŻ
    (2)ڱ(xing)о(ni)ϳɴԻ̿ļїl:pH=1.8~2.4,ض60,m(dng)o(w)C(j)}
    (3)Ի̿ĸ(xing)ָ(bio)SŻʵĸ׃׃,׃

 

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