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W(xu)ȥߎXFs|(zh)

W(xu)ȥߎXFs|(zh)

ߎXһN܃(yu)ĹI(y)VV(yng)մ켈z

ġʯͻմɹI(y)õ^ࡣߎXȿմ

ֿ

oՓմɹI(y)߀I(y)TߎXİ׶ȶһҪȻa(chn)

ĸߎXһЩЙC(j)|(zh)F⁡iԪصĵVӰȻ

ߎXеFs|(zh)HӰմɮa(chn)Ʒğɫ߀(yn)Ӱմɮa(chn)Ʒ

ܺͻW(xu)(wn)óҎ(gu)xVSFVԵVP(x)w

Fs|(zh)ȥЧ@ûW(xu)FЧسȥ@Fs|(zh)

һߎXĻW(xu)F

ĿǰߎXõĻW(xu)F߀ԭ͝h-߀ԭ“(lin)ϷN

߀ԭ(yng)õVwһNm(yng)Ҫ(j)ߎXкеFV́



һF

(dng)ߎXкSFVЙC(j)|(zh)rʹVʻɫ@Щ|(zh)ϴ߀

ԭyԳȥҪFM(jn)Ưס

FÏ(qing)ˮ|(zh)Ќ̎߀ԭB(ti)SFVɿ

ˮāFxͬrɫЙC(j)|(zh)ʹɞܱˮϴȥğoɫ

õдc^iȚȡ

FЧc|(zh)pHֵP(gun)߀ܵVʯضȡˎV{

ƯוrgصӰ

pHֵӰ}}ڲͬpHֵͬډA

|(zh)^(wn)ԺԽ|(zh)в(wn)ҷֽѸ٣ɏ(qing)ɷ

ԣPh56l(qing)˕rrFxҲ^

(wn)

ضȵӰ푡SضƯׄˮٶȼӿ죬ƯٶҲӿ

Ưוrgsض^ߕrˎֽٶ^M(fi)Ⱦ

h(hun)Hпڳͨ^Ӵˎ{(dio)pHֵLƯוrgȁ_(d)

A(y)Ч

ˎӰˎcԭVԡs|(zh)̶(yng)ضȡ

rgpHֵP(gun)ˎ^^СӰ푳FЧ

V{ȵӰ푡ˎһrV{Ƚ̈́tFƯЧ½

^ڮa(chn)Ʒϴ^Vˎx^ҲӰ푮a(chn)Ʒ

ƯוrgӰrgԽLFЧԽã_ʼr(yng)ٶȺܿSԽ

Խֽ(jng)(j)ƯוrgҪͨ^ԇܴ_

߀ԭF

U߀ԭ

ߎX߀ԭFõˎBcI(y)ַQ鱣U

ʽNa2S2O4һN(qing)߀ԭߎXдڵrFﲻˮҲy

ϡڱU۴ڵėlɌFеrF߀ԭrFڶ

rFˮ(jng)^Vϴ켴ɳȥԓ^̵Ҫ(yng)£

O3 Na2SO4 H2S2O4=Na2SO4 2FeSO3 H2O

Ӱ@һ(yng)^̵Ҫ£

1ȵӰ

U߀ԭFķ(yng)ډAԗlM(jn)СƯ׷(yng)pHֲֵ

̫tU۷(wn)½l(f)ֽⷴ(yng)ԇpH=0.8rҜֻ

Ҫ2minU۾ֽ͕һ

2ضȵӰ

c(sh)W(xu)(yng)һӣUcFķ(yng)Sض߶ӿDZU

۵ķ(wn)ԄtSض߶½ڌHa(chn)пƺlڳƯ

Ҳȡ^Ч

3UӰ

Փ(j)ߎXFӋUHh(yun)h(yun)

^Փ

Uһͨ^ԇ_ҪM(jn)гFƯ׵ĸߎXFe2O3

̫ߣһ1tU^(do)³Fɱ

4صӰ

(yng)rgFЧӰ^rg^_(d)׶ȣrg^LM(fi)ˎ

՚rFͬӌ(do)®a(chn)Ʒ׶½һJ(rn)(yng)rg

(yng)40min2h(yng)ꮅ(yng)ϴ^Vt͕F(xin)SF(xin)rF

ʹߎX׶ȽV{mƯױӰ푲^ߕrV

{ճʹ(yng)yM(jn)УһV{ȑ(yng)15

仯c߀ԭ

õ߀ԭBc߀B\֮ǰߺܲ(wn)

߄t(wn)öB\ƯוrʹUˮ\xӝ^

ˮȾɲ仯c߀ԭ

@NHƯ^ͨ^仯ccˎ(yng)B

cM(jn)Ưw^̞飺

pH7.010.0ėlһ仯cNaOHcV{Ȼ

ͨSO2w{(dio)(ji)pHֵ67pHֵڵV{Юa(chn)B

cH2SO3SO2{(dio)(ji)pHֵ2.54˕rɰl(f)Ư׷(yng)B

cķ(yng)£

9NaOH 9SO2=4Na2S2O4 NaBO2 NaHSO3 6H2O

@Nı|(zh)Bc߀ԭƯpH67rɵĴ

Bcʮַ(wn)

SpHֵ͕rBccߎXV{еF(yng)õ

rĶBcķֽpʧ

߀ԭj(lu)ϳF

ǰߎXеrFBc߀ԭɶrF^

Vϴa(chn)Ʒ͕F(xin)SF(xin)Q@һ}^ЧķǼӽj(lu)τʹr

Fxӵõj(lu)϶ױÁ팦FM(jn)нj(lu)ϵˎܶᡢ

ϡuu}}Ҷ}ȡ

߀ԭ“(lin)ϳF

ЩߎXΪ(d)F߀ԭF_(d)MЧ@r

߀ԭ“(lin)ϳFM(jn)ƯסԓˇÏ(qing)c^

䌦ߎXеȾɫЙC(j)|(zh)SFVM(jn)ȥȻBcM(jn)

߀ԭƯʹߎXʣFFe2O3FeOOHȱ߀ԭɿԶr

Fȥʹ@һߎXõƯס

Y(ji)Z

ߎXľӹҪ(jng)^ἃּƬxW(xu)Ư׵һϵй

W(xu)Ư׷ˎɱ^ڹI(y)a(chn)ҪǰĎ׵?q)?/span>

ߎXM(jn)xVFȻM(jn)лW(xu)ƯԱMpƯ׹ˇ̎ĵV{

pƯׄ

SƌW(xu)g(sh)İl(f)չմɹI(y)I(y)TߎXİ׶ҪԽԽ

W(xu)FƯ׷õVđ(yng)á

FἃLʯ۵šԇ [(do)x]ͨ^ؗlԇcԇ򞣬ꖸݿh

VI(y)˾LʯM(jn)FԇԇY(ji)we?jn)?sh)40%

ض94rg210mină(yu)lLʯFĽʞ93.2%F

Ч@

LʯһNҪĹI(y)ԭȻLʯVʯձ麬^F|(zh)

LʯĽ(jng)(j)rֵҲKS๤I(y)I(lng)đ(yng)áоFǵV

FһN^÷FἃLʯDZ^µn}Ŀǰ@һ

оڳ·քeÆغԇоFἃ

Lʯšl

һԇcо

һԇ

ԇԭVLʯԺԿh𶼵VI(y)˾ԭVӽ(jng)ĥC(j)顢

(x)̎^200Ŀ0.074mm׺YFԇØƷδ(jng)x

x̎LʯVҪɷҊ1

 

 

о

ؗl򞣺ˮԡA(y)ضȺʢğA(y)

O(sh)ض(zhn)_QȡLʯ1g_(d)O(sh)ķ(yng)rgȡ

ˮs˕r(yng)Y(ji)(jng)ˮѭh(hun)ʽձ^Vˮϴֱ

VҺӽyVҺFe2Ķó˴FĽδ_

ѽrgضȺͽwe?jn)?sh)

ԇ򞣺M(jn)һ_ظˮƽFЧӰ푣43ˮ

ƽԇ򞌦ԇlM(jn)˃(yu)_Fˇ(sh)

ԇY(ji)

һwe?jn)?sh)cFʵP(gun)ϵ

ضȞ94棬rg210minоwe?jn)?sh)FʵӰ푣Y(ji)

ҊD1

D1 we?jn)?sh)cFʵP(gun)ϵ

ɈD1ҊFSwe?jn)?sh)fڅwe?jn)?sh)ӵ

һ̶ȺFL@ˡCϹˇla(chn)ɱ]we?jn)?sh)

%ҕrЧ^á

rgFӰ

ضȞ94we?jn)?sh)40%rоrgFʵӰY(ji)

ҊD2

 

D2 rgcFʵP(gun)ϵ

ɈD2ҊFSrgLfڅݡrg^150min󣬳F

څƽrg210minrF_(d)93.2%_

rg210min

ضȌFӰ

we?jn)?sh)40%rg210minrоضȌFʵӰ푣Y(ji)

ҊD3

 

D3 ضcFʵP(gun)ϵ

ɈD3ԿSضȵF(dng)ض_(d)90Ժ

Fʻ׃ʴ_FضȞ90档

ģԇY(ji)

ؗlԇwe?jn)?sh)rgضȌLʯгFӰ

@M(jn)һ_ظˮƽFЧӰ43ˮƽ

ԇ򞌦ԇlM(jn)˃(yu)еV،ЧӰ푲Ǻ@

̶V|(zh)1gԇlY(ji)քeҊ2c3

 

 

עMiʾԓˮƽ3؏(f)ijF֮͵ƽֵ

ɱ3Y(ji)Կԇl(ni)^ȡ^ߵĜضȺ^

LrgFЧ^we?jn)?sh)40%ضȞ94

rg210minlLʯF_(d)ֵ93.2%

we?jn)?sh)40%(yng)ضȞ94ėl£ڷ(yng)_ʼAF

ܽdzһΕrg(yng)ٶڅƽ120minԌ(yng)^̷

ɂAΡԽܵM(jn)иߎXFԇrҲl(f)F(xin)FܽăA

J(rn)һAηӳƷдڿԵVڶAX}Vᄃ

г|(zh)ͬ΢F|(zh)ܽ⡣

(j)տsδ(yng)оģ(dng)Ʒ(yng)^̵IJE黯W(xu)(yng)rFcr

gM㣺

11/3kht 1

(dng)ƲEU(ku)ɢ^̕rtϣ

12/3kkt 2

ʽatrgkhkkքe鮔(dng)ƲEU(ku)ɢ^̺ͻW(xu)(yng)

rʳ(sh)Կ_ʼAη(yng)ҪɻW(xu)(yng)ʿtɔU(ku)

ɢÿChiriziaоFFVrl(f)F(xin)ܽ^ɱ

滯W(xu)(yng)FVĸWʯF|(zh)ܽdzy

˿ҊLʯF_ʼAҪǴO(x)СĸFVwFV

FVSFVȵVܽ⣬˺Ҫ΢бLʯ΢F|(zh)

Y(ji)Z

һ(j)ጦLʯ۵ԇwe?jn)?sh)ضrgͬ

ĕrFҲͬͨ^ԇ򞼰Y(ji)֪һr

we?jn)?sh)Խ󡢜ضԽrgԽLFЧһЩͨ^43

ˮƽԇwe?jn)?sh)40%ض94棬rg210 mină(yu)l

õLʯFĽʞ93.2%

LʯF(yng)_ʼrF|(zh)ܽٶȘO(yng)ҪɻW(xu)

(yng)ܽt(yng)ɔU(ku)ɢÿ

ĞVҺкдF|(zh)xwe?jn)?sh)Ժܴú

ļg(sh)·ɞVҺȡFt၆FȮa(chn)ƷʹʣUҺ

ѭh(hun)ãĶa(chn)ɱP(gun)Ć}дM(jn)һо

ʯӢɰF·

[̎DƬδdɹ]

FķжN˳•FxFxFȷ⣬ʯӢɰSʾ

ȥʯӢɰеFs|(zh)

ӢɰFʯӢɰ(HF)F(xin)es|(zh)VܱҺܽc(din)ĶԌȥFVĿHԏʯӢɰгȥFVʯӢеķǽs|(zh)V

ȥЧ

xʯӢwкɷ԰c(din)wΑB(ti)Bwڱ档ҪÓ@s|(zh)M(jn)̎}͚ȡFeAIMgÓЧоl(f)F(xin)}

ȥЧҪá

ʯӢɰкɷԵVOwԼVΑB(ti)ڣûȆһЧNԼ?q)s|(zh)VȥҲ^ӰҺҪmҺ^ͣĕr

sЧҺ^ʹɱO(sh)ĸgӄͬӕʹSiO2a(chn)ضȌʯӢs|(zh)ijȥӰ^ضԽ(yng)ٶԽrԽLضԽē]Ķʹ⣬rgVȼV{ȥЧa(chn)Ӱ(dng)(jng)һƷs|(zh)_(d)Ҫ߀M(jn)жͶֱs|(zh)Fĺ_(d)Ҫֹ fʹ}͚M(fi)øҌh(hun)Ӱ푴W(xu)F SWʹóȥʯӢɰVеF@NøcVFe3 (yng)ɽj(lu)ˮ_(d)FrFܽC(j)ЄeڟoC(j)ጦFVܽ⡣ʹòF(yu)c(din)rγ˿Խj(lu)F(III)j(lu)x)ԓj(lu)΢չ¾ɱֽòFVʯһҪѵVʯĥ(x)ƽ20umң̎Vʯ3hFʿ_(d)80100

̎ɫ@SiO2_(d)99.99F(xin)e<235ppmĸ߼ʯӢɰ

Aڭh(hun)Ƽ޹˾ɽ(ni)дџߎXИI(y)I(y)(x)32580010001250Ŀ a(chn)50-200ÿa(chn)ɼg(sh)D(zhun)׌ɳO(sh)a(chn)Ʒ

Aڭh(hun)Ƽ޹˾I(y)YԴߎXИI(y)a(chn)ĻD(zhun)G\(yn)D(zhun)ʿ10%ϣa(chn)5%10%ܺĽ20%a(chn)_(d)50-500t/dӹ(ji)ܭh(hun)ֱԃ18637113703(΢̖ͬ)Aڭh(hun)�Ƽ˾\(w)Srgӭǰ텢^!

I(y)ۺ(w)
1ǰ҂ṩԔ(x)Įa(chn)ƷBӰĿԸ(j)͑̎Ҫ]męC(j)ͲԔ(x)ĈrΣͬr߀ṩP(gun)ڏSa(chn)܇gC(j)\(yn)РB(ti)ҕl͑^
2(dng)͑†ԺAڼg(sh)̎Ҫȥ͑F(xin)̽Ԕ(x)š̲ÈDԼA(ch)D
3҂SrņTҕl͸M(jn)͑O(sh)a(chn)M(jn)(yn)O(sh)
4O(sh)Sǰ҂ԇC(j)\(yn)24СrṩԔ(x)ęzySͬO(sh)xl(f)؛
5O(sh)䵽_(d)F(xin)҂M(fi)ۺ󹤳̎_(d)F(xin)ؓ(f)؟(z)͑b{(dio)ԇֱO(sh)a(chn)ؓ(f)؟(z)Ӗ(xn)ˆT͑ȫa(chn)ɻع˾


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