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}ÓVÓքeҺwMęCùʽ

2013-08-02 14:42 Դ:δ֪

}ÓVÓքeҺwMęCùʽ


Ó}W(xu)ķ(wn)_ÓĿԭʯʯʯҵʹSO2ܽ⣺SO2+H2O=H2SO3H2SO3=HSO3-+H+HSO3-=H++SO32-ʹʯʯܽ⣺
CaO+H2O=Ca(OH)2Ca(OH)2=Ca2++2OH-ʹɷNҺMлW(xu)(yng)ܽSO2
Ca2++SO32-=CaSO3CaSO3+(1/2)H2O=CaSO3·(1/2)H2O

ҺwM
HSO3-+(1/2)O2=H++SO42-Ca2++SO42-=CaSO4↓CaSO4+2H2O=CaSO4·2H2O↓
Įa(chn)CaSO4·2H2O↓ʯࣩһNˮķ(wn)|(zh)ڽϺˮԭ
 
@Nͨfʯʯ—ʯ෨Ó򄩣FGDĻW(xu)C



Їخa(chn)VMÓķԭVVʯVҲ(jng)^SO2ܽ⣬MgOܽ⣺MgO+H2O=Mg(OH)2MgO+2CO2+H2O=Mg(HCO3)2

ʹɷNҺMлW(xu)(yng)ܽSO2
Mg(OH)2+SO2=MgSO3+H2O
Mg(HCO3)2+SO2=MgSO3+H2O+2CO2
MgSO3+H2O+SO2=Mg(HSO3)2
MgO+Mg(HSO3)2=2MgSO3+H2O Ҫɴ^MgOҪ5%^

ҺwM
MgSO3+1/2O2=MgSO4
MgO+SO2+1/2O2=MgSO4ڽ(jng)^Y(ji)sa(chn)ϼMgSO4·1H2OҲa(chn)I(y)MgSO4·7HOMлMgSO3Ó򄩲a(chn)

Ó
ðͰˮc͵ﷴ(yng)ÓÓҲˮܽSO2NONO2γHSO3HSO4HNO3ȻcNH3ˮl(f)W(xu)(yng)
H2SO4+2NH3=(NH4)2SO4HNO3+NH3=NH4NO3
SO2+H2O+1/2O2=H2SO4H2SO3+2NH3=(NH4)2SO3
(NH4)2SO3+H2O+SO2=2NH4HSO3NH4HSO3+NH3=(NH4)2SO3
(NH4)2SO3ڔ(sh)Сr(ni)Ա(NH4)2SO3+1/2O2=(NH4)2SO4ă(yu)١Ⱦa(chn)Ʒ;V鰱ʣҲԌF(xin)ѭh(hun)ʹÓÓһǰˮăr1200—1500Ԫ/O(sh)ҪߣһͶY


ûAͼAҺMÓSO2ˮcNaOHNa2CO3(yng)
2NaOH+SO2=Na2SO3+H2O
Na2CO3+SO2=Na2SO3+CO2↑
Na2SO3+SO2+H2O=2NaHSO3
NaHSO3+NaOH=Na2SO3+H2O
2NaHSO3+Na2CO3=2Na2SO3+H2O+CO2↑
 
Һ̎пNa2SO3cNaHSO3ˮܽȵIJͬʹNa2SO3Y(ji)鸱a(chn)Ʒֽ̎ʹ֮AͼAăr^ߣҸgҲ^ڮ(dng)ǰʹòǺձcĻA(ch)ϣںڼʯʯa(chn)ʯԹ(ji)ʡֵĻAA@pA

̿Ó
̿ϵܻ߻ÓеĶͬrYԴķCǣSO2O2H2O̿߻SO2+1/2O2=SO3֮ˮϳɞ᣺SO3+H2O=H2SO4ˮ_ϴϺa(chn)ϡ᣺H2SO4+n H2O=H2SO4·n H2Osɞ鸱a(chn)Ʒ̿Óˇ̶\оSoÓСˮСÓɱa(chn)ƷɾCãÓСܺĺ̿ĴÓЧʵԬF(xin)ڲڴҎ(gu)ģ偠tҲ]γɮa(chn)I(y)

ˮ/ʯ/I(y)Uˮ/偠tUˮÓ
ˮ^̼}c}ʯе̼}I(y)Uˮ偠tUˮеĉA|(zh)ǿcԵĶ򷴑(yng)ÓÓǿԾCõYԴڌHБ(yng)Õr׿ƝÓЧ(wn)ÓЧȱcҪ
 

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