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ͬC(j)wŒÓϵy(tng)Y(ji)ܮa(chn)Nֽ⹫ʽ

2013-04-16 09:36 Դ:δ֪

ͬC(j)wŒÓϵy(tng)Y(ji)ܮa(chn)Nֽ⹫ʽ

    ÓһָÓȼԭϻеx򻯺ˎȾĿƺ̎ҪָȥUSO2SO3õˎNAԻﶼÓ򄩡ÓM(jn)Óɷ֞}ÓVÓÓcÓ̿Ó򣨻̿UˮÓ棬׌҂˽@NÓ򷨵֮̎

һ}Ó
}W(xu)ķ(wn)_(d)ÓĿģԭʯʯʯҵʹSO2ܽ⣺SO2+H2O=H2SO3H2SO3=HSO3-+H+HSO3-=H++SO32-ʹʯʯܽ⣺

 
CaO+H2O=Ca(OH)2Ca(OH)2=Ca2++2OH-ʹɷNҺM(jn)лW(xu)(yng)ܽSO2

 
Ca2++SO32-=CaSO3CaSO3+(1/2)H2O=CaSO3·(1/2)H2O

 
ҺwM(jn)

 
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(j)

ڶVÓ
Їخa(chn)VM(jn)ÓķԭVVʯVҲ(jng)^SO2ܽ⣬MgOܽ⣺MgO+H2O=Mg(OH)2MgO+2CO2+H2O=Mg(HCO3)2

 
ʹɷNҺM(jn)лW(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(jn)

 
MgSO3+1/2O2=MgSO4

 
MgO+SO2+1/2O2=MgSO4ڽ(jng)^Y(ji)sa(chn)ϼMgSO4·1H2OҲa(chn)I(y)MgSO4·7HOM(jn)лMgSO3Ó򄩲a(chn)ᡣ

Ó
ðͰˮc͵ﷴ(yng)ÓÓáҲˮܽSO2NONO2γHSO3HSO4HNO3ȻcNH3ˮl(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)ҪһͶY

cÓ
ûAͼAҺM(jn)ÓSO2ˮcNaOHNa2CO3(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^ҸgҲ^ڮ(dng)ǰʹòǺձ飬cĻA(ch)ںڼʯʯa(chn)ʯԹ(ji)ʡֵĻAA@pA

̿Ó
û̿ϵܻ߻ÓеĶͬrYԴķC(j)ǣSO2O2H2O̿߻SO2+1/2O2=SO3֮ˮϳɞ᣺SO3+H2O=H2SO4ˮ_ϴϺa(chn)ϡ᣺H2SO4+n H2O=H2SO4·n H2Osɞ鸱a(chn)Ʒ̿Óˇ̶̡\оSo(h)ÓСˮСÓɱa(chn)ƷɾCÓСܺĺ̿ĴÓЧʵԬF(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)ÓǿԾCõYԴڌHБ(yng)ÕrÓ׿ƝÓЧ(wn)ÓЧȱcҪ
 

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