litaba

1. Mokhoa oa ho fokotsa mashala a silafalitsoeng, mashala a mirabilite le a pulverized a kopantsoe ka karo-karolelano ea 100: (21-22.5) (karolelano ea boima ba 'mele) le calcined le ho fokotsa mocheso o phahameng oa 800-1100 ° C,' me sephetho se pholile 'me se futhumatsa e qhibilihisoa ka har'a mokelikeli o nang le li-lye tse hlapollang, ka mor'a ho ema bakeng sa ho hlakisoa, tharollo ea lye e ka holimo e tsitsitsoe ho fumana sodium sulfide e tiileng. Letlapa (kapa granule) sehlahisoa sa sodium sulfide se fumanoa ka tanka ea phetisetso, tableting (kapa granulation)
Chemical reaction equation: Na2SO4+2C→Na2S+2CO2

2.Mokhoa oa ho monya: 380-420 g/L sodium hydroxide solution e sebelisoa ho monya litšila tse nang le H2S> 85% hydrogen sulfide, mme sehlahisoa se fumanoeng se fetoha mouoane ebe se tsepamisitsoe ho fumana sehlahisoa se felileng sa sodium sulfide.
Equation ea lik'hemik'hale: H2S+2NaOH→Na2S+2H2O

3. Mokhoa oa Barium sulfide, sodium sulfide e ka fumanoa e le sehlahisoa ha sodium sulfate le barium sulfide li sebelisoa bakeng sa metathesis reaction ho lokisetsa precipitated barium sulfate. Seo
Chemical reaction equation: BaS+Na2SO4→Na2S+BaSO4↓

4. Mokhoa oa ho fokotsa khase, ka pel'a tšepe ea tšepe, hydrogen (kapa carbon monoxide, khase ea mohlahisi, khase ea methane) e arabela ka sodium sulfate ka sebōping se belang, le boleng bo phahameng ba anhydrous granular sodium sulfide (e nang le Na2S 95%). fumana. ~97%).
Chemical reaction equation:
Na2SO4+4CO→Na2S+4CO2
Na2SO4+4H2→Na2S+4H2O

5.Mokhoa oa tlhahiso, mokhoa oa ho hloekisa o sebelisa tharollo ea sodium sulfide e nang le mahloriso a ka bang 4% ka sehlahisoa nakong ea ho hlahisa precipitated barium sulfate e le lihlahisoa tse tala. Ka mor'a ho e pompa ka har'a mouoane o nang le liphello tse peli hore e fetohe mouoane ho ea ho 23%, e kena ka tanka e susumetsang ho ntša tšepe. , Ka mor'a phekolo ea ho tlosoa ha carbon, lye e pompeloa ka har'a mouoane (e entsoeng ka lisebelisoa tse hloekileng tsa nickel) ho etsa mouoane oa lye ho fihlela mahloriso, 'me e romelloa mochine oa letlapa oa mofuta oa metsi a pholileng.

Feme ea rona e sebelisa mekhoa e 'meli, mokhoa oa ho fokotsa mashala le mokhoa oa barium sulfide, ho hlahisa li-flakes tse khubelu tsa sodium sulfide le li-flakes tse mosehla.