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Akwai hanyoyin masana'antu guda biyu don samarwacaustic soda: causticization da electrolysis. Hanyar causticization ta kasu kashi zuwa soda ash causticization Hanyar da kuma na halitta alkali causticization hanya bisa ga daban-daban albarkatun kasa; Hanyar electrolysis za a iya raba zuwa diaphragm electrolysis Hanyar da ion musayar membrane Hanyar.
Hanyar ɓarkewar ash: Soda ash da lemun tsami ana canza su zuwa maganin ash soda kuma toka ana juyar da ita zuwa madarar lemun tsami bi da bi. A causticization dauki ne da za'ayi a 99-101 ℃. An fayyace ruwan causticization, ƙafe kuma ya mai da hankali fiye da 40%. Liquid caustic soda. Ruwan da aka tattara yana ƙara maida hankali kuma yana da ƙarfi don samun ƙaƙƙarfan caustic soda gama samfurin. Ana wanke laka mai lalata da ruwa, kuma ana amfani da ruwan wanke don canza alkali.
Hanyar causticization na Trona: Ana niƙa trona, a narkar da (ko alkali halogen), a bayyana, sannan a zuba madarar lemun tsami don yin causticize a 95 zuwa 100 ° C. An fayyace ruwan causticed, an ƙafe, kuma yana mai da hankali zuwa ma'aunin NaOH na kusan kashi 46%, kuma ana sanyaya tsayayyen ruwa. , Gishiri hazo da kuma ƙara tafasa don mayar da hankali don samun m caustic soda gama samfurin. Ana wanke laka mai lalacewa da ruwa, kuma ana amfani da ruwan wanka don narkar da trona.
Hanyar electrolysis na diaphragm: ƙara soda ash, caustic soda, da barium chloride maida hankali don cire ƙazanta irin su calcium, magnesium, da sulfate ions bayan gishiri na asali na asali, sa'an nan kuma ƙara sodium polyacrylate ko causticized bran a cikin tanki mai bayani don hanzarta hazo, kuma tacewa yashi Bayan haka, ana ƙara hydrochloric acid don neutralization. An preheated da brine kuma aika zuwa electrolysis. Ana sanya wutar lantarki ta riga-kafi, a fitar da ita, a raba ta cikin gishiri, sannan a sanyaya ta don samun soda mai ruwa mai ruwa, wanda aka ƙara mayar da hankali don samun samfurin da aka gama na soda mai ƙarfi. Ana amfani da ruwan wanke laka na gishiri don narkar da gishiri.
Hanyar musanya ion: Bayan ainihin gishiri ya zama gishiri, ana tace brine bisa ga hanyar gargajiya. Bayan an tace brine na farko ta hanyar microporous sintered carbon tubular filter, sannan a sake tace shi ta hanyar hasumiya ta canza launin resin don yin Lokacin da abun ciki na calcium da magnesium a cikin brine ya faɗi ƙasa da 0. 002%, brine mai ladabi na biyu yana electrolyzed don samar da iskar chlorine a cikin ɗakin anode. Na + a cikin brine a cikin ɗakin anode yana shiga ɗakin cathode ta hanyar ion membrane kuma OH- a cikin ɗakin cathode yana haifar da sodium hydroxide. Ana fitar da H + kai tsaye akan cathode don samar da iskar hydrogen. A lokacin aikin lantarki, ana ƙara adadin da ya dace na tsaftataccen acid hydrochloric zuwa ɗakin anode don kawar da remigated OH-, kuma ya kamata a ƙara ruwa mai tsafta da ake buƙata zuwa ɗakin cathode. Soda mai tsabta mai tsabta da aka samar a cikin ɗakin cathode yana da nauyin 30% zuwa 32% (mass), wanda za'a iya amfani dashi kai tsaye azaman samfurin alkali mai ruwa, ko kuma za'a iya ƙara mayar da hankali don samar da samfurin caustic soda.