
Background
Warshadaha batroolka, warshadaha sifeynta ayaa badanaa soo saara gaasaska aashitada ah inta lagu jiro howlaha farsamaynta sida nadiifinta faakuumka iyo dildilaaca catalytic. Gaasaska aashitada leh guud ahaan waxay ka kooban yihiin 85%-95% haydarojiin sulfide, 3%-10% Carbon Nayksaaydh, 2%-5% gaasaska dabiiciga ah, iyo 0.5%-3% qaybaha kale. Warshadaha sifeynta ee yar yar iyo kuwa dhexdhexaadka ah waxay badanaa isticmaalaan xal soodhaha caustic ah oo 30% ah si ay u nuugaan gaasaska aashitada ah ee ka dhasha inta lagu jiro sifeynta. Soodhaha caustic wuxuu la falgalaa haydarojiin sulfide si uu u sameysmo Sodium Hydrosulfide. Marka fiirsashada sodium hydrosulfide ee xalka ay gaarto 30%, xalka ayaa sii xoogeysanaya. Ka dib fuuqbaxa iyo xoogga saarista, maadada sodium hydrosulfide ee xalka waxay gaari kartaa 70%, ka dibna sodium hydrosulfide waxaa lagu farsameeyaa xaleef.
Si kastaba ha noqotee, joogitaanka carbon dioxide ee gaaska acidic waxay abuurtaa wasakhda sodium carbonate inta lagu jiro habka daaweynta, taas oo saameynaysa nadiifnimada alaabta sodium hydrosulfide. Intaa waxaa dheer, isticmaalka jeexjeexa duuban ee furan si loo jeexo sodium hydrosulfide ee dhalaalaysa waxay u horseedi kartaa falcelinta oksaydhka ee oksijiinta hawada, soo saarta thiosulfate, taas oo u nugul inay xumaato oo ay adagtahay in la kaydiyo. Goynta furan waxay sidoo kale u janjeertaa inay sii deyso gaasas cuncun leh, oo wasakheeya deegaanka wax soo saarka.
Habka Howlgalka
1. Kala soocida Bartamaha:
Ku wareeji xalka sodium hydrosulfide-ka uruursan ee taangiga fiirsashada una wareeji centrifuge toosan si aad u kala soocdid, adigoo helaya milix karsan iyo monohydrate sodium hydrosulfide dhalaalaysa.
2. Xakamaynta iyo qaboojinta vacuum:
U dir monohydrate monohydrate sodium hydrosulfide oo dhalaalaysa, ka dib kala-soocidda milixda, taangi dahaarka faakuumka si aad u kululeyso. Ka dib, ku dhex shub qaboojiyaha vacuum paddle si aad u qaboojiso oo aad u xoojiso go'yaal khafiif ah.
3. Boorsooyin Toos ah:
Waraaqaha sodium hydrosulfide waxaa lagu sii daayaa iyada oo loo sii marayo waalka xiddigta ee mashiinka bacaha oo toos ah oo baakadaha ah.
Intaa waxaa dheer, habka nadiifinta ee sodium hydrosulfide waxaa ka mid ah tillaabooyinka soo socda:
1. Ka wareeji xalka sodium hydrosulfide-ka uruursan ee taangiga fiirsashada una wareeji centrifuge toosan si loo kala saaro, adigoo helaya milix karsan iyo monohydrate sodium hydrosulfide dhalaalaysa.
2. U dir cusbada crystallized ee laga helay centrifugation ilaa qalajiyaha, halkaas oo marka ugu horeysa ay fuuq baxdo qaybta kululaynta ee lakabka sare ee qalajiyaha, ka dibna waxay gashaa qaybta qaboojinta ee lakabka hoose si loo qaboojiyo ka hor inta aan la ururin sida wakiilka daaweynta biyaha ee isticmaalka dambe.
3. Soodhiyam hydrosulfide monohydrate-ka dhalaalaysa, ka dib kala-soocidda milixda, waxa loo diraa haanta dahaarka faakuumka si loogu kululeeyo. Ka dib waxa lagu shubaa qaboojiyaha faakuumka si loo qaboojiyo oo loogu adkeeyo go'yo khafiif ah.
4. Waraaqaha sodium hydrosulfide waxaa lagu sii daayaa iyada oo loo marayo waalka xiddigta ee mashiinka bacaha oo toos ah oo baakadaha ah.
5. Marxaladda gaaska ee laga soo saaro haanta dahaarka faakuumka iyo qaboojiyaha vacuum paddle waxaa lagu daaweeyaa habka daaweynta gaaska qashinka.
Ugu Dambeyn
Habkani wuxuu marka hore ka soocaa milixda isku dhafan ee crystallized, sida sodium carbonate, iyo xalka sodium hydrosulfide. Kadibna, dhalada monohydrate sodium hydrosulfide ayaa si toos ah loogu xoojiyey xaashiyo khafiif ah iyadoo la isticmaalayo qaboojiye vacuum paddle. Ugu dambeyntii, badeecada waxaa lagu baakadeeyay iyadoo la isticmaalayo mashiinka bacaha oo toos ah. Isku-duubnaanta wasakhda kaarboonka sodium-ka ee alaabta ayaa laga soo yareeyay 2.4% ilaa 0.3%. Habka qaboojinta waxaa lagu qabtaa jawi cadaadis taban, kaas oo yareynaya suurtagalnimada sodium hydrosulfide inuu la xiriiro hawada oo uu ku dhaco oksaydh, si wax ku ool ah looga hortago hoos u dhaca alaabta. Isticmaalka nidaamka si buuxda u xiran ee nadiifinta sodium hydrosulfide waxay hubisaa in aan la sii dayn gaas cuncun inta lagu jiro habka, ka fogaanshaha wasakhda labaad ee deegaanka. Waraaqaha sodium hydrosulfide si toos ah baa loogu bacdi, ka hortagaya faddaraynta inta lagu jiro kaydinta. Intaa waxaa dheer, ikhtiraacani wuxuu leeyahay qaab fudud, wuxuu u baahan yahay qalab yar, wuxuuna leeyahay kharash yar.
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