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Sodium sulfide waa nooc ka mid ah walxaha kiimikaad, sheeg kimistariga, waxaanu u malaynaynaa inay tahay tijaabo kiimikaad, tijaabada iyada oo aan qalab lahayn waa shaandhada, dhab ahaantii shaandhada, dadka intooda badani waxay arkeen wax yar intii lagu jiray dugsiga, waxaanu caadi ka nahay shaandhada yaryar ee fasalka kimistariga, laakiin waa la isticmaalay. Warshada kiimikada guud ahaan waxaa ku yaal qalab shaandheyn oo weyn, aan tagno si aan u aragno waxa shaandhada.

Shaandhaynta waa nooc ka mid ah hawlgalka kala soocida walxaha adag ee dareeraha ama gaaska ku dhex jira. Qalab badan ayaa loo isticmaalaa sifeynta. Halkan, dhowr qalab oo caadi ah ayaa inta badan lagu soo bandhigaa halkan, tixraaca soo saarayaasha kaliya.

(1) shaandhada tuubada

Waxay ka kooban tahay tuubo filter dalool ah, oo u fudud dahaarka iyo sifaynta, waxaana loo isticmaalaa in lagu sifeeyo wasakhda aadka u fiican ee sifaynta, sida capacitor borax, barium carbonate, iwm.

(2) centrifuge saddex-lugood

Samaynta alaabta. Hawlgalka jilicsan, raad yar, sahlan si loo xakameeyo kala-goynta iyo wakhtiga dhaqidda, laakiin wareegga shaandhaynta dheer, awoodda wax-soo-saarka yar, xoojinta shaqada sare. Kala soocida crystalline ee cusbada aan organic, sida copper sulfate, sodium erysalum, iwm.

(3) Taper-nooca centrifuge joogto ah

Alaabooyinka la sameeyay, sifeynta joogtada ah, dejinta, qaab dhismeedka fudud, dayactirka ku habboon, laakiin dhaqida ma wanaagsana, slurry filter waa saamiga yar yar ee adag, daadinta weyn, oo ku habboon kala soocida qaybaha waaweyn ee crystallization lebis, sida borax.

(4) Xarun dejineed Spiral dejinta

Sifeynta joogtada ah, keega filter waa la dhaqi karaa, shaandheyntu waxay ka kooban tahay 1-7%, oo ku habboon kala soocida isbeddelada waaweyn, farqiga weyn ee joojinta, waxaa jira toosan iyo toosan. Si loo sifeeyo calcium carbonate iyo nikkel sulfate.

Waxaa la arki karaa in ay jiraan wax ka badan hal qalab oo filter ah, laakiin noocyada kala duwan ee qalabka shaandhada, iyo sodium sulfide sidoo kale waxay u baahan tahay qalabkan tijaabada ah. Haddii aad baahi u qabto ama aad xiisaynayso sodium sulfide, waad nala soo xidhiidhi kartaa, waxaanu ku siin doonaa wax soo saar shaqo oo aad u fiican, ayaa kaa dhigi doona mid ku qanacsan.