iinkqubo zokuvelisa calcium chloride

Kukho iinkqubo ezimbini zokuvelisa i- calcium chloride , enye yindlela ye-asidi kwaye enye yindlela ye-alkali.

Indlela ye-asidi ilungiswa ikakhulu yi-chemical reaction ye-limestone kunye ne-hydrochloric acid. Malunga ne-22% ye-dilute hydrochloric acid isetyenziselwa ukusabela kwi-limestone (equlathe malunga ne-52% ye-calcium) ukuvelisa i-27% yolwelo lwe-calcium chloride. Emva kokucoca kunye nokwahlula, intsalela yesihluzi iyalahlwa. I-filtrate ingathathi hlangothi ngobisi lwekalika ukulungisa i-pH = 8.9-9. Ukungcola kwisisombululo se-calcium chloride njengam, i-Fe, i-al1, njl. njl. ukwenza i-insoluble me (OH) 2, Fe (OH) 3, A1 (OH) 3, njl. Ikeyiki yokucoca yinkunkuma eqinileyo, I-filtrate ixhomekeke kwisiphumo esithathu esinyanzeliswayo sokujikeleza kwe-vacuum evaporation ukuze sigxininise i-27% yesisombululo se-calcium chloride ukuya kwi-68-69%, kwaye ifakwe kwi-flaker yemveliso. I-flake ye- calcium chloride yomiswa kumandlalo olwelo ukuvelisa i-74% ye-calcium chloride dihydrate.

Indlela ye-alkali ivelisa i-calcium chloride: 1. Inkqubo yokuqhuma ngokuthe ngqo kwe-calcium chloride: ngokubanzi, umxholo we-calcium chloride kwinkunkuma yotywala besoda ash yi-76.8g/l. Emva kokuhlanjululwa, kuqala kugxininiswe, kuhlulwe ngaphandle kweekristale ezingenamsebenzi, kwaye emva koko kugxininiswe ukufumana i-calcium chloride.

2. Ikhalsiyam chloride kwintsimi yetyuwa inkqubo yokuphuphuma komphunga ngaphambi kokuba ibe ngumphunga: ngokuqhelekileyo, ukusasazeka kwetyuwa kumhlaba wetyuwa kusetyenziswa ukukhupha ulwelo lwenkunkuma yothuthu lwesoda ngokwendalo. Ityuwa kulwelo olulahlwayo luzinzisiwe, kwaye ityuwa kulwelo olulahlwayo luya kugalelwa kuqala. Ngokunyuka kwe-evaporation, ityuwa eninzi iya kunyuka. I-calcium chloride eseleyo iya kuqokelelwa kwisixhobo sokuphefumula, kwaye i-calcium chloride iya kufumaneka.

Umahluko phakathi kweenkqubo ezimbini zokuvelisa kukuba ubulukhuni bekhalsiyam chloride obuveliswa yindlela yeasidi buphezulu kunoko ngendlela yealkali, kodwa kukho ukungcola okungaphezulu, umbala ongazinzanga kunye nencasa, kwaye indlela yeasidi inexabiso eliphantsi kunendlela yealkali. Iipilisi zeCalcium chloride ezifunyenwe yinkqubo yealkali zibhityile kwaye zibuthathaka, zicoceke kakhulu, zinobumdaka obumbalwa kunye nombala omhlophe kakhulu.

i-calcium chloride ipellet


Ixesha lokuposa: Aug-09-2022
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