Lub hydrometallurgy ntawm tungsten tsuas yog tsom mus rau tag nrho cov txheej txheem tsim khoom ntawm kev npaj tungsten trioxide los ntawm wolframite concentrate: Nws muab faib ua 6 ntu: crushing alkali boiling, purification, thiab impurity tshem tawm, synthesis ntawm scheelite, decomposition ntawm hydrochloric acid, ammonia kua crystallization, ziab. , thiab calcination. Cov khoom siv tseem ceeb ntawm hydrometallurgy yog lub pob zeb, tsho alkali boiling tank, lim xovxwm, purification tank, synthesis tank, nruas lub tshuab nqus tsev lim, enamel tshuaj tiv thaiv lauj kaub, calciner, thiab lwm yam.
Ua kom tawg alkali boiling:
Fe(Mn)WO4 plus 2NaOH=Na2WO4 plus Fe(Mn)(OH)2↓
Tus yuam sij rau txoj kev no yog yuav ua li cas los txhim kho tus nqi decomposition ntawm tungsten nyob rau hauv kev mloog zoo thiab tus nqi rov qab ntawm tungsten hauv hlau-manganese slag.
