Zirconium oxychloride pyrolysis txoj kev: zircon thiab caustic soda yog yaj ntawm 650 degree, dej kub yog leached tawm ntawm yaj, thiab silicon yog cais los ntawm sodium zirconate nyob rau hauv daim ntawv ntawm sodium silicate.
Tom qab kev kho mob nrog sulfuric acid, ib tug zirconium sulfate tov yog tau. Tom qab tshem tawm cov impurities ntxiv, ammonia dej ntxiv rau precipitate zirconium hydroxide. Ntxiv hydrochloric acid kom yaj zirconium hydroxide kom tau txais zirconium oxychloride.
Tom qab evaporation, concentration, txias, crystallization, pulverization, thiab roasting, zirconium dioxide yog tau raws li cov khoom tiav; Nyob rau hauv tas li ntawd, zirconium tebchaw uas yooj yim rau purified yuav thermally decomposed los yog oxidized los npaj siab purity Zirconia.
