A grading decomposer apparatus for continuously decomposing a liquor of sodium aluminate supersaturated in alumina comprises a cylindrical-conical tank for containing the liquor, having an upper cylindrical portion and an overflow generally peripherally disposed in the upper portion. A centrally disposed...http://www.google.fr/patents/US4818499?utm_source=gb-gplus-shareBrevet US4818499 - Apparatus for the decomposition of sodium aluminate liquor for the production of alumina
Apparatus for the decomposition of sodium aluminate liquor for the ...
