Pechiney H+


Pechiney H+ : A process for extracting aluminum from clays and other aluminous ores and wastes by hydrochloric acid. The ore is first attacked by sulfuric acid and a hydrated aluminum chloride sulfate is isolated. Sparging a solution of this with hydrogen chloride precipitates aluminum trichloride hexahydrate, which is pyrohydrolyzed in two stages
No records Found
afaatim.com copyright © April 2016 Dr.K.R.Kamaal. All rights reserved