20140308182 | Method for Concentrating Metal Chlorides in and Separating Same from an Iron(III) Chloride-Containing Hydrochloric Acid Solution - A method for concentrating metal chlorides in and separating same from an iron(III) chloride-containing hydrochloric acid solution is described, wherein iron is precipitated from the solution as iron oxide, preferably haematite and filtered off in a filtration device, and the now further concentrated non-hydrolysable metal chlorides are removed from at least a part of the hydrochloric acid filtrate. | 10-16-2014 |