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One Hundred Years Bayer Process For Alumina Production [In Arabic], Fathi Habashi
One Hundred Years Bayer Process For Alumina Production [In Arabic], Fathi Habashi
Fathi Habashi
Karl Josef Bayer (1847-1904), an Austrian citizen, went to study for a short time under Remingius Fresenius in Wiesbaden, then under Robert Bunsen in Heidelberg from 1868 to 1871. After a short period of independent work in Brno in Moravia he left to Russia to work at the Tentelev Chemical Plant in Saint Petersburg then at Yelbuga. It was there that he invented his process for the production of pure alumina from bauxite. In 1894 he returned to Austria but died suddenly at the age of 57. An Arabic translation of a text first published in Bulletin Canadian Institute of …
Friedrich August Henglein, Fathi Habashi
Friedrich August Henglein, Fathi Habashi
Fathi Habashi
Friedrich August Henglein (1893-1968) while working in the chemical industry in Germany performed in 1926 the first experiments for pressure leaching of zinc sulfide to form zinc sulfate solution. This was in connection of removing hydrogen sulfide from coke oven gas by absorption in zinc sulfate solution. The ZnS precipitated can then be transformed into zinc sulfate for recycle.