Deville process
id:
deville-process-322-9359865
title:
Deville process
text:
The Deville process was the first industrial process used to produce alumina from bauxite. The Frenchman Henri Sainte-Claire Deville invented the process in 1859. It is sometimes called the Deville-Pechiney process.
It is based on the extraction of alumina with sodium carbonate. The first stage is the calcination of the bauxite at 1200 °C with sodium carbonate and coke. The alumina is converted in sodium aluminate. Iron oxide remains unchanged and silica forms a polysilicate. In the second stage
brand slug:
wiki
category slug:
encyclopedia
description:
Early industrial process
original url:
https://en.wikipedia.org/wiki/Deville_process
date created:
date modified:
2024-04-19T04:23:12Z
main entity:
{"identifier":"Q17009027","url":"https://www.wikidata.org/entity/Q17009027"}
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fields total:
13
integrity:
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