B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 20/10 (2006.01)
Patent
CA 2629829
The invention provides a process for sequestration of carbon dioxide by mineral carbonation comprising the following steps: (a) converting a magnesium or calcium sheet silicate hydroxide into a magnesium or calcium ortho- or chain silicate by bringing the silicate hydroxide in direct or indirect heat- exchange contact with hot synthesis gas to obtain the silicate, silica, water and cooled synthesis gas; (b) contacting the silicate obtained in step (a) with carbon dioxide to convert the silicate into magnesium or calcium carbonate and silica.
L~invention concerne un procédé de séquestration de dioxyde de carbone par carbonation minérale, ledit procédé comprenant les étapes suivantes : (a) convertir un hydroxyde de silicate stratifié de magnésium ou de calcium en un silicate ortho ou en chaîne de magnésium ou de calcium en mettant l~hydroxyde de silicate en contact thermique direct ou indirect avec un gaz de synthèse chaud afin d~obtenir le silicate, de la silice, de l~eau et le gaz de synthèse refroidi ; (b) mettre en contact le silicate obtenu à l~étape (a) avec du dioxyde de carbone afin de convertir le silicate en du carbonate de magnésium ou de calcium et de la silice.
Geerlings Jacobus Johannes Cornelis
Wesker Evert
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Shell Internationale Research Maatschappij B.v.
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