A system and process for hydrocarbon synthesis

C - Chemistry – Metallurgy – 10 – L

Patent

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C10L 1/32 (2006.01) C10L 1/04 (2006.01)

Patent

CA 2698246

The invention relates to a system and process for producing liquid hydrocarbons from a calcium carbonate feedstock involving (i) liberation of a carbon dioxide gas from the heated calcium carbonate feedstock; (ii) filtering impurities from the extracted carbon dioxide of step (i); (iii) reacting the extracted carbon dioxide obtained in step (i) with a dihydrogen gas to form a methanol feedstock; (iv) isolating the cooled methanol feedstock formed in step (iii); (v) catalytically converting at least part of the methanol feedstock obtained in step (iii) at elevated temperature and pressure into aliphatic and aromatic liquid hydrocarbons; and (vi) isolating the decompressed liquid hydrocarbon product obtained in step (v).

La présente invention concerne un système et un procédé pour produire des hydrocarbures liquides à partir d'une charge d'alimentation de carbonate de calcium comprenant (i) la libération d'un gaz de dioxyde de carbone de la charge d'alimentation de carbonate de calcium chauffée ; (ii) la filtration des impuretés du dioxyde de carbone extrait de l'étape (i) ; (iii) la réaction du dioxyde de carbone extrait obtenu dans l'étape (i) avec un gaz de dihydrogène de façon à former une charge d'alimentation de méthanol ; (iv) l'isolement de la charge d'alimentation de méthanol refroidie formée dans l'étape (iii) ; (v) la conversion catalytique d'au moins une partie de la charge d'alimentation de méthanol obtenue dans l'étape (iii) à une température élevée et une pression élevée en hydrocarbures liquides aliphatiques et aromatiques ; et (vi) l'isolement du produit de type hydrocarbure liquide décomprimé obtenu dans étape (v).

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