Co2 treatment to remove calcium from crude

C - Chemistry – Metallurgy – 10 – G

Patent

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Details

C10G 17/08 (2006.01) C07C 7/17 (2006.01) C10G 17/00 (2006.01) C10G 29/02 (2006.01)

Patent

CA 2266524

The present invention is a process to remove a +2 ionic charged metal from a petroleum feed. The process includes contacting feed with carbon dioxide at a temperature between 40 °C and 200 °C and autogenous pressure. In a preferred embodiment the metal is a Group II metal. In particular, the metal is calcium.

La présente invention a trait à un procédé destiné à extraire un métal chargé d'ions 2+ d'une charge alimentation en pétrole. Ce procédé comprend la mise en contact de la charge d'alimentation avec du dioxyde de carbone, à une température située entre 40 DEG C et 200 DEG C, et une pression autogène. Dans un mode de réalisation préféré, ce métal appartient au groupe II. En particulier, ce métal est du calcium.

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