Fuel-cell fuels, methods, and systems

C - Chemistry – Metallurgy – 10 – L

Patent

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Details

C10L 1/00 (2006.01) C10L 1/04 (2006.01) C10L 1/08 (2006.01) C10L 1/16 (2006.01) C10L 1/182 (2006.01) C10M 101/02 (2006.01) H01M 8/00 (2006.01) H01M 8/04 (2006.01) H01M 8/06 (2006.01) H01M 8/12 (2006.01) H01M 8/18 (2006.01) C10L 1/14 (2006.01) C10L 1/18 (2006.01)

Patent

CA 2364537

A fuel cell fuel, a method of making a fuel cell fuel, a fuel cell system utilizing Fischer-Tropsch feed and a method of operating a fuel cell are disclosed. The fuel cell fuel is a light Fischer-Tropsch liquid having at least 77 wt.% normal and iso-paraffins, les than 20 wt.% olefins, less than 9 wt.% alcohols, less than 0.001 wt.% sulfur and less than 5 wt.% aromatics. The process of making the fuel cell fuel includes separating a heavy portion from a Fischer-Tropsch liquid, hydrocracking the heavy portion and separating a C5- C18 portion from the hydrocrackate.

La présente invention concerne un combustible pour pile à combustible, un procédé de fabrication de combustible pour pile à combustible, un système de pile à combustible mettant en oeuvre une alimentation Fischer-Tropsch et un procédé de fonctionnement d'une pile à combustible. Le combustible pour pile à combustible est un liquide léger de Fischer-Tropsch présentant au moins 77 % en poids normal et d'isoparrafines, moins de 20 % en poids d'oléfines, moins de 9 % en poids d'alcools, moins de 0,001 % en poids de soufre et moins de 5 % en poids d'aromatiques. Le procédé de fabrication de combustible pour pile à combustible comprend la séparation d'une fraction lourde d'un liquide de Fischer-Tropsch, l'hydrocraquage de la fraction lourde et la séparation d'une fraction en C¿5?-C¿18? du produit hydrocraqué.

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