Method for purifying mineral oil fractions and device suited...

Details Method for purifying mineral oil fractions and device suited... Method for purifying mineral oil fractions and device suited...

C - Chemistry, Metallurgy

10

G

C10G 45/22 (2006.01)

Patent

CA 2698211

The invention relates to a method for reducing the organic sulfur content in a sulfur-containing liquid fuel, wherein the sulfur-containing fuel is first brought in contact with a hydrogen-containing gas in a presaturator and subsequently the hydrogen- enriched liquid fuel is brought in contact with a suitable adsorbent in a reactor, wherein the adsorbent is able to adsorb at least part of the sulfur and/or of the sulfur compound from the fuel at the surface. The contact with the adsorbent can advantageously take place not only at higher temperatures of approximately 400°C, but also at moderate temperatures, as low as to room temperature, because the use of liquid fuel ensures very good contact between the fuel and the surface of the adsorbent, and therefore ensures reduction of the sulfur content.

L'invention concerne un procédé de réduction de la teneur en soufre organique d'un combustible liquide contenant du soufre, selon lequel le combustible contenant du soufre est d'abord mis au contact d'un gaz contenant de l'hydrogène dans un présaturateur, puis le combustible liquide enrichi en hydrogène est mis au contact d'un adsorbant approprié dans un réacteur, ledit adsorbant permettant d'adsorber au moins une partie du soufre ou du composé de soufre du combustible sur la surface. Ce contact avec l'adsorbant peut présenter des avantages non seulement à des températures plus élevées autour de 400 °C, mais également à des températures moyennes et même jusqu'à la température ambiante, car l'utilisation d'un combustible liquide permet un très bon contact entre le combustible et la surface de l'adsorbant, ce qui entraîne une réduction de la teneur en soufre.

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