Method for desulfurization of liquid hydrocarbons and...

C - Chemistry – Metallurgy – 10 – G

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C10G 25/00 (2006.01) C01B 3/38 (2006.01) C01B 3/40 (2006.01) C10G 29/04 (2006.01) H01M 8/06 (2006.01)

Patent

CA 2493034

Provided is an optimum usage of a desulfurizing agent for liquid hydrocarbons by which the sulfur content of kerosene can be efficiently lowered without the addition of hydrogen and which brings about prolongation in the lifetime of the desulfurizing agent. A process for desulfurization which comprises removing sulfur and sulfur-containing compounds from kerosene by the use of a metallic desulfurizing agent without the addition of hydrogen, characterized in that the desulfurization conditions satisfy the relationship (1): 1.06 x Pope0.44 < Tope/T50 < 1.78 x Pope0.22 (1) [wherein Tope is operation temperature (~C); Pope is operation pressure (Mpa); and T50 is 50% distillation temperature as determined by ~test method for distillation at atmospheric pressure~ stipulated in JISK2254 ~Petroleum products - Determination of distillation characteristics~].

L'invention se rapporte à une utilisation optimale d'un agent de désulfuration pour hydrocarbures liquides au moyen duquel il est possible de réduire efficacement la teneur en soufre d'un kérosène sans addition d'hydrogène et qui permet d'allonger la durée de vie de l'agent de désulfuration. L'invention concerne un procédé de désulfuration qui consiste à extraire du kérosène le soufre et les composés contenant du soufre, au moyen d'un agent de désulfuration métallique sans addition d'hydrogène, qui se caractérise en ce que les conditions de désulfuration satisfont la relation (1) : 1,06 x P¿ope??0,44 ¿< T¿ope?/T¿50? < 1,78 x P¿ope??0,22 ¿[où T¿ope ?est la température de fonctionnement (·C) ; P¿ope? est la pression de fonctionnement (Mpa) ; et T¿50? est la température de distillation à 50 % ainsi que déterminée par <= le procédé d'essai pour une distillation à pression atmosphérique >= stipulé dans JISK2254 <= produits pétroliers-détermination des caractéristiques de distillation >=].

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