C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 45/02 (2006.01) C10L 1/08 (2006.01)
Patent
CA 2330140
A process for producing distillate fuels, such as diesel fuels and jet fuels, having both high lubricity and low sulfur levels. Such fuels are produced by fractionating a distillate feedstream (10) into a light fraction (12) which is relatively low in lubricity and which contains from about 50 to 100 wpm of sulfur and a heavy fraction (14) having a relatively high lubricity. The first fraction (12) is hydrotreated to remove substantially all of the sulfur (16) and is then blended with the second fraction (14) to produce a distillate fuel product (18) having relatively low sulfur levels and a relatively high lubricity.
L'invention concerne un procédé relatif à la production de mazouts légers (par exemple, carburant diesel et carburéacteur) à faible teneur en soufre et à pouvoir lubrifiant élevé. Ce type de produit est obtenu par fractionnement d'une charge de distillat (10) en une fraction légère (12) ayant un pouvoir lubrifiant relativement faible et renfermant, en poids, environ de 50 à 100 mg/l de soufre, et en une fraction lourde (14) ayant un pouvoir lubrifiant relativement élevé. La première fraction (12) est hydrotraitée, ce qui permet d'éliminer sensiblement la totalité du soufre (16), puis mélangée avec la seconde fraction (14), pour donner un mazout léger (18) à faible teneur en soufre et à pouvoir lubrifiant relativement élevé.
Berlowitz Paul Joseph
Daage Michel
Klein Darryl Patrick
Touvelle Michele Sue
Wittenbrink Robert John
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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