Patent ID: 7880043
Filing Date: 2011-02-01
Classification: C10G,Y02P

Abstract:
1. A method of treating a feedstock coming from a renewable source, comprising the following steps: a) hydrotreatment of said feedstock in the presence of a fixed-bed hydrotreating catalyst, said catalyst comprising at least one metal of group VIII and/or group VIB providing a hydrogenating a function and an amorphous alumina support, at a temperature of between 200 and 450° C., a pressure of between 1 MPa and 10 MPa and an hourly space velocity of between 0.1 h b) separation from the resultant effluent coming from step a) of the hydrogen, gases and at least one liquid gas-oil base having a sulphur content of less than 10 ppm by weight, and subjecting at least one part of the liquid gas-oil base obtained from step b) to a separate hydroisomerization step in the presence of a hydroisomerization catalyst comprising: