Process for the removal of contaminant compounds containing...

Details Process for the removal of contaminant compounds containing... Process for the removal of contaminant compounds containing...

C - Chemistry, Metallurgy

10

G

C10G 25/12 (2006.01) C07C 7/12 (2006.01) C10G 25/00 (2006.01) C10G 53/08 (2006.01)

Patent

CA 2232029

Process for the removal of contaminant compounds containing one or more heteroatoms of sulfur, nitrogen and/or oxygen from hydrocarbon streams characterized in that it comprises: - an adsorption step in which said compounds are adsorbed by means of an adsorber essentially consisting of silica gel, possibly modified with one or more metals selected from the elements of groups IVb, Vb, VIb, VIII, Ib, IIb or from tin, lead or bismuth, carried out at a temperature of between 0 and 150°C and at a pressure of between 1 and 20 atm; - an optional washing step with polar solvents or hydrocarbons; and - a regeneration step for removing the substances adsorbed by means of thermal treatment in a flow of inert gas carried out at a temperature of between 100 and 200°C.

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