Process for the purification of hydrocarbons

Details Process for the purification of hydrocarbons Process for the purification of hydrocarbons

C - Chemistry, Metallurgy

10

G

182/12

C10G 25/05 (2006.01)

Patent

CA 1157386

-15- A B S T R A C T - PROCESS FOR THE PURIFICATION OF HYDROCARBONS A process for the removal of mercaptans from light hydrocarbon mixtures by contacting them with a crystalline metal silicate, which silicate has the following properties: (a) thermally stable up to a temperature above 600° C, (b) an X-ray powder diffraction pattern showing, inter alia, the reflections given in Table A, Image wherein the letters used have the following meanings: VS = very strong; S = strong; M = moderate; W = weak; a = angle according to Bragg. (c) in the formula which represents the composition of the silicate, expressed in moles of the oxides, and in which oxides of hydrogen, alkali metal and/or alkaline-earth metal, silicon, aluminium and/or iron are present, the (Al203 + Fe203)/SiO2 molar ratio is lower than 0.1.

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