Patent ID: 8066869

Claim:
A process of treating a sulphur-containing hydrocarbon fraction containing monoolefins and thiophenes, comprising the following steps: a) a hydrodesulphurization step of said hydrocarbon fraction to produce a partially sulphur-depleted effluent, comprising passing said hydrocarbon fraction mixed with excess hydrogen over at least one hydrodesulphurization catalyst producing as a byproduct recombinant mercaptans, b) a step of separation of the partially desulphurized hydrocarbon fraction from the excess hydrogen, as well as H 2 S formed in step a), c) a step of collecting in a single step resultant residual thiophene compounds and recombinant mercaptans, comprising placing the partially desulphurized hydrocarbon fraction originating in step b) in contact with an adsorbent comprising nickel in reduced form, in the absence of hydrogen and at a temperature between 140° C. and 240° C., the nickel content in the reduced form being above 40% by weight of the adsorbent, said adsorbent being the same for the adsorption of both the residual thiophenes and the recombinant mercaptans.