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Abstract

The present disclosure relates to a process for hydrogenation of a raw gas feed, said process comprising the steps of a) reacting the raw gas in the presence of a material being catalytically active in hydrogenation of oxygen and/or olefins, and being an adsorbent of H₂S, and b) withdrawing a heated purified gas wherein said raw gas comprises at least 10 ppb, preferably at least 20 ppb, and most preferably at least 50 ppb of a sulfur impurity such as H₂S or COS, and at least 0.1%, preferably at least 0.2% and most preferably at least 0.5% by volume of one or more further impurities taken from the group of O₂ and C_nH_2n, and wherein the temperature of the catalytically active material is sufficiently high to ensure that the concentration of the sulfur impurity and said one or more further impurities in said purified gas is less than half the concentration in said raw gas. This process has the benefit of removing multiple undesired impurities from the raw gas in a single reactor while maintaining the temperature at the outlet of the reactor sufficiently low to avoid production of alcohols.

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First Claim