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US 2020/0331852 A1Published application
Process for the preparation of methyl mercaptan
AssigneesArkema France, Universite Lille 1 Sciences Et Technologies, Centre National de la Recherche Scientifique (CNRS)
InventorsGeorges FRÉMY, Hélori SALEMBIER, Carole LAMONIER, Pascal BLANCHARD
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Abstract
The invention relates to a process for preparing methyl mercaptan from a mixture of carbon oxide, hydrogen sulfide and hydrogen, in the presence of a catalyst based on molybdenum and potassium supported on zirconia, said catalyst not comprising any promoter.
Claims9
Process for the preparation of methyl mercaptan, comprising at least the following steps:
- a) a carbon oxide, hydrogen sulphide (H2S) and hydrogen (H2) undergo a reaction in the presence of a zirconia-supported molybdenum- and potassium-based catalyst;
- said catalyst not comprising a promoter,
- b) the carbonyl sulphide obtained in step a) undergoes a hydrogenation reaction in the presence of said hydrogen (H2), to form methyl mercaptan (CH3SH) and hydrogen sulphide (H2S),
- c) optionally, said hydrogen sulphide (H2S) formed in step b) is recycled to step a), and
- d) the methyl mercaptan is collected.
2 more elements
Dependencies are inferred from the claim text.