Stamicarbon B.v. Acting Under the Name of Mt Innovation Center

Stamicarbon B.v.

Nextchem S.p.a.

Nextchem Tech S.p.a.

Michele Colozzi

Gaetano Iaquaniello

Emma Palo

Vincenzo Palma

Vincenzo Vaiano

Lucia Barbato

Fabio Angelini

Palma Contaldo

Maria Rosaria Pepe

Marino Miccio

Daniela Barba

Pierlorenzo Cinotti

Simona Cortese

Menica Antonelli

Alberto Cocciaglia

Stefano Massini

Stefania Taraschi

Salvatore Romagnuolo

Ivan Ricci

Disclosed is a catalyst suitable for the catalytic oxidative cracking of a HS-containing gas stream. The catalyst comprises at least one or more active metals selected from the group consisting of iron, cobalt, and nickel, supported by a carrier comprising ceria and alumina. The active metal is preferably in the form of its sulphide. Also disclosed is a method for the production of hydrogen from a HS-containing gas stream, comprising subjecting the gas stream to catalytic oxidative cracking so as to form Hand S, using a catalyst in accordance with any one of the composition claims.

Catalyst for catalytic oxidative cracking of hydrogen sulphide with concurrent hydrogen production

Disclosed is method for removing carbonyl sulphide and/or carbon disulphide from a sour gas stream. The method comprises subjecting the gas stream to simultaneous contact with an absorption liquid, such as an aqueous amine solution, and with a catalyst suitable for hydrolyzing carbonyl sulphide and/or carbon disulphide. To this end, the invention also provides a reactor system wherein both an absorption liquid and a catalyst are present. In a preferred embodiment, the catalyst is a heterogeneous catalyst present on or in an absorption column, either coated on the trays of a column with trays, or contained in the packing of a packed column.

COS and CSabatement method

Disclosed is a method for the production of hydrogen from a HS-containing gas stream also containing ammonia, comprising subjecting both gas stream to catalytic oxidative cracking of both the HS and the NH, so as to form H, Sand N. In this method, preferably, an additional amount of oxygen is added as compared to the amount used for H2S catalytic oxidative cracking. Also, preferably, the contact time of the gas stream with the catalyst is increased. The catalyst preferably is provided as a single bed, and then preferably comprises iron and molybdenum supported by a carrier comprising aluminum. The preferred carrier is alumina. The iron and molybdenum preferably are in the form of sulfides.

[object Object]

Disclosed is a catalyst suitable for the catalytic oxidative cracking of a HS-containing gas stream, particularly in the event that the stream also contains methane and/or ammonia. The catalyst comprises iron and molybdenum supported by a carrier comprising aluminum. The carrier preferably is alumina. The iron and molybdenum preferably are in the form of sulphides. Also disclosed is a method for the production of hydrogen from a HS-containing gas stream, comprising subjecting the gas stream to catalytic oxidative cracking so as to form Hand S, using a catalyst in accordance with any one of the preceding claims.

Catalyst for a sulphur recovery process with concurrent hydrogen production, method of making thereof and the sulphur recovery process with concurrent hydrogen production using the catalyst

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Rome, Italy

Michele Colozzi