Abstract: A process comprising passing methane through a reaction zone comprising a molten salt/metal bed under reaction conditions to produce a gas stream comprising hydrogen and a solid carbon product wherein the reaction zone comprises a hydrogen acceptor.

Abstract: The present invention provides a process for the preparation of Ti-doped alkali metal and/or alkaline-earth metal aluminum hydride, comprising intimately mixing: an alkali metal and/or alkaline-earth metal aluminum hydride, or at least one alkali metal hydride and/or alkaline-earth metal hydride, metallic aluminum and H2, with in the range of from 0.5 to 20 mol % of Ti(OCH3)4, based on the moles of Al in the prepared Ti-doped alkali metal and/or alkaline-earth metal aluminum hydride.

Abstract: The present invention provides a process for the preparation of Ti-doped alkali metal and/or alkaline-earth metal aluminium hydride, comprising intimately mixing: an alkali metal and/or alkaline-earth metal aluminium hydride, or at least one alkali metal hydride and/or alkaline-earth metal hydride, metallic aluminium and H2, with in the range of from 0.5 to 20 mol % of Ti(OCH3)4, based on the moles of Al in the prepared Ti-doped alkali metal and/or alkaline-earth metal aluminium hydride.

Abstract: The invention provides a process for sequestration of carbon dioxide by mineral carbonation comprising the following steps: (a) converting a magnesium or calcium sheet silicate hydroxide into a magnesium or calcium ortho- or chain silicate by bringing the silicate hydroxide in direct or indirect heat-exchange contact with hot flue gas to obtain the silicate, silica, water and cooled flue gas; (b) contacting the silicate obtained in step (a) with carbon dioxide to convert the silicate into magnesium or calcium carbonate and silica.

Abstract: A process for sequestration of carbon dioxide comprising the following steps: (a) dispersing solid waste material comprising calcium oxide and a calcium-comprising mixed oxide in water to dissolve at least part of the calcium oxide and to form calcium oxide-depleted solid waste material in a calcium hydroxide solution; (b) separating the calcium hydroxide solution from the calcium oxide-depleted solid waste material; (c) converting the calcium hydroxide in the separated calcium hydroxide solution in precipitated calcium carbonate; and (d) contacting an aqueous slurry of the calcium oxide-depleted solid waste material with carbon dioxide for mineral carbonation of the carbon dioxide to form carbonated solid waste material.

Abstract: The invention provides a process for sequestration of carbon dioxide by mineral carbonation comprising the following steps: (a) converting a magnesium or calcium sheet silicate hydroxide into a magnesium or calcium ortho- or chain silicate by bringing the silicate hydroxide in direct or indirect heat-exchange contact with hot synthesis gas to obtain the silicate, silica, water and cooled synthesis gas; (b) contacting the silicate obtained in step (a) with carbon dioxide to convert the silicate into magnesium or calcium carbonate and silica.

Abstract: A titania catalyst support having a particle size distribution with a first peak at a first particle size and a second peak at a second particle size, wherein the second particle size is at least 50% larger than the first particle size. A method of manufacture is also disclosed. The support and resulting catalyst can be used for catalysing a Fischer-Tropsch reaction.

Abstract: A process for sequestration of carbon dioxide comprising the following steps: (a) dispersing solid waste material comprising calcium oxide and a calcium-comprising mixed oxide in water to dissolve at least part of the calcium oxide and to form calcium oxide-depleted solid waste material in a calcium hydroxide solution; (b) separating the calcium hydroxide solution from the calcium oxide-depleted solid waste material; (c) converting the calcium hydroxide in the separated calcium hydroxide solution in precipitated calcium carbonate; and (d) contacting an aqueous slurry of the calcium oxide-depleted solid waste material with carbon dioxide for mineral carbonation of the carbon dioxide to form carbonated solid waste material.

Abstract: The invention provides a process for the production of mainly C5+ hydrocarbons, which process involves contacting carbon monoxide and hydrogen at a temperature in the range of from about 180° C. to about 270° C. and elevated pressure in the presence of a catalyst composition having cobalt, manganese and at least one of rhenium and/or ruthenium on a titania carrier. The invention also relates to a catalyst composition having cobalt, manganese and rhenium on a titania carrier.

Abstract: The invention provides a process for the production of mainly C5+ hydrocarbons, which process involves contacting carbon monoxide and hydrogen at a temperature in the range of from about 180° C. to about 270° C. and elevated pressure in the presence of a catalyst composition having cobalt, manganese and at least one of rhenium and/or ruthenium on a titania carrier. The invention also relates to a catalyst composition having cobalt, manganese and rhenium on a titania carrier.

Abstract: A process for preparing a calcined zirconia extrudate comprising the steps of:

Abstract: A process for mineral carbonation with carbon dioxide wherein carbon dioxide is reacted with a bivalent alkaline earth metal silicate, selected from the group of ortho-, di-, ring, and chain silicates, which silicate is immersed in an aqueous electrolyte solution. The invention further relates to the use of the mixture of carbonate and silica formed in such a process in construction materials and to the use of the carbonate formed by such a process for the production of calcium oxide.

Abstract: The invention provides a process for the production of mainly C5+ hydrocarbons, which process involves contacting carbon monoxide and hydrogen at a temperature in the range of from about 180° C. to about 270° C. and elevated pressure in the presence of a catalyst composition having cobalt, manganese and at least one of rhenium and/or ruthenium on a titania carrier. The invention also relates to a catalyst composition having cobalt, manganese and rhenium on a titania carrier.

Abstract: A process to removal and capture of carbon dioxide from flue gas is provided. Carbon dioxide is extracted from flue gas by contacting the flue gas with a solvent in a solvent extraction zone (1) to obtain a carbon dioxide-depleted flue gas, regenerating the solvent in a solvent regeneration zone (2) by heating the carbon dioxide-containing solvent to obtain a regenerated solvent and a carbon dioxide stream and reacting the carbon dioxide stream obtained in step (b) with a bivalent alkaline earth metal silicate in a mineral carbonation zone (3) by contacting the carbon dioxide stream with silicate particles dispersed in an aqueous solution.

Abstract: The invention provides a process for the production or mainly C5+ hydrocarbons comprising contacting carbon monoxide and hydrogen at a temperature in the range of from 180 to 270° C. and elevated pressure in the presence of a catalyst composition comprising cobalt, manganese and at least one of rhenium and/or ruthenium on a titania carrier; a catalyst composition comprising cobalt, manganese and rhenium on a titania carrier.

Abstract: A process for the preparation of a cobalt-containing catalyst or catalyst precursor, comprising (a) mixing (1) titania or a titania precursor, (2) a liquid, and (3) a cobalt compound, which is at least partially insoluble in the amount of liquid used, to form a mixture, (b) shaping and drying of the mixture thus-obtained, and (c) calcination of the composition thus-obtained. A catalyst or catalyst precursor obtainable by the process as defined, and a process for the preparation of hydrocarbons comprising contacting a mixture of carbon monoxide and hydrogen with the catalyst as defined.

Abstract: The present invention relates to a catalyst for use in a process for the preparation of hydrocarbons comprising cobalt and manganese and/or vanadium, supported on a carrier, wherein the cobalt:(manganese+vanadium) atomic ratio is at least 12:1. Preferably, the cobalt:(manganese+vanadium) atomic ratio is at most 1500:1. The invention further relates to a process for the preparation of hydrocarbons which comprises contacting a mixture of hydrogen and carbon monoxide at elevated temperature and pressure with a catalyst as described hereinbefore. Typically, at least part of the cobalt is present in the metallic state.

Abstract: A process for the preparation of hydrocarbons by catalytic reaction of carbon monoxide with hydrogen in which reaction a feed comprising hydrogen and carbon monoxide is contacted at elevated temperature and pressure with a catalyst comprising cobalt and manganese in which catalyst the cobalt/manganese molar ratio is between 14:1 and 7:1 and the GHSV is at least 1600 N1/1/h. Preferably the cobalt/manganese molar ratio is between 13:1 and 9:1 and the GHSV is between 2700 and 25,000 N1/1/h. The reaction is especially carried out in a slurry phase regime.