| Patent application number | Description | Published |
|---|
| 20080242749 | Process For the Removal of Cos From a Synthesis Gas Stream Comprising H2S and Cos - The invention provides a process for the removal of COS from a first synthesis gas stream comprising COS and H | 10-02-2008 |
| 20090133535 | PROCESS FOR PRODUCTION OF ELEMENTAL IRON - The invention is directed to a process to prepare elemental iron by contacting an iron ore feed with a reducing gas to obtain iron and an off-gas. The reducing gas is prepared by performing the following steps | 05-28-2009 |
| 20090183431 | PROCESS FOR PRODUCING A PURIFIED SYNTHESIS GAS STREAM - A process for producing a purified synthesis gas stream from a carbonaceous feedstock, the process comprising the steps of
| 07-23-2009 |
| 20090324473 | PROCESS FOR DISPOSAL OF MERCAPTANS - The invention provides a process for disposal of mercaptans, the process comprising the steps of: (a) contacting a feed gas stream comprising mercaptans with liquid sulphur in a sulphide producing zone at elevated pressure and at a temperature in the range of from 300 to 450° C. to obtain a liquid stream comprising sulphur and sulphide compounds; (b) optionally separating the liquid stream obtained in step (a) into a first liquid phase enriched in liquid sulphur and a second liquid phase enriched in sulphide compounds; (c) combusting at least part of the sulphide compounds at elevated temperature in the presence of an oxygen-containing gas in a sulphur dioxide generation zone using a sulphide burner to which burner oxygen-containing gas is supplied, whereby at least part of the sulphide compounds is converted to sulphur dioxide to obtain a gas stream comprising sulphur dioxide. | 12-31-2009 |
| 20100000407 | PROCESS FOR REMOVAL OF HYDROGEN SULPHIDE, IRON PENTACARBONYL AND NICKEL TETRACARBONYL FROM A SYNTHESIS GAS STREAM - The invention provides a process for removal of hydrogen sulphide, iron pentacarbonyl and nickel tetracarbonyl from a feed synthesis gas stream, the process comprising the steps of: (a) removal of hydrogen sulphide and of iron pentacarbonyl by contacting the feed synthesis gas stream with an absorbing liquid comprising water, physical solvent and an amine, to obtain a synthesis gas stream depleted of hydrogen sulphide and depleted of iron pentacarbonyl; (b) adsorption of nickel tetracarbonyl by contacting the synthesis gas stream depleted of hydrogen sulphide and depleted of iron pentacarbonyl with solid adsorbent comprising activated carbon to obtain solid adsorbent enriched in nickel tetracarbonyl and a purified synthesis gas stream. | 01-07-2010 |
| 20100050812 | Process for Production of Elemental Iron - A process to prepare elemental iron by contacting an iron ore feed with a reducing gas at a pressure of between 1 and 10 bar to obtain iron and an off-gas includes preparing the reducing gas by performing the following steps: (a) partially oxidizing a mixture comprising a solid or liquid carbonaceous fuel and oxygen at a pressure of between 10 and 80 bar, thereby obtaining a gas comprising H | 03-04-2010 |
| 20100065782 | PROCESS FOR PRODUCING A PURIFIED SYNTHESIS GAS STREAM - A process for producing a purified synthesis gas stream from a feed synthesis gas stream comprising hydrogen sulphide, carbonyl sulphide, carbon dioxide, hydrogen cyanide and ammonia besides the main constituents carbon monoxide and hydrogen, the process comprising the steps of: (a) contacting one part of the feed synthesis gas stream with methanol at low temperature and at elevated pressure to remove hydrogen sulphide, carbonyl sulphide, carbon dioxide, hydrogen cyanide and ammonia, thereby obtaining methanol enriched in these compounds and a synthesis gas stream depleted in these compounds; (b) contacting another part of the feed synthesis gas stream with a water gas shift catalyst in the presence of water to react at least part of the carbon monoxide with water, thereby obtaining a shifted synthesis gas stream enriched in hydrogen and in carbon dioxide; (c) contacting the shifted synthesis gas stream with methanol at low temperature and at elevated pressure to remove carbon dioxide, hydrogen sulphide, carbonyl sulphide and ammonia, thereby obtaining solvent enriched in these compounds and a gas stream mainly comprising hydrogen and depleted in carbon dioxide; (d) contacting the synthesis gas stream obtained in step (a) and optionally the gas stream obtained in step (c) with a first solid adsorbent comprising sulphur-impregnated activated carbon and/or activated carbon to remove metals and/or metal carbonyl compounds to obtain a synthesis gas stream depleted in metals and/or metal carbonyl compounds; (e) contacting the synthesis gas stream depleted in metals and/or metal carbonyl compounds in the presence of water with a second solid adsorbent comprising one or more metals or oxides of the metals or combinations thereof, wherein the metals are selected from the group of Ag, Sn, Mo, Fe and Zn at elevated temperature to obtain the purified synthesis gas stream | 03-18-2010 |
| 20100147745 | METHOD FOR REDUCING THE MERCURY CONTENT OF NATURAL GAS CONDENSATE AND NATURAL GAS PROCESSING PLANT - A method for reducing the mercury content of natural gas condensate, comprising the steps of providing a nanofiltration membrane having a feed side and a permeate side; contacting the natural gas condensate with the feed side of the membrane; and obtaining a mercury-depleted natural gas condensate at the permeate side of the membrane; and a natural gas processing plant comprising a condensate workup section including a nanofiltration membrane separation unit for reducing the mercury content of natural gas condensate. | 06-17-2010 |
| 20100197984 | PROCESS FOR REMOVING CARBONYL SULPHIDE AND HYDROGEN SULPHIDE FROM A SYNTHESIS GAS STREAM - The invention provides a process for removing COS and H | 08-05-2010 |
