Before revision: It is usually the last purification step in the ammonia production process sequence upstream of the actual ammonia production.UN Industrial Development Organization , International Fertilizer Development Center, Fertilizer Manual, Springer Science & Business Media, 31.03.1998, page 184ff Competing Technologies The purpose of the final purification step upstream of the actual ammonia production is to remove all components that are poisonous for the sensitive ammonia synthesis catalyst.Max Appl, Modern Production Technologies, CRU Publishing Ltd, February 1997, page 29ff This can be done with the following concepts: Methanation, formally the standard concept with the disadvantage, that the methane content is not removed, but even increased, since in this process, the carbon oxides (carbon monoxide and carbon dioxide) are converted to methane.A.
After revision: It is usually the last purification step in the ammonia production process sequence upstream of the actual ammonia production.UN Industrial Development Organisation , International Fertilizer Development Center, Fertilizer Manual, Springer Science & Business Media, 31.03.1998, page 184ff Competing Technologies The purpose of the final purification step upstream of the actual ammonia production is to remove all components that are poisonous for the sensitive ammonia synthesis catalyst.Max Appl, Modern Production Technologies, CRU Publishing Ltd, February 1997, page 29ff This can be done with the following concepts: Methanation, formally the standard concept with the disadvantage, that the methane content is not removed, but even increased, since in this process, the carbon oxides (carbon monoxide and carbon dioxide) are converted to methane.A.