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AssigneeL'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
InventorJean-Renaud Brugerolle
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In an integrated power generation system, part of the air from a gas turbine compressor is separated in a single nitrogen wash column to remove oxygen and the gaseous nitrogen produced at the top of the column is sent back to a point upstream of the expander of the gas turbine. The wash column may be fed with liquid nitrogen from an independent air separation unit in which air is separated. Liquid from the bottom of the wash column may be fed back to the air separation unit. In order to boost production of an air separation plant, an additional plant is linked with the original plant. For example, air may be separated in a single nitrogen wash column to remove oxygen and gaseous nitrogen is produced at the top of the column. The wash column is fed with liquid nitrogen from the high pressure column of the air separation unit. Liquid from the bottom of the wash column may be fed back to the air separation unit.
An integrated apparatus for generating oxygen enriched fluid and/or power comprising a first air separation unit, a gas turbine comprising a combustor and an expander, a first compressor, means for sending air from the first compressor to the combustor and to the first air separation unit, means for sending combustor gases from the combustor to the expander, means for sending nitrogen from the first air separation unit to a point upstream of the expander and means for either compressing the nitrogen sent to a point upstream of the expander, further compressing the air sent to the first air separation unit from the first compressor or expanding the air sent to the combustor from the first compressor
A process for generating power and/or oxygen enriched fluid using an integrated system comprising compressing air in a first compressor, sending air from the first compressor to a combustor and to a first air separation unit, sending nitrogen from the first air separation unit to a point upstream of an expander, sending fuel to the combustor, sending combustion gas from the combustor to the expander and either compressing the nitrogen sent to a point upstream of expander, further compressing the air sent to the first air separation unit from the first compressor or expanding the air sent to the combustor from the first compressor
An air separation apparatus comprising a first compressor, an air separation unit, means for sending air from the first compressor to the air separation unit following cooling and purification, means for removing a nitrogen enriched fluid and an oxygen enriched fluid from the air separation unit
An air separation process comprising compressing air in a first compressor, sending air from the first compressor to a first air separation unit, removing a nitrogen enriched fluid and an oxygen enriched fluid from the first air separation unit and feeding the bottom of a further column with air,
Dependencies are inferred from the claim text.