Oxy-fuel combustion process

A method for producing oxygen-enriched gas for use in a combustion zone comprising the steps: (a) feeding air to a retention system that utilises a particulate, high temperature oxygen-selective adsorbent material to adsorb oxygen from the air; (b) retaining oxygen from said air onto the said partic...

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Bibliographische Detailangaben
Hauptverfasser:	RICHARD H CLARKE, SATISH S TAMHANKAR, RAMAKRISHNAN RAMACHANDRAN, YONGXIAN ZENG, DONALD L MACLEAN, JERRY Y S LIN, DIVYANSHU R ACHARYA, FRANK ROGER FITCH, NARAYANAN RAMPRASAD
Format:	Patent
Sprache:	eng
Schlagworte:	AIR AIR SUPPLY BLASTING CHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES COMPOUNDS THEREOF DRAUGHT-INDUCING HEATING INORGANIC CHEMISTRY LIGHTING MECHANICAL ENGINEERING METALLURGY METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A method for producing oxygen-enriched gas for use in a combustion zone comprising the steps: (a) feeding air to a retention system that utilises a particulate, high temperature oxygen-selective adsorbent material to adsorb oxygen from the air; (b) retaining oxygen from said air onto the said particulate, high temperature, oxygen-selective adsorbent material; (c) removing nitrogen from the said retention system; (d) feeding oxygen-enriched gas from the said retention system to said combustion zone; (e) combusting a fuel gas in the presence of said oxygen-enriched gas; and (f) continually feeding the exhaust gas from said combustion zone to said retention system to form the oxygen-enriched gas by desorption of oxygen into the exhaust gas. Instead of step (f), steam may be used to form the oxygen-enriched gas by desorption of oxygen from the adsorbent material.