METHOD AND APPARATUS FOR UTILIZING PARTIALLY GASIFIED COAL FOR REMOVAL OF MERCURY

PROBLEM TO BE SOLVED: To produce an absorbent for capturing mercury (Hg) contained in a flue gas produced during combustion of coal. SOLUTION: The method is used for trapping mercury in the flue gas produced during combustion of a solid fuel. The method comprises burning coal (12) so that mercury di...

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Hauptverfasser:	HO LOC, SEEKER WILLIAM R, LISSIANSKI VITALI VICTOR, MALY PETER MARTIN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BURNERS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES COMPOUNDS THEREOF FLUES HEATING INORGANIC CHEMISTRY LIGHTING MECHANICAL ENGINEERING METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To produce an absorbent for capturing mercury (Hg) contained in a flue gas produced during combustion of coal. SOLUTION: The method is used for trapping mercury in the flue gas produced during combustion of a solid fuel. The method comprises burning coal (12) so that mercury discharged during combustion is transferred on the flow of the flue gas produced during the combustion, partially gasifying the solid fuel in a local gasifying apparatus (42) in the combustion of the solid fuel to produce the heat activation carbon-containing absorbent, injecting a gasification gas product into the combustion of coal (46), injecting the heat activation absorbent into the flue gas (26), and recovering the injected absorbent in waste treatment systems (28, 34). COPYRIGHT: (C)2006,JPO&NCIPI