Iron ore reduction in multiple fluidized beds

Iron ore reduction in multiple fluidized beds

Iron ore is reduced in a multiple fluid bed reactor, the beds being vertically superposed in a tower and the ore passing by gravity downwardly from bed to bed. The lowermost and all superposed beds are fluidized by off gases from which carbon dioxide and water have been stripped; while a further por...

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Hauptverfasser: MALGARINI, GIANSILVIO, PASERO, EDOARDO, IACOTTI, ITALO
Format: Patent
Sprache:eng
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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creator MALGARINI
GIANSILVIO
PASERO
EDOARDO
IACOTTI
ITALO
description Iron ore is reduced in a multiple fluid bed reactor, the beds being vertically superposed in a tower and the ore passing by gravity downwardly from bed to bed. The lowermost and all superposed beds are fluidized by off gases from which carbon dioxide and water have been stripped; while a further portion of the fluidizing and reducing gas is provided by combusting methane with a substoichiometric quantity of oxygen and introducing the combustion products into an intermediate level of the column.
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
title Iron ore reduction in multiple fluidized beds
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