Process for producing a reduction gas for reduction of metal ore

Process for producing a reduction gas for reduction of metal ore

In a method for producing a hot CO- and H2-containing reducing gas serving for the reduction of fine-grained metal ore, in particular iron ore, the reducing gas is formed in a gasification zone by a gasification of carbon carriers, in particular coal, taking place under the supply of oxygen and subs...

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Hauptverfasser: HERBERT MIZELLI, LEOPOLD WERNER KEPPLINGER, GUNTHER BRUNNBAUER, JOHANN WURM, WALTER RAINER KASTNER
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
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creator HERBERT MIZELLI
LEOPOLD WERNER KEPPLINGER
GUNTHER BRUNNBAUER
JOHANN WURM
WALTER RAINER KASTNER
description In a method for producing a hot CO- and H2-containing reducing gas serving for the reduction of fine-grained metal ore, in particular iron ore, the reducing gas is formed in a gasification zone by a gasification of carbon carriers, in particular coal, taking place under the supply of oxygen and subsequently is cooled down to a reducing-gas temperature favorable to the reduction process. In order to produce a thermodynamically more stable reducing gas, the reducing gas by the addition of H2O and/or CO2-in order to prevent the Boudouard and heterogeneous water-gas reaction and a resultant heating of the reducing gas-is converted to a reducing gas that is thermodynamically more stable at the reducing-gas temperature.
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subjects CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
title Process for producing a reduction gas for reduction of metal ore
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