Patent ID: 6235083
Filing Date: 2001-05-22
Classification: C21B,Y02P

Abstract:
A method for producing a hot CO- and H.sub.2 -containing reducing gas utilized for the reduction of lumpy metal ore, which comprises forming the reducing gas in a gasification zone by the gasification of carbon carriers, in particular coal, taking place in the presence of a supply of oxygen and subsequently cooling the reducing gas down to a reducing-gas temperature favorable to the reduction process, wherein H.sub.2 O and/or CO.sub.2 is added to a reducing gas which has been subjected to a cooling operation that does not effect an addition of H.sub.2 O/CO.sub.2 in order to prevent the Boudouard and heterogeneous water-gas reaction and a resultant heating of the reducing gas, wherein the reducing gas is converted to a reducing gas that is thermodynamically more stable at the reducing-gas temperature.