FIELD: power-supply processes and equipment.
SUBSTANCE: method comprises providing furnace having combustion chamber, wherein coal is combusted in presence of oxygen, supplying coal and metal-containing combustion catalyst to combustion chamber, and supplying oxygen to combustion chamber in amounts reduced relative to those required in absence of metal-containing combustion catalyst, which reduced amounts of supplied oxygen constituting up to 50% of the amount of oxygen above its stoichiometric amount.
EFFECT: reduced consumption of oxygen without losses in thermal efficiency and burning stability.
9 cl, 1 tbl
