FIELD: methods of simultaneous reduction of forming NOx, CO and carbon at combustion of fuel containing coal by addition of effective amount of manganese compound.
SUBSTANCE: proposed method includes combining coal and additive with manganese-containing compound for forming their mixture which is burnt in combustion chamber. Manganese-containing compound is present in effective amount for reduction of NOx, CO and carbon formed in the course of combustion of coal in combustion chamber in fly ash. Provision is also made for additive for coal at reduction of amount of carbon and NOx formed in the course of combustion of coal. Additive contains manganese compound which is added to coal in the amount of from 1 to 500 parts/min. Proposed method includes also stabilization of combustion of coal in presence of manganese-containing additive. Amount of carbon and NOx in fly ash is reduced relative to their amounts obtained at combustion of coal at absence of manganese-containing additive.
EFFECT: improved combustion of coal at simultaneous reduction of NOx, CO and carbon in fly ash.
21 cl, 2 dwg, 1 tbl, 4 ex
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