|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 7 인용 특허 : 91|
Combustion of coal in which oxygen is injected into the coal as it emerges from burner produces ash having reduced amounts of carbon.
1. A method for combusting coal and producing ash which has a reduced carbon content, comprising providing a combustion device, feeding air and a nonaqueous stream of coal through a burner into said device, and combusting the coal in the combustion device, whilefeeding one or more gaseous streams that contain at least 35 vol. % O2 into said coal as the coal emerges from said burner so that said O2 combusts with said coal in a flame, in an amount of said O2 which is less than 20% of the stoichiometric amount required for complete combustion of said coal, ...