Coal Additive For Improved Furnace Operation
AssigneeThe Lubrizol Corporation
InventorJames H. Bush
Life of this patent
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Abstract
The invention relates to methods of combusting coal containing fuel streams where a coal additive composition is used to improve the combustion of the coal. The invention also relates to the additive composition used in the described methods, and the use of the additive composition as a coal combustion improver.
Claims15
A method for combusting coal, comprising the step of:
- (I) providing a coal containing feed material to a coal combustion chamber;
- (II) contacting the feed material with a coal additive comprising a zinc containing compound;
- whereby coal in the coal containing feed material is combusted.
A method of improving the combustion efficiency of a coal fired furnace comprising the steps of:
- (I) providing a coal containing feed material to a coal combustion chamber;
- (II) contacting the feed material with a coal additive comprising a zinc containing compound;
- whereby the efficiency of the combustion of the coal in the coal containing feed material is improved.
The use of a zinc containing compound as a combustion improver in a coal fired furnace, where the zinc containing compound is added to a coal combustion chamber, where it contacts a coal containing feed material during combustion.
Dependencies are inferred from the claim text.