A process for reducing the sulfur and ash content of coal wherein coal particles are treated in an aqueous slurry with a minor ... with machine-classified Google ...
A low-cost method of taking sulfur out of coal in stoker furnaces comprising mixing the ... sulfates and precipitating the same along with ash in the fuel to ...
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A process for reducing the sulfur and ash content of coal particles wherein coal particles are treated in an aqueous slurry with a minor amount of hydrocarbon oil ...
Methods of treating coal to remove sulfur ... Methods of treating coal to remove sulfur and ash are provided which involve the steps of preconditioning coal ...
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A process for reducing the sulfur and ash content of coal comprising the steps of: (1) contacting coal particles containing ash and iron pyrite mineral matter with a ...
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A slurry of coal particles is agitated in an ultrasonic mixer to separate the contaminants from the coal ... A process is disclosed for removing sulfur and ash, ...
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A process for reducing the sulfur and ash content of coal wherein coal particles are treated in an ... surface characteristics of the ash and pyritic sulfur ...
The present invention is directed to an improved method of chemically treating coal to remove sulfur and ash. ... with machine-classified Google Scholar results, ...
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