Desulfuration method of clean coal
A technology for cleaning coal and coal samples, which is applied in the field of coal processing to achieve the effects of improved combustion performance, low energy consumption and simple operation steps
Inactive Publication Date: 2010-09-15
SHANGHAI JIAO TONG UNIV
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The invention discloses a desulfuration method of clean coal, belonging to the technical field of coal treatment. After particle coal samples are mixed with liquid medium, metal hydride is added for being reduced and desulfurized, then the obtained product is stirred, filtered out water and dried, and the desulfurized clean coal is prepared. Compared with the prior art, the invention has small reagent usage amount, high reaction speed, small energy consumption and small coal particle diameter; reaction can be carried out at normal temperature and normal voltage; the coal particle diameter is smaller, the total sulfur removal amount is higher; organic sulfur removal rate is obviously improved, which shows that the technology is easy to process powdery coal hard to process industrially; a reaction device is simple, is easy to magnify and has simple operation; after coal is processed, coal combustion performance is improved, which shows that calorific value is improved and light-off temperature is lowered.
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