Method for the gasification of coal
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United States of America Patent
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Feb 14, 2006
Grant Date -
Dec 27, 2001
app pub date -
May 8, 2001
filing date -
May 9, 2000
priority date (Note) -
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Abstract
A method of the gasification of coal using oxygen and steam is provided wherein the coal is gasified at a temperature of from 1000 to 2500° C. and a pressure of from 1 to 100 kg/cm2 using oxygen generated by electrolyzing water and steam having a temperature of from 300 to 600° C. attained by heat exchange heat with a high temperature gas generated by the coal gasification. In the method, a remarkably higher efficiency and low carbon dioxide emission is attained.
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