Method for the gasification of coal
AssigneesToyo Engineering Corporation, The Institute of Applied Energy
InventorYukuo Katayama
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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.
Claims12
A method of the gasification of coal using oxygen and steam, 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 heated to a temperature of from 300 to 600° C. through a heat exchange with high-temperature gas from the coal gasifier.
A method of the gasification of coal using steam, 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 steam having a temperature of from 2,000 to 2,700° C., which steam is prepared by reacting hydrogen with oxygen, both hydrogen and oxygen being generated by electrolyzing water.
Dependencies are inferred from the claim text.