| 摘要 |
Ammonia synthesis gas is prepared by contacting coal with air and steam in a fluidized bed. Heat for the reaction is provided by downward flowing hot char through the fluidized bed. The char is heated externally of the fluidized bed by combustion of fuel and/or a portion of the char. Control of the ratio of steam and air to the coal provides a gasification product of approximately 3 moles carbon monoxide plus hydrogen per mole of nitrogen.
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