Chemistry of inorganic compounds – Nitrogen or compound thereof – Ammonia or ammonium hydroxide
Patent
1996-11-27
1999-05-04
Langel, Wayne
Chemistry of inorganic compounds
Nitrogen or compound thereof
Ammonia or ammonium hydroxide
48197R, 48197A, 48DIG2, 252373, 4236481, 423656, 588226, C01B 302, C01B 312, C01C 104
Patent
active
059002247
ABSTRACT:
A method and apparatus for treating wastes by gasification recovers metals or ash content in the wastes in such a state that they can be recycled, and gases containing carbon monoxide (CO) and hydrogen (H.sub.2) for use as synthesis gas of ammonia (NH.sub.3). The wastes are gasified in a fluidized-bed reactor at a relatively low temperature, and gaseous material and char produced in the fluidized-bed reactor are introduced into the high-temperature combustor. The synthesis gas is produced in the high-temperature combustor at a relatively high temperature, CO and H.sub.2 O in the synthesis gas is converted into CO.sub.2 and H.sub.2, and then H.sub.2 is recovered by removing CO.sub.2.
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Fujimura Hiroyuki
Fujinami Shosaku
Fukuda Toshio
Hirayama Yoshio
Hirose Tetsuhisa
Ebara Corporation
Langel Wayne
Ube Industries Ltd.
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