103. High Temperature Decomposition of Ammonia on Metal-and/or Metal Oxide-Carbon Composites

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概要

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• The objective of this work is to develop a novel hot gas cleanup method to remove ammonia from coal gasification products with inexpensive raw materials. The catalytic decomposition of 2000ppm NH_3 has been examined with a fixed bed quartz reactor. The Fe-or CaO-containing composites, prepared by carbonizing metal loaded brown coals, catalyze the present reaction and achieve complete decomposition of NH_3 at 750-850℃. Further, the perfect removal of NH_3 at 850℃ by use of a brown coal char with small amounts of inherent Fe and Ca is noteworthy in particular from a practical point of view. The mechanisms of the Fe- and Ca-catalyzed decomposition are discussed in term of formation of nitride intermediates.

• 一般社団法人日本エネルギー学会の論文
• 2000-09-28

著者

• Xu Chunbao

  東北大学

• Ohtsuka Y

  東北大学

• KONG Dapeng

  東北大学

• TSUBOUCHI Naoto

  東北大学

• OHTSUKA Yasuo

  東北大学

• Tsubouchi N

  東北大学

関連論文

• 103. High Temperature Decomposition of Ammonia on Metal-and/or Metal Oxide-Carbon Composites

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