Method for producing functional nanocarbon and hydrogen by direct decomposition of lower hydrocarbon

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United States of America Patent

PATENT NO 7767182
APP PUB NO 20060257310A1
SERIAL NO

11391213

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Abstract

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In a reaction where a lower hydrocarbon is subjected to direct decomposition by using a catalyst to produce a functional nanocarbon and hydrogen, the lower hydrocarbon is subjected to the reaction in an coexistent gas comprising low concentration of oxidizing gas, reducing gas or a mixture thereof. The precursor of functional nanocarbon produced on the catalyst and amorphous carbon secondarily produced on the catalyst react with the coexistent gas so that being removed from the catalyst, making it possible to prevent the drop of conversion with time on stream due to the inhibition of the reaction by the precursor and by-product. In the case where the raw material of lower hydrocarbon is biogas, the coexistent gas can be easily contained in methane by lowering purification degree of methane.

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Patent Owner(s)

Patent OwnerAddress
THE JAPAN STEEL WORKS LTD11 1 OSAKI 1 CHOME SHINAGAWA KU TOKYO 141-0032
NATIONAL UNIVERSITY CORPORATION KITAMI INSTITUTE OF TECHNOLOGY165 KOEN-CHO HOKKAIDO KITAMI-SHI 090-0015

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ito, Hideaki Muroran, JP 129 1073
Koseki, Kikuo Chofu, JP 3 79
Nakamura, Satoru Muroran, JP 116 1278
Tada, Akio Kitami, JP 7 100
Takasuna, Hiroyuki Minato-ku, JP 3 79
Togo, Yoshitaka Minato-ku, JP 3 79

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