Method for hydrogenating carbon dioxide, treating apparatus,...

Chemistry: fischer-tropsch processes; or purification or recover – Group ib metal containing catalyst utilized for the...

Reexamination Certificate

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C518S700000, C518S717000, C205S450000

Reexamination Certificate

active

07064150

ABSTRACT:
A process for hydrogenating carbon dioxide to generate methanol. In the process, a strip of copper base plate is transported by the groups of rotating drive rollers to deposit porous metallic zinc on the copper base plate. Hydrogen is generated from the porous metallic zinc upon electrochemical reactions in the inner space sealed with the above groups of rollers. Simultaneously, zinc oxide and copper oxide catalysts are formed on the porous metallic zinc. Carbon dioxide is introduced into the sealed inner space under high-temperature and high-pressure to generate methanol by hydrogenation.

REFERENCES:
patent: 539 244 (1993-04-01), None
patent: 3-200734 (1991-09-01), None
patent: 3-258737 (1991-11-01), None
patent: 4-72376 (1992-03-01), None
patent: 5-18359 (1993-03-01), None
patent: 6-184023 (1994-07-01), None
“Investigation on Technology for Co2Fixation and Effective Utilization/3/New Energy and Industrial Technology Development Organization”, pp. 159-167, Mar. 1993 (with partial English translation).
T. Inui, pp. 79-89, “Carbon Dioxide-Chemical/Biochemical/Environment-Catalytic Hydrogenation”, 1994 (with partial English translation).

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