Ammonia synthesis gas purification

Chemistry of inorganic compounds – Nitrogen or compound thereof – Ammonia or ammonium hydroxide

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252377, C01C 104

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045728291

ABSTRACT:
The reformed gas mixture to be employed for ammonia synthesis is purified, following shift conversion, by the selective catalytic oxidation of residual carbon monoxide and the selective adsorption of carbon dioxide and water so as to render unnecessary the methanation of carbon oxides.

REFERENCES:
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patent: 3631073 (1971-12-01), Cohn et al.
patent: 3885927 (1975-05-01), Sherman et al.
patent: 3981698 (1976-09-01), Leppard
patent: 4233038 (1980-11-01), Tao
patent: 4249915 (1981-02-01), Sircar et al.
patent: 4296085 (1981-10-01), Banquy
patent: 4337170 (1982-06-01), Fuderer
patent: 4375363 (1983-03-01), Fuderer
patent: 4414191 (1983-11-01), Fuderer
Oil & Gas Journal, vol. 79, No. 18, pp. 270-280 (May 4, 1981).

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