Process for the synthesis of ammonia using catalysts supported o

Details Process for the synthesis of ammonia using catalysts supported o Process for the synthesis of ammonia using catalysts supported o

1977-10-31

1979-08-07

Konopka, P. E.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

252447, 423362, C01C 104, B01J 2358, B01J 2118

Patent

active

041637755

ABSTRACT:
Catalyst for the synthesis of ammonia from hydrogen comprises (1) as support on graphite containing carbon having (a) a basal plane surface area of at least 100 m 2/G (b) a ratio of BET surface area to basal plane surface area of not more than 5:1 and (c) a ratio of basal plane surface area to edge surface area of at least 5:1 and (ii) as active component (a) 0.1 to 50% by weight of a transition metal and (b) 0.1 to 4 times by weight of (a) of a modifying metal or ion selected from the alkali or alkaline earth metals or ions. The modifying metal or ion is actively associated with the transition metal rather than the support.

REFERENCES:
patent: 1068967 (1913-07-01), Bosch et al.
patent: 1119534 (1914-12-01), Pier
patent: 1157253 (1915-02-01), Pier
patent: 3660028 (1972-05-01), Tamaru et al.
patent: 3697449 (1972-10-01), Brake
patent: 3770658 (1973-11-01), Ozaki et al.
patent: 3830753 (1974-08-01), Ichikawa et al.
patent: 4055628 (1977-10-01), McCarrol et al.
patent: 4122040 (1978-10-01), McCarrol et al.

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