Chemistry of inorganic compounds – Nitrogen or compound thereof – Ammonia or ammonium hydroxide
Patent
1975-02-28
1974-12-21
Vertiz, Oscar R.
Chemistry of inorganic compounds
Nitrogen or compound thereof
Ammonia or ammonium hydroxide
423359, 423360, C01C 104
Patent
active
039989321
ABSTRACT:
A catalytic process and apparatus for synthesizing ammonia wherein from 30 to 80% of the effluent gases containing at least 12 molar percent ammonia are recycled to the inlet of the catalyst bed.
REFERENCES:
patent: 1909442 (1933-05-01), Williams
patent: 2919176 (1959-12-01), Gross
patent: 3839229 (1974-10-01), Senes et al.
Advances in Petroleum Chemistry & Refining Synthetic Ammonia-- Strelzoff & Pan--pp. 331-335.
Cappelli Antonio
Collina Amilcare
Malfatti Emanuele
Montedison Fibre S.p.A.
Vertiz Oscar R.
Wheelock Eugene T.
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