Sulfur recovery process for ammonia-containing feed gas

Details Sulfur recovery process for ammonia-containing feed gas Sulfur recovery process for ammonia-containing feed gas

1991-05-24

1992-08-18

Russel, Jeffrey E.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

422160, 431 9, C01B 1704, F23C 906, F23D 1432

Patent

active

051397641

ABSTRACT:
Ammonia-containing sour gas is combusted at high flame temperature with at least 90 percent purity oxygen in an externally cooled combustor, the ammonia-free product is cooled, then, in conjunction with additional acid gas which does not contain ammonia, is passed to a Claus furnace wherein less than one-third of the hydrogen sulfide is combusted with oxygen enriched air enabling boosting sulfur recovery in a Claus plant without detrimental effects on catalyst life, furnace refractories and pressure drops.

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Lieberman, "Modifications Jump Sulfur Recovery Plant Capacity", Oil & Gas Journal, 8-20, 1984, pp. 108-112.

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