Chemistry of inorganic compounds – Sulfur or compound thereof – Elemental sulfur
Patent
1976-03-01
1977-07-12
Peters, G. O.
Chemistry of inorganic compounds
Sulfur or compound thereof
Elemental sulfur
423576, C01B 1704
Patent
active
040354741
ABSTRACT:
An improved method for further removal of sulfur from the tail gas of a conventional Claus plant by the use of a Cold Bed Adsorption process involving the specific improvement of maintaining at all times the lead Claus reactor of a series of such reactors at sufficiently high temperatures to promote hydrolysis of COS and CS.sub.2 and then utilizing part or all of the hot effluent gases of this lead reactor to regenerate the sulfur-fouled Cold Bed Adsorption catalyst by passing the hot stream through the fouled reactor, removing the deposited sulfur and then returning the stream to the Claus plant at a point essentially immediately downstream from where it was originally withdrawn. Such a method is useful in maintaining ultra-high sulfur conversion levels on a commercial scale.
REFERENCES:
patent: 3702884 (1972-11-01), Hunt et al.
patent: 3749762 (1973-07-01), Montgomery
patent: 3758676 (1973-09-01), Goddin et al.
Grekel Howard
Kunkel Lorenz V.
Palm John W.
Petty Luther E.
McIlroy Arthur
Peters G. O.
Standard Oil Company (Indiana)
Stevenson Robert B.
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