Apparatus for recovering elemental sulphur

Details Apparatus for recovering elemental sulphur Apparatus for recovering elemental sulphur

1988-02-22

1991-09-10

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Inorganic sulfur acid or anhydride producing type

1375991, 13762543, 13762548, 1376255, 423574R, C01B 1704

Patent

active

050472160

ABSTRACT:
A piping arrangement for two or three Claus catalytic converters and condenser sets used for recovering sulphur from gas streams containing hydrogen sulphide. One of the converters is operated at a sub-dewpoint temperature while the other(s) is(are) operated at a higher temperature for regenerating the catalyst. The piping arrangement includes two four-way switching valves that allow an influent gas stream to be switched between the two converters without leaving stagnant gas in the piping.

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