Sulphuric acid recovery from sulpurous waste streams

The WSA process is a catalytic system for producing concentrated sulphuric acid from any sulphur-containing offgas, without the use of chemicals.  Among its uses in refineries has been treatment of hydrotreater sour gases and onsite regeneration of spent sulphuric acid from alkylation.

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Ole Rud Bendixen, Haldor Topsoe A/S

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Appears in:
1998 / Q4

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Topic:
General

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