Apparatus and catalytic partial oxidation process for...

Chemistry of inorganic compounds – Sulfur or compound thereof – Elemental sulfur

Reexamination Certificate

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C423S576800

Reexamination Certificate

active

11063145

ABSTRACT:
The disclosed sulfur recovery system and process avoid some of the operational problems of conventional Claus plants and processes by replacing the reaction burner and furnace tube of a conventional Claus plant with a more efficient short contact time catalytic reactor assembly containing a SPOC™ catalyst that operates efficiently at elevated temperatures. Such Claus plant modification also reduces or avoids the negative effects of hydrocarbons, CO2and ammonia in Claus sulfur plant feeds, and permits efficient processing of dilute to concentrated H2S feeds. The disclosed modification makes possible the expansion of Claus plant capacity at lower cost.

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