Sulfur Recovery
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Refining Blog Entries


  • Sulfur recovery converts hydrogen sulfide in sour gases and hydrocarbon streams to elemental sulfur.

How It Works

  • The most widely used recovery system is the Claus process, which uses both thermal and catalytic-conversion reactions.
  • A typical process produces elemental sulfur by burning hydrogen sulfide under controlled conditions. Knockout pots are used to remove water and hydrocarbons from feed gas streams. The gases are then exposed to a catalyst to recover additional sulfur.
  • Sulfur vapor from burning and conversion is condensed and recovered.

Feed & Products

  • Feed: Hydrogen sulfide
  • Products: Sulphur

Relevant Links

  1. Description Of Petroleum Refining Processes And Related Health And Safety Considerations

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