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Catalytic reactor having bed bypass

  • US 4,313,908 A
  • Filed: 10/20/1980
  • Issued: 02/02/1982
  • Est. Priority Date: 10/20/1980
  • Status: Expired due to Term
First Claim
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1. A reactor for reacting a two phase, gas and liquid mixture in a fixed bed of solids, comprising:

  • a vessel;

    means to introduce both liquid and gas into said vessel;

    means to remove both liquid and gas from said vessel;

    at least one main bed disposed in said vessel;

    andat least one auxiliary bed disposed above said main bed having separate liquid and gas bypasses, said liquid and gas bypasses comprising relatively different lengths of hollow, invariably open tubing extending through said auxiliary bed, said gas bypass tubing projecting to a greater height above said auxiliary bed than said liquid bypass tubing in order to provide a low pressure drop bypass for both said liquid and gas to said main bed, when said auxiliary bed becomes fouled.

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