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CONTROL OF CONTACT TIME IN TRANSPORT REACTORS

  • US 3,644,199 A
  • Filed: 05/27/1970
  • Issued: 02/22/1972
  • Est. Priority Date: 05/27/1970
  • Status: Expired due to Term
First Claim
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2. The process of claim 1 wherein an externally controlled plug valve is attached to the upper end of the internal tube to effect the imposed degree of closure.

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