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Series coupled fluidized bed reactor units including cyclonic plenum assemblies and related methods of hydrofluorination

  • US 9,511,339 B2
  • Filed: 08/30/2013
  • Issued: 12/06/2016
  • Est. Priority Date: 08/30/2013
  • Status: Active Grant
First Claim
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1. A series-coupled fluidized bed reactor unit, comprising:

  • a secondary fluidized bed reactor having a partially-reacted gas outlet;

    a primary fluidized bed reactor, comprising;

    a reaction vessel;

    a gas distributor fluidly coupled to the reaction vessel; and

    a cyclonic plenum assembly, comprising;

    a plenum assembly housing fluidly coupled to the gas distributor and having an annular sidewall; and

    a gas/solids inlet pipe fluidly coupling the partially-reacted gas outlet to the plenum assembly housing, the gas/solids inlet pipe tangentially positioned with respect to the annular sidewall of the plenum assembly housing to induce vortex flow within the plenum assembly housing of the partially-reacted gas received from the secondary fluidized bed reactor through the gas/solids inlet pipe to promote the cyclonic separation of entrained solids from the partially-reacted gas prior to entry into the gas distributor.

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