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Purification of gases with an amine impregnated solid absorbent

  • US 2,818,323 A
  • Filed: 10/07/1953
  • Issued: 12/31/1957
  • Est. Priority Date: 10/07/1953
  • Status: Expired due to Term
First Claim
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1. A CONTINUOUS METHOD FOR PURIFYING AN ACIDIC GASCONTDAINING STREAM WHICH COMPRISES PASSING SAID ACIDIC GAS-CONTAINING STREAM INTO THE LOWER PORTION OF A CONTACTING ZONE CONTAINING DRY, SUBDIVIDED SOLID PARTICLFES COMPRISING AN ADSORPTIVE SOLID AND AN ALIPHATIC AMINE AT A VELOCITY SUFFICIENT TO MAINTAIN SAID SOLID IN A FLUIDIZED BED, CONTACTING SAID STREAM WITDH SAID PARTICLES AT AN ACIDIC GAS ABSORBING TEMPERATURE NOT IN EXCESS TO 300* F., SSEPARATING A RESULTANT PURIFIED GAS STREAM FROM SAID FLUIDIZED BED, PASSING SAID PURIFIED STREAM FROM SAID CONTACTING ZONE, PASSING AT LEAST A PORTION OF THE SOLID PARTICLES FROM SAID CONTACTING ZONE INTOK A REGENERATION ZONE AND THEREIN REGENERATING THE SAME BY CONTACT WITH A REDUCING GAS AT A REGENERATING TEMPARATURE NOT IN EXCESS OF 300* F. AND RDETURNING REGENERATED PARTICLES TO SAID CONTACTING ZONE

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