B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
162/123, 183/30
B01D 53/047 (2006.01)
Patent
CA 2224471
The invention comprises a PSA gas prepurifier for the removal of contaminants present in a feed gas stream. The prepurifier of the invention has a bed of adsorbent material which comprises at least two discrete layers of adsorbents, at least one of said adsorbents being comparatively strong and at least another of said adsorbents being comparatively weak.
L'invention comprend un pré-épurateur de gaz par adsorption modulée en pression pour l'élimination des contaminants présents dans un courant de gaz d'alimentation. Le pré-épurateur de l'invention possède un lit de matière adsorbante qui comprend au moins deux couches d'adsorbants distinctes, au moins un desdits adsorbants étant relativement fort et au moins un autre desdits adsorbants étant relativement faible.
Praxair Technology Inc.
Sim & Mcburney
LandOfFree
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