B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 20/02 (2006.01) B01D 53/04 (2006.01) B01D 53/48 (2006.01) B01J 20/04 (2006.01) B01J 20/06 (2006.01) B01J 20/28 (2006.01)
Patent
CA 2333448
Pelletized adsorbent compositions and methods of adsorbing toxic target compounds are provided for the destructive adsorption or chemisorption of toxic or undesired compounds. The pelletized adsorbents are formed by pressing together powder nanocrystalline particles comprising a metal hydroxide or a metal oxide at pressures of from about 50 psi to about 6000 psi to form discrete self-sustaining bodies. The pelletized bodies should retain at least about 25 % of the surface area/unit mass and total pore volume of the starting metal particles.
La présente invention se rapporte à des compositions adsorbantes en granulés, ainsi qu'aux procédés associés, permettant d'adsorber des composés cibles toxiques en vue de l'adsorption destructive ou de la chimiosorption de composés toxiques ou indésirables. On forme ces adsorbants en granulés en agglomérant par pression des particules cristallines en poudre ayant une dimension de l'ordre du nanomètre comportant un hydroxyde métallique ou un oxyde métallique à des pressions comprises approximativement entre 50 psi et 6000 psi de manière à former des corps distincts autonomes. Lesdits corps en granulés doivent retenir au moins 25 % environ de la masse unitaire/aire surfacique et du volume poreux total des particules métalliques de départ.
Khaleel Abbas
Klabunde Kenneth J.
Koper Olga
Gowling Lafleur Henderson Llp
Kansas State University Research Foundation
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