B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 21/04 (2006.01) B01J 23/10 (2006.01) B01J 23/40 (2006.01) B01J 23/63 (2006.01) B01J 37/02 (2006.01)
Patent
CA 2627878
A low cost support useful in chemical reactions and automotive arts is formed by rehydrating a flash calcined gibbsite in an aqueous acidic solution. The rehydrated support can be subsequently stabilized by doping with a stabilizing metal such as lanthanum. The alumina support has excellent thermal stability, high sodium tolerance, high activity with low precious metal loading, and high pore volume and surface area.
La présente invention concerne un support peu onéreux utile dans les réactions chimiques et l~industrie automobile, formé par réhydratation d~une gibbsite flash-calcinée dans une solution acide aqueuse. Le support réhydraté peut ensuite être stabilisé par dopage avec un métal stabilisant tel que le lanthane. Le support d~alumine présente une excellente stabilité thermique, une haute tolérance au sodium, une haute activité pour un chargement faible en métal noble et un volume ainsi qu~une superficie des pores élevés.
Basf Catalysts Llc
Sim & Mcburney
LandOfFree
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