C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
C01F 7/00 (2006.01) B01J 21/16 (2006.01) B01J 23/00 (2006.01) C01B 13/32 (2006.01) C01B 13/36 (2006.01) C01F 7/16 (2006.01) C01F 17/00 (2006.01) C01G 15/00 (2006.01) C04B 35/44 (2006.01) C09C 1/42 (2006.01) B01J 21/00 (2006.01)
Patent
CA 2437609
The present invention is directed to a process for the preparation of a doped anionic clay. In said process a trivalent metal source is reacted with a divalent metal source, at least one of the metal sources being either doped boehmite, doped MgO or doped brucite, to obtain a doped anionic clay. Suitable dopants are compounds containing elements selected from the group of alkaline earth metals (for instance Ca and Ba), alkaline metals, transition metals (for example Co, Mn, Fe, Ti, Zr, Cu, Ni, Zn, Mo, W, V, Sn), actinides, rare earth metals such as La, Ce, and Nd, noble metals such as Pt and Pd, silicon, gallium, boron, titanium, and phosphorus.
L'invention concerne un procédé de préparation d'une argile anionique dopée. Selon ce procédé, une source de métal trivalent réagit avec une source de métal bivalent, au moins une des sources de métal étant de la boehmite, du MgO ou de la brucite dopés, et ce pour obtenir une argile anionique. Les dopants appropriés sont des composés contenant des éléments sélectionnés à partir du groupe de métaux alcalino-terreux (tels que Ca et Ba), de métaux alcalins, de métaux de transition (par exemple, Co, Mn, Fe, Ti, Zr, Cu, Ni, Zn, Mo, W, V, Sn), d'actinides, de métaux de terres rares tels que La, Ce et Nd, de métaux nobles tels que Pt et Pd, de silicium, de gallium, de bore, de titane et de phosphore.
Jones William
O'connor Paul
Stamires Dennis
Akzo Nobel N.v.
Albemarle Netherlands B.v.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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