Nickel and cobalt containing hydrotalcite-like materials having

Details Nickel and cobalt containing hydrotalcite-like materials having Nickel and cobalt containing hydrotalcite-like materials having

1995-03-20

1996-05-21

Langel, Wayne

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

556 28, 556 31, C01B 3130

Patent

active

055187048

ABSTRACT:
A synthetic nickel (or cobalt) containing hydrotalcite-like material having a sheet-like morphology and a sheet broadness to thickness ratio of at least 50 and a formula M.sub.1-x Al.sub.x (OH).sub.2 .multidot.xA.multidot.mH.sub.2 O where M is Ni or Co, A is a mono carboxylic anion of the form RCOO.sup.- where R is C.sub.n H.sub.2n+1 and n=0-5, and x and m are numbers satisfying the following conditions:

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D. C. Puxley et al, "The Effect of Preparation Method upon the Structures, Stability & Metal/Support Interactions in Nickel/Alumina Catalysts", Preparation of Catalysis III, G. Poncelet et al (Editors), 1983 Elsevier Science Publishers B. V., Amsterdam--Printed in the Netherlands, pp. 237-271.
Luis E. Alzamora et al, "Coprecipitated Nickel-Alumina Catalysts for Methanation at High Temperature", Part 2--Variation of Total & Metallic Areas as a Function of Sample Composition & Method of Pretreatment, J. Chem. Soc., Faraday Trans. I, 1981, 77, pp. 665-681.

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