Porous clay heterostructures prepared by gallery templated synth

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – Including organic component

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502 63, 502 80, 502 84, B01J 2116

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058343911

ABSTRACT:
A porous clay heterostructure of a 2:1 layered silicate prepared by a gallery templated synthesis method is described. The method uses an inorganic oxide, a neutral amine surf surfactant and a quaternary onium ion surfactant in the galleries of the 2:1 layered silicate. The structure is then calcined to remove the surfactants which act as a template to produce the porous clay heterostructure. The structure is useful for cracking catalysts, molecular sieves and adsorbents.

REFERENCES:
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Dailey, J. and T.J. Pinnavaia, in Chem Materials 4:855-863 (1992) "Silica--Pillared Derviatives of Ht--Magadite, a Crystalline Hydrated Silica".
Landis, M.E., et al., J. Am. Chem. SOc. 113:3189-3190 (1991) "Preparation of Mol. Sieves from Dense Layered Metal Oxides".
Sing et al., Pure Appl. Chem., 57:603-619 (1985) "Reporting Physiasorption Data for Gas/Solid Systems".
Horvath, G. and K.J. Kawazoe, J., Chem. Eng. Jpn. 16:470-475 (1983) "Method for the Calculation of Effective Pore Size Distribution in Molecular Sieve Carbon".

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