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Rapid microwave-assisted synthesis of saponites and their use as oxidation catalysts

Trujillano, R. / Rico, E. / Vicente, M.A. / Rives, V. / Ciuffi, K.J. / Cestari, A. / Gil, A. / Korili, S.A.

Abstract Saponites containing divalent Mg, Ni, or Fe as octahedral cations and trivalent Al and Fe substituting Si in the tetrahedral sheet were synthesized using microwave radiation. Saponite with a high specific surface area was obtained in all the syntheses, although Fe-Al saponite crystallized was impurified by Fe2O3 and analcime. The catalytic activity of the solids for the epoxidation of (Z)-cyclooctene by hydrogen peroxide was tested, the solids obtained being highly active (conversion up to 8.8%, and 100% selectivity to the epoxide).

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Rapid microwave-assisted synthesis of saponites and their use as oxidation catalysts

Trujillano, R. / Rico, E. / Vicente, M.A. / Rives, V. / Ciuffi, K.J. / Cestari, A. / Gil, A. / Korili, S.A.

Abstract Saponites containing divalent Mg, Ni, or Fe as octahedral cations and trivalent Al and Fe substituting Si in the tetrahedral sheet were synthesized using microwave radiation. Saponite with a high specific surface area was obtained in all the syntheses, although Fe-Al saponite crystallized was impurified by Fe2O3 and analcime. The catalytic activity of the solids for the epoxidation of (Z)-cyclooctene by hydrogen peroxide was tested, the solids obtained being highly active (conversion up to 8.8%, and 100% selectivity to the epoxide).

Rapid microwave-assisted synthesis of saponites and their use as oxidation catalysts

Trujillano, R. / Rico, E. / Vicente, M.A. / Rives, V. / Ciuffi, K.J. / Cestari, A. / Gil, A. / Korili, S.A.

Abstract Saponites containing divalent Mg, Ni, or Fe as octahedral cations and trivalent Al and Fe substituting Si in the tetrahedral sheet were synthesized using microwave radiation. Saponite with a high specific surface area was obtained in all the syntheses, although Fe-Al saponite crystallized was impurified by Fe2O3 and analcime. The catalytic activity of the solids for the epoxidation of (Z)-cyclooctene by hydrogen peroxide was tested, the solids obtained being highly active (conversion up to 8.8%, and 100% selectivity to the epoxide).

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Title:

Rapid microwave-assisted synthesis of saponites and their use as oxidation catalysts

Contributors:

Trujillano, R. (author) / Rico, E. (author) / Vicente, M.A. (author) / Rives, V. (author) / Ciuffi, K.J. (author) / Cestari, A. (author) / Gil, A. (author) / Korili, S.A. (author)

Published in:

Applied Clay Science ; 53 ; 326-330

Publication date:

2010-12-03

Size:

5 pages

ISSN:

DOI:

https://doi.org/10.1016/j.clay.2010.12.005

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Saponite , Oxidation catalysts , Epoxidation , Cyclooctene , Cyclooctenoxide

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