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Synthesis and characteristics of Mg‐Ni‐Al‐CO 3 hydrotalcites for styrene oxidation
Author(s) -
Huyen Le Thi Kim,
Dat Nguyen Tien,
Thao Nguyen Tien
Publication year - 2018
Publication title -
vietnam journal of chemistry
Language(s) - English
Resource type - Journals
eISSN - 2572-8288
pISSN - 0866-7144
DOI - 10.1002/vjch.201800014
Subject(s) - hydrotalcite , benzaldehyde , coprecipitation , hydroxide , catalysis , styrene , nickel , aqueous solution , selectivity , inorganic chemistry , hydrogen peroxide , nuclear chemistry , chemistry , materials science , organic chemistry , copolymer , polymer
Mg‐Ni‐Al‐CO 3 hydrotalcite‐like material was synthesized by coprecipitation method at a certain pH. The synthesized solids have been characterized by physical techniques, namely XRD, IR, TEM, and EDS. All synthesized samples showed a well‐defined hydrotalcite structure with the presence of nickel(II) ions in Mg‐Al hydroxide lattice. The Mg‐Ni‐Al‐CO 3 catalyst has been tested for the oxidation of styrene with aqueous hydrogen peroxide solution and showed a good catalytic activity in the formation of benzaldehyde. Styrene conversion is in the range of 20‐85 % with the high selectivity to benzaldehyde at 50‐80°C, 4 hours.
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