A New Method for Synthesis of Mg−Al, Mg−Fe, and Zn−Al Layered Double Hydroxides and Their Uptake Properties of Bromide Ion

A New Method for Synthesis of Mg−Al, Mg−Fe, and Zn−Al Layered Double Hydroxides and Their Uptake Properties of Bromide Ion

We report a very simple and efficient method to prepare LDHs of Mg−Al, Mg−Fe, and Zn−Al by simply mixing solid divalent metal oxide with trivalent metal chloride solution at 30 °C. Calcined Mg−Al and Mg−Fe are effective in removing low concentration of Br− from a mixed solution (Br− = 0.1 mmol/dm3,...

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Veröffentlicht in:Industrial & engineering chemistry research 2008-07, Vol.47 (14), p.4905-4908
Hauptverfasser: Chitrakar, Ramesh, Tezuka, Satoko, Sonoda, Akinari, Sakane, Kohji, Hirotsu, Takahiro
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Chemical engineering
Exact sciences and technology
Separations
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Zusammenfassung:We report a very simple and efficient method to prepare LDHs of Mg−Al, Mg−Fe, and Zn−Al by simply mixing solid divalent metal oxide with trivalent metal chloride solution at 30 °C. Calcined Mg−Al and Mg−Fe are effective in removing low concentration of Br− from a mixed solution (Br− = 0.1 mmol/dm3, Cl− = 1.0 mmol/dm3) at a material dose of 1 g/dm3.
ISSN:0888-5885
1520-5045
DOI:10.1021/ie0716417