Removal of Iron(II) Using Intercalated Ca/Al Layered Double Hydroxides With [-SiW12O40]4

Ca/Al layered double hydroxides (LDH) was synthesized by co-precipitation method at pH 11 at room temperature following calcination at 800 ºC. Synthesized Ca/Al LDH was intercalated with Keggin ion [a-SiW12O40]4- to form intercalated Ca/Al LDH. Characterization was performed using powder X-Ray and F...

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Bibliographic Details
Published in:Bulletin of chemical reaction engineering & catalysis 2019-01, Vol.14 (2), p.260
Main Authors: Tarmizi Taher, Mikha Meilinda Christina, Said, Muhammad, Hidayati, Nurlisa, Ferlinahayati, Ferlinahayati, Aldes Lesbani
Format: Article
Language:English
Subjects:
Adsorption
Aqueous solutions
Chemical synthesis
Diffraction
Hydroxides
Iron
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Summary:Ca/Al layered double hydroxides (LDH) was synthesized by co-precipitation method at pH 11 at room temperature following calcination at 800 ºC. Synthesized Ca/Al LDH was intercalated with Keggin ion [a-SiW12O40]4- to form intercalated Ca/Al LDH. Characterization was performed using powder X-Ray and FT-IR analyses. Ca/Al LDH and intercalated Ca/Al LDH was used as an adsorbent of iron(II) in an aqueous medium. The adsorption process was studied by kinetic and thermodynamic studies. The results showed that Ca/Al LDH has layered structures which were indicated at diffraction 2θ at 20o. Diffraction 2θ at 30-40o from intercalated Ca/Al LDH shows [a-SiW12O40]4- was successfully conducted. Adsorption of iron(II) on LDH showed that intercalated Ca/Al LDH has slightly higher adsorption capacity than LDH without intercalation.
ISSN:1978-2993
DOI:10.9767/bcrec.0.0.2880.xxx-xxxa