# Adsorption of heavy metals on amine-functionalized MCM-48
> Taba P.

URL kanonis: https://discover.unhas.ac.id/publications/adsorption-of-heavy-metals-on-amine-functionalized-mcm-48
Jurnal / Konferensi: Iop Conference Series Materials Science and Engineering
Tahun terbit: 2017
DOI: https://doi.org/10.1088/1757-899X/188/1/012015
ISSN: 17578981
Citations: 14

## Authors
- Taba P.

## Abstract
The ordered mesoporous silica with cubic structure, MCM-48 was synthesized by post-synthesis under basic media using colloidal silica, cetyltrimethylammonium bromide, and Triton X-100. The modified material, NH2-MCM-48 was prepared using 3-aminopropyl trimetoxysilane (3-APTMS). X-ray diffraction and FT-IR were used to characterize the samples. The modified material was utilized for adsorption of Cu2+and Mn2+ from aqueous solution. Parameters used for studying the adsorption process were pH, time of contact, and the initial concentrations of Cu2+ and Mn2+ ions. Desorption of ions from the adsorbent was also studied using several desorbing agents. The pseudo-second order was found to be the kinetic order for the metals adsorption. The adsorption of Cu2+ and Mn2+ on NH2-MCM-48 was fixed by the Langmuir model better than the Freundlich model with the capacity of 0.52 and 0.80 mmol g-1 for Cu2+ and Mn2+, respectively. The best desorbing agents for removing the adsorbed Cu2+ and Mn2+ from the adsorbent were 1 M HNO3 and 1 M HC1, respectively.

## Keywords
- Adsorption
- Bromide
- Freundlich equation
- Mesoporous silica
- Desorption
- Chemistry
- Aqueous solution
- Langmuir
- Inorganic chemistry
- MCM-41
- Mesoporous material
- Amine gas treating
- Metal ions in aqueous solution
- Nuclear chemistry
- Ion
- Organic chemistry
- Molecular sieve
- Catalysis

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Sumber: Discover Unhas — RIMS Universitas Hasanuddin.
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