Karbeka, Martasiana and Nuryono, Nuryono and Suyanta, Suyanta (2020) Coating of mercapto modified silica on iron sand magnetic material for Au(III) adsorption in aqueous solution. In: International Seminar on Chemical Engineering Soehadi Reksowardojo (STKSR), 7-9 Oktober 2019, Kupang, Indonesia.
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The functionalized silica coating mercapto on iron sand magnetic material (MM/SiO2/MBI)has been done through sol-gel process. The successfully synthesized material is used as adsorbent (MM/SiO2/MBI) in the Adsorpi Au (III) process. Material characterization is carried out with an adsorbent stability test against acids. Adsorption is performed in a batch system and the unadsorped Au (III) ion is analyzed with the Atomic Absorption Spectrophotometer (AAS). Characterization results indicate the synthesis of PB/SiO2-MBI adsorbent has been successfully performed. The coating of iron sand magnetic material enhances stability to acid. ADsorbent (MM/SiO2/MBI) is capable of adjudisorate ion Au (III) with the highest adsorption occurring at pH 1. Kinetics review indicates that the adsorption of the ion (III) is following the second-order pseudo kinetics with a value of k 3.57 10-3 g/mg. Minute and adsorption isotherm follows the isotherm pattern of Langmuir with an adsorption capacity of 125 mg/g. © Published under licence by IOP Publishing Ltd.
Item Type: | Conference or Workshop Item (Paper) |
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Additional Information: | Cited by: 2; Conference name: 2019 International Seminar on Chemical Engineering Soehadi Reksowardojo, STKSR 2019; Conference date: 7 October 2019 through 9 October 2019; Conference code: 160662; All Open Access, Bronze Open Access |
Subjects: | Q Science > QD Chemistry |
Divisions: | Faculty of Mathematics and Natural Sciences > Chemistry Department |
Depositing User: | Sri JUNANDI |
Date Deposited: | 20 May 2025 01:03 |
Last Modified: | 20 May 2025 01:03 |
URI: | https://ir.lib.ugm.ac.id/id/eprint/16836 |