Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
BibTex Citation Data :
@article{JKSA32440, author = {Yeni Aprilia and Arnelli Arnelli and Yayuk Astuti}, title = {Modification of Activated Carbon from Rice Husk using Hexadecyltrimethylammonium Bromide (HDTMA-Br) Surfactant and ZnCl2 activator and Microwaves for Nitrate Ion Adsorption}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {23}, number = {11}, year = {2020}, keywords = {Hexadecyltrimethylammonium Bromide; Activated carbon; Microwaves; ZnCl2; Adsorption}, abstract = { Surfactant Modified Activated Carbon (SMAC) is a surfactant-modified activated carbon product. The surfactant used in this study was the cationic surfactant Hexadecyltrimethylammonium Bromide (HDTMA-Br). These surfactants can change the activated carbon's surface to be positively charged due to the presence of the surfactant hydrophilic groups. This SMAC is more selective in absorbing anions, which in this study is for the adsorption of nitrate anions. This research aims to prepare a new material that is superior to activated carbon in absorbing nitrate anions. This research was conducted in several stages. In the first stage, rice husk was carbonized through pyrolysis at 300°C for 10 minutes. In the second stage, carbon was activated using 30% ZnCl 2 and microwaves for 5 minutes and 400 W. The third stage was modifying activated carbon by contacting or adsorbing HDTMA-Br on activated carbon. The concentration of HDTMA-Br varied at 200-400 ppm and the adsorption time was 3-7 hours. The success of the modification was measured by the efficiency of HDTMA-Br in modifying activated carbon. This is supported by the results of the characterization of FTIR, GSA, SEM, and thermodynamic parameters. The resulting SMAC was applied for the adsorption of nitrate anions, and the results were compared to carbon and activated carbon. The results indicate that the best SMAC is formed at an optimum concentration of 300 ppm, within 4 hours, with an adsorption efficiency of 97.345%. The characterization results also show that SMAC has been formed, as evidenced by the presence of a peak at a wavenumber of about 1500 cm -1 , a C-N group derived from N(CH 3 ) 3 in the HDTMA-Br surfactant structure. The SMAC spectra also appeared weak peaks at the wave number 2918 cm -1 , which indicated the CH 2 -R group stretching from the HDTMA-Br surfactant. SEM image shows that HDTMA-Br has covered the pores of activated carbon. Meanwhile, the SMAC surface area is lower than that of activated carbon. Thermodynamic parameters indicate that HDTMA-Br interacts physically with activated carbon. The adsorption capacity of nitrate anion by SMAC is 3,638 mg/g, higher than carbon and activated carbon. }, issn = {2597-9914}, pages = {377--382} doi = {10.14710/jksa.23.11.377-382}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/32440} }
Refworks Citation Data :
Surfactant Modified Activated Carbon (SMAC) is a surfactant-modified activated carbon product. The surfactant used in this study was the cationic surfactant Hexadecyltrimethylammonium Bromide (HDTMA-Br). These surfactants can change the activated carbon's surface to be positively charged due to the presence of the surfactant hydrophilic groups. This SMAC is more selective in absorbing anions, which in this study is for the adsorption of nitrate anions. This research aims to prepare a new material that is superior to activated carbon in absorbing nitrate anions. This research was conducted in several stages. In the first stage, rice husk was carbonized through pyrolysis at 300°C for 10 minutes. In the second stage, carbon was activated using 30% ZnCl2 and microwaves for 5 minutes and 400 W. The third stage was modifying activated carbon by contacting or adsorbing HDTMA-Br on activated carbon. The concentration of HDTMA-Br varied at 200-400 ppm and the adsorption time was 3-7 hours. The success of the modification was measured by the efficiency of HDTMA-Br in modifying activated carbon. This is supported by the results of the characterization of FTIR, GSA, SEM, and thermodynamic parameters. The resulting SMAC was applied for the adsorption of nitrate anions, and the results were compared to carbon and activated carbon. The results indicate that the best SMAC is formed at an optimum concentration of 300 ppm, within 4 hours, with an adsorption efficiency of 97.345%. The characterization results also show that SMAC has been formed, as evidenced by the presence of a peak at a wavenumber of about 1500 cm-1, a C-N group derived from N(CH3)3 in the HDTMA-Br surfactant structure. The SMAC spectra also appeared weak peaks at the wave number 2918 cm-1, which indicated the CH2-R group stretching from the HDTMA-Br surfactant. SEM image shows that HDTMA-Br has covered the pores of activated carbon. Meanwhile, the SMAC surface area is lower than that of activated carbon. Thermodynamic parameters indicate that HDTMA-Br interacts physically with activated carbon. The adsorption capacity of nitrate anion by SMAC is 3,638 mg/g, higher than carbon and activated carbon.
Article Metrics:
Last update:
Last update: 2024-12-26 08:30:06
As an article writer, the author has the right to use their articles for various purposes, including use by institutions that employ authors or institutions that provide funding for research. Author rights are granted without special permission.
Author who publishes a paper at JKSA has the broad right to use their work for teaching and scientific purposes without the need to ask permission, including: used for (i) teaching in the author's class or institution, (ii) presentation at meetings or conferences and distributing copies to participants ; (iii) training conducted by the author or author's institution; (iv) distribution to colleagues for research use; (v) use in the compilation of subsequent authors' works; (vi) inclusion in a thesis or dissertation; (vi) reuse of part of the article in another work (with citation); (vii) preparation of derivative works (with citation); (viii) voluntary posting on open websites operated by authors or author institutions for scientific purposes (follow the CC BY-SA License).
Authors and readers can copy and redistribute material in any media or format, and mix, modify, and build material for any purpose but they must provide appropriate credit (provide article citation or content), providing links to the license, and indicate if there are changes.
The authors submitting a manuscript do so on the understanding that if accepted for publication, copyright of the article shall be assigned to Jurnal Kimia Sains dan Aplikasi (JKSA). Copyright encompasses rights to reproduce and deliver the article in all form and media, including reprints, photographs, microfilms and any other similar reproductions, as well as translations.
Reproduce any part of this journal, its storage in the database or its transmission by all forms or media is permitted does not need for written permission from JKSA. However, it should be cited as an honor in academic manners
JKSA and the Chemistry Department of Diponegoro University and the Editor make every effort to ensure that there are no data, opinions, or false or misleading statements published in JKSA. However, the content of the article is the sole and exclusive responsibility of each author.
The Copyright Transfer Form can be downloaded here: [Copyright Transfer Form - Indonesian] [Copyright Transfer Form - English]. The copyright form should be signed originally and send to the Editor in the form of printed letters, scanned documents sent via email or fax.
Adi Darmawan, Ph.D (Editor in Chief)
Editor in chief of Jurnal Kimia Sains dan Aplikasi (JKSA)
Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University
Visitor: View My Stats
Jurnal Kimia Sains dan Aplikasi is indexed in:
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.