1Department of Chemical Education, Universitas Mulawarman, Kampus Gunung Kelua, Samarinda, 75119, East Kalimantan, Indonesia
2School of Energy and Chemical Engineering, Xiamen University Malaysia, Selangor Darul Ehsan 43900 , Malaysia
3College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
4 Central Laboratory of Minerals and Advanced Materials, Faculty of Mathematics and Natural Sciences, State University of Malang , Indonesia
5 Center for Sustainable Nanomaterials, Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, Johor Bahru, 81310, Malaysia
BibTex Citation Data :
@article{BCREC12473, author = {Sri Lestari and Muflihah Muflihah and Ratna Kusumawardani and Mukhamad Nurhadi and Yuniati Mangesa and Fathur Ridho and Robbiatul Adawiyah and Pristiningtyas Ambarwati and Siti Rahma and Sin Lai and Hadi Nur}, title = {Activated Bledug Kuwu’s Clay as Adsorbent Potential for Synthetic Dye Adsorption: Kinetic and Thermodynamic Studies}, journal = {Bulletin of Chemical Reaction Engineering & Catalysis}, volume = {17}, number = {1}, year = {2022}, keywords = {Clay; methylene blue; adsorption; kinetic; thermodynamic}, abstract = { Bledug Kuwu is one of the geological phenomena as a mud volcano that occurs in Kuwu, Purwodadi, Grobogan, Central Java, Indonesia. The evaluation of Bledug Kuwu’s clay as one of the adsorbents for synthetic dyes has been carried out. The preparation of the adsorbent started with washing the clay with distilled water, followed by activation with a solution of hydrochloric acid (1 M) under mechanistic stirring for overnight. The C−H and O−H groups found on the clay adsorbent could attract methylene blue by dispersion forces and hydrogen bonding. Hydrocloric acid activation process for clay can increase surface area from 49 to 70 m 2 .g − 1 , meanwhile, reducing the average crystal size from 48.3 to 43.4 nm. The dye removal capacity increased from 34 to 40 mg.g − 1 in corresponding to the increase of the temperature from 30 to 50 °C. The results showed that the equilibrium adsorption capacity of activated Bledug Kuwu’s clay reached 99% in an adsorption time of 20 min. The kinetic models of methylene blue adsorption onto BKC and ABKC adsorbents follow the pseudo-second order and the adsorption process is spontaneous with free energy (ΔG) as −23.519 kJ.mol − 1 . Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License ( https://creativecommons.org/licenses/by-sa/4.0 ). }, issn = {1978-2993}, pages = {22--31} doi = {10.9767/bcrec.17.1.12473.22-31}, url = {https://ejournal2.undip.ac.id/index.php/bcrec/article/view/12473} }
Refworks Citation Data :
Bledug Kuwu is one of the geological phenomena as a mud volcano that occurs in Kuwu, Purwodadi, Grobogan, Central Java, Indonesia. The evaluation of Bledug Kuwu’s clay as one of the adsorbents for synthetic dyes has been carried out. The preparation of the adsorbent started with washing the clay with distilled water, followed by activation with a solution of hydrochloric acid (1 M) under mechanistic stirring for overnight. The C−H and O−H groups found on the clay adsorbent could attract methylene blue by dispersion forces and hydrogen bonding. Hydrocloric acid activation process for clay can increase surface area from 49 to 70 m2.g−1, meanwhile, reducing the average crystal size from 48.3 to 43.4 nm. The dye removal capacity increased from 34 to 40 mg.g−1 in corresponding to the increase of the temperature from 30 to 50 °C. The results showed that the equilibrium adsorption capacity of activated Bledug Kuwu’s clay reached 99% in an adsorption time of 20 min. The kinetic models of methylene blue adsorption onto BKC and ABKC adsorbents follow the pseudo-second order and the adsorption process is spontaneous with free energy (ΔG) as −23.519 kJ.mol−1. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
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