ORIGINAL RESEARCH
Study of the Reactive Red Dye (RR 120)
Adsorption of Activated Carbon Prepared
from Durian (Durio zibethinus Murr.) Peel
1
Chemistry Faculty, Thai Nguyen University of Education, Thai Nguyen 250000, Vietnam
2
International School, Thai Nguyen University, Thai Nguyen 250000, Vietnam
3
Faculty of Natural Sciences, Tay Bac University, 250000, Vietnam
4
Faculty of Chemistry, University of Science, Thai Nguyen University, Thai Nguyen 250000, Vietnam
5
Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University,
Ho Chi Minh City, Vietnam
Submission date: 2024-09-19
Final revision date: 2025-01-26
Acceptance date: 2025-05-24
Online publication date: 2025-07-28
Corresponding author
Thi Cam Quyen Ngo
Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
KEYWORDS
TOPICS
ABSTRACT
The synthesis of activated carbon from durian peel activated with Na2CO3 (ACDSB) was achieved.
Several factors affecting the adsorption capacity of Reactive Red dye (RR 120) on ACDSB-activated
carbon by the static adsorption method were investigated. Results showed that the time to reach
adsorption equilibrium was 30 minutes, the best adsorbent pH for RR 120 was 3, and the optimum
mass of material was 2.5 g/L. The adsorption behavior of RR 120 on ACDSB adheres to the Langmuir,
Freundlich, Tempkin, and Elovich isotherms of adsorption. The adsorption process of RR 120 on
ACDSB-activated carbon follows the second-order kinetics equation, spontaneous, endothermic,
physical, and chemical adsorption.
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| eISSN: | 2083-5906 |
| ISSN: | 1230-1485 |
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