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Adsorption of methylene blue from aqueous solution by peanut shell based activated carbon

Peanut shell-based activated carbon (PSAC) was used to study the removal of methylene blue (MB) dye from aqueous solution. Chemical agent of sodium hydroxide (NaOH) and gasification agent of carbon dioxide (CO2) were used to prepare PSAC via physicochemical activation. In batch studies, several effects namely, initial MB dye concentration, solution temperature, and solution pH were evaluated. Isotherm and kinetic study revealed that the adsorption system of MB-PSAC was fitted the finest by Freundlich and pseudo-second-order models, respectively. Thermodynamic studies certified that MB adsorption onto PSAC was physically controlled and was endothermic in nature.

Language: English
Document code: 8706776c-709d-11ed-a315-fa163eda1aa9
Research Area: Pelbagai Disiplin
Published Year: 2021
DOI: https://doi.org/10.1016/j.matpr.2021.02.789
ISBN / ISSN: —

Authors

MOHD AZMIER AHMADMOHAMAD FIRDAUS MOHAMAD YUSOPRIDZUAN ZAKARIAJAMILAH BINTI KARIMDR. NOOR HAZA FAZLIN HASHIMCHM. NOR SALMI ABDULLAHMUHAMMAD AZROIE MOHAMED YUSOFFDATO IR. DR. HJ. NASEHIR KHAN E.M YAHAYA

Abstract

Peanut shell-based activated carbon (PSAC) was used to study the removal of methylene blue (MB) dye from aqueous solution. Chemical agent of sodium hydroxide (NaOH) and gasification agent of carbon dioxide (CO2) were used to prepare PSAC via physicochemical activation. In batch studies, several effects namely, initial MB dye concentration, solution temperature, and solution pH were evaluated. Isotherm and kinetic study revealed that the adsorption system of MB-PSAC was fitted the finest by Freundlich and pseudo-second-order models, respectively. Thermodynamic studies certified that MB adsorption onto PSAC was physically controlled and was endothermic in nature.

Citation

MOHD AZMIER AHMAD, MOHAMAD FIRDAUS MOHAMAD YUSOP, RIDZUAN ZAKARIA, JAMILAH BINTI KARIM, DR. NOOR HAZA FAZLIN HASHIM, CHM. NOR SALMI ABDULLAH, MUHAMMAD AZROIE MOHAMED YUSOFF, DATO IR. DR. HJ. NASEHIR KHAN E.M YAHAYA. 2021. Adsorption of methylene blue from aqueous solution by peanut shell based activated carbon. Digital NAHRIM Publication Repository.