Rachmannu Ilham1, Fataty Kurnia Rahmah1, Nurul Faradilah Said2, Mohamad Buang Budiono2, Suprapto Suprapto1,*
Journal of Renewable Materials, Vol.12, No.11, pp. 1895-1909, 2024, DOI:10.32604/jrm.2024.055602
- 22 November 2024
Abstract This study investigated the efficiency of activated carbon from Pangium edule shells for removing phosphate from aqueous solution. The adsorption capacity of the synthesized activated carbon was determined to be 19.8392 mg g−1. Various isotherm models were used to analyze the adsorption process, Henry, Freundlich, SIP, and Halsey isotherm fitting showed r2 values close to 1.0. These isotherms indicated a combination of physisorption and chemisorption mechanisms, with heterogeneity and multilayer formation playing important roles. A pseudo-second-order model described the adsorption kinetics well, suggesting chemisorption as the dominant mechanism with an r2 value of 1.0 and a rate constant… More >
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