Open AccessHIGH ENTROPY ALLOWS A BETTER AFFINITY BETWEEN METAL IONS AND ACTIVATED CARBON FIBRES
Author(s) -
Sang Sun Choi,
Soon Hong Lee,
Kyung Jae Yun,
Young Min Jin,
Joon Hyuk Lee
Publication year - 2021
Publication title -
materiali in tehnologije
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.27
H-Index - 25
eISSN - 1580-3414
pISSN - 1580-2949
DOI - 10.17222/mit.2020.202
Subject(s) - randomness , langmuir , materials science , activated carbon , adsorption , entropy (arrow of time) , aqueous solution , freundlich equation , metal ions in aqueous solution , langmuir adsorption model , thermodynamics , ion , metal , chemical engineering , chemistry , organic chemistry , metallurgy , physics , statistics , engineering , mathematics
Recent numerical approaches to extracting metal species using carbonaceous materials have de facto stimulated an interest in the field of microextraction, but theoretical observations inspired by randomness changes have been elusive. In this contribution, we present the degree of randomness using Cu (II) and Pb (II). Here, activated carbon fibres were employed as the skeleton adsorbent, providing scientific insights via the aqueous phase. Coupled isotherms of Langmuir and Freundlich were represented to unravel the aforementioned thermodynamics. Findings revealed that the Langmuir isotherm best described the equilibrium state and the trend was in accordance with the energy computation. The maximum microextraction performance was 84.75 mg/g and 102.04 mg/g for Cu (II) and Pb (II), respectively. Under all circumstances, there was a high randomness change as the microextraction performance increased.