期刊
ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY
卷 17, 期 3, 页码 505-514出版社
SPRINGER
DOI: 10.1007/s10450-010-9311-5
关键词
Activated carbon; Immersion enthalpy; Adsorption; Heavy metals; Coconut shell
资金
- Fondo Especial de la Facultad de Ciencias
- Proyecto Semilla of the Universidad de los Andes
Activated carbon from coconut shells (ACCS) was synthesised and used for the removal of metal ions (manganese, iron, nickel and copper) from aqueous solutions. Two different adsorption models were used for analysing the data. Adsorption capacities were determined: copper ions exhibited the greatest adsorption on activated carbon obtained from coconut shells because of their size and pH conditions. Adsorption capacity varied as a function of the pH. Adsorption isotherms from aqueous solutions of heavy metals on ACCS were determined and were found to be consistent with Langmuir's adsorption model. Adsorbent quantity and immersion enthalpy were studied. The results were compared with other adsorbents used in a prior study.
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