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Journal
2013 | 11 | 2 | 160-170
Article title

Activated carbon from bamboo waste modified with iron and its application in the study of the adsorption of arsenite and arsenate

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EN
Abstracts
EN
Activated carbon obtained from bamboo waste was synthesised and modified with iron (BAC-Fe) and used for the removal of arsenic from aqueous solutions. Two different adsorption models were used for analysing the data. The adsorption capacities were determined for BAC-arsenite, BAC-Fe-arsenite, BAC-arsenate and BAC-Fe-arsenate, with a qmax (µg g−1) of 14.89, 19.19, 22.32 and 27.32 respectively. Adsorption capacity varied as a function of pH and modifications to the sorbent. Adsorption isotherms from an aqueous solution of arsenite and arsenates on activated carbons were determined. These adsorption isotherms were consistent with the Langmuir and Freundlich adsorption models. Adsorption kinetics followed a pseudo-first order rate equation, as did the kinetics for BAC-Fe-arsenite and BAC-Fe-arsenate adsorption. [...]
Publisher

Journal
Year
Volume
11
Issue
2
Pages
160-170
Physical description
Dates
published
1 - 2 - 2013
online
29 - 11 - 2012
Contributors
  • Chemistry Department, Sciences Faculty, Andes University, Research Group in Porous Solids and Calorimetry, Bogotá, 111711, Colombia, jumoreno@uniandes.edu.co
  • Chemistry Department, National University of Colombia, Bogotá, 111711, Colombia
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_s11532-012-0138-7
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