Article (Scientific journals)
Can metal organic frameworks outperform adsorptive removal of harmful phenolic compound 2-chlorophenol by activated carbon?
Mohd Azmi, Luqman Hakim; Williams, Daryl; LADEWIG, Bradley Paul
2020In Chemical Engineering Research and Design, 158, p. 102 - 113
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Keywords :
2-Chlorophenol; Activated carbon; Liquid adsorption; Metal organic frameworks; Organic pollutant removal; 2-chlorophenols; Adsorption capacities; Adsorptive removal; High surface area; Persistent organic compounds; Phenolic compounds; Washing cycle; Water stability; Chemistry (all); Chemical Engineering (all); General Chemical Engineering; General Chemistry
Abstract :
[en] Removal of persistent organic compounds from aqueous solutions is generally achieved using adsorbent like activated carbon (AC) but it suffers from limited adsorption capacity due to low surface area. This paper describes a pioneering work on the adsorption of an organic pollutant, 2-chlorophenol (2-CP) by two MOFs with high surface area and water stability; MIL-101 and its amino-derivative, MIL-101-NH2. Although MOFs have higher surface area than AC, the latter was proven better having the highest equilibrium 2-CP uptake (345 mg g−1), followed by MIL-101 (121 mg g−1) and MIL-101-NH2 (84 mg g−1). Used MIL-101 could be easily regenerated multiple times by washing with ethanol and even showed improved adsorption capacity after each washing cycle. These results can open the doors to meticulous adsorbent selection for treating 2-CP-contaminated water.
Disciplines :
Chemical engineering
Author, co-author :
Mohd Azmi, Luqman Hakim ;  Barrer Centre, Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, United Kingdom ; Grantham Institute – Climate Change and the Environment, Imperial College London, South Kensington Campus, London, United Kingdom ; Surfaces and Particle Engineering Laboratory, Department of Chemical Engineering, Imperial College London, United Kingdom
Williams, Daryl;  Surfaces and Particle Engineering Laboratory, Department of Chemical Engineering, Imperial College London, United Kingdom
LADEWIG, Bradley Paul  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) ; Barrer Centre, Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, United Kingdom ; Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
External co-authors :
yes
Language :
English
Title :
Can metal organic frameworks outperform adsorptive removal of harmful phenolic compound 2-chlorophenol by activated carbon?
Publication date :
June 2020
Journal title :
Chemical Engineering Research and Design
ISSN :
0263-8762
eISSN :
1744-3563
Publisher :
Institution of Chemical Engineers
Volume :
158
Pages :
102 - 113
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Yayasan Khazanah
Available on ORBilu :
since 15 January 2024

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