期刊
MOLECULES
卷 21, 期 7, 页码 -出版社
MDPI AG
DOI: 10.3390/molecules21070953
关键词
carbon nanotubes; groundwater remediation; VOC removal; trichloroethylene; CNT hybrid; CNT membrane; hierarchical catalysis; biomimetic
资金
- American Chemical Society Petroleum Research Fund (ACS PRF) [54801-ND5]
- National Science Foundation [NSF-CHE 1506275]
- NSF-CBET [1449582]
- EPA
- Wright State University
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1506275] Funding Source: National Science Foundation
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [1449582] Funding Source: National Science Foundation
Adsorption of chlorinated organic contaminants (COCs) on carbon nanotubes (CNTs) has been gaining ground as a remedial platform for groundwater treatment. Applications depend on our mechanistic understanding of COC adsorption on CNTs. This paper lays out the nature of competing interactions at play in hybrid, membrane, and pure CNT based systems and presents results with the perspective of existing gaps in design strategies. First, current remediation approaches to trichloroethylene (TCE), the most ubiquitous of the COCs, is presented along with examination of forces contributing to adsorption of analogous contaminants at the molecular level. Second, we present results on TCE adsorption and remediation on pure and hybrid CNT systems with a stress on the specific nature of substrate and molecular architecture that would contribute to competitive adsorption. The delineation of intermolecular interactions that contribute to efficient remediation is needed for custom, scalable field design of purification systems for a wide range of contaminants.
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