DataVXACS Applied Materials & InterfacesPaper
journal article·2023-08-09

Efficient and Reversible Separation of Chloroform from Chlorinated Hydrocarbons and Water Utilizing a Two-Dimensional Coordination Network

Guo-Bi Li, Jing Chen, Hao-Ran Liu, Bai-Qiao Song, Shuang Ni, Rong-Kai Pan, Qing-Yuan Yang

ACS Applied Materials & Interfaces· Volume 15· Issue 31
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Source abstract

Abstract

Chloroform is a volatile organic solvent and a contaminant that is slightly soluble in water, making the reversible separation of chloroform from water a critical and challenging task within the chemical and environmental industries. In this study, we present a newly developed coordination framework, [Zn(4-pmntd)(opa)] [4-pmntd, N, N ′-bis(4-pyridylmethyl)naphthalene diimide; opa, o -phthalic acid], which demonstrates a high adsorption capacity for chloroform (2.5 mmol/g) and an excellent ability to separate chloroform from water. The effectiveness of chloroform extraction by Zn(4-pmntd)(opa) was confirmed through vapor sorption, grand canonical Monte Carlo simulation, and 1 H nuclear magnetic resonance spectroscopy. The porous framework was also utilized to create a filtration film using natural rubber, which successfully separated chloroform from water with a minimum test concentration of approximately 1 × 10 –6 mol/L and a chloroform purity of 99.2%. [Zn(4-pmntd)(opa)] therefore has significant potential for low-energy separation and recycling of chloroform from water under ambient conditions.
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Research context

OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Covalent Organic Framework Applications · Adsorption and biosorption for pollutant removal

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Chemistry and Chemical Engineering, Lingnan Normal University, Zhanjiang, Guangdong 524048, People’s Republic of China

School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, People’s Republic of China

College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, Sichuan 610059, People’s Republic of China

Funding

China Agricultural Research System · National Key Research and Development Program of China · Lingnan Normal University · National Natural Science Foundation of China · Natural Science Foundation of Guangdong Province · Ministry of Agriculture and Rural Affairs of the People's Republic of China · Key Laboratory of Chean Energy Material Chemistry in Guangdong General University · China Tobacco Anhui Industrial Co., Ltd. · ShccigQinling Program

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