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VOCs absorption from gas streams using deep eutectic solvents - A review
1Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdansk University of Technology, 80-233 Gdansk, Poland; EcoTech Center, Gdańsk University of Technology, 80-233 Gdańsk, Poland.
Journal of Hazardous Materials
|March 2, 2023
Summary
Deep eutectic solvents (DES) offer a green method for capturing volatile organic compounds (VOCs), a major air pollutant. This review explores DES applications, properties, and regeneration for effective VOC removal from various gas streams.
Area of Science:
- Environmental Chemistry
- Green Chemistry
- Chemical Engineering
Background:
- Volatile organic compounds (VOCs) are significant atmospheric pollutants from anthropogenic sources, posing risks to health, the environment, and industrial infrastructure.
- Their corrosive and reactive properties necessitate effective capture methods from diverse gaseous streams like air, process, waste, and fuel gases.
- Current technologies for VOC capture are being critically evaluated, driving the search for sustainable alternatives.
Purpose of the Study:
- To provide a comprehensive literature review on the use of deep eutectic solvents (DES) for capturing volatile organic compounds (VOCs).
- To critically summarize achievements, evaluate methods, and discuss the regeneration potential of DES in VOC capture technologies.
- To offer insights into new gas purification methods and future research directions in this field.
Main Methods:
- Literature review of existing studies on deep eutectic solvents (DES) for volatile organic compound (VOC) capture.
- Analysis of different types of DES and their physicochemical properties influencing absorption efficiency.
- Examination of methods for evaluating the effectiveness and regeneration capabilities of DES-based VOC capture technologies.
Main Results:
- Deep eutectic solvents (DES) show promise as a green alternative for capturing various volatile organic compounds (VOCs).
- The efficiency of VOC absorption is significantly influenced by the specific properties of the chosen DES.
- Regeneration of DES is a crucial factor for the economic viability and sustainability of these capture processes.
Conclusions:
- Deep eutectic solvents (DES) represent a viable and environmentally friendly approach for volatile organic compound (VOC) removal.
- Further research is needed to optimize DES properties and regeneration techniques for industrial-scale VOC capture.
- This review highlights the potential of DES in advancing gas purification technologies and mitigating air pollution.
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