Research Progress on Degradation of VOCs by Non-Thermal Plasma Under Different Reactors
Volatile organic compounds(VOCs)can do great harm to human body and natural environment.Non-thermal plasma technology has a wide scope of application and can remove VOCs under normal temperature and pressure.Different types of non-thermal plasma reactor are classified in this review and their effect on degradation is also concerning.The results show that while keeping the distribution parameters and gas distribution parameters constant,the diameter of the wire-cylinder corona discharge reactor and electrode,the distance between the wires and wires of the wire plate corona discharge reactor,and the spacing between wire boards has a significant impact on degradation efficiency.In the dielectric barrier discharge reactor,the cylindrical type is superior to the flat type in performance.In-plasma catalysis reactor is superior to post-plasma catalysis reactor in the ability of VOCs removal,but inferior to post plasma catalysis reactor in by-products control.It is very significant to choose suitable catalyst when removing VOCs.The future development is prospected according to the advantages and disadvantages of different plasma reactors in the end of this review.
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