光电协同技术处理废水中全氟化合物的研究进展

Research Progress on Removal of Perfluorinated Compounds From Wastewater by Photoelectric Synergy Technologies

作为一种新型持久性污染物,全氟化合物的生态环境影响和毒理效应备受关注,针对全氟化合物处理技术的研究已成为环境领域研究热点之一。总结了吸附法、微生物法、芬顿氧化法、光化学氧化法、电化学氧化法等全氟化合物处理工艺以及各工艺优缺点,重点围绕光电协同催化技术、光电芬顿氧化技术、光电过氧化技术的原理、影响因素、优缺点等方面进行了综述。结果表明:光电协同技术是一种结合了光化学氧化和电化学氧化的高级氧化技术,具有反应条件温和、降解速率高且适应广泛等优点,被很多学者应用于降解全氟化合物。但是目前光电协同技术在产业化及工业应用方面仍旧处于初步阶段,需要进一步探索其工艺装置、最优运行参数和条件,并进行仿真模拟。

As an emerging persistent pollutant,the ecological and toxicological effects of perfluorinated compounds(PFCs) have attracted much attention,and the research on the treatment technology of PFCs has become one of the research hotspots in the environmental field.This paper summarizes the advantages and disadvantages of various treatment of perfluorinated compounds such as adsorption method,microbiology method,Fenton oxidation process,photochemical oxidation method,and electrochemical oxidation method.And the review focuses on the principles,influence factors,advantages and disadvantages of photo electrocatalysis,photo electro-Fenton and photo electro-peroxone.The results show that the photoelectric synergy technology is a kind of advanced oxidation technology which combines photochemical oxidation and electrochemical oxidation.It has the advantages of mild reaction conditions,high degradation rate and wide application,hence it has been applied to the degradation of perfluorinated compounds by many scholars.However,the industrialization and industrial application of optoelectronic collaborative technology is still in its initial stage,and further exploration of its process equipment,optimal operating parameters and conditions are needed.