XULuo,LINQiu-feng,LICong,et al.Current Situation of Typical Perfluorinated Compounds Pollution and Its Treatment Technology Progress[J].China Water & Wastewater,2022,38(10):56-62.
Current Situation of Typical Perfluorinated Compounds Pollution and Its Treatment Technology Progress
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第38卷
Number:
第10期
Page:
56-62
Column:
Date of publication:
2022-05-17
- Keywords:
- perfluorinated compounds（PFCs）; perfluorooctanoate（PFOA）; perfluorooctane sulfonate（PFOS）; persistent organic pollutant
- Abstract:
- As a type of emerging organic pollutants, perfluorinated compounds (PFCs) have been widely concerned in recent years due to their long-term environmental pollution, long-distance transportation and biological toxicity. To deal with the environmental risks caused by PFCs, the pollution situation in water environment of the two most widely used PFCs: Perfluorooctanoate (PFOA) and Perfluorooctane sulfonate (PFOS) were comprehensively summarized. In addition, the treatment technology and its mechanism, advantages and disadvantages of PFOA and PFOS were discussed. According to the analysis of experimental data, ion exchange resin can be recommended for the removal of ng/L PFOS. At present, microbiological methods are not yet mature. Although the removal rates of adsorption and oxidation treatment technologies are higher, the degradation rate and defluorination rate of PFOA in the TiO2/VUV (pH=4) system can reach 98.3% and 52.4%, respectively. The defluorination rate is relatively low. Improving the defluorination rate has become a new research point in the future. Formulating detection and control laws and developing degradable substitutes are key points to control PFCs pollution.
Last Update:
2022-05-17