Special Issue "Soluble Microbial Products and Perfluorinated Compounds in Wastewater Treatment"
Deadline for manuscript submissions: 31 May 2023 | Viewed by 5233
Interests: water treatment; endocrine disruption estrogens; water purification technologies; water analysis; drinking water quality; water chemistry; water engineering; water purification; water quality analysis
Interests: water treatment; endocrine disruption; taste and odour compounds
Interests: water treatment; micropollutants removal in waters
Per- and polyfluoroalkyl substances (PFASs) are synthetic fluorinated surfactants composed of a carbon backbone and a charged functional group. Their unique chemical structure provides hydrophobic, oil repellent, high temperature resistant, and significant reduction in water surface tension properties, making them widely used in pesticides, medicines, cosmetics, clothes, inks, oil production, food packaging, electrical wiring, and fire-fighting foams. However, some studies have shown that PFASs have potential hepatotoxicity, neurotoxicity, reproductive toxicity, immunotoxicity, thyroid disruption, cardiovascular toxicity, pulmonary toxicity, and renal toxicity to organisms. Therefore, it is necessary to develop effective methods to remove or degrade PFASs.
On the global market, more than 3000 PFASs, among them perfluorooctanoic acid (PFOA), are frequently detected in various environmental matrices. A variety of technologies has been developed to remove or degrade perfluorooctanoic acid (PFOA) in water, including biodegradation, adsorption (e.g., activated carbon, porous resin, mineral materials, and carbonaceous nanomaterials), and advanced oxidation (e.g., sonochemical, electrochemical, optical induction, and fenton). Among the above methods, biodegradation is not mature, and its degradation cycle is long and incomplete, which indicates the need for further development. At present, adsorption and advanced oxidation are effective methods to degrade PFOA, but their mechanism and intermediate products are not clear. Traditional adsorbents face the problem of less adsorption capacity and difficult recovery, and the defluorination rate of advanced oxidation process is low. Therefore, this Special Issue will focus on the development of new adsorbents and the improvement of defluorination rate of advanced oxidation, and investigating their mechanisms and intermediate products.
Dr. Cong Li
Dr. Kejia Zhang
Dr. Ailan Yan
Manuscript Submission Information
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- per- and polyfluoroalkyl substances (PFASs)
- perfluorooctanoic acid (PFOA)
- degradation technologies
- advanced oxidation
- defluorination rate
- intermediate products
- disinfection byproducts