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Defluorination Techniques: Past, Present and Future Prospective
Fluoride ions are commonly found in minerals like mica, fluorapatite, muscovite, topaz, biotite, sellaite, cryolite, muscovite, and fluorspar....
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Fluorine recovery through alkaline defluorination of polyvinylidene fluoride
The establishment of technological approaches for the defluorination of waste fluoropolymers and recovery of eliminated F – may contribute to the...
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Substantial defluorination of polychlorofluorocarboxylic acids triggered by anaerobic microbial hydrolytic dechlorination
Chlorinated polyfluorocarboxylic acids (Cl-PFCAs) derived from the widely used chlorotrifluoroethylene oligomers and polymers may enter and influence...
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Defluorination of monofluorinated alkane by Rhodococcus sp. NJF-7 isolated from soil
Microbial degradation of fluorinated compounds raised significant attention because of their widespread distribution and potential environmental...
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Hydrothermal defluorination of fluorobenzene in the presence of sodium hydroxide
Since fluorinated organic compounds are widely used in various industries, generating large amounts of waste, an effective disposal method is...
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Photochemical degradation pathways and near-complete defluorination of chlorinated polyfluoroalkyl substances
Chlorinated polyfluoroalkyl substances (Cl x –PFAS) are an emerging class of pollutants worldwide. Here we demonstrate near-complete defluorination...
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Defluorination of Waste Cathodic Carbon Through Steam Under Conventional High-Temperature Roasting
With the development of the electrolytic aluminum industry, a large number of waste cathode carbons (WCC) of electrolytic aluminum remain, which are...
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Thermal defluorination behaviors of PFOS, PFOA and PFBS during regeneration of activated carbon by molten salt
Current study proposes a green regeneration method of activated carbon (AC) laden with Perfluorochemicals (PFCs) from the perspective of...
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The Defluorination of SiF4 on Si (1 1 1) Surfaces: a Density Functional Theory Study
In this paper, the defluorination of SiF 4 on Si (1 1 1) surface are studied by adopting density functional theory calculation. SiF 4 defluorination on...
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Preliminary study on isolation and characterization of bacteria with defluorination towards perfluorooctanoic acid (PFOA)
Perfluorooctanoic acid (PFOA) belongs to the class of persistent organic pollutants widely distributed in the environment, and has the...
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Selective Defluorination Induced by Photoactive Metallocomplexes
As the importance of partially fluorinated compounds continues to surface in the agricultural, pharmaceutical, and material fields, new synthetic... -
Synthesis and Preliminary Evaluation of an 18F-labeled Oleate Analog to Image Fatty Acid Beta-Oxidation in the Absence of Metabolic Defluorination
PurposeFatty acid oxidation (FAO) is a key parameter for evaluating cardiovascular, oncologic, neurologic, and other metabolic diseases. Several...
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Oxidative defluorination of fluorinated ethylene propylene polymer in moist Cl2 at a low temperature: A mechanistic insight
Defluorination of fluorinated ethylenepropylene (FEP) occurred by reaction with moist Cl 2 in the presence of HCl and O 2 at -20 °C is described. White...
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Studying the Possibility for Defluorination of Calcium and Rare-Earth Fluorides by Ammonium Sulfate
AbstractThe processes of solid-phase interaction between calcium and rare-earth fluorides and ammonium sulfate have been studied. Based on...
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The Effect and Potential Mechanism of Cement-Based Pellets for Fluoride Removal from Surface Water
Fluoride contamination in water is a global health concern. While many studies have used simulated fluoride-containing solutions in labs, few have...
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Defluorination and adsorption of tetrafluoroethylene (TFE) on TiO2(110) and Cr2O3(0001)
Here, we show that metal oxide surfaces catalyze the formation of intermediate defluorinated tetrafluoroethylene (TFE) radicals, resulting in...
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Highly efficient C–F bond cleavage to access esters over robust silicon-aluminum phosphate catalyst
Trifluoromethyl defluorination reaction plays a crucial role in promoting drug discovery, pesticide development and materials science. However,...
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Near-complete destruction of PFAS in aqueous film-forming foam by integrated photo-electrochemical processes
Per- and polyfluoroalkyl substances (PFAS) are highly recalcitrant pollutants in the water environment worldwide. Aqueous film-forming foam (AFFF)...
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A Superior Technology for Removing Fluorine from Spent Cathode Carbon: Optimization of the Process by Response Surface Methodology
Spent cathode carbon is a type of waste generated during the maintenance or replacement of aluminum reduction cells, which contains some toxic...