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  2. Remediation of per- and polyfluoroalkyl substances - Wikipedia

    en.wikipedia.org/wiki/Remediation_of_per-_and...

    Nonetheless, diverse methods are being tested including sonolysis, electrochemical oxidation, advanced oxidation processes, as well as the use of oxidative enzymes (such as peroxidase and laccase). [2] All of these methods promote the formation of hydroxyl radicals or other oxidizing agents that can oxidize PFAS and break its C−C bonds.

  3. Electro-oxidation - Wikipedia

    en.wikipedia.org/wiki/Electro-oxidation

    Electro-oxidation (EO or EOx), also known as anodic oxidation or electrochemical oxidation (EC), is a technique used for wastewater treatment, mainly for industrial effluents, and is a type of advanced oxidation process (AOP). [1] The most general layout comprises two electrodes, operating as anode and cathode, connected to a power source.

  4. Advanced oxidation process - Wikipedia

    en.wikipedia.org/wiki/Advanced_oxidation_process

    A goal of the wastewater purification by means of AOP procedures is the reduction of the chemical contaminants [7] and the toxicity to such an extent that the cleaned wastewater may be reintroduced [8] into receiving streams or, at least, into a conventional sewage treatment. Although oxidation processes involving ·OH have been in use since ...

  5. Per- and polyfluoroalkyl substances - Wikipedia

    en.wikipedia.org/wiki/Per-_and_polyfluoroalkyl...

    USGS map showing the number of PFAS detections in tap water samples from select sites across the U.S. In April 2024, the EPA issued a final drinking water rule for PFOA, PFOS, GenX, PFBS, PFNA, and PFHxS. Within three years, public water systems must remove these six PFAS to near-zero levels. States may be awarded grants up to $1 billion in aid ...

  6. Supercritical water oxidation - Wikipedia

    en.wikipedia.org/wiki/Supercritical_water_oxidation

    Supercritical water oxidation (SCWO) is a process that occurs in water at temperatures and pressures above a mixture's thermodynamic critical point. Under these conditions water becomes a fluid with unique properties that can be used to advantage in the destruction of recalcitrant and hazardous wastes such as polychlorinated biphenyls (PCB) or ...

  7. Electrocatalyst - Wikipedia

    en.wikipedia.org/wiki/Electrocatalyst

    An electrocatalyst lowers the activation energy required for an electrochemical reaction. [5] Some electrocatalysts change the potential at which oxidation and reduction processes occur. [6] In other cases, an electrocatalyst can impart selectivity by favoring specific chemical interaction at an electrode surface. [7]

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