Electrochemical oxidation of pfas contaminated solutions
AssigneeElement Six Technologies Limited
InventorsTimothy Peter MOLLART, Julian James Sargood ELLIS
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Abstract
A method of electrochemical oxidation of per- and polyfluoroalkyl substances, PFAS, in a solution. The method comprises providing an electrochemical reactor, the electrochemical reactor comprising at least one boron-doped diamond electrode. The PFAS-containing solution is passed over the boron-doped diamond electrode. The electrochemical reactor is operated at a temperature of at least 100° C., a pressure of at least bar, and an electrode current density of at least 1 000 Am−2.
Claims29
A method of electrochemical oxidation of per- and polyfluoroalkyl substances, PFAS, in a solution, the method comprising:
- providing an electrochemical reactor, the electrochemical reactor comprising at least one boron-doped diamond electrode;
- passing the PFAS-containing solution over the boron-doped diamond electrode;
- and
- operating the electrochemical reactor at a temperature of at least 100° C., a pressure of at least 5 bar, and an electrode current density of at least 1000 Am−2.
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A method of electrochemical oxidation of per- and polyfluoroalkyl substances, PFAS, in a solution, the method comprising:
- providing an electrochemical reactor, the electrochemical reactor comprising at least one boron-doped diamond electrode;
- passing the PFAS-containing solution over the boron-doped diamond electrode;
- and
- operating the electrochemical reactor at an electrode current density of at least 5 000 Am−2.
An electrochemical reactor configured for electrochemical oxidation of per- and polyfluoroalkyl substances, PFAS, in a solution, the electrochemical reactor comprising:
- at least one boron-doped diamond electrode;
- a channel for passing the PFAS-containing solution over the at least one boron-doped diamond electrode;
- a heat source configured to maintain a temperature of at least 100° C. in the electrochemical reactor;
- wherein the electrochemical reactor is configured to operate at a pressure of at least 5 bar, and the boron-doped diamond electrode is configured to operate at a current density of at least 1 000 Am−2.
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An electrochemical reactor configured for electrochemical oxidation of per- and polyfluoroalkyl substances, PFAS, in a solution, the electrochemical reactor comprising:
- at least one boron-doped diamond electrode;
- a channel for passing the PFAS-containing solution over the at least one boron-doped diamond electrode;
- wherein the electrochemical reactor is configured to operate at a current density of at least 1 000 Am−2.
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Dependencies are inferred from the claim text.