# US 11,027,992 B2 · Iron-based amorphous electrode material for wastewater treatment and use thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,027,992 B2 - Document ID: US11027992B2 - Status: Granted - Kind: B2 - Application number: 16/309,309 - Filed: 2017-03-10 - Published: 2019-10-10 - Granted: 2021-06-08 - Earliest claimed: 2016-06-29 - Applicants: Institute of Metal Research, Chinese Academy of Sciences - Inventors: Zhengwang Zhu; Xindong Qin; Haifeng Zhang; Aimin Wang - Web page: https://patentgrep.com/patent/US11027992B2 ## CPC - C02F 1/46109: {Electrodes} - C02F 1/467: by electrochemical disinfection; {by electrooxydation or by electroreduction} - C22C 45/02: with iron as the major constituent - C25B 11/04: characterised by the material - C25B 11/046: Alloys - C02F 1/4672: {by electrooxydation} - C02F 2001/46133: {characterised by the material} - C02F 2001/46161: {Porous electrodes} - C02F 2101/308: {Dyes; Colorants; Fluorescent agents} - C02F 2201/46135: Voltage - C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes) - C22C: ALLOYS (treatment of alloys C21D, C22F) - C25B: ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR (anodic or cathodic protection C23F13/00; single-crystal growth C30B) ## Abstract An iron-based amorphous electrode material for industrial wastewater treatment, wherein the material is amorphous alloy used as an electrode for electrochemical degradation of industrial wastewater, and the atom percentage of iron element in the alloy being 40-84%, wherein a method for treating dye wastewater by using the iron-based amorphous electrode material and a use of the iron-based amorphous electrode material in the electrochemical degradation of industrial wastewater are also disclosed. ## Claims ### Claim 1 An iron-based amorphous electrode for industrial wastewater treatment, wherein the iron-based amorphous electrode is made of an iron-based amorphous alloy, wherein the iron-based amorphous electrode defines a ribbon, wherein the atomic percentage of iron element in the iron-based amorphous alloy is 65% to 84%, and the remaining alloying element is one or more elements selected from the group consisting of P, C, Mo, Ni and Co. ### Claim 2 An iron-based amorphous electrode for industrial wastewater treatment, wherein the iron-based amorphous electrode is made of an iron-based amorphous alloy, wherein the atomic percentage of iron element in the iron-based amorphous alloy is 40% to 84%, wherein the iron-based amorphous electrode defines a ribbon, and the remaining alloying element is one or more elements selected from the group consisting of P, C, Mo, Ni and Co. ### Claim 3 An iron-based amorphous electrode for industrial wastewater treatment, wherein the iron-based amorphous electrode is made of an iron-based amorphous alloy, wherein the atomic percentage of iron element in the iron-based amorphous alloy is 40% to 84%, wherein the iron-based amorphous electrode defines a ribbon, wherein the iron-based amorphous electrode is made of one or more iron-based amorphous alloys selected from the group consisting of Fe83Si4B10P2Cu1 (at. %), Fe65Co13Si8B14 (at. %), Fe40Co38Si8B14 (at. %), Fe68Ni10Si8B14 (at. %) and Fe50Ni28Si8B14 (at. %). ### Claim 4 A method for treating industrial wastewater, comprising the following steps: putting an iron-based amorphous electrode into the industrial wastewater, wherein the iron-based amorphous electrode is made of an iron-based amorphous alloy, wherein the atomic percentage of iron element in the iron-based amorphous alloy is 40% to 84%; applying a potential to the iron-based amorphous electrode, wherein the potential is 0 to 5V and controlling the current flowing through the iron-based amorphous electrode to be 0.005A to 1A; and maintaining the temperature of the industrial wastewater at ambient temperature to 100° C. ### Claim 5 (depends on 4) The method for treating industrial wastewater, as recited in claim 4, further comprising the following step: adjusting the pH of the industrial wastewater at 1˜12. ### Claim 6 (depends on 4) The method for treating industrial wastewater, as recited in claim 4, further comprising the following step: stirring the industrial wastewater by a stirrer at a speed of 100 rpm˜800 rpm. ### Claim 7 (depends on 5) The method for treating industrial wastewater, as recited in claim 5, further comprising the following step: stirring the industrial wastewater by a stirrer at a speed of 100 rpm˜800 rpm. ### Claim 8 (depends on 4) The method for treating industrial wastewater, as recited in claim 4, wherein the iron-based amorphous electrode defines a ribbon. ### Claim 9 (depends on 8) The method for treating industrial wastewater, as recited in claim 8, wherein the ribbon has a thickness of 15 μm−100 μm. ### Claim 10 (depends on 4) The method for treating industrial wastewater, as recited in claim 4, wherein the atomic percentage of iron element in the iron-based amorphous alloy is 70% to 84%, and the remaining alloying element is one or more elements selected from the group consisting of P, C, Mo, Ni and Co. ### Claim 11 (depends on 4) The method for treating industrial wastewater, as recited in claim 4, wherein the iron-based amorphous electrode is made of one or more iron-based amorphous alloys selected from the group consisting of Fe83Si4B10P2Cu1 (at. %), Fe65Co13Si8B14 (at. %), Fe40Co38Si8B14 (at. %), Fe68Ni10Si8B14 (at. %) and Fe50Ni28Si8B14 (at. %). ### Claim 12 (depends on 5) The method for treating industrial wastewater, as recited in claim 5, wherein the iron-based amorphous electrode is made of one or more iron-based amorphous alloys selected from the group consisting of Fe83Si4B10P2Cu1 (at. %), Fe65Co13Si8B14 (at. %), Fe40Co38Si8B14 (at. %), Fe68Ni10Si8B14 (at. %) and Fe50Ni28Si8B14 (at. %). ### Claim 13 (depends on 6) The method for treating industrial wastewater, as recited in claim 6, wherein the iron-based amorphous electrode is made of one or more iron-based amorphous alloys selected from the group consisting of Fe83Si4B10P2Cu1 (at. %), Fe65Co13Si8B14 (at. %), Fe40Co38Si8B14 (at. %), Fe68Ni10Si8B14 (at. %) and Fe50Ni28Si8B14 (at. %).