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Method for degrading organic pollutants by potential oxidation

A technology for the oxidation and degradation of organic pollutants, applied in the field of potential oxidation degradation of organic pollutants, can solve the problems of high cost, high cost of carbon paper, and no economic benefits, and achieve low cost, low price, and simple and easy-to-operate preparation method Effect

Active Publication Date: 2018-08-21
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, in the 2013 Electrochimica Acta No. 92, page 93-101, the name "Electrochemical degradation of methyl orange on Pt-Bi / C nanostructured electrode by a squarewave potentialmethod" uses electrochemical oxidation to utilize Pt-Bi / C bimetallic The electrode degrades methyl orange in wastewater and has high catalytic activity, but the cost of carbon paper used in the electrode is relatively high, and the cost of chloroplatinic acid, bismuth nitrate and electrodeposition solution required for electrodeposition is relatively high. not economical

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] a. Mechanically mix 1g of powdered lithium cobaltate and 0.05g of acetylene black and ball mill for 2 hours, and then press into tablets, wherein the thickness of the tablets is 0.01cm;

[0015] b. Use the sheet pressed in step a as the positive electrode material, use metal lithium as the negative electrode, and use 1mol / L lithium hexafluorophosphate ethylene carbonate solution as the electrolyte, assemble it into a lithium ion battery, and discharge it to 1.5V;

[0016] c Disassemble the battery discharged to 1.5V in step b, take out 1g of the electrode material prepared in step b, and soak it in 5g of methyl orange solution.

Embodiment 2

[0018] a Mechanically mix 1g of powdered lithium vanadate with 0.125g of acetylene black and ball mill for 20h, then press into tablets, wherein the thickness of the tablets is 0.2cm;

[0019] b Use the sheet pressed in step a as the positive electrode material, use sodium metal as the negative electrode, and use 1mol / L sodium hexafluorophosphate ethylene carbonate solution as the electrolyte, assemble it into a sodium ion battery, and discharge it to 0.001V;

[0020] c Disassemble the battery discharged to 0.001V in step b, take out 1g of the electrode material prepared in step b, and soak it in 50g of methylene blue solution.

Embodiment 3

[0022] a. Mechanically mix 1g of powdered lithium iron phosphate and 0.1g of acetylene black and ball mill for 10h, and then press into tablets, wherein the thickness of the tablets is 0.1cm;

[0023] b. Use the sheet pressed in step a as the positive electrode material, use metallic lithium as the negative electrode, and use 1mol / L lithium hexafluorophosphate ethylene carbonate solution as the electrolyte, assemble it into a lithium ion battery, and discharge it to 0.01V;

[0024] c Disassemble the battery discharged to 0.01V in step b, take out 1 g of the electrode material prepared in step b, and soak it in 20 g of methyl red solution.

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Abstract

The invention provides a method for degrading organic pollutants by potential oxidation, and belongs to the field of organic pollutant degradation. The method comprises the following steps: firstly, mechanical mixing and ball milling are carried out on a powdery material and acetylene black, and then the mixture is tableted and assembled into a battery as a positive electrode material, and the battery is charged to 3-4.2V, the charged electrode material is taken out and soaked in an organic pollutant solution, and organic matters are subjected to oxidative degradation. The method for degradingorganic pollutants is simple and easy to operate.

Description

technical field [0001] The invention relates to a method for potential oxidation degradation of organic pollutants, which belongs to the field of degradation of organic pollutants. technical background [0002] Since entering the 21st century, energy and the environment have increasingly become major issues to be solved urgently for future human beings. Organic pollutants continue to grow. These organic substances are difficult to degrade in the natural environment and have a very long residence time. They can be ingested into the human body through the respiratory tract and digestive tract, and may also be absorbed into the human body through the skin, affecting the oxygen supply of tissue cells and causing internal suffocation. Some categories are even carcinogenic, posing a serious threat to human survival, reproduction and sustainable development. In recent years, the degradation of organic pollutants has attracted great attention, and how to further improve the degrada...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/461H01M4/04H01M4/1391H01M4/1397H01M10/0525H01M10/054H01M10/058
CPCH01M4/0433H01M4/1391H01M4/1397H01M10/0525H01M10/054H01M10/058C02F1/46109C02F2001/46133C02F2101/308Y02E60/10Y02P70/50
Inventor 方东鲍瑞易健宏李秀娟刘意春李才巨游昕陶静梅
Owner KUNMING UNIV OF SCI & TECH