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Modified carbon aerogel particle electrode with function using electro-catalysis to remove indole and preparation method

A technology of carbon aerogel and particle electrode, which is applied in chemical instruments and methods, water pollutants, water/sewage treatment, etc., and can solve the problems of restricting the popularization, application and development of electrocatalytic oxidation technology, high cost of electrode materials, and short service life. question

Inactive Publication Date: 2017-02-22
BEIJING YIQINGYUAN ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the high resistance and low conductivity of traditional electrode materials lead to low current efficiency, insufficient stability, short life, and high cost of electrode materials in wastewater treatment, which limits the application and development of electrocatalytic oxidation technology in water treatment. , so the research and preparation of new electrode materials need to be further strengthened
At present, there is still a lack of electrode materials and preparation methods with high-efficiency electrocatalytic removal of indole-specific pollutants

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] (1) Wash 256g of carbon airgel particles with a particle size of 4-7mm with 1000mL deionized water, then soak them in 500mL chloroform for 8h, take them out and wash them with 1000mL deionized water and place them in a drying oven at 85°C Placed in the medium for 1h to obtain substance A;

[0055] (2) 2.56 g of AgNO 3 Add 800mL ether into a 1000mL Erlenmeyer flask, stir at 1000r / min for 5 minutes, shake well and divide into 4 equal parts to obtain mixed solution M1, mixed solution M2, mixed solution M3, and mixed solution M4;

[0056] (3) 189 mg of Ni (NO 3 ) 2 Add it into the mixed solution M1, and stir for 5 minutes under the condition of 1000r / min to obtain the mixed solution N1;

[0057] (4) Add substance A to the mixed solution N1, shake in a shaker at a temperature of 55°C for 0.5h, cool to room temperature, filter and remove the liquid to obtain substance B, and wash substance B with 500mL of ethanol with a concentration of 95% by mass Finally, place it in a ...

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PUM

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Abstract

The invention discloses a modified carbon aerogel particle electrode with a function using electro-catalysis to remove indole and a preparation method. The preparation method includes: preparing carbon aerogel, trichloromethane and ethanol into a substance A; by the substance A, modifying mixed liquid prepared by AgNO3, ethyl ether and NiCl2 to prepare a substance E; by the substance E, modifying mixed liquid prepared by Cu(NO3)2, ethanol, FeCl3, SnCl4, ZnCl2 and SbCl3 to prepare a substance H; by the substance H, modifying mixed liquid prepared by lauryl sodium sulfate, n-hexane, n-butanol, potassium metavanadate, sodium citrate, ZnCl2 and SbCl3 to prepare a substance K; by the substance K, modifying mixed liquid prepared by polyvinyl alcohol and HAuCl4 to obtain a substance, namely the modified carbon aerogel particle electrode with the function using electro-catalysis to remove indole.

Description

technical field [0001] The invention belongs to the technical field of electrocatalytic oxidation treatment of refractory organic wastewater, and in particular relates to a modified carbon airgel particle electrode with the function of electrocatalytically removing indole and a preparation method thereof. Background technique [0002] Electrocatalytic oxidation technology is a very promising water treatment technology that has gradually developed in recent years. It mainly oxidizes and degrades organic pollutants in wastewater by generating hydroxyl radicals and other active groups with strong oxidizing properties. Refractory organic matter or biotoxic pollutants are converted into biodegradable or non-toxic substances, improving the biodegradability of wastewater, thereby facilitating subsequent biological treatment. Therefore, the electrocatalytic oxidation water treatment technology has the characteristics of no secondary pollution, low cost, strong applicability, and hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/461C02F101/38
CPCC02F1/46114C02F1/4672C02F2001/46133C02F2101/38
Inventor 不公告发明人
Owner BEIJING YIQINGYUAN ENVIRONMENTAL PROTECTION TECH CO LTD