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A method and device for electrochemical cathode excitation of permanganate to degrade pollutants in water

A permanganate, cathode excitation technology, applied in electrochemical water/sewage treatment, water pollutants, chemical instruments and methods, etc., can solve problems such as poor heavy metal effect, reduce usage, reduce costs, and improve excitation The effect of activation rate

Active Publication Date: 2020-04-28
CHONGQING XINHE QIYUE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention mainly aims at the problem that permanganate degrades organic pollutants and heavy metals in water in the existing method, and provides a method for using an electrochemical cathode to excite permanganate to degrade pollutants in water. At the same time, the present invention also provides a A device for implementing the method

Method used

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  • A method and device for electrochemical cathode excitation of permanganate to degrade pollutants in water
  • A method and device for electrochemical cathode excitation of permanganate to degrade pollutants in water
  • A method and device for electrochemical cathode excitation of permanganate to degrade pollutants in water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The electrode reactor with the above structure is used to treat sewage containing 20 μM diclofenac sodium. The steps are as follows: inject the sewage to be treated into the reaction chamber, then add electrolyte to make the electrolyte concentration 0.05M, and then add permanganate to make the permanganate The concentration is 20μM, start the DC power supply, keep the permanganate concentration at 20μM and the current of 80mA, after 40min of treatment, the treated sewage is discharged from the outlet.

[0034] In this embodiment, the permanganate is potassium permanganate. When adding, the potassium permanganate is completely dissolved with an appropriate amount of water, and then added into the reaction chamber through the water inlet; the electrolyte is sodium sulfate and potassium carbonate, and the sulfuric acid The mass ratio of sodium to potassium carbonate is 1:0.7; the anode of the electrode reactor is a platinum-plated titanium electrode, and the cathode is a p...

Embodiment 2

[0037] The electrode reactor with the above structure is used to treat sewage containing 20 μM diclofenac sodium. The steps are as follows: inject the sewage to be treated into the reaction chamber, then add electrolyte to make the electrolyte concentration 0.05M, and then add permanganate to make the permanganate The concentration is 100μM, start the DC power supply, keep the concentration of permanganate at 100μM and the energizing current at 200mA, after 30 minutes of treatment, the treated sewage is discharged from the outlet.

[0038] In this embodiment, the permanganate is sodium permanganate. When adding, the sodium permanganate is completely dissolved with an appropriate amount of water, and then added into the reaction chamber through the water inlet; the electrolyte is sodium sulfate and potassium carbonate, and sulfuric acid The mass ratio of sodium to potassium carbonate is 1:0.7; the anode of the electrode reactor is a platinum-plated titanium electrode, and the ca...

Embodiment 3

[0041] The electrode reactor with the above structure is used to treat sewage containing 20 μM diclofenac sodium. The steps are as follows: inject the sewage to be treated into the reaction chamber, then add electrolyte to make the electrolyte concentration 0.05M, and then add permanganate to make the permanganate The concentration is 100μM, start the DC power supply, keep the concentration of permanganate at 100μM and the energizing current at 100mA, after 30 minutes of treatment, the treated sewage is discharged from the outlet.

[0042] In this embodiment, the permanganate is sodium permanganate. When adding it, first dissolve the sodium permanganate completely with an appropriate amount of water, and then add it into the reaction chamber through the water inlet; the electrolyte is sodium sulfate; the anode of the electrode reactor is Platinum-plated titanium electrode, the cathode is a platinum-plated titanium coated electrode.

[0043] Record the concentration change of d...

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Abstract

The invention discloses a method for degrading water pollutant by electrochemistry cathode motivated permanganate and a device thereof, wherein the method includes steps of filling to-be-treated sewage to an electrode reactor, and feeding electrolyte to make that the concentration of the electrolyte is 0.05M; feeding permanganate to make that the concentration of the permanganate is 1-100 miu m; then treating under the conditions that the permanganate concentration is 1-100 miu m and the charging current is 50-200 mA, and processing for 30-60 min, and then completing the degradation of the pollutant in the sewage. The method and the device apply electrochemistry cathode motivated permanganate, thus the permanganate generates middle rate manganese ion with strong oxidizing property, and can effectively oxidize and absorb organic matters and heavy metals in the water; the device is plated at the inner wall of a reaction wall and the plate wall of an overflow plate in the form of plating, the contact area between the sewage and the cathode electrode is increased, thereby improving the motivation activating rate of the permanganate, decreasing the metal usage and reducing cost.

Description

technical field [0001] The invention belongs to the field of sewage treatment, and in particular relates to a method and a device for stimulating permanganate to degrade pollutants in water by an electrochemical cathode. Background technique [0002] In recent years, more and more pollutants have entered the water body, and the types have become more and more complex, which has caused serious pollution to the water environment on which people live and has brought a great threat to the sanitation and safety of drinking water. The traditional water treatment process still has some problems in solving micro-pollution of water body, eutrophication of water body, persistent organic pollutants, high-concentration organic wastewater and removal of heavy metals. The characteristics of selective and thorough oxidation of pollutants in the environment have advantages in degrading organic pollutants in water, and the removal of heavy metals mostly depends on different adsorption. As a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/46C02F1/467C02F1/72C02F101/20C02F101/30C02F101/36C02F101/22
CPCC02F1/46C02F1/4672C02F1/72C02F2101/20C02F2101/22C02F2101/30C02F2101/36
Inventor 赵纯张轩金凡朱云华刘臻郑怀礼张帅司斌朱轩墨余聃
Owner CHONGQING XINHE QIYUE TECH CO LTD
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