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Nickel-boron-antimony co-doped tin dioxide electrocatalytic anode and preparation method and application

A tin dioxide, electrocatalysis technology, applied in chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, etc., can solve the problem of short service life, expensive electrocatalytic anodes, etc. problems, to achieve the effect of long service life, good market prospects and high catalytic activity

Active Publication Date: 2020-09-22
HENAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problems of high price and short service life of electrocatalytic anodes in the prior art

Method used

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  • Nickel-boron-antimony co-doped tin dioxide electrocatalytic anode and preparation method and application
  • Nickel-boron-antimony co-doped tin dioxide electrocatalytic anode and preparation method and application
  • Nickel-boron-antimony co-doped tin dioxide electrocatalytic anode and preparation method and application

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preparation example Construction

[0036] A kind of preparation method of nickel-boron-antimony co-doped tin dioxide electrocatalytic anode, the preparation steps are as follows:

[0037] Step 1. Boil the porous titanium sheet with concentrated hydrochloric acid (mass concentration: 37%) and water with a volume ratio of 1:2 for 10-20 minutes. After taking it out, transfer it to distilled water for ultrasonic cleaning for 5-10 minutes to obtain acid treatment. Porous titanium plate, spare;

[0038] Step 2. Take citric acid, ethyl Glycol, tin tetrachloride, antimony trichloride, nickel dichloride and boric acid are fully mixed, heated and dissolved at a temperature of 60~70°C until a molten gel is obtained, and set aside;

[0039] Step 3, using the impregnation method to load the molten gel prepared in step 3 on the acid-treated porous titanium plate prepared in step 2 to obtain a gel-loaded porous titanium plate, and then place the obtained gel-loaded porous titanium plate on Carry out calcining treatment in t...

Embodiment 1

[0044] A nickel-boron-antimony co-doped tin dioxide electrocatalytic anode is made by impregnating the anode coating on a porous titanium plate and then calcining. The molar ratio of the components in the anode coating is: citric acid: Ethylene glycol: tin tetrachloride: antimony trichloride: nickel dichloride: boric acid=650:100:100:5:0.5:2.

[0045] Concrete preparation steps are as follows:

[0046] Step 1. Boil the porous titanium sheet with concentrated hydrochloric acid and water with a volume ratio of 1:2 for 10 minutes, take out the porous titanium sheet, and ultrasonically clean it in distilled water for 5 minutes to obtain an acid-treated porous titanium sheet, which is set aside;

[0047] Step 2. Take each component according to the molar ratio. The molar ratio of citric acid: ethylene glycol: tin tetrachloride: antimony trichloride: nickel dichloride: boric acid is 650:100:100:5:0.5:2;

[0048] Step 3. Mix the raw materials weighed in step 2 and heat to dissolve a...

Embodiment 2

[0052] A nickel-boron-antimony co-doped tin dioxide electrocatalytic anode is made by impregnating the anode coating on a porous titanium plate and then calcining. The molar ratio of the components in the anode coating is: citric acid: Ethylene glycol: tin tetrachloride: antimony trichloride: nickel dichloride: boric acid=600:150:120:6.5:1:3.

[0053] Concrete preparation steps are as follows:

[0054] Step 1. Boil the porous titanium sheet with concentrated hydrochloric acid and water with a volume ratio of 1:2 for 15 minutes, take out the porous titanium sheet, and ultrasonically clean it in distilled water for 7 minutes to obtain an acid-treated porous titanium sheet, which is set aside;

[0055] Step 2. Take each component according to the molar ratio, citric acid: ethylene glycol: tin tetrachloride: antimony trichloride: nickel dichloride: boric acid mole is 600:150:120:6.5:1:3;

[0056] Step 3. Mix the raw materials weighed in step 2 and heat to dissolve at 65°C. After ...

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Abstract

The invention relates to a nickel-boron-antimony-co-doped stannic oxide electrical catalytic anode which is prepared by impregnating the surface of a porous titanium plate with an anode coating and calcining the same. The anode coating is prepared from the following components in parts by mole: 600-700 parts of citric acid, 100-200 parts of ethanediol, 100-150 parts of stannic chloride, 5-10 partsof antimony trichloride, 0.5-2 parts of nickel dichloride and 2-4 parts of boric acid. The anode provided by the invention aims to solve the problem that in the prior art, an electrical catalytic anode is high in price and short in service life. The nickel-boron-antimony-co-doped stannic oxide electrical catalytic anode is prepared by means of a method of impregnating a gel coat and calcining ata high temperature, and has the technical advantages of high catalytic activity and stability, low production cost and good phenol degrading effect.

Description

technical field [0001] The invention relates to the technical field of electrochemical water treatment, in particular to a nickel-boron-antimony co-doped tin dioxide electrocatalytic anode and its preparation method and application. Background technique [0002] Phenols are important organic chemical raw materials and intermediates. With the rapid development of industry, it is inevitable that the discharge of various phenolic wastewater will increase accordingly. Due to its biological toxicity, conventional physical methods easily lead to secondary pollution, and chemical catalytic methods are inefficient and difficult to recover catalysts. Electrocatalytic oxidation technology can make it completely mineralized, thus becoming a promising treatment method for industrial application. The electrocatalytic oxidation reaction occurs on the surface of the electrode. Therefore, the key to the electrocatalytic oxidation treatment of phenolic wastewater lies in the performance of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/14B01J23/835C02F1/461C02F101/34
Inventor 魏学锋苗娟万晓阳张军杰张瑞昌牛青山
Owner HENAN UNIV OF SCI & TECH
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