Preparation method of high-performance electrode material for high concentration rate operation of circulating water

An electrode material, high concentration technology, applied in chemical instruments and methods, water pollutants, water/sewage treatment, etc., can solve the problems of low stability, low chloride ion conversion rate, poor impact resistance, etc., to avoid corrosion , The effect of reducing the cost of medicine and excellent performance

Active Publication Date: 2019-09-06
HUADIAN ELECTRIC POWER SCI INST CO LTD
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  • Description
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  • Application Information

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Problems solved by technology

There have been some studies and applications of electrochemical technology in circulating water treatment, but there are still problems such as low system operation stability, poor impact resistance, and low chloride ion conversion rate, which limit its application in the operation of high concentration ratio of circulating water

Method used

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Embodiment Construction

[0030] The present invention will be described in further detail below through examples, and the following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0031] Example.

[0032] The preparation method of the high-performance electrode material used for circulating water high concentration rate operation in this embodiment comprises the following steps:

[0033] S1. Weigh 9.8g of graphite powder, disperse and suspend in 500mL deionized water under the action of mechanical stirring at 200r / min, heat in a water bath, and keep stirring at 80°C for 30 minutes;

[0034] S2. Weigh 0.1g of multi-walled carbon nanotubes, add the prepared graphite powder and the mixture of deionized water, and keep stirring at 80° C. for 30 minutes;

[0035] S3. Prepare SnCl separately 2 Solution (4.4mmol / L), ReCl 2 Solution (4mmol / L), PtCl 4 Solution (5.9mmol / L), 1mol / L NaOH solution, 50mL each;

[0036] S4. Under stirring ...

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Abstract

The invention relates to a preparation method of a high-performance electrode material for high concentration rate operation of circulating water. The method includes the following steps: dispersing and suspending graphite powder in deionized water; adding a multi-walled carbon nanotube; preparing a required solution; dropping a SnCl2 solution and a ReCl2 solution into the mixture; dropping a PtCl4 solution; adding a NaOH solution into the mixture until pH reaches 9; adding ammonia water into the mixture until the pH reaches 10, and cooling the mixture to room temperature for clarification; sucking a supernatant solution out, and cleaning a reaction product until the pH of an eluate is reduced to 7.5; adding deionized water into the reaction product and stirring the mixture; adding a prepared NaBH4 solution into the mixture and cooling the mixture to room temperature for clarification; pumping-filtering the mixture; placing a filter cake into a baking oven for drying; and obtaining thehigh-performance electrode material, and pressing the high-performance electrode material for forming. The high-performance electrode material can be used for treatment of circulating water and can ensure the low-cost high-concentration rate operation of a circulating water system.

Description

technical field [0001] The invention relates to the development and application of a high-performance electrode material used for high-concentration rate operation of circulating water, in particular to the preparation and application of a high-performance inert electrode material. Background technique [0002] The water consumption of the circulating water system usually accounts for more than 70% of the water consumption of thermal power enterprises and iron and steel enterprises, and the amount of sewage generated is relatively large. Under the situation of increasingly stringent environmental protection requirements, the treatment of circulating water and sewage is facing huge environmental pressure. Therefore, the development and application of the high concentration ratio operation technology of the circulating water system is of great significance to the water saving and emission reduction of the circulating water system, such as the Chinese patent application number ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/461C02F101/12
CPCC02F1/46109C02F2001/46133C02F2101/12
Inventor 晋银佳朱跃于卫卫尤良洲唐国瑞喻江王仁雷
Owner HUADIAN ELECTRIC POWER SCI INST CO LTD
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