阅读说明：本技术 一种低压电解式臭氧发生器模块阴阳极用催化剂及其制备方法 (Catalyst for cathode and anode of low-voltage electrolytic ozone generator module and preparation method thereof ) 是由 卞戈 吴吉超 于 2021-01-15 设计创作，主要内容包括：本发明涉及电极催化剂技术领域,且公开了低压电解式臭氧发生器模块阴阳极用催化剂及其制备方法,所述阳极催化剂配方包括的组分及其重量份如下：阳极基体粉料190-600份、阳极主催化剂粉料18-157份、阳极辅催化剂粉料0.2119.7份、助溶剂2-10份和强度助剂0.6-13份。该低压电解式臭氧发生器模块阴阳极用催化剂及其制备方法,通过在制备过程中设置有阳极基体粉料和阴极基体粉料,便于提高催化活性,同时制备工艺简单环保,降低了结烧温度和能耗,节约了生产成本,通过在阴阳极催化剂的制备中添加有助溶剂、强度助剂和结构助剂,便于提高催化剂的融合速度和质量,同时有助于提高催化剂的稳定性,避免出现催化组分溶出的现象,达到了稳定性高的目的。(The invention relates to the technical field of electrode catalysts and discloses a catalyst for cathode and anode of a low-voltage electrolytic ozone generator module and a preparation method thereof, wherein the anode catalyst comprises the following components in parts by weight: 600 portions of 190-157 portions of anode matrix powder, 18-157 portions of anode main catalyst powder, 0.2119.7 portions of anode auxiliary catalyst powder, 2-10 portions of cosolvent and 0.6-13 portions of strength auxiliary agent. According to the catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module and the preparation method thereof, the anode matrix powder and the cathode matrix powder are arranged in the preparation process, so that the catalytic activity is convenient to improve, the preparation process is simple and environment-friendly, the sintering temperature and energy consumption are reduced, the production cost is saved, the fusing speed and the fusing quality of the catalyst are convenient to improve by adding the cosolvent, the strength auxiliary agent and the structural auxiliary agent in the preparation of the cathode and anode catalyst, the stability of the catalyst is improved, the phenomenon that catalytic components are dissolved out is avoided, and the purpose of high stability is achieved.)

1. The catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module and the preparation method thereof are characterized in that the anode catalyst formula comprises the following components in parts by weight: 600 portions of 190-157 portions of anode matrix powder, 18-157 portions of anode main catalyst powder, 0.21-19.7 portions of anode auxiliary catalyst powder, 2-10 portions of cosolvent and 0.6-13 portions of strength auxiliary agent;

the cathode catalyst formula comprises the following components in parts by weight: 50-150 parts of cathode matrix powder, 2-22 parts of cathode main catalyst powder, 0.02-3.1 parts of cathode auxiliary catalyst powder and 0.07-11 parts of structural auxiliary agent.

2. The catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module as claimed in claim 1, wherein the anode matrix powder is amorphous alumina powder and the cathode matrix powder is diatomite.

3. The catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module as claimed in claim 1, wherein the anode main catalyst powder comprises 7-42 parts of cobalt oxide, 1-17 parts of nickel oxide, 5-49 parts of copper oxide and 5-49 parts of zinc oxide, and the anode auxiliary catalyst powder comprises 0.08-1.7 parts of sodium fluoride, 0.07-8 parts of high tin chloride and 0.06-10 parts of antimony trichloride.

4. The catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module as claimed in claim 1, wherein the cosolvent is borax, the strength auxiliary agent is hydrochloric acid, the powder of the cathode main catalyst is isopropanol, the powder of the cathode auxiliary catalyst is chloroplatinic acid, and the structural auxiliary agent is activated carbon fiber powder.

5. The catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module and the preparation method thereof according to claim 1 are characterized by comprising the following raw materials in parts by weight: the anode catalyst formula comprises the following components in parts by weight: 190 parts of anode matrix powder, 18 parts of anode main catalyst powder, 0.21 part of anode auxiliary catalyst powder, 2 parts of cosolvent and 0.6 part of strength auxiliary agent;

the cathode catalyst formula comprises the following components in parts by weight: 50 parts of cathode matrix powder, 2 parts of cathode main catalyst powder, 0.02 part of cathode auxiliary catalyst powder and 0.07 part of structural auxiliary agent.

6. The catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module and the preparation method thereof according to claim 1 are characterized by comprising the following raw materials in parts by weight: the anode catalyst formula comprises the following components in parts by weight: 600 parts of anode matrix powder, 157 parts of anode main catalyst powder, 19.7 parts of anode auxiliary catalyst powder, 10 parts of cosolvent and 13 parts of strength aid;

the cathode catalyst formula comprises the following components in parts by weight: 150 parts of cathode matrix powder, 22 parts of cathode main catalyst powder, 3.1 parts of cathode auxiliary catalyst powder and 11 parts of structural auxiliary agent.

7. The catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module and the preparation method thereof are characterized by comprising the following steps:

preparation of anode catalyst:

1) forming a catalytic mixture from anode matrix powder, anode main catalyst powder and anode auxiliary catalyst powder, and performing ball milling;

2) putting the mixed powder after ball milling, cosolvent and strength auxiliary agent into a ball forming mill to prepare green balls;

3) drying the green pellets;

4) and sintering the dried green pellets to form the anode catalyst.

Preparation of cathode catalyst:

1) mixing and stirring the cathode catalyst formulation of claim 1 to obtain a mixture;

2) suction filtering the mixture;

3) drying the mixture after suction filtration;

4) rolling the dried mixture to obtain the cathode catalyst.

Technical Field

The invention relates to the technical field of electrode catalysts, in particular to a catalyst for a cathode and an anode of a low-voltage electrolytic ozone generator module and a preparation method thereof.

Background

The material which can change the chemical reaction rate (increase or decrease) of the reactant without changing the chemical balance in the chemical reaction and has no change in the quality and chemical property before and after the chemical reaction is called catalyst (solid catalyst is also called catalyst), according to statistics, more than 90% of the catalysts are used in the industrial process, such as chemical industry, petrifaction, biochemistry, environmental protection and the like, the catalysts are various and can be divided into liquid catalysts and solid catalysts according to the state; the catalyst is classified into homogeneous catalyst and heterogeneous catalyst according to the phase state of the reaction system, the homogeneous catalyst includes acid, alkali, soluble transition metal compound and peroxide catalyst, and the catalyst plays an extremely important role in modern chemical industry, for example, iron catalyst is used in the production of synthetic ammonia, vanadium catalyst is used in the production of sulfuric acid, and different catalysts are used in the polymerization of ethylene and the production of three synthetic materials such as butadiene rubber.

At present, in the process of manufacturing the cathode and the anode of the low-voltage electrolytic ozone generator module, a catalyst is needed to catalyze ozone, but the existing catalyst has poor stability and low adhesion strength, and after the catalyst is used for a period of time, a phenomenon of dissolution of a catalytic component can occur, so that the catalytic performance and the service life of the catalyst are influenced, and the catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module and the preparation method thereof are provided for solving the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a catalyst for cathode and anode of a low-voltage electrolytic ozone generator module and a preparation method thereof, which have the advantages of high stability and the like, and solve the problems that the existing catalyst has poor stability and low adhesion strength, and a catalytic component is dissolved out after the catalyst is used for a period of time, so that the catalytic component is influenced

Problems with catalytic performance and service life.

(II) technical scheme

In order to achieve the purpose of high stability, the invention provides the following technical scheme: the catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module and the preparation method thereof, wherein the anode catalyst comprises the following components in parts by weight: 600 portions of 190-157 portions of anode matrix powder, 18-157 portions of anode main catalyst powder, 0.21-19.7 portions of anode auxiliary catalyst powder, 2-10 portions of cosolvent and 0.6-13 portions of strength auxiliary agent;

the cathode catalyst formula comprises the following components in parts by weight: 50-150 parts of cathode matrix powder, 2-22 parts of cathode main catalyst powder, 0.02-3.1 parts of cathode auxiliary catalyst powder and 0.07-11 parts of structural auxiliary agent.

Preferably, the anode matrix powder is amorphous alumina powder, and the cathode matrix powder is diatomite.

Preferably, the anode main catalyst powder consists of 7-42 parts of cobalt oxide, 1-17 parts of nickel oxide, 5-49 parts of copper oxide and 5-49 parts of zinc oxide, and the anode auxiliary catalyst powder consists of 0.08-1.7 parts of sodium fluoride, 0.07-8 parts of high tin chloride and 0.06-10 parts of antimony trichloride.

Preferably, the cosolvent is borax, the strength auxiliary agent is hydrochloric acid, the cathode main catalyst powder is isopropanol, the cathode auxiliary catalyst powder is chloroplatinic acid, and the structural auxiliary agent is activated carbon fiber powder.

The invention aims to solve another technical problem of providing a catalyst for cathode and anode of a low-voltage electrolytic ozone generator module and a preparation method thereof, wherein the catalyst comprises the following steps:

preparation of anode catalyst:

1) forming a catalytic mixture from anode matrix powder, anode main catalyst powder and anode auxiliary catalyst powder, and performing ball milling;

2) putting the mixed powder after ball milling, cosolvent and strength auxiliary agent into a ball forming mill to prepare green balls;

3) drying the green pellets;

4) and sintering the dried green pellets to form the anode catalyst.

Preparation of cathode catalyst:

1) mixing and stirring the cathode catalyst formulation of claim 1 to obtain a mixture;

2) suction filtering the mixture;

3) drying the mixture after suction filtration;

4) rolling the dried mixture to obtain the cathode catalyst.

(III) advantageous effects

Compared with the prior art, the invention provides a catalyst for cathode and anode of a low-voltage electrolytic ozone generator module and a preparation method thereof, and the catalyst has the following beneficial effects:

according to the catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module and the preparation method thereof, the anode matrix powder and the cathode matrix powder are arranged in the preparation process, so that the catalytic activity is convenient to improve, the preparation process is simple and environment-friendly, the sintering temperature and energy consumption are reduced, the production cost is saved, the fusing speed and the fusing quality of the catalyst are convenient to improve by adding the cosolvent, the strength auxiliary agent and the structural auxiliary agent in the preparation of the cathode and anode catalyst, the stability of the catalyst is improved, the phenomenon that catalytic components are dissolved out is avoided, and the purpose of high stability is achieved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

the catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module and the preparation method thereof comprise the following raw materials in parts by weight: the anode catalyst formula comprises the following components in parts by weight: 190 parts of anode matrix powder, 18 parts of anode main catalyst powder, 0.21 part of anode auxiliary catalyst powder, 2 parts of cosolvent and 0.6 part of strength auxiliary agent;

the cathode catalyst formula comprises the following components in parts by weight: 50 parts of cathode matrix powder, 2 parts of cathode main catalyst powder, 0.02 part of cathode auxiliary catalyst powder and 0.07 part of structural auxiliary agent.

The catalyst for cathode and anode of low-voltage electrolytic ozone generator module includes the following steps:

preparation of anode catalyst:

1) forming a catalytic mixture by 190 parts of anode matrix powder, 18 parts of anode main catalyst powder and 0.21 part of anode auxiliary catalyst powder, and performing ball milling;

2) putting the mixed powder subjected to ball milling, 2 parts of cosolvent and 0.6 part of strength assistant into a ball forming mill to prepare green balls;

3) drying the green pellets;

4) and sintering the dried green pellets to form the anode catalyst.

Preparation of cathode catalyst:

1) mixing and stirring 50 parts of cathode matrix powder, 2 parts of cathode main catalyst powder, 0.02 part of cathode auxiliary catalyst powder and 0.07 part of structural auxiliary agent to obtain a mixture;

2) suction-filtered mixture;

3) drying the mixture after suction filtration;

4) rolling the dried mixture to obtain the cathode catalyst.

Example two:

the catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module and the preparation method thereof comprise the following raw materials in parts by weight: the anode catalyst formula comprises the following components in parts by weight: 600 parts of anode matrix powder, 157 parts of anode main catalyst powder, 19.7 parts of anode auxiliary catalyst powder, 10 parts of cosolvent and 13 parts of strength aid;

the cathode catalyst formula comprises the following components in parts by weight: 150 parts of cathode matrix powder, 22 parts of cathode main catalyst powder, 3.1 parts of cathode auxiliary catalyst powder and 11 parts of structural auxiliary agent.

The catalyst for cathode and anode of low-voltage electrolytic ozone generator module includes the following steps:

preparation of anode catalyst:

1) forming a catalytic mixture by 600 parts of anode matrix powder, 157 parts of anode main catalyst powder and 19.7 parts of anode auxiliary catalyst powder, and performing ball milling;

2) putting the mixed powder subjected to ball milling, 10 parts of cosolvent and 13 parts of strength assistant into a ball forming mill to prepare green balls;

3) drying the green pellets;

4) and sintering the dried green pellets to form the anode catalyst.

Preparation of cathode catalyst:

1) mixing and stirring 150 parts of cathode matrix powder, 22 parts of cathode main catalyst powder, 3.1 parts of cathode auxiliary catalyst powder and 11 parts of structural auxiliary agent to obtain a mixture;

2) suction-filtered mixture;

3) drying the mixture after suction filtration;

4) rolling the dried mixture to obtain the cathode catalyst.

The invention has the beneficial effects that: according to the catalyst for the cathode and the anode of the low-voltage electrolytic ozone generator module and the preparation method thereof, the anode matrix powder and the cathode matrix powder are arranged in the preparation process, so that the catalytic activity is convenient to improve, the preparation process is simple and environment-friendly, the sintering temperature and energy consumption are reduced, the production cost is saved, the fusing speed and the fusing quality of the catalyst are convenient to improve by adding the cosolvent, the strength auxiliary agent and the structural auxiliary agent in the preparation of the cathode and anode catalyst, the stability of the catalyst is improved, the phenomenon that catalytic components are dissolved out is avoided, and the purpose of high stability is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.