How does titanium anode act on high concentration industrial wastewater treatment?

The application of titanium anode in the treatment of high concentration industrial wastewater relates to the application of titanium anode.

Its processing technology is:

1. Filter the waste water, and the filtered waste water is divided into filter slag and filtrate;

2. The filter slag is treated by adsorption process, and different kinds of usable substances are sorted out for recovery;

3. If the filtrate is pollution-free filtrate or conventional filtrate, it will be directly imported into the sedimentation tank; if the filtrate is organic filtrate or heavy metal filtrate, it will be imported into the titanium anode electrolytic tank;

4. Add alkaline medium and acidic medium to the sedimentation tank and titanium anode electrolyzer respectively to change the pH value of the filtrate;

5. The filtrate after electrocatalytic oxidation in the titanium anode electrolytic cell is introduced into the sedimentation tank for treatment;

6, the precipitated filtrate can be recycled out of water. It saves water, electricity consumption is small, reduce the cost of enterprises.

1. The application of titanium anode in the treatment of high concentration industrial wastewater is characterized by its treatment process:

(1) Filter the waste water, and the filtered waste water is divided into filter slag and filtrate;

(2) The filter slag is treated by adsorption process, and different kinds of usable substances are sorted out for recovery;

(3) If the filtrate is pollution-free filtrate or conventional filtrate, it will be directly imported into the sedimentation tank; if the filtrate is organic filtrate or heavy metal filtrate, it will be imported into the titanium anode electrolytic tank;

(4) Adding alkaline medium and acidic medium to the sedimentation tank and titanium anode electrolyzer respectively to change the PH value of the filtrate;

(5) filtrate after electrocatalytic oxidation of titanium anode electrolytic cell into the sedimentation tank for treatment; (6) The filtrate after precipitation can be recycled out of water.

Application of titanium anode in the treatment of high concentration industrial wastewater

Technical field:

The invention relates to the application of titanium anode, in particular to the application of titanium anode in the treatment of high concentration industrial wastewater

Background technology:

With the rapid development of industry, the types and quantities of waste water are increasing rapidly, and the pollution to water bodies is becoming more and more extensive and serious, threatening human health and safety. To protect the environment, the treatment of industrial wastewater is more important than that of municipal sewage. Although the treatment of industrial wastewater started as early as the end of the 19th century, and a large number of experimental research and production practices were carried out in the following half century, there are still some technical problems that have not been completely solved because of the complex composition and changeable nature of many industrial wastewater.

At present, the effective methods for wastewater treatment are:

1. Physical methods: The commonly used method is to separate suspended pollutants in wastewater by filtration, precipitation, flotation and other technologies;

2, chemical processing method: commonly used methods are neutralization method, oxidation method, condensation method, lime analysis method, etc.

3. Physical and chemical methods: physical and chemical methods include ion exchange method, adsorption method, extraction method, separation technology, etc.

4, biological treatment method: the use of a variety of microorganisms in nature, the organic matter in the wastewater degradation, to achieve the purpose of wastewater purification; Land treatment system method and electrochemical method.

Electrochemical method is one of the best. Its advantages are that it covers a small area, is not affected by the season, and the processing cycle is short. It is a new technology that has developed rapidly in recent decades. The most important factor affecting the efficiency of electrochemical treatment is electrode material, and the selection of electrode material is at the core of electrochemical treatment technology. Different electrode materials have significant influence on the treatment of various industrial wastewater, especially on the treatment effect and operating cost (i.e. power consumption).

Application of coated titanium anode:

Coated titanium anode is mainly used in electrochemistry and electrometallurgy. Applications of coated titanium anodes are: Chlor-alkali industry, chlorate production, hypochlorite production, perchlorate production, persulfate electrolysis, electrolytic organic synthesis, electrolytic extraction of non-ferrous metals, electrolytic silver catalyst production, copper foil production by electrolysis, mercury recovery by electrolytic oxidation, hydroelectrolysis, preparation of chlorine dioxide, hospital sewage treatment, treatment of cyanide-containing wastewater from electroplating plants, disinfection of domestic water and food utensils, power plant Cooling circulating water treatment, wool mill dyeing and finishing wastewater treatment, industrial water treatment, electrolytic acid and alkali ionized water, copper plate galvanized, rhodium plating, palladium plating, gold plating, lead plating, electrodialysis desalination of seawater, electrodialysis method for tetramethylammonium hydroxide, molten salt electrolysis, battery production, cathodic protection, production of anode foil, aluminum foil, etc. Widely used in chemical industry, metallurgy, water treatment, environmental protection, electroplating, electrolytic organic synthesis and other fields.

In recent years, there has been a new trend of coated titanium anode in surface treatment industry. For example, some nanomaterials are added to the coating to improve the electrocatalytic activity of the anode. For example, in some specific plating solution, by regulating the oxygen evolution potential of the coating, the generation of some impurity ions can be inhibited to ensure the stability of the plating solution. With the further research of coated titanium anode, its application prospect will be more and more broad.