The Importance of Water Treatment Chemicals in The Wastewater Treatment Industry
With the development of society, people’s demand for water resources is increasing, but demand and emissions are positively correlated. The increase in demand has led to an increase in the amount of sewage.
If the sewage is discharged without treatment, it will cause various ecological problems. In order to protect the environment, sewage must be treated according to certain standards before it can be discharged.
Technological advances have spawned new technologies for wastewater treatment.
An important part of it is essential in many wastewater treatment processes. That is to add a certain amount of water treatment chemical. Especially in industrial wastewater such as printing, electroplating, and papermaking, it contains a large number of heavy metal ions.
If these metal ions are not treated directly, they will have an irreversible effect on the environment. Eventually, it reaches the human body through the biological chain system. These heavy metal ions have a profound effect on the human body and may cause various diseases.
Therefore, the components in the water treatment chemical are used to neutralize these ions to form a precipitated stable substance, and after a certain process, the metal ion content can be lowered to a level that does not pose a threat to life.
Due to the rapid increase in water consumption in various countries of the world, as well as the development and development of various environmental laws (water purification laws), and the increasingly stringent demand, the development, and development of various high-efficiency water treatment chemicals are fast.
The water treatment chemical includes a flocculating agent, a corrosion inhibitor, a scale inhibitor, a bactericide, a dispersing agent, a cleaning pre-filming agent, an antifoaming agent, a decolorizing agent, a chelating agent, an oxygen scavenger, and an ion exchange resin.
At present, the large-scale use of corrosion inhibitors, bactericides can still meet the basic requirements of circulating water. It is closely related to water conservation and reuse and is irreplaceable.
Chemically treated water treatment is still difficult to change based on the protection and reuse of cooling water based on its mainstream location. Innovations in the diversity of fungicides and inhibitors will be the main direction of water treatment.
Many types and varieties of corrosion inhibitors can be classified into inorganic and organic corrosion inhibitors depending on the type of compound. Corrosion inhibitors can also form a protective film on the metal surface.
Bactericidal algaecides are generally classified into two types: oxidizing fungicides and non-oxidizing fungicides. Non-oxidizing bactericides have a good effect and are widely used as chemicals that can destroy the cell wall and cytoplasm of bacteria.
Some water treatment chemicals often have many functions such as sterilization, peeling and corrosion inhibition, and have a promising future. They have been applied to oilfield water and industrial cooling water.
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