Reducing Salinity, Reverse Osmosis, Softening and Purifying Water System

Product description

Reducing Salinity

Purpose:

To reduce the salt content in water and make it more suitable for specific usage needs, such as improving the taste of drinking water and meeting the water quality requirements in industrial production. Excessive salt content may have adverse effects on human health and may also affect the normal operation of industrial equipment, such as causing pipeline scaling and equipment corrosion.

Common methods:

In addition to the reverse osmosis method mentioned later, ion exchange method, electrodialysis method, etc. can also be used. Ion exchange method is the use of ion exchange resin to exchange ions in water, removing salt from the water; The electrodialysis method involves the migration of ions in water through an ion exchange membrane under the action of an electric field, thereby achieving the separation of salts.

Reverse Osmosis

Principle:

Based on the principle of semi permeable membrane, under pressure higher than the osmotic pressure of the solution, only water can pass through the semi permeable membrane, while impurities such as salt, organic matter, and bacteria in the water are intercepted, thus achieving the separation of water and impurities, and achieving the goal of removing salt and purifying water.

Application:

Widely used in fields such as seawater desalination, industrial pure water preparation, and drinking water purification. For example, in seawater desalination, reverse osmosis technology can remove a large amount of salt from seawater and obtain drinkable fresh water; In the electronics industry, ultrapure water is needed to clean electronic components, and reverse osmosis technology is one of the key steps in preparing ultrapure water.

Softening

Purpose:

To remove calcium and magnesium ions from water and reduce its hardness. Hard water is prone to scale formation during use, which affects the heat transfer efficiency and service life of equipment, as well as the washing effect, such as making clothes harder and increasing the consumption of washing products.

Common method:

The most commonly used method is the ion exchange resin method, which uses sodium ion exchange resin to exchange calcium and magnesium ions in water, adsorb calcium and magnesium ions on the resin, and release sodium ions, thereby softening the water. In addition, lime softening method, electrodialysis softening method, etc. can also be used.

Purifying

Purpose:

To further remove various impurities in water, including suspended solids, colloids, microorganisms, organic matter, heavy metal ions, etc., to achieve higher purity and quality standards in water.
Common methods include filtration (such as sand filtration, carbon filtration, etc.), disinfection (such as chlorination, ultraviolet disinfection, etc.), ultrafiltration, etc. Filtering can remove suspended solids and colloids from water; Disinfection can kill microorganisms in water and ensure the hygiene and safety of water; Ultrafiltration can remove large organic molecules and bacteria from water.

The advantages and applications of this system

Advantages:

This comprehensive system, through the synergistic effect of multiple technologies, can comprehensively treat various impurities and harmful substances in water, significantly improve water quality, and meet the strict requirements of different users for high-quality water. At the same time, the coordination of various processing steps can also extend the service life of the equipment and reduce operating costs.

Application areas:

In industrial production, such as chemical, pharmaceutical, electronic, food and beverage industries, used for water use in the production process; In the civilian field, it can serve as a drinking water treatment system for households or communities, providing high-quality drinking water; In some special environments, such as islands, ships, etc., it can be used for seawater desalination and treatment of domestic water.