Introduction to deionizer
Deionizer is a device used to remove ions from water, typically consisting of two types of resins: cation exchange resin and anion exchange resin. Cation exchange resin releases hydrogen ions (H+), while anion exchange resin releases hydroxyl ions (OH -). When saltwater passes through these resins, the resin undergoes ion exchange with dissolved salts in the water. Thereby removing ions from the water. This process is also known as ion exchange desalination.
Deionizers are widely used in multiple industries, including pharmaceuticals, life sciences, microelectronics manufacturing, power, food and beverage, and industrial processes. In the automotive industry, deionized water is used for battery maintenance and cooling systems because its non ionic properties can prevent adverse reactions with other substances.
Parameter of ultra pure water deionizer
| Model | DI-15 | DI-30 | DI-45 | DI-60 | |||
| Output(25℃)* | 15 liters/hour | 30 liters/hour | 45 liters/hour | 60 liters/hour | |||
| Pure water outlet | One deionized water and one reverse osmosis water | ||||||
| Deionized water quality | |||||||
| Resistivity | 15-18.2MΩ.cm | ||||||
| Particle(>0.1μm) | N/A | N/A | N/A | N/A | |||
| RO water quality | |||||||
| Ion rejection rate | 96%-99% (new RO membrane) | ||||||
| Organic rejection rate | >99%, when MW>200 Dalton | ||||||
| Particles rejection rate | >99% | ||||||
| Feed water requirements | Tap water, temperature:5-45℃,pressure:1.0-4.0Kgf/cm2 | ||||||
| Electrical requirements | AC110-240V, 50/60Hz | ||||||
| Power | 55W | 60W | 70W | 78W | |||
Advantages of ultra pure water deionizer
Deionizers (ion exchangers) have multiple significant advantages, which have led to their widespread use in water treatment and industrial applications. The following are the main advantages of a deionizer:
- Efficient removal of pollutants: Ion exchange materials have high selectivity and can effectively remove harmful ions in water. Such as heavy metals (lead, mercury, cadmium, etc.), ammonium ions, calcium ions, etc
- Efficiency and selectivity: Ion exchange technology can efficiently remove dissolved inorganic ions, achieving a resistivity of 18.2 M Ω· cm (at 25 ℃) and a total ion pollution of less than 1 ppb. In addition, ion exchange resins can achieve selective adsorption and release of target substances by adjusting conditions such as pH value, ion concentration, and temperature.
- Low energy consumption and low cost: Ion exchange technology achieves deep desalination. Thereby reducing energy consumption and operating costs.
- Easy operation and maintenance: The ion exchange resin process has shown high efficiency in iron removal, stable operation, easy maintenance. And minimal environmental impact in wastewater treatment. In addition, the equipment has a small footprint and low maintenance requirements.
- Strong adaptability: Ion exchange resin has good removal effects on various heavy metal ions and is suitable for different types of water treatment scenarios.
- Long lifespan and reusability: Ion exchange resins have a long service life and can be repeatedly regenerated. Thereby reducing long-term operating costs.
- Improving water quality: Through ion exchange technology, impurities and pollutants in water can be effectively removed. It improve water quality and achieving higher purity.
Deionizers have significant advantages in water treatment and industrial applications. Such as efficient removal of pollutants, low energy consumption, environmental friendliness, easy operation, strong adaptability, long lifespan, and reusability, making them an important water treatment technology.