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Removal of Arsenic from Groundwater
Preparation of Softening Water

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Softening & Demineralization-Power Industrial

Water Softening-softening Resin

Water hardness is usually calculated as Ca2+ and Mg2+.
Softening resin is a special resin specially used to soften water. It reduces the concentration of calcium and magnesium by ion exchange technology, so that the hardness of water is controlled less than 50 mg/L (CaCO3).
Common softening resin is a strong acid cation exchange resin which is typically regenerated with sodium chloride. Industrial water is often softened with a gel strong acid cation exchange resin, and macroporous strong acid cation exchange resin can be used at a high temperature. For a hard water having a high carbonate content, a weak acid cation exchange resin is usually used for softening.

Water Demineralization

Demineralization is deionization, removing cations and anions in water, also called desalting; the result is reduced solution soluble solids, so it is also called deashing. The water after demineralization is similar to distilled water, but the cost is much lower.

A double bed system of cation exchange resin and anion exchange resin commonly used in the demineralization process, or a mixed bed system using mixed bed resin. The double bed system is easy to regenerate, and the mixed bed system is complicated to regenerate, but with a high processing precision, so it is often used for polishing the water after other systems.

The removed cations include Ca2+, Fe3+, Mg2+, Mn2+, K+, Na+
Anions are: CO32-, HCO3-, Cl-, NO3-, SO42-, SiO2

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16 2021-01
Remote Solution Operation and Monitoring Center - New Model, New Opportunities

Sunresin has established its Remote Solution Operation and Monitoring Center (RESOM) recently, in an effort not only to offset the impact of the travel restrictions due to the pandemic, but also to develop this innovative initiative to a higher and permanent level in a sustainable manner.

15 2020-12
Weak Acid Cation Resin for Potable Water Softening

The Seplite LSF983 is very suitable for hardness (calcium and magnesium) removal from potable water(household water filters, pitchers etc), beverage and food applications. Besides hardness, it can also help to reduce certain level of heavy metals as Copper, Lead etc.

11 2020-12
Sunresin Invites You to Visit the 20th World Shanghai CPhI Exhibition

The 20th World Pharmaceutical Raw Materials China Exhibition, CPhI China 2020, will take place from December 16th to 18th, 2020, at Shanghai New International Expo Center (SNIEC). Sunresin Invites You to Visit the 20th World Shanghai CPhI Exhibition.

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