Ion Exchange Process In Water Treatment Pdf

Choosing and using ion exchange resins for water treatment systems is often a perplexing pro cedure. Ion exchange is a water treatment process commonly used for water softening or demineralization but it also is used to remove other substances from the water in processes such as dealkalization deionization and disinfection. In the ion exchange process sodium ions are used to coat an exchange medium in.

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Ion exchange introduction 4 fd sep 2008 to soften water you take a cation exchange resin on which the mobile ion inside the beads is sodium na and you pass the hard water through a column filled with the sodium form.

Ion exchange process in water treatment pdf.

Ion exchange resins are polymers that are capable of exchanging particular ions within the polymer with ions in a solution that is passed through them. Hard water can be softened using an ion exchange softening process skipton 2008. Ion exchange is used in water treatment and also provides a method of separation in many non water processes. The ion exchange process can be used in a variety of ways when it comes to water purification and softening.

Ion exchange processes can also remove various charged atoms or molecules ions such as nitrates fluoride sulphates perchlorate iron. Although different water treatment products utilize this process in different ways the action itself remains the. Hard water can be softened using an ion exchange softening process. An ion is an atom or.

This guide discusses the ion exchange water softening process and related equipment used for household water treatment. Plant engineers not familiar with such resins encounter a strange array of nomenclature and marketing practices that imply. Water softeners usually use sodium na as the exchange ion. It has special utility in chemical synthesis medical research food processing mining agriculture and a variety of.

In the softening of water by the ion exchange process the calcium and magnesium ions are removed from the solution and the exchanger solid releases sodium ions to replace the removed calcium and magnesium 2rna ca 2. Ion exchange is a water treatment commonly used for water softening or deminerialization and to remove other substances from water. Sodium ions are supplied from dissolved sodium chloride salt also called brine. This ability is also seen in various natural.