or dealinate water? •. What are the advantages and disadvantages of ion exchange desalination? I. Hard Water.
Description Ion Exchange Resin (granule) occurs as a black, brown, light red-brown, or white, spherical, massive, or granular substance. It is almost odorless. Identification Perform the following tests (I) and (II) to identify whether the resin is cation exchange resin or anion exchange resin. (?) Cation exchange resin Make a
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. This ability is also seen in various natural systems such as soils and living cells. The synthetic resins are used primarily for purifying water, but also for various other
Ion exchange is the reversible interchange of ions between a solid. (ion exchange material) and a liquid in which there is no permanent change in the structure of the solid. Ion exchange is used in water treatment and also provides a method of separation in many non-water processes. It has special utility in chemical
Ion Exchange as a Sorption Process. • Since ion exchange occurs between a solution and the internal surface of a solid it can be viewed as a special type of sorption process. • There are many similarities between adsorption and ion exchange. The two processes are often analyzed using similar models. • Unlike adsorption
WD-DWGB-2-12. 2009. Ion Exchange Treatment of Drinking Water. INTRODUCTION. Ion exchange (IE) is a water treatment method where one or more undesirable contaminants are removed from water by exchange with another non-objectionable, or less objectionable substance. Both the contaminant and the exchanged
Similar in many ways to adsorption treatment, but chemical mechanism is ion exchange rather than adsorption. • An ion exchanger is an insoluble substance containing loosely held ions which can be exchanged with other ions in solution which come in contact with it. • These exchanges take place without any physical
Basics of Deionized Water by. Ion Exchange. What is deionization? Deionization (or demineralization) simply means the removal of ions. Ions are electrically charged atoms or molecules found in water that has either a net negative or positive charge. For many applications that use water as a rinse or ingredient, these ions

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February 2018