Water Softening Systems in Chennai

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Water softening, the process of removing the  calcium and magnesium salts that cause hardness in water. Unlike hard water, softened water will not form insoluble scale or precipitates in pipes and tanks or interfere with cleaners such as soap.

Definition and Source of Hardness

Ground water dissolves limestone from deposits formed eons ago through the following steps: a) carbon dioxide reacts with water to produce carbonic acid which in the environment exists primarily as the bicarbonate microscopic marine organisms consume this as carbonate and form calcite skeletons which were deposited over millions of years to form limestone deposits which are found extensively in many parts of the  ground water is often slightly to moderately acidic due to anaerobic decomposition and action of bacteria in the soil. This acidic characteristic causes limestone to be dissolved, in the form of calcium and bicarbonate ions, thus becoming hard.

Types of Water Hardness

• Temporary Hardness
• Permanent Hardness

Conventional Water Softening

Conventional water softening is most often based a process known as ion exchange, utilizing a synthetic polymeric (plastic) material in the form of very small beads called ion exchange resin. The resin is porous so that each bead has tremendous surface area and the surface area is chemically constructed to contain billions of active or “exchange sites.” 

Softening Equipment

A water softener typically consists of two tanks, a larger one into which rock or pellet salt is added and a smaller tank containing the ion exchange resin through which the hard water passes. A control valve fixed atop the resin tank of the industrial water softener causes the system to recharge or regenerate based on passage of a pre-set time or it meters the water treatment and initiates regeneration based on a pre-set number of gallons treated.