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Other links: Hard Water Water Softener Water Purification Reverse Osmosis Industrial Water Treatment The water supplied to many homes has characteristics that may not be desirable to the water users. Organic material (some bad, some not), offensive odors, dangerous chemicals, unwanted chemicals, and hardness to mention a few. The treatment of residential water has become much more common in recent years due to more awarness of the potential harm that can be caused by some chemicals and minerals. For instance high levels of copper, lead, zinc etc can be very harmful. Iron content can cause unsightly stains. Most municipal water suppiers are required to treat the water to make it 'safe' for human consuption but that water may not be 'desirable' to the users. Water from private wells often must be treated to make it suitable for residential use. A good summary of various water treatment processes can be found at http://www.fluxpro.com/electrostatic2/pdfs/Water%20Treatment%20White%20Paper.pdf. Residential water treatment includes but is not limited to the following: '' Water Purification '' Typically refers to processes that prepare water for human consumption. This includes removal of or destruction of harmful organic material and harmful chemicals or minerals. a common purification treatment is the addition of chlorine to the water. '' Water Softener '' Usually refers to the process of removing calcium from Hard Water and replacing it with sodium. This results in water that produces less scaling, and that is more suitable for bathing, washing and other common household uses. ''Catalytic processes'' Catalysts can be used to facilitate the formation of calcium particulates thus reducing the amount of calcium in solution. See http://www.fluxpro.com/electrostatic2/pdfs/Water%20Treatment%20White%20Paper.pdf. ''Magnetic water treatment:''(MWT) Passing water through a magnetic field can cause certain changes in the state of dissolved minerals. One such change is to remove some of the Calcium from solution - or the formation of Calcium (and other minerals) particulates. As the particulates (crystals) form the amount of dissolved Calcium is reduced thus making the water 'seem' softer. Because the Calcium is in particulate form it may not build up the 'scale' normally associated with s (using salt) because of resulting pollution. This leaves open the need for other methods of treating hard water to reduce the unwanted effects. ''Mechanical water treatment:'' The characteristics of water can be changed by processing water in a physical or mechanical way. For instance, water can be forced through a membrane (or filter) to remove or filter out numerous or specific chemicals, minerals and organic material. Simple filters will remove dirt and large particles. . |
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