Types of Water Treatment Systems Available
You must know that water from natural sources like rivers, streams and lakes are not great for specific purposes. The major causes of water pollution are dissolved chemicals, microbes and other particulate matter that have originated through manmade sources or naturally. Hence, it is necessary that you have the water treated before you use it for drinking, irrigation and other purposes. The objective of the water treatment procedures is to get rid of the contaminants or at least minimize their presence in the raw water.
When it comes to treating water, there are various types of water purification methods that are used. Such is going to include chemical disinfection, filtration, sedimentation, boiling or settling and several others. You can also find other methods such as purifying water.
There is ultraviolet treatment. In this technique, water that must be purified is actually passed through germicidal UV light that is configured in the low-pressure lamp. When water would pass through the UV purifier, the biological contaminants are then exposed to UV light. Such would damage the genetic components of the microbes to kill them. But, what you must know about this is that this is not effective when it comes to getting rid of the dissolved chemicals and also other particulate matter.
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Know that there is also ozone treatment that utilizes ozone. Such kind of gas is unstable and colorless. This is very effective when it comes to killing biological contaminants such as chemical disinfection like the method of chlorination. Apart from this, such would help to reduce odor issues and concentrations of iron, sulfur, manganese as well as other dissolved chemicals. In such procedure, the ozonation system is being used to produce ozone gas and this is then dissolved in raw water to purify this. The disadvantage of this method would include by-products which are mildly carcinogenic and also the high cost in operating it.
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Another option for water treatment is membrane treatment. The membrane technology is an innovative method and in this one, the semipermeable membrane is actually used to remove the water impurities. There are two types of water treatment methods and they are pressure-driven and electrically-driven. In the first case, the hydraulic pressure is used to drive raw water past the membrane and the other would utilize electric current to allow the movement of water through the membrane. Such procedure is expensive to maintain but this could get rid of organic and biological contaminants.
There is also what you call the Reverse Osmosis treatment. This is one of the really effective methods. This is used for treating home water for the removal of organic contaminants, microbes, toxins and pesticides. With the reverse osmosis method, the raw water is actually forced with the use of pressure through the dense membrane filter which prevents passing of those impurities.