Jul 31

Understanding Repairs

Benefits of Water Treatment Water treatment is the removal of impurities such as suspended matter, bad colours,tastes and minerals such as iron and manganese from water in order to make it safe to humans, living organisms in the farm and also to help in various uses like industrial water supply and water recreation. Treatment of drinking water involves a series processes that are aimed at the removal of particles that may lead to contamination and cause short and long term risks. The first process in water treatment is called screening, fixed screens are used to remove large particles from the raw mater. Course screens are often fixed bar screens that have a screen surface which consists of various vertical metal bars of a given thickness that are spaced at specific intervals depending on how it is supposed to be applied. Fine screens are usually rotary drum screens whose surface is woven stainless steel with small screen aperture sizes, collected debris are washed at this place. Settling or sedimentation is the next process where finer particles are removed because they may eventually block the filters. Water then goes to the coagulation tank where the surface of the particles are modified by adding chemicals and ions of opposite charges to prevent some repulsive forces that are present. Water then goes to a filtration tank which consists of filters that uses beds of sand which are supported on layers of gravel, a slow sand filter consists of a sand bed submerged beneath a water layer. Water treatment is therefore important to human beings and even farm animals. Treated water is important to someone’s health because it prevents occurrence of many health complications that may occur because of drinking untreated water. Water that is treated can be used for some appliances that requires softened water for example in boiler feed water hardness is supposed to be removed to prevent formation of scale. Water that is treated offers protection from harmful organisms such as microorganisms that may lead to illnesses like severe vomiting and diarrhea because it ensures that all the organisms are killed making water safe for consumption. Since there is presence of metals in water, treatment is very important to remove them because some may cause health hazards, for example, lead and copper are dangerous to health hence chemicals, and filtration systems are used to remove them in order to prevent risks. Dissolved gases and and unpleasant tastes are usually removed when water undergoes the process of treatment this makes it better and efficient to be used by people for drinking purposes. When water is treated, it is usually soft hence economical because less soap will be used compared to when the water is still hard and untreated.

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