Physic : the process of washing water river

in fact, how the process of washing the dirty river water into water that is ready to be drunk? This is the answer ...

First, In The Venturi
through a pipe controlled by a big cock, water, raw materials originating from the river to the water treatment area. first venture in the treated water. water standard that comes from the river were given oxygen-chemical substances, namely Chlorine, Lime Milk, and Koagulan. Chlorine remover works as Amonium (bacteria that originate from human feces). Milk while lime is to increase the acidity (pH) water, and Koagulan late to help in the process of settling Disinfektan (seeds of disease) to be more good.

Second, In Aselerator
water that has been given a chemical substance and in alirkan to aselerator, the second process is in progress. when the water entering the second, the water is still cloudy. Flokulasi occurred here, namely the formation of particles flok (bond-bond chemistry in water), which is the result of merging of smaller particles. This process can help the process of sedimentation.

Third, Filtration
after the precipitation, water that is flowed to the top of the earlier process of third place. At this time, also the color of water is not muddy, it has changed to become more clear. in this place, the process filtration water with the help of sand.

Fourth, in Canals
after the Flitration, water flowed to the canal. water here is much more clean. in fact, the actual water in the bottom of the Nth 1, which means the water is ready to be drunk. from the canal, the water will be flowed to the reservoir. Reservoir is a place where water is in soil. reseirvoir entrance, back in the water give Chlorine.

Fifth, In Reservoir
this is the water from the reservoir will be flowed to the house through the small pipe-pipe. water that flowed to the houses can not be directly in consumption. because water has tercemar by various bacteria in the pipe-in pipe. Therefore, before the drink, the water must be cooked first.

source: the magazine "kaWanku" no. 48-2009 (with changes)

sorry if there is an error in writing the names of scientific.

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