On or Off Grid Water Treatment Process
The process of drinking water treatment depends upon the circumstances below is :
The water begins where it is taken from the source as raw water.
The water is then placed in storage; reservoirs, basins or holding tanks for approximately 24 hours in order to allow the heavy sediments to settle out of the water.
Disinfection is then performed through the use of sodium hypochlorite, chlorinamide, or other chemicals. These are used to kill disease causing microorganisms.
Coagulation - chemicals are added to the water in order to cause smaller particles in the water to join together, the pH is adjusted to aid coagulation. As a result the particles are made have your causing them to settle to the bottom of the storage vessel.
Flocculation - the water is then circulated lightly to aid the coagulation process, better blending the chemicals with the water causing the smaller particles to bond together as floc settling to the bottom.
Sedimentation - the bonded particles as a result of coagulation and flocculation settle by gravity and are removed from the bottom of the mixing tanks. More chemical disinfectant is added, its effectiveness is diminished by turbidity (particulate).
Filtration - the water is then pastor gravity filters of sand and crushed coal.
Final public water treatment - fluoride is added under the guise of preventing tooth decay, zinc orthophosphate to minimize rusting of metal pipes and ammonia is added to reduce the flavor of chlorine and to help sodium hypochlorite remain effective in the water as it travels through the delivery lines and to the users faucet.
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