How to control water pollution?
Water pollution can be
controlled in the multiple ways. It is best controlled by the dilution of water. The pollutants must be treated
chemically and must be converted into the non toxic substances. The low level
of radioactive wastes in the water
is removed by the oxidation of ponds. There are certain chemicals which act on
the organic insecticide and
are used in the pesticide.
There are different techniques which are very helpful in the process of thermal pollution and involve the
cooling, evaporation, water cooling; cooling can be wet or dry. Their main aim
is to keep the water cool in rivers and streams. The shallow ponds must be used
to store the domestic and industrial wastes. One must avoid the large ponds.
The waste has a presence of sunlight and organic
nutrients which may lead to the larger growth of bacteria which
act on the waste matter. The reclaimed polluted water can be used in making
fertilizers as it is rich in phosphorous, potassium and nitrogen. It can also
be used for the irrigation and factories purposes. The proper sewage treatment plans play a crucial role in the
reclaimed polluted water. There must be a law which ensures that the industries
must treat the waste before the water is discharged into the rivers and seas.
The polluted water can be treated by the use of a plant known as water hyacinth which is also
referred as kaloli. It deals with the biological and chemical waste. The heavy
metals are also removed by it.
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