Benefits of Waste Water Treatment
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| Benefits Of Waste Water Treatment |
Historically
society has shown a great lack of interest in the protection of the environment
and water resources in particular. For years we were able to dump our wastes
with little or no treatment back into the nearest water course. As long as
there was enough dilution water, nature took care of our disposal problems. We
have come to realise that treating our wastes properly not only protects the
public’s health, it can also increase property value, protect wildlife and allow
many recreational activities to be enjoyed on the water or in the surrounding
environment
Waste water is the
water used by residences and commercial establishments that has become too
polluted for further use. The combination between these different types of
waste water causes the resulting waste water mix to contain both suspended and
dissolved organic and inorganic substances such as carbohydrates, fats, soaps,
synthetic detergents as well as various natural and synthetic organic
chemicals.
Benefits
Of Waste Water Treatment
The water treatment
process does not only produce clean reusable water, but also has the potential
to produce various other benefits.
It
helps the environment:
It is predicted
that a litre of untreated waste water pollutes 8 litres of fresh water. Because
waste water management reduces waste and removes harmful bacteria and chemicals
in a water supply, it has the potential to protect wildlife by supplying clean
water to local rivers and streams. The water from the treatment plant can be
re purposed to treat areas experienced dry conditions. The process is
eco-friendly as it reduce water that would have otherwise been written off as
unsanitary and disposed of accordingly.
Through the treatment of waste water, the amount of waste
that is usually released into the environment is reduced thus improving
environment’s health. By doing so, the govt in turn reduces the health risk
associated with environmental pollution, and reduces the water loss induced
through water pollution
Economics:
Jobs are created by
waste water treatment research and processing. Treatment facilities for
example, require regular maintenance and human operation. In addition returning
clean water to rivers and streams helps maintain natural areas encouraging
tourism
New Research and improvements:
Waste water
treatment processes are changing as researchers develop new techniques. Such
research leads to improvements in purification, the speed of water treatment
and uses for the waste products removed. Development of new processes also
saves more energy, time and resources, which are then available for other
needs.
Energy
Production
The sludge
collected during the treatment process is itself treated because it contains a
large amount of biodegradable material. It is treated with anaerobic bacteria
in special fully enclosed digesters heated to 35 degrees Celsius, an area
where these anaerobic microorganisms thrive without any oxygen. The gas
produced during this anaerobic process contains a large amount of methane,
which is harvested and then burned to generate electricity.
Fertilizer
Production:
Any biodegradable
material remaining is dried in drying lagoons and is then turned into natural
fertilizer. The resulting natural fertilizer is then used in the agricultural
sector, increasing crop yields. This decreases the use of chemical fertilizers
that pollute the surrounding marine and surface ecosystems.
Conclusion
In summary, the
combination of these benefits along with water production makes wastewater
treatment a sustainable short and long term solution to the world’s water
crisis, which will only increase as the world population increases. It is
estimated that the world’s population is set to increase to 9 billion people,
and this would cause an increase in the amount of water that can be treated.
This will cause the production of large amounts of fresh usable water, thus
helping battle water scarcity.
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