The world in which we inhabit consists of nearly 75% water. Of that 75%, only about 3% is water that we, as humans, are able to drink. How can such a small proportion of water be sufficient for nearly eight billion individuals? The answer is water purification and filtration.

2. The world in which we inhabit
consists of nearly 75% water.
Of that 75%, only about 3% is
water that we, as humans, are
able to drink. How can such a
small proportion of water be
sufficient for nearly eight
billion individuals? The answer
is water purification and
filtration.
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3. Ever since the rise of towns and cities, the process of
providing resources for a large amount of people
required intense labor, especially for water resources.
In present day, experts have discovered ways in which
humans can take water that is not drinkable and
convert it into drinkable water. This process is known
as water purification.
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4. Water purification is the process in which chemicals,
contaminants, solids and gases that are not desirable
are removed from water to produce uncontaminated
water. The purpose of this process is to create water
that can be used for a specific purpose, such as
drinking, bathing, cooking, etc.
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5. The methods can be broken down into three
categories. These are chemical purification,
filtration and oxidative methods. Let's begin with
the first.
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6. Chemical purification refers to using chemicals to
purify water. For example, chlorine is used because it
is cheap and therefore a relatively common way.
However, it has been shown to be toxic. Hydrogen
peroxide is another chemical that is used, which is
quite effective in destroying unwanted bacteria, but it
is also a chemical that is highly toxic.
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7. The second method of
filtration requires water to
pass through a filtration
system and the system will
remove unwanted particles.
The three most common
methods are reverse
osmosis, slow and fast sand
filtration systems, and the
traditional paper and cloth
method.
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8. The third and last method is oxidation and this
method involves the use of oxygen to decontaminate
the water. This method includes aeration and ozone
methods.
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9. In conclusion, water is a highly dependent resource
and it is purified on a daily basis in many towns and
cities around the world. There are mainly three
categorical methods that one can use to purify and
filtrate the water.
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