Water is the most important compound for the existence of human beings, animals and plants.
Unit ‒ 1
Water Technology
INTRODUCTION
Water is the most
important compound for the existence of human beings, animals and plants. About
80% of the earth's surface is occupied by water. The main sources of water are
(i) rain
(ii) rivers and lakes
(surface water)
(iii) wells and springs
(underground water)
(iv) sea water.
Among the above sources
of water, rain water is the purest form of water but it is very difficult to
collect whereas sea water is the most impure form. So, surface and underground
water are normally used for domestic and industrial purposes. Such water must
be free from undesirable impurities. The process of removing all types of
impurities from water and making it fit for domestic or industrial purposes is
called water treatment. Before treating the water, we should know the nature as
well as the amount of impurities.
Applied Chemistry I: UNIT 1: Water Technology : Tag: Applied Chemistry : - Water Technology: Introduction
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