Question
Discuss the applications of membrane separations in
)(i) water treatment
(ii) production of table salt
Answer :
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Membrane separations are widely used in water treatment processes, particularly for their ability to remove contaminants such as salts, organic molecules, and microorganisms. In reverse osmosis (RO), a common membrane technology, water is passed through a semi-permeable membrane, which allows only water molecules to pass through while retaining harmful substances like dissolved salts, bacteria, and heavy metals. This is crucial in both desalination plants, which provide fresh water from seawater, and in municipal water treatment systems, where it helps to produce
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