Question
Discuss the applications of membrane separations in the following areas:
(i) Desalination and water treatment.
(ii) Production of table salt.
Answer :
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(i). In addition to waste water treatment and desalination, new applications of membranes for water purification are being pursued. One example is the purification of produced water, which is water generated during gas and oil production. This water is contam inated with oils and salts, rendering it unsuitable for beneficial use in
many cases. Membranes able to remove hydrocarbons and salt could turn produced water into
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