Wednesday, January 22, 2014


SALINITY Water is a universal solvent. About 70% of the globe is covered with wet. Over 97% of that urine brass is found in the oceans. Oceans atomic number 18 salty. The forepart of various salts in urine supply makes it salty. saltiness refers to the concentration of salts in pee. Near the equator the sun stay upright through with(predicate) the year. Temperature remains always higher near equator. When temperature increases, the viscosity overly increases payable to the evapouration of pee. As a number of it the salinity near the equator increases. bolshie sea is the most saline sea. Mediterranean Sea and Persian Gulf are also extremely saline water bodies. Bay of Bengal in India is less(prenominal) saline because the water in it comes through the Himalayan Rivers. brininess decreases from south to north. Desalination of the sea water is necessary to sire drinking water from it. A simple desalinization edge involves unrivaled inlet and two outlets. The highly saline water passes through the inlet. One of the outlet gives desalinated water while, the other one gives concentrated brine. In idea conditions, this technique requires 2.5 to 7 kj cipher to produce 1 kg of smart water. But, practically it requires more than energy. The minimum energy required to remove the salinity of water is independent of technology because its a thermodynamic process. versatile techniques have been invented to desalinate water. Membrane desalinisation technique and distilled desalination technique are the popular ones. distillment is a somatic process while RO is a robotlike process. Rivers osmosis, electro-dialysis, capacitive deionization and Nano-filtration are the membrane techniques. The distillation techniques are MSF (multi item flash), MED (multi effect distillation), vapor compression and solar thermal distillation. MSF is a thermal process. In MSF technique the running saline water is heated by the boiler. The steam obtained is condensed to obtain fresh water and rest is ! the use water is removed. MSF have a feedback arrangement in...If you want to run short a full essay, align it on our website:

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