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Salt Industry - Problems and Prospects

Salt is existant in all animal and vegetable life and is coeval with life itself. It must have been present in the first herbage that gve nourishment to the first beast. The history of salt is thus the history of civilisation on earth. Common salt or sodium chloride is an inorganic substance which is very widely distributed on the earth. The main sources of common salt are sea, inland salt lakes, rock salt deposits and sub-soil brine.