Question

What are the three major by-products of sugar industry? List any two uses of each of them.

Answer 1

The three major by-products of the sugar industry and their uses are:

1. Bagasse: The fibrous residue left after crushing the sugarcane.
   • Used as a biofuel to generate steam and electricity to run the sugar mills.
   • Used as a primary raw material in the manufacturing of paper, cardboard, and fiberboard.
2. Molasses: The dark, viscous syrup left after the crystallization of sugar.
   • Fermented to produce industrial alcohol (ethanol) and alcoholic beverages.
   • Used as a nutritious additive in the manufacturing of cattle feed.
3. Press Mud: The solid residue obtained from the filtration and clarification of sugarcane juice.
   • Used as a rich bio-fertilizer to improve soil quality and crop yield.
   • Used in the extraction of sugarcane wax and for generating biogas.