Used extensively in the manufacturing of paper and pulp, it helps break down wood fibers. In the chemical industry, it serves as a key ingredient in the production of various chemicals, including detergents and soaps, where it facilitates saponification. It is also employed in water treatment processes to adjust pH levels and remove heavy metals. In the food industry, it is used for peeling fruits and vegetables, as well as in the preparation of certain food products like olives and pretzels. Additionally, it plays a role in biodiesel production by catalyzing the transesterification of fats and oils.