Sodium bisulfite solution is widely used in water treatment processes to remove chlorine and chloramines, ensuring safer drinking water. It acts as a reducing agent in various industrial applications, including the preservation of food and beverages to prevent oxidation and spoilage. In the textile industry, it serves as a bleaching agent and helps in dye fixation. Additionally, it is employed in the pharmaceutical sector to stabilize certain drugs and prevent degradation. Its ability to neutralize harmful chemicals makes it valuable in environmental applications, such as gas scrubbing to remove sulfur dioxide from emissions.