1. Used for bleaching of pulp, fiber, flour, starch, grease, etc., drinking water purification and sewage treatment, leather depilation and preparation of chlorine dioxide aqueous solution, etc. It is a high-efficiency bleach and oxidant. Mainly used for pulp, paper and various fibers, such as cotton, hemp, and reeds. Bleaching of viscose fibers can also bleach sugar, flour, starch, oil and wax. It is also used for leather depilation, surface treatment of certain metals, drinking water purification and sewage treatment, etc. It can be used as a discharge agent for indanthrene dyeing. Oxidant. Fungicide. purified water. Fabric bleach.
2. Used as a bleaching agent in the food industry. Mainly used for candied products. The aqueous solution of sodium chlorite has stable bleaching ability under acidic conditions. You can add citric acid to adjust the pH to 3 to 5 before bleaching. Corrosion-resistant containers are required for bleaching, and metal containers are not allowed. Japanese regulations are limited to cherries, butterbur, grapes and peaches. The FDA (§186.1750, 2000) stipulates that it is limited to paper in contact with food, with a limit of 125-250mg/kg.
3. High-efficiency bleaching agent and oxidant. It is mainly used for bleaching pulp, paper and various fibers, such as cotton, hemp, reed, viscose fiber, etc., and can also bleach white sugar, flour, starch, grease and wax. It is also used for leather depilation, surface treatment of certain metals, drinking water purification and sewage treatment, etc. It can be used as a discharge agent for indanthrene dyeing.
4. It is used to purify drinking water and treat sewage without residual chlorine odor. It has the functions of sterilization, phenol removal and deodorization. This product is also a high-efficiency bleaching agent, used to bleach fabrics, fibers, and paper pulp, and has the characteristics of less damage to fibers.
