Sulfur dioxide is the most common, simplest, and irritating sulfur oxide. Its chemical formula is SO2, a colorless gas, and one of the main pollutants in the atmosphere. This gas is emitted when a volcano erupts, and sulfur dioxide is also produced in many industrial processes.
Main uses of sulfur dioxide:
1. Used as an organic solvent and refrigerant, and used to refine various lubricating oils.
2. Mainly used to produce sulfur trioxide, sulfuric acid, sulfite, thiosulfate, and also used as fumigant, preservative, disinfectant, reducing agent, etc.
3. Sulfur dioxide is a reducing bleaching agent allowed in China. It has a bleaching effect on food and has a strong inhibitory effect on oxidase in plant food. According to Chinese regulations, it can be used for wine and fruit wine, the maximum use amount is 0.25g/kg, and the residual amount shall not exceed 0.05g/kg.
4. Industrial sectors such as pesticides, man-made fibers, and dyes.
5. Used in the production of sulfur and as pesticides and fungicides.
Transportation considerations: The railway transportation time limit of this product is carried by the tanker provided by the pressure-resistant liquefied gas enterprise, and it needs to be reported to the relevant department for approval before shipment. During railway transportation, the dangerous goods shall be installed strictly in accordance with the dangerous goods distribution table in the "Rules for the Transport of Dangerous Goods" of the Ministry of Railways. The safety helmet on the cylinder must be worn when transporting in a rigid bottle. Steel cylinders are generally laid flat, and the mouths of the cylinders should face the same direction without crossing; the height should not exceed the protective fence of the vehicle, and they should be secured with triangular wooden pads to prevent rolling. Mixed shipment and transportation with combustibles or combustibles, oxidants, reducing agents, edible chemicals, etc. is strictly prohibited. In summer, it should be transported in the morning and evening to prevent sun exposure. When transporting by road, it is necessary to drive along the prescribed route, and it is forbidden to stay in residential areas and densely populated areas. It is forbidden to drop off during railway transportation.
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