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2020-11-22 14:20:43

工业

Gases In Chemical Industry


Chemical industry: In terms of raw materials, there are petrochemicals and coal chemicals; according to molecular properties, they can be divided into organic chemicals and inorganic chemicals. Including basic chemical industry and plastics, synthetic fiber, petroleum, rubber, pharmaceutical, dye industry, etc. It is a department that uses chemical reactions to change the structure, composition, and form of substances to produce chemical products. Such as: inorganic acid, alkali, salt, rare element, synthetic fiber, plastic, synthetic rubber, dye, paint, fertilizer, pesticide, etc.
 
In the production of synthetic ammonia, oxygen is mainly used for the oxidation of feed gas to strengthen the process and increase the output of chemical fertilizers. Nitrogen is the main raw material of the nitrogen fertilizer industry. Carbon dioxide is used in organic chemical synthesis to produce a variety of commonly used chemical products, such as urea and salicylic acid.

With synthetic ammonia as the raw material gas, various fertilizers can be produced. 1 ton of synthetic ammonia can produce 2 to 2.2 tons of ammonium nitrate, 3.8 to 4 tons of ammonium sulfate, and 1.5 to 1.7 tons of urea. Oxygen is used as a gasification agent for pulverized coal or heavy oil, and nitrogen is used as a raw material gas in the synthesis and as a safety protective gas for the device.