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hemical industry

In the chemical industry cold is used for:

1) liquefaction of gases and vapors;

2) decomposition of a mixture of gases and liquids;

3) the separation of complex solutions;

4) crystallizing the salt;

5) increased the concentration of solutions;

6) the regulation of the rate of reaction, accompanied by the release of heat, etc.

The basic chemical products, which participates in the production of the cold: liquid air, oxygen, and nitrogen refrigerants - ammonia, freon and other explosives, aniline paints, synthetic rubber, various mineral oils and other petroleum products.

Cold in chemical industry is also used to release the air from the arsenical compounds and catching of steams of chlorine, benzene, etc.