Method and equipment for continuously refining liquid paraffin by virtue of by-product hydrochloric acid during chlorinated paraffin production
A technology of by-product hydrochloric acid and chlorinated paraffin, which is applied in the field of extraction towers, can solve the problems of restricting the use of hydrochloric acid and unattainable color, and achieve the effect of improving color, purity and quality
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[0012] Example: In the method of this example, the chlorination reaction system and the acid making system of the chlorinated paraffin are continuous, and the liquid outlet of the acid by-product of the finished product must be higher than the extraction tower.
[0013] as attached figure 1 As shown, the raw material liquid wax enters the tower from the D port of the extraction tower, and the by-product hydrochloric acid enters the tower from the C port of the extraction tower. The moisture in the HCl is taken away by the acid, and the aromatic hydrocarbons and other mechanical impurities react with the hydrochloric acid and then precipitate to the bottom of the extraction tower, and most of the free chlorine in the hydrochloric acid is taken away by the liquid wax.
[0014] The extracted liquid paraffin enters the chlorination reaction kettle from port B for chlorination reaction, and the hydrochloric acid after extraction of free chlorine directly enters the finished hydroch...
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