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Two small methods for recovery of Hexachlorocyclotriphosphaz
Time:2021-09-25 14:17   Source:zeshi

  You should not be familiar with the product of Hexachlorocyclotriphosphazene, so you don't know the recovery method. In order to make you understand the product well, we will introduce this knowledge in detail below. I hope you can read it carefully.

  1. Acidolysis

  Add an appropriate amount of hydrochloric acid or hydrogen chloride gas directly into the liquid Hexachlorocyclotriphosphazene in the reactor, control the acidolysis temperature below 80 ℃ and fully stir until the acidolysis is complete. The tail gas escaping from the acidolysis process is treated by water washing, alkali washing, drying, compression and other steps to recover methyl chloride gas.

  2. Hydrolysis method

  Add an appropriate amount of water to the distillation residue of Hexachlorocyclotriphosphazene in the reactor, control the hydrolysis temperature below 60 ~ C, and fully stir until the hydrolysis is complete. After hydrolysis, the generated aqueous solution of methanol and Hexachlorocyclotriphosphazene is post treated through the steps of activated carbon decolorization, filtration and impurity removal, vacuum concentration, etc. the distillate is recovered methanol, and the product with a concentration of about 75% is in the kettle.

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