Production of phosphorus oxyhalide

Details Production of phosphorus oxyhalide Production of phosphorus oxyhalide

1975-04-02

1976-05-11

Vertiz, Oscar R.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Halogen containing

423304, C01B 2510, C01B 2512

Patent

active

039564630

ABSTRACT:
Improvement in the oxygen oxidation of phosphorus trihalides, particularly phosphorus trichloride, to phosphorus oxyhalide, particularly oxychloride, by introducing phosphorus trihalide and gaseous oxygen into the bottom of an elongated, substantially vertical reaction zone, passing said phosphorus trihalide and oxygen upwardly through said zone while reacting such together; withdrawing a portion of the upwardly flowing reaction mixture from an intermediate point in said zone; introducing oxygen into admixture with said withdrawn admixture and cooling, agitating and reacting such; returning said admixture reaction mass to said elongated reaction zone; and recovering substantially pure phosphorus oxyhalide from the downstream end of said reaction zone.

REFERENCES:
patent: 2741542 (1956-04-01), Taylor
patent: 3052520 (1962-09-01), Draeger et al.

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