Production of red phosphorus

Details Production of red phosphorus Production of red phosphorus

1983-12-13

1985-07-02

Heller, Gregory A.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Elemental phosphorus

423323, C01B 2501, C01B 2502, C01B 2504

Patent

active

045267669

ABSTRACT:
Red amorphous phosphorus is formed by thermal conversion of yellow phosphorus by a process wherein thermal conversion is effected while simultaneously the heat of conversion is permitted to effect evaporation of yellow phosphorus. The evaporated yellow phosphorus is condensed, collected and used in a subsequent conversion batch. The red amorphous phosphorus is obtained substantially free from residual unconverted yellow phosphorus and in a physical form which allows ready further processing to particulate form.

REFERENCES:
patent: 2476335 (1949-07-01), Tusson
patent: 4081333 (1978-03-01), Holmes et al.
patent: 4152403 (1979-05-01), McGilvery et al.
patent: 4188367 (1980-02-01), McGilvery

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