Method of separating and recovering phosphorus from phosphorus s

Details Method of separating and recovering phosphorus from phosphorus s Method of separating and recovering phosphorus from phosphorus s

1990-05-07

1991-03-26

Langel, Wayne A.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Elemental phosphorus

C01B 2504

Patent

active

050027450

ABSTRACT:
A process is described for the separation and recovery of phosphorus from phosphorus-dirt mixtures by adding a quaternary ammonium compound to the mixture, while it is under an aqueous cover, agitating same, and separating a lower phosphorus phase from an upper dirt phase. The mixtures are treated prior to addition of the quaternary ammonium compound, where required, by lowering their dirt to phosphorus levels sufficiently low to permit them to be destabilized.

REFERENCES:
patent: 2123554 (1938-07-01), Klosky
patent: 3084029 (1963-04-01), Barber et al.
patent: 4299806 (1981-11-01), Kuck et al.
patent: 4595492 (1986-06-01), Crea et al.
patent: 4777029 (1988-10-01), Bugenov et al.
patent: 4780296 (1988-10-01), Bugenov et al.

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