Process for recovering elemental phosphorus and a metal concentrate from ferrophos
Abstract
Ferrophos is treated in a plasma furnace by maintaining an electric arc between a cathode and at least one point on the surface of the ferrophos which serves as the anode in the presence of an inert plasma gas, maintaining the average temperature of the ferrophos at about 2,000.degree. C. to about 2,700.degree. C., evolving gaseous phosphorus from the ferrophos until it contains less than about 7% by weight phosphorus, removing a purified phosphorus gas as one product and a metal concentrate having a reduced phosphorus content as a coproduct.
- Inventors:
-
- Kendall Park, NJ
- Martinsville, NJ
- Issue Date:
- OSTI Identifier:
- 866852
- Patent Number(s):
- 4806325
- Application Number:
- 07/219,963
- Assignee:
- FMC Corporation (Philadelphia, PA)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- process; recovering; elemental; phosphorus; metal; concentrate; ferrophos; treated; plasma; furnace; maintaining; electric; cathode; surface; serves; anode; presence; inert; gas; average; temperature; 000; degree; 700; evolving; gaseous; contains; weight; removing; purified; product; reduced; content; coproduct; plasma gas; plasma furnace; recovering elemental; metal concentrate; elemental phosphorus; /423/
Citation Formats
Munday, Theodore F, and Mohr, Richard A. Process for recovering elemental phosphorus and a metal concentrate from ferrophos. United States: N. p., 1989.
Web.
Munday, Theodore F, & Mohr, Richard A. Process for recovering elemental phosphorus and a metal concentrate from ferrophos. United States.
Munday, Theodore F, and Mohr, Richard A. Tue .
"Process for recovering elemental phosphorus and a metal concentrate from ferrophos". United States. https://www.osti.gov/servlets/purl/866852.
@article{osti_866852,
title = {Process for recovering elemental phosphorus and a metal concentrate from ferrophos},
author = {Munday, Theodore F and Mohr, Richard A},
abstractNote = {Ferrophos is treated in a plasma furnace by maintaining an electric arc between a cathode and at least one point on the surface of the ferrophos which serves as the anode in the presence of an inert plasma gas, maintaining the average temperature of the ferrophos at about 2,000.degree. C. to about 2,700.degree. C., evolving gaseous phosphorus from the ferrophos until it contains less than about 7% by weight phosphorus, removing a purified phosphorus gas as one product and a metal concentrate having a reduced phosphorus content as a coproduct.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1989},
month = {2}
}