Recovery of phosphorus from sludge

Details Recovery of phosphorus from sludge Recovery of phosphorus from sludge

1982-06-28

1987-08-25

Bashore, S. Leon

Distillation: processes, separatory

Distilling to separate or remove only water

From organic compound

203 88, 203 98, 203DIG25, 202233, 159 21, 159 471, 210906, 423322, 423323, B01D 306

Patent

active

046891218

ABSTRACT:
A process of recovering elemental phosphorus from sludge is disclosed wherein the sludge is flash evaporated utilizing a heat transfer means and then separated from the solid impurities contained therein.

REFERENCES:
patent: 2976224 (1961-03-01), Gilliland
patent: 3032482 (1962-05-01), Shoemaker
patent: 3084029 (1963-04-01), Barber et al.
patent: 4081333 (1978-03-01), Holmes et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, Third Ed., 1979, 7, p. 860.
Murch, Robert M., Thermally Stable Hydraulic Fluids, Grace (W. R.) & Co., Clarksville, MD, Research Div. Corp., Source Codes: 400450, Report No. AFMC T-R-68-337, Jan. 69, p. 35.
Hackh's, Chemical Dictionary, 4th ed., McGraw, ed-Hill, p. 680, 1972.
Hengstebeck, "Distillation-Principles and Design Procedures", pp. 17-18, Reinhold Publishing Corp., New York, 1961.
Watson, "First International Symposium on Water Desalination", pp. 1-14, Wa., D.C., 1965.

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