Treatment of phosphorus condenser water

Claim 1

THE METHOD OF CONTINUOUSLY SEPARATING PHOSPHORUS FROM A HOT GASEOUS MIXTURE CONTAINING CARBON MONOXIDE, ELEMENTAL PHOSPHORUS VAPOR, PHOSPHOORUS OXIDES, HYDROGEN FLUORIDE AND SILICON TETRAFLUORIDE WHICH COMPRISES CONTINUOUSLY CONTACTING SAID MIXTURE WITH AN AQUEOUS SOLUTION OF AMMONIUM SALTS, SAID AQUEOUS SOLUTION HAVING A TEMPERATURE BELOW THE CONDENSATION TEMPERATURE OF SAID PHOSPHORUS VAPOR AND HAVING A PREDETERMINED PH BETWEEN ABOUT 5 AND ABOUT 7, TO FORM A LIQUID PRODUCT COMPRISING A DISPERSION OF BOTH ELEMENTAL PHOSPHORUS AND A RELATIVELY SMALL AMOUNT OF SLUDGE IN DILUTE AQUEOUS SOLUTION OF AMMONIUM SALTS, CONTINUOUSLY RAISING THE PH OF SAID LIQUID PRODUCT TO SAID PERDETERMINED VALUE BY ADDING AMMONIA THERETO, CONTINUOUSLY SEPARATING SAID LIQUID PRODUCT INTO A TOP LAYER COMPRISING AN AQUEOUS SOLUTION OF AMMONIUM SALTS, AN INTERMEDIATE SLUDGE LAYER AND A BOTTOM LAYER CONTAINING CONDENSED PHOSPHORUS, CONTINUOUSLY SEPARATING SAID AQUEOUS LAYER OF AMMONIUM SALTS FROM SAID OTHER LAYERS, CONTINUOUSLY COOLING THE SEPARATED AQUEOUS SOLUTION TO THE ABOVE-MENTIONED TEMPERATURE, AND CONTINUOUSLY RECYCLING, THE COOLED AQUEOUS SOLUTION TO THE SAID CONTACTING OF THE ABOVE-DESCRIBED HOT GASEOUS MIXTURE WITH THE SAID AQUEOUS SOLUTION OF AMMONIUM SALTS, SAID HOT GASEOUS MIXTURE BEING DERIVED FROM A PHOSPHATE REDUCTION FURNACE.

Claim 2

THE METHOD OF CONTINUOUSLY SEPARATING PHOSPHORUS FROM A HOT GASEOUS MIXTURE CONTAINING CARBON MONOXIDE, ELEMENTAL PHOSPHORUS VAPOR, PHOSPHOORUS OXIDES, HYDROGEN FLUORIDE AND SILICON TETRAFLUORIDE WHICH COMPRISES CONTINUOUSLY CONTACTING SAID MIXTURE WITH AN AQUEOUS SOLUTION OF AMMONIUM SALTS, SAID AQUEOUS SOLUTION HAVING A TEMPERATURE BELOW THE CONDENSATION TEMPERATURE OF SAID PHOSPHORUS VAPOR AND HAVING A PREDETERMINED PH BETWEEN ABOUT 5 AND ABOUT 7, TO FORM A LIQUID PRODUCT COMPRISING A DISPERSION OF BOTH ELEMENTAL PHOSPHORUS AND A RELATIVELY SMALL AMOUNT OF SLUDGE IN DILUTE AQUEOUS SOLUTION OF AMMONIUM SALTS, CONTINUOUSLY RAISING THE PH OF SAID LIQUID PRODUCT TO SAID PERDETERMINED VALUE BY ADDING AMMONIA THERETO, CONTINUOUSLY SEPARATING SAID LIQUID PRODUCT INTO A TOP LAYER COMPRISING AN AQUEOUS SOLUTION OF AMMONIUM SALTS, AN INTERMEDIATE SLUDGE LAYER AND A BOTTOM LAYER CONTAINING CONDENSED PHOSPHORUS, CONTINUOUSLY SEPARATING SAID AQUEOUS LAYER OF AMMONIUM SALTS FROM SAID OTHER LAYERS, CONTINUOUSLY COOLING THE SEPARATED AQUEOUS SOLUTION TO THE ABOVE-MENTIONED TEMPERATURE, AND CONTINUOUSLY RECYCLING, THE COOLED AQUEOUS SOLUTION TO THE SAID CONTACTING OF THE ABOVE-DESCRIBED HOT GASEOUS MIXTURE WITH THE SAID AQUEOUS SOLUTION OF AMMONIUM SALTS, SAID HOT GASEOUS MIXTURE BEING DERIVED FROM A PHOSPHATE REDUCTION FURNACE.