Abstract 1. IN A PROCESS FOR THE SIMULTANEOUS RECOVERY OF NH3, CO2 AND FLUORIDE FROM NH4+, CO3= AND FLUORIDE CONTAINING FILTRATE FROM THE PRECIPITATION OF TETRAAMONIUM URANYKL TRI CARBONATE THE IMPROVEMENT COMPRISING A FIRST PHASE OF A CIRCULATORY PROCESS REACTING SAID FILTRATE WITH A STRONGLY ACID AQUEOUS SOLUTION OF AMMONIUM FLUORIDE AND AMMONIUM HYDROGEN FLUORIDE, LIBERATING CARBON DIOXIDE AND BINDING AMMONIA AND REDUCING THE ACIDITY OF SUCH REACTION, REMOVING THE LIBERATE CARBOM DIOXIDE FROM THE FILTRATE, IN A SECOND PHASE OF THE CIRCULATORY PROCESS CONTINUOUSLY EVAPORATING THE WEAKLY ACID AND CARBONATE FREE SOLUTION SO FORMED AND THEREBY SETTING FREE AMMONIA, REMOVING THE AMMONIA SET FREE AND THEREBY REGENERATING THE STRONGLY ACID SOLUTION, MAINTAINING THE FLUORIDE CONTENT OF THE CIRCUIT CONSTANT BY WITHDRAWING FROM THE CIRCUIT SUFFICIENT OF THE STREAM OF STRONGLY ACID SOLUTION TO PREVENT INCREASE IN FLUORIDE, PRECIPITATING URANIUM FROM THE SAID WITHDRAWN STREAM BY ADDING AMMONIA AND HYDROGEN PEROXIDE AND REMOVING FLUORIDE IONS FROM THE REMAINING WITHDRAWN STREAM BY PRECIPITATING THE FLUORIDE AS INSOLUBLE CALCIUM FLUORIDE BY ADDING A CALCIUM COMPOUND WHICH IS CALCIUM OXIDE OR CALCIUM HYDROXIDE.
IN A PROCESS FOR THE SIMULTANEOUS RECOVERY OF NH3, CO2 AND FLUORIDE FROM NH4+, CO3= AND FLUORIDE CONTAINING FILTRATE FROM THE PRECIPITATION OF TETRAAMONIUM URANYKL TRI CARBONATE THE IMPROVEMENT COMPRISING A FIRST PHASE OF A CIRCULATORY PROCESS REACTING SAID FILTRATE WITH A STRONGLY ACID AQUEOUS SOLUTION OF AMMONIUM FLUORIDE AND AMMONIUM HYDROGEN FLUORIDE, LIBERATING CARBON DIOXIDE AND BINDING AMMONIA AND REDUCING THE ACIDITY OF SUCH REACTION, REMOVING THE LIBERATE CARBOM DIOXIDE FROM THE FILTRATE, IN A SECOND PHASE OF THE CIRCULATORY PROCESS CONTINUOUSLY EVAPORATING THE WEAKLY ACID AND CARBONATE FREE SOLUTION SO FORMED AND THEREBY SETTING FREE AMMONIA, REMOVING THE AMMONIA SET FREE AND THEREBY REGENERATING THE STRONGLY ACID SOLUTION, MAINTAINING THE FLUORIDE CONTENT OF THE CIRCUIT CONSTANT BY WITHDRAWING FROM THE CIRCUIT SUFFICIENT OF THE STREAM OF STRONGLY ACID SOLUTION TO PREVENT INCREASE IN FLUORIDE, PRECIPITATING URANIUM FROM THE SAID WITHDRAWN STREAM BY ADDING AMMONIA AND HYDROGEN PEROXIDE AND REMOVING FLUORIDE IONS FROM THE REMAINING WITHDRAWN STREAM BY PRECIPITATING THE FLUORIDE AS INSOLUBLE CALCIUM FLUORIDE BY ADDING A CALCIUM COMPOUND WHICH IS CALCIUM OXIDE OR CALCIUM HYDROXIDE.
Claim 2
Dependent Claim
178 words
IN A PROCESS FOR THE SIMULTANEOUS RECOVERY OF NH3, CO2 AND FLUORIDE FROM NH4+, CO3= AND FLUORIDE CONTAINING FILTRATE FROM THE PRECIPITATION OF TETRAAMONIUM URANYKL TRI CARBONATE THE IMPROVEMENT COMPRISING A FIRST PHASE OF A CIRCULATORY PROCESS REACTING SAID FILTRATE WITH A STRONGLY ACID AQUEOUS SOLUTION OF AMMONIUM FLUORIDE AND AMMONIUM HYDROGEN FLUORIDE, LIBERATING CARBON DIOXIDE AND BINDING AMMONIA AND REDUCING THE ACIDITY OF SUCH REACTION, REMOVING THE LIBERATE CARBOM DIOXIDE FROM THE FILTRATE, IN A SECOND PHASE OF THE CIRCULATORY PROCESS CONTINUOUSLY EVAPORATING THE WEAKLY ACID AND CARBONATE FREE SOLUTION SO FORMED AND THEREBY SETTING FREE AMMONIA, REMOVING THE AMMONIA SET FREE AND THEREBY REGENERATING THE STRONGLY ACID SOLUTION, MAINTAINING THE FLUORIDE CONTENT OF THE CIRCUIT CONSTANT BY WITHDRAWING FROM THE CIRCUIT SUFFICIENT OF THE STREAM OF STRONGLY ACID SOLUTION TO PREVENT INCREASE IN FLUORIDE, PRECIPITATING URANIUM FROM THE SAID WITHDRAWN STREAM BY ADDING AMMONIA AND HYDROGEN PEROXIDE AND REMOVING FLUORIDE IONS FROM THE REMAINING WITHDRAWN STREAM BY PRECIPITATING THE FLUORIDE AS INSOLUBLE CALCIUM FLUORIDE BY ADDING A CALCIUM COMPOUND WHICH IS CALCIUM OXIDE OR CALCIUM HYDROXIDE.