Production and use of stabilized suspensions in water

Claim 2

A PROCESS FOR THE PRODUCTION OF STABILISED SUSPENSIONS OF PARTICULATE WATER SOLUBLE SOLIDS IN AQUEOUS MEDIA, WHICH COMPRISES PREPARING A COMPOSITE SUSPENSION IN AN AQUEOUS MEDIUM OF AT LEAST ONE PARTICULATE WATER SOLUBLE SOLID AND OF A STABILISING AGENT COMPRISING AT LEAST ONE FLOCCULENT METAL METALLATE, WHICH IS NOT MORE THAN SLIGHTLY SOLUBLE IN THE AQUEOUS MEDIUM EMPLOYED, AND IS PRODUCED BY INTERACTION OF A REAGENT (A) SELECTED FROM THR GROUP CONSISTING OF THE OXIDES, HYDROXIDES AND WATER SOLUBLE SALTS OF AN ALKALINE EARTH METAL HAVING AN ATOMIC NUMBER UP TO 20 WITH A REAGENT (B) SELECTED FROM THE GROUP CONSITING OF THE OXIDES AND HYDROXIDES OF A TRIVALENT METAL HAVING AN ATOMIC NUMBER BETWEEN 13 AND 26 AND THE WATER SOLUBLE SALTS THEREOF, THE SAID INTERACTION BEING CARRIED OUT IN AN AQUEOUS MEDIUM IN WHICH A BASIC REACTION IS MAINTAINED.

Claim 3

A PROCESS FOR THE GRAVITY SEPARATION OF MATERIALS COMPRISING DISCRETE PARTICLES OF SUBSTANTIALLY DIFFERENT SPECIFIC GRAVITIES, WHICH COMPRISES SUBJECTING THEM TO A FLOAT AND SINK PROCESS BY INTRODUCING THEM INTO A SEPARATION MEDIUM OF AN APPARENT SPECIFIC GRAVITY INTERMEDIATE BETWEEN THOSE OF THE COMPONENTS TO BE SEPARATED COMPRISING A SUSPENSION OF A COMMINUTED SOLID IN AN AQUEOUS MEDIUM, THE STABILITY OF WHICH IS IMPROVED BY THE PRESENCE THEREIN OF A STABILIZING AGENT COMPRISING A FLOCCULENT METAL METALLATE, WHICH IS NOT MORE THAN SLIGHTLY SOLUBLE IN THE MEDIUM, AND IS OBTAINED BY INTERACTION IN AN AQUEOUS MEDIUM IN WHICH A BASIC REACTION IS MAINTAINED OF A REAGENT (A) SELECTED FROM THE GROUP CONSISTING OF THE OXIDES HYDROXIDES AND SOLUBLE SALTS OF AN ALKALINE EARTH METAL HAVING AN ATOMIC NUMBER UP TO 20 WITH A REAGENT (B) SELECTED FROM THE GROUP CONSISTING OF AN OXIDE, HYDROXIDE OR WATER SOLUBLE SALT OF A TRIVALENT METAL HAVING AN ATOMIC NUMBER BETWEEN 13 AND 26 AND SEPARATELY WITHDRAWING SEPARATED LIGHTER AND HEAVIER MATERIAL.

Claim 4

A PROCESS FOR THE GRAVITY SEPARATION OF MATERIALS COMPRISING DISCRETE PARTICLES OF SUBSTANTIALLY DIFFERENT SPECIFIC GRAVITIES, WHICH COMPRISES SUBJECTING THEM TO A FLOAT AND SINK PROCESS BY INTRODUCING THEM INTO A SEPARATION MEDIUM OF AN APPARENT SPECIFIC GRAVITY INTERMEDIATE BETWEEN THOSE OF THE COMPONENTS TO BE SEPARATED COMPRISING A SUSPENSION OF A COMMINUTED SOLID IN AN AQUEOUS MEDIUM, THE STABILITY OF WHICH IS IMPROVED BY THE PRESENCE THEREIN OF A STABILIZING AGENT COMPRISING A FLOCCULENT METAL METALLATE, WHICH IS NOT MORE THAN SLIGHTLY SOLUBLE IN THE MEDIUM, AND IS OBTAINED BY INTERACTION IN AN AQUEOUS MEDIUM IN WHICH A BASIC REACTION IS MAINTAINED OF A REAGENT (A) SELECTED FROM THE GROUP CONSISTING OF THE OXIDES HYDROXIDES AND SOLUBLE SALTS OF AN ALKALINE EARTH METAL HAVING AN ATOMIC NUMBER UP TO 20 WITH A REAGENT (B) SELECTED FROM THE GROUP CONSISTING OF AN OXIDE, HYDROXIDE OR WATER SOLUBLE SALT OF A TRIVALENT METAL HAVING AN ATOMIC NUMBER BETWEEN 13 AND 26 AND SEPARATELY WITHDRAWING SEPARATED LIGHTER AND HEAVIER MATERIAL.