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3655044 |
SEPARATION OF MOLYBDENUM SULFIDE FROM COPPER SULFIDE WITH DEPRESSANTS
Molybdenum sulfide is separated from a molybdenite-containing copper ore concentrate by subjecting an aqueous pulp of the concentrate to froth flotation in the presence of a collector for...
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3642464 |
TIN ORE TREATING PROCESS
A method of beneficiating crushed and ground tin oxide ores, including concentrates, by first sulfidizing to produce stable tin sulfides SnS 2 , Sn 2 S 3 and SnS, and then, after initial...
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3596838 |
FLOTATION OF SULPHIDE ORES
Flotation of sulphide minerals from their ores is achieved by a process in which two or more conditioning steps are carried out prior to a froth flotation step. The first step comprises...
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3572504 |
METHOD FOR THE FLOTATION OF OXIDIC ORES WITH CALCAREOUS AND DOLOMITIC GANGUE
A method for the flotation of minerals and ores with a calcareous and dolomitic gangue, such as oxidized ores, especially of copper, in which there are incorporated in the flotation pulps, when so...
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3539002 |
PROCESS FOR SEPARATING MOLYBDENITE FROM COPPER SULFIDE CONCENTRATES
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3536193 |
BENEFICIATION OF FLUORSPAR ORES
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3528784 |
METHOD FOR PRELIMINARY BENEFICIATION OF CALCAREOUS OXIDIZED COPPER ORES BY FLOTATION OF A HIGH ACID-CONSUMING FRACTION CONTAINING LOW COPPER VALUES FROM A LOW ACID-CONSUMING FRACTION CONTAINING HIGHER COPPER VALUES
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3502271 |
IRON ORE TREATING PROCESS
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3456792 |
METHOD FOR RECOVERING CHALCOPYRITE AND PYRITE FROM COMPLEX MAGNETITE ORES
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3454161 |
FROTH FLOTATION OF COMPLEX ZINC-TIN ORE
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3452867 |
TREATMENT OF SYLVINITE ORES
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3447682 |
METHOD FOR SEPARATING PHOSPHORS
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3435952 |
PROCESS AND REAGENT FOR RECOVERY OF MOLYBDENITE FROM COPPER SULFIDE-MOLYBDENITE FLOTATION CONCENTRATES
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3426896 |
FLOTATION OF BULK CONCENTRATES OF MOLYBDENUM AND COPPER SULFIDE MINERALS AND SEPARATION THEREOF
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3414128 |
Nitrogenous material fractions obtained from gilsonite in froth flotation
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3403783 |
Flotation of phosphate-containing materials
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3400817 |
Process and reagent for recovery of molybdenite from copper sulfide-molybdenite flotation concentrates
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3382976 |
Method for preventing activation of silica in ore flotation
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3375924 |
Differential froth flotation of molybdenite and copper sulfides utilizing "nokes" reagent
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3351193 |
Recovery of molybdenite from copper-bearing ores
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3329266 |
Flotation process involving depression of sulfide minerals previously activated
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3313412 |
Recovery of molybdenite from copper sulfide concentrates by froth flotation
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3220551 |
Flotation of sulfide ores
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3211771 |
Cyanovinyl dithiocarbamates
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3207304 |
Method of concentrating fluorspar ores
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3203968 |
Ion flotation method
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3137649 |
Separation of sulfide ores
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3113838 |
Process for enriching of phosphoric anhydride phosphate minerals containing calcium carbonate
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3102856 |
Platy talc beneficiation
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3098817 |
Phosphate ore flotation process
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3097162 |
Method for concentrating aluminum silicates and zircon from beach sand
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3094485 |
Flotation procedures
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3086653 |
Concentrated aqueous solutions of alkali and alkaline earth metal salts of phospho-organic compounds
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3082872 |
Froth flotation of cryolite
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3078996 |
Method of improving recovery of mineral values from ores
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3078997 |
Flotation process for concentration of phenacite and bertrandite
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3072256 |
Process for concentrating ores
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3072255 |
Method of brightening clay by froth flotation of sulfidized clay pulp
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3067875 |
Ore beneficiation process
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3059774 |
Method and means for beneficiating ores
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3052355 |
Method of purifying heavy ferrosilicon suspensions employed for sink-float separation processes
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3049233 |
Process for separation of schoenite from sodium chloride by means of flotation
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3037627 |
Method of beneficiating sulfide and oxide ores of copper, manganese, lead and zinc
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3034648 |
Promoting froth flotation
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3032198 |
Flotation concentration of halite
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3031461 |
1, 3, 5-trialkoxyalkyltrioxanes and process for their production
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3028008 |
Separation of spodumene and beryl by flotation
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3017028 |
Clay depressant
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3016143 |
Flotation of granular ores
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3014585 |
Flotation process for concentrating niobium-bearing minerals
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