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RI4843
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Process for recovering gold and silver from activated carbon by leaching and electrolysis
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RI6161
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Electrolytic methods of preparing cell feed for electrorefining titanium
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RI6480
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Electrical resistivity of cerium metal from 4 feet to 300 feet K
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RI6894
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Solid-state electromigration of impurities in cerium metal
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RI7146
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Direct electrolysis of rare-earth oxides to metals and alloys in fluoride melts
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RI7186
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Field freezing of a cerium-iron alloy
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RI7247
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Preparation of tungsten carbide by electrodeposition
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RI7265
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Preparation of thorium metal
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RI7398
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Electrowinning misch metal from a treated bastnasite concentrate
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RI7455
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Characteristics of electrowon and of hydrogen-reduced molybdenum powder and sheet
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RI7480
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Electrotransport of impurities in rare-earth metals, using a pulsed current
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RI7580
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Comparison of techniques for electrowinning tungsten from scheelite
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RI7694
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Stability constants of metal coordination compounds; complexes of n-ethylethylenediamine and 2-(ethylthio)-ethylamine
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RI7722
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Molten salt electrowinning of magnesium-yttrium alloys
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RI7784
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Preparation of samarium-cobalt permanent magnets
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RI7825
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Stability constants of metal coordination compounds; complexes of diethylenetriamne, 2-aminoethyl sulfide, triethylenetetramine, and 1, 8-diamino-3, 6-dithiaoctane
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RI7841
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Catalytic activity of rare-earth oxides for the oxidation of hydrogen
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RI7906
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Reduction of tetravalent cerium and Its application to stripping from tri-n-butyl phosphate
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RI7919
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Electrochemical kinetics of the reaction of titanium metal with titanium subchlorides in molten sodium chloride
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RI7986
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Electrochemical anodic reaction rate of vanadium metal with molten VC12-VC13-NaCl mixtures
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RI8053
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Electrolytic preparation of titanium and zirconium diborides from their oxides and mineral concentrates
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RI8088
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Recovery and separation of molybdenum and rhenium from a process solution
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RI8105
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Ferric chloride-brine leaching of galena concentrate
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RI8125
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Investigation of a cell design for electrowinning zirconium metal from zirconium tetrachloride
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RI8133
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Recovery of zinc from zinc chloride by fused-salt electrolysis
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RI8188
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Amine extraction of iron from aluminum chloride leach liquors
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RI8276
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Aqueous electrolysis of lead chloride
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RI8330
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Catalytic properties of natural and rare-earth-promoted manganese nodules
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RI8331
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Flotation-nitric acid leach procedure for Increasing uranium recovery from a refractory ore
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RI8341
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Platinum-substitute materials as electrocatalysts for oxygen reduction
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RI8347
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Titania from intermediates prepared by soda-smelting ilmenite
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RI8353
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Extracting iron from an aluminum sulfate leach solution
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RI8388
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Enhancing percolation rates in heap leaching of gold-silver ores
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RI8445
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Preparing rare earth-silicon-iron-aluminum alloys
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RI8458
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Recovery of gold from arsenopyrite concentrates by cyanidation-carbon adsorption
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RI8563
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Recovery of byproduct heavy minerals from sand and gravel operations in oregon and washington
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RI8580
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Extracting uranium from carbonaceous ores
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RI8583
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Magnetic properties of alloys containing mischmetal, cobalt, copper, iron and magnesium
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RI8593
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Hydrogen chloride sparging crystallization of aluminum chloride hexahydrate
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RI8612
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Improvements in heap leaching to recover silver and gold from low- grade resources
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RI8626
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Effects of sodium chloride leach solution additive on simulated in situ leaching of a chalcopyrite ore
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RI8631
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Hydrogenation catalysts from intermetallic compounds
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RI8634
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Iron extraction from simulated aluminum nitrate leach liquor
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RI8642
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Effects of temperature on simulated in situ leaching of chalcopyrite ore
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RI8680
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Operation of mineral recovery unit on brine from the salton sea known goethermal resource area
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RI8689
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Flotation of rare earths from bastnasite ore
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RI8693
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Magnetic properties of alloys containing lanthanum, cobalt, copper, and magnesium
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RI8694
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Aluminum extraction from anorthosite by leaching with hydrochloric acid and fluoride
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RI8716
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Recovery of scheelite and byproduct sphalerite from western U. S. tactite ores
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RI8717
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Recovery of platinum-group metals from stillwater complex, mont., flotation concentrates by matte smelting and leaching
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RI8718
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Method for producing zirconyl sulfate solution from zircon sand
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RI8720
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Recovery of tungsten from a hydrothermally altered deposit
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RI8733
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Recovery of sulfur and accessory metals from a leaching process residue
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RI8763
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Pilot mill flotation of anorthositic platinum-palladium ore from the stillwater complex
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RI8768
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Mathematical modeling of accessory element distribution in metallurgical processes-computerization of a lead smelter plant
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RI8769
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Recovering mercury from a flotation concentrate by continuous leaching-electrolysis
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RI8770
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Integrated operation of ferric chloride leaching, molten-salt electrolysis process for production of lead
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RI8806
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Recovery of alumina from anorthosite by an HCl-F-gas sparging crystallization process
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RI8810
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Magnetic properties of synthetic mischmetal alloyed with cobalt, copper, iron, and magnesium
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RI8816
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Application of inorganic ion exchangers to metallurgy
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RI8833
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Increasing the leaching rate of bulk superalloy scrap by melting with aluminum
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RI8849
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Purification of zirconyl sulfate by solvent extraction
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RI8850
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Investigation of methods for producting reactor-grade zirconium oxide from a zirconium-bearing chloride-sulfate strip liquor solution
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RI8908
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A strong acid-weak acid method for producing aluminum chloride hexahydrate from kaolinitic clay
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RI8922
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Recovering zinc-lead sulfide from a geothermal brine
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RI8930
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Hydrogen chloride sparging crystallization of the chloride salts of cobalt, manganese, and nickel
|
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RI8970
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Recovery of platinum, palladium, and gold from stillwater complex flotation concentrate by a roasting-leaching procedure
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RI8991
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Solubilities of chloride salts of alkali and alkaline-earth metals when sparged with hydrogen chloride
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RI9020
|
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Calcium chloride-oxygen leaching and metals recovery from an arsenical copper-cobalt concentrate
|
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RI9100
|
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|
Solubilities of sideronatrite and ferrinatrite in the system Na2SO4,- Fe2O,-H2SO4,, H2O
|
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RI9140
|
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Recovery of mercury from concentrates by cupric chloride leaching and aqueous electrolysis
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RI9153
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Electrodewatering of bayer muds - laboratory studies
|
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RI9156
|
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|
|
Solubilities of bromide salts of aluminum, cobalt, lead, manganese, potassium, and sodium when sparged with hydrogen bromide
|
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RI9165
|
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|
Preparation of ammonium paratungstate from a sodium tungstate-sodium chloride phase
|
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RI9235
|
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|
Separation and recovery of metals from zinc-treated superalloy scrap
|
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RI9264
|
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|
|
Alumina recovery from copper dump leaching liquors using a supported liquid membrane
|
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RI9277
|
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|
|
Recovery of lead and silver from plumbojarosite by hydrothermal sulfidation and chloride leaching
|
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|
RI9311
|
|
|
|
|
Effect of nonionic surfactants on chalcopyrite leaching under dump chemical conditions
|
|
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|
RI9315
|
|
|
|
|
Electrolytic production of calcium metal
|
|
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RI9318
|
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|
|
Leaching of pyroxmangite ore with calcium fluoride and sulfuric acid
|
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RI9334
|
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|
|
Leaching basic oxygen furnace slag with fluosilicic acid to recover manganese and byproducts
|
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|
RI9335
|
|
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|
|
Production of lead metal by molten-salt electrolysis with energy- efficient electrodes
|
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RI9347
|
|
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|
|
Method for recovering anhydrous ZnCl2, from aqueous solutions
|
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RI9349
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|
Pretreatment of bauxite with hydrogen
|
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RI9371
|
|
|
|
|
Bacterial preoxidation of stillwater complex, mt, platinum-group metal flotation concentrate and recovery of platinum-group metals by cyanidation and other leachants
|
|
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|
|
|
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|
RI9381
|
|
|
|
|
Effect of nonionic surfactants on chalcopyrite leaching under dump chemical conditions, part 2
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|
|
|
RI9384
|
|
|
|
|
High-temperature cyanide leaching of platinum-group metals from automobile catalysts--laboratory tests
|
|
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|
|
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|
RI9396
|
|
|
|
|
Copper exchange capacity of clays and their potential effect on in situ copper leaching
|
|
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|
|
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|
RI9400
|
|
|
|
|
Recovery of manganese from steel plant slag by carbamate leaching
|
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|
|
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|
RI9428
|
|
|
|
|
High-temperature cyanide leaching of platinum-group metals from automobile catalysts--process development unit
|
|
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|
|
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|
RI9504
|
|
|
|
|
Electrowinning of neodymium from a molten oxide fluoride electrolyte
|
|
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RI9509
|
|
|
|
|
The effect of competing ions on copper by exchange clays
|
|
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|
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RI9512
|
|
|
|
|
Recovery of flake graphite from steelmaking kish
|
|
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|
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RI9518
|
|
|
|
|
Microwave heating of chemicals and minerals
|
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RI9535
|
|
|
|
|
Leaching of petroleum catalysis with cyanide for palladium recovery
|
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|
RI9543
|
|
|
|
|
High temperature cyanide leaching of platinum group metals from automobile catalysis pilot plant study
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RI9544
|
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|
|
Ten cycle bench scale study of simplified clay hydrogen chloride process for alumina production
|
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RI9556
|
|
|
|
|
Effect of additives on chalcopyrite leaching
|
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|
RI9559
|
|
|
|
|
Improved grindability of taconite ores by microwave heating
|
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RI9590
|
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|
|
Adhesion of diamond films on tungsten
|
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RI9592
|
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|
|
Electrochemical reduction of titanium in nonaqueous solvents
|
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RI9601
|
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|
Ion elutriation of silver and free cyanide from wastewater
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