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