TRAIL - Technical Report Archive and Image Library

Factors affecting the preparation of misted clay feed and solids-liquid separation after HCl leaching

Mechanical properties of some portland cement concretes made with coal and coal waste as aggregates

Dewatering of coal-clay waste slurries from preparation plants

Percolation leaching of a chalcopyrite-bearing ore at ambient and elevated temperatures with bacteria

Slurry transport properties of graded coal waste

Removal of cyanide and metals from mineral processing waste waters

Use of a sodium silicate gel grout for plugging horizontal methane-drainage holes

Increasing the leaching rate of bulk superalloy scrap by melting with aluminum

Water infusion -an effective and economical longwall dust control

Compatibility of nickel electrolyte containing sodium sulfate with a solvent extraction system

General time-dependent solutions for radon diffusion from samples containing radium

Effect of asymmetric wear of point attack bits on coal-cutting parameters and primary dust generation

Debrining of potash-clay waste slurries

Precision of personal sampling of respirable dust in coal mines

Mathematical modeling of accessory element distribution in metallurgical processes :computerization of a lead smelter plant

Corrosion-resistant sulfur concretes

Hydrometallurgical treatment of electronic scrap concentrates containing precious metals

Enthalpy of formation of 2CdO℗·CdSO₄

Selective nickel electrowinning from dilute electrolytes

Pilot mill flotation of anorthositic platinum-palladium ore from the Stillwater Complex

Recovery of chromium from surface-finishing wastes

Coal cutting mechanics and noise generation

Effects of impurities in electrolytes on electrowinning of lead from lead chloride

Calamity hollow mine fire project (in five parts).

Characterization of steelmaking dusts from electric arc furnaces

Development of a soft-soldering system for aluminum

Leaching rates for the HCI extraction of aluminum from calcined kaolinitic clay

Laboratory testing of compressed-oxygen self-rescuers for ruggedness and reliability

Dust sources and controls on the six U.S. longwall faces having the most difficulty complying with dust standards

Health and safety in-house and contract research in fiscal year 1984

Analyses of natural gases, 1982

Toward development of a hard-rock mining machine--drag cutter experiments in hard abrasive rocks

Alumina miniplant operations -evaporative crystallization of aluminum nitrate nonahydrate from aluminum nitrate solutions

Distribution and analyses of gold and silver in mechanically processed mixed electronic scrap

Vertical magnetic noise in the voice frequency band within and above coal mines

Resistance of selected refractories to mineral waste melts

Vanadium-uranium extraction from Wyoming vanadiferous silicates

Shaft furnace reduction-oxidation roasting of pelletized alunite dust

Cutting parameters affecting the ignition potential of conical bits

Neodecanoic acid as a Co³⁺ solvent extractant

Long-term effectiveness of deep mine sealing at Moraine State Park, Butler County, Pa.

Economic evaluation of a method to regenerate waste chromic acid-sulfuric acid etchants

Lime-gypsum processing of McDermitt clay for lithium recovery

Characterization of lateritic nickel ores by electron-optical and x-ray techniques

Control of longwall gob gas with cross-measure boreholes (upper Kittanning coalbed)

Leaching aluminum from calcined kaolinitic clay with nitric acid

Reducing longwall tailgate workers' dust exposure utilizing water-powered scrubbers

Stratification in water quality in inundated anthracite mines, eastern Pennsylvania

Taxation and the profitability of mineral operations in seven mountain states and Wisconsin :a hypothetical study

Cl₂-O₂ leaching of massive sulfide samples from the southern Juan de Fuca Ridge, North Pacific Ocean

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