TRAIL - Technical Report Archive and Image Library

Minerals health and safety in-house and contract research, development, and demonstration in fiscal year 1982

State severance taxes :a summary and an analysis of the impact of rate changes on copper recovery costs

The solubility of methane, carbon dioxide, and oxygen in brines from 0⁰ to 300⁰ c

Determination of ferric ion diffusion and activity coefficients from chronopotentiometric data

Recovery of sulfur and accessory metals from a leaching process residue

A novel bromine calorimetric determination of the formation enthalpies of sulfides

Recovery of high-grade barite from waste pond materials

Effect of ferric ion on corrosion resistance of zirconium in HCl-AlCl₃ environment

Mechanical properties of oil shale and overlying strata, Naval Oil Shale Reserve, Anvil Points, Colo.

Assessment of environmental impacts associated with phosphogypsum in Florida

Purification of Cl₂-O₂ leach liquors by zinc cementation

Evaluation of the use of foam for dust control on face drills and crushers

Electrowinning nickel and cobalt from domestic laterite processing :preliminary laboratory-scale results

Orifice plate design studies for a multiple-compartment, ion-exchange column

Steels from a variety of ferrous scrap including materials of low quality

Geologic structures in coal mine roof

Preliminary studies on the dewatering of coal-clay waste slurries using a flocculant

High-temperature corrosion resistance of basic refractories to coal and lignite ash slags

Fire detection systems in conveyor belt haulageways

Description and economic evaluation of flue gas desulfurization by the modified citrate process

Laboratory evaluation of the Du Pont P-2500 automatic flow-controlled personal dust sampling pump

Electrochemical studies of platinum-group metals in molten alkali metal cyanides

Restoration of surface vegetation on uranium wastes at Uravan, Colo.

Recovery of cadmium, zinc, and lead from lead smelter flue dusts

Superheated drop vaporization :Halon 1301

Molybdenum removal from concentrator waste water

Stress distribution and pillar design in oil shale retorts

Iron extraction from simulated aluminum nitrate leach liquor

Hydrogenation catalysts from intermetallic compounds

Assessment of subsidence data from the northern Appalachian basin for subsidence prediction

Determination of geologic features associated with linears

Aluminum chloride hexahydrate crystallization by HC1 gas sparging

Effects of temperature on simulated in situ leaching of a chalcopyrite ore

Beneficiation of low-grade California chromite ores

Gravimetric preparation of primary standard gas mixtures in the parts per trillion range

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

Enthalpies of formation of ZnO.2ZnSO₄ and CoSO₄.6H₂O

Vanadium roast-leach dissolution from western phosphate tailings

Aluminum extraction from anorthosite by leaching with hydrochloric acid and fluoride

Electromagnetic radiation from rock failure

Evaluation of REO model BT 300 C-D blasting machine tester

Copper losses and the distribution of impurity elements between matte and silica-saturated iron silicate slags at 1,250⁰ C

Separation of copper-nickel mattes from Duluth gabbro concentrates by flotation and magnetic methods

Underground gob gas drainage during longwall mining

Thermodynamic data for arsenic sulfide reactions

Degasification of the Mary Lee Coalbed, Brookwood, Ala.

Superplasticity in commercial and experimental compositions of magnesium alloy sheet

Chemical equilibria in chlorination of clay

Magnetic properties of alloys containing lanthanum, cobalt, copper, and magnesium

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