Strategic Materials and Recovery Technologies

Capabilities

 

Analytical Instrumentation

Alliance Coal Analytical Laboratory: Ash analysis furnace, total sulfur analyzer, calorimeter, particle size analyzer, dynamic and static viscometers, fume hood, microscopes, load cell for compressive strength analysis of small specimens; environmental chambers for atmospheric control of experiments; thermo-gravimetric analyzer (TGA), digital scanning calorimeter.

Surface Chemistry Analytical Laboratory: Goniometer for contact angle measurements, zeta potential analyzer, surface tensiometer (Du Noüy ring), Shimadzu 1280 UV-Vis spectrophotometer for surfactant concentration measurements; turbidity meter.

Analytical chemistry: inductively coupled plasma-optical electron spectroscopy (ICP-OES)

 

Mineral Processing

Crushing, Grinding and Sample Preparation: Hardgrove grindability tester, hammer mill, Holmes 10 x 15 hammer-mill crusher, 5-inch by 6-inch jaw crusher, Chipmunk jaw crusher, roll crusher, riffle, ball mill, pro-splitter table and vibratory feeder, Gilson testing screens, Ro-tap sieve shakers, suitable sieves, sieve cleaner, gyratory screen separator, Draiswerke pulverizing system, Holmes pulverizer, variety of scales and balances, Buehler polishing table, Retsch SM 200 Cutting Mill, Amerishred AMS 300HD Dual Head Hard Drive Shredder; barrel handling equipment. Dust-generating equipment is appropriately enclosed and vented; equipment used on potentially explosive materials is shielded and sealed to guard against electrical spark.

Drying Room: Controlled ovens that conform with ASTM standards for air drying solids.

Dust-generating equipment is appropriately enclosed and vented; equipment used on potentially explosive materials is shielded and sealed to guard against electrical spark.

Unit Processing Laboratory (wet): Deister table, Mozley table, Cimbria Heid dry air table separator, 18 x 24 commercial jig, 4 x 6 jig, Carpco portable laboratory cyclone unit, Krebs and Weir dense medium cyclone system instrumented with data acquisition and computer control, Krebs and Multotec classifying cyclones, Multotec concentrating spiral, fluidized-bed separator, Franz isodynamic separator, Eriez Drum magnetic separator, Eriez High Intensity Wet Magnetic Separator, Davis Tube magnetic separator, high tension electrostatic separator, batch and continuous flotation cells (Denver, Wemco,

Hazen-Quinn), flotation columns, float/sink equipment, batch pressure filters, wet-vac wet sieve tester, air-jet sieve, slurry splitter, centrifuge, batch vacuum filter, high pressure plate filters, continuous laboratory thickener, process control instrumentation, variety of mixers, sumps and pumps.

 

Extractive Metallurgy

Leaching/Solvent Extraction Laboratory: Batch and continuous counter-current leaching systems, column leaching systems, batch and continuous counter-current solvent extraction systems, stirred autoclaves and pressure leaching vessels, gas fueled rotary kilns; 3D printer for rapid prototyping, potentiostat for electrochemical experimental techniques.

 

Metal Making

Electrowinning cell