Browse TRAIL Inventories

Selective flotation concentration of lead-zinc ores from the Musick and Helena mines, Bohemia District, Oreg.

Beneficiation of Sherman pyromorphite lead ore

Beneficiation of ferberite-scheelite ore from Germania Consolidated Mines, Inc. Stevens County, Wash.

Beneficiation of western phosphate ores

Zirconium-hafnium separation

Flotation of low-grade mercury ores

Flotation of Pacific Northwest chromite ores

Beneficiating manganese oxide ores from the Butte-Philipsburg Federal Stockpile

Selective flotation of fine-grained lead-zinc sulfides from Idaho and Washington

Precipitation and electrodeposition of mercury in caustic solutions

Beneficiation and hydrometallurgical treatment of complex mercury sulfide products

Recrystallization of chrome spinel

Liquidus temperatures of titaniferous slags (in three parts).

Removal of magnesium impurities from phosphate rock concentrates

Utilization of red mud residues from alumina production

Production of high-purity synthetic rutile from a domestic ilmenite concentrate

Synthesis of rutile from domestic ilmenites


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