Electrochemical elimination of nickel from lead containing chlor
Electrolytic separation of cerium/rare earth values
Electrostatic enrichment of trona and nahcolite ores
Elevated pressure operation in the cuprion process
Elimination of undesirable volatile organic byproducts of an...
Elution process and apparatus and extraction of particulate mate
Energy conserving limestone calcining system
Energy recovery method and system for combined sulphuric acid an
Enhanced hydrometallurgical recovery of cobalt and nickel from l
Enhanced leaching of minerals which form product layers
Enhanced recovery of sodium carbonate from NaCl-containing sodiu
Enhanced selectivity in the separation of nickel and cobalt from
Enrichment of minerals by flotation and collector agents employe
Enrichment of silicon or germanium isotopes
Entrained downflow chlorination of fine titaniferous material
Entrained-flow chlorination of fine titaniferous materials
Enzymatic processing of materials containing chromium and protei
Enzymatic reduction and precipitation of uranium
Equilibrium production of sodium carbonate from sodium bicarbona
Essentially complete recovery of uranium, yttrium, thorium and r