High surface area zirconia
High temperature attack of ores by means of a liquor essentially
High temperature neutralization of laterite leach slurry
Highly efficient calcination of gypsum to hemihydrate
Hot cell purification of strontium-82, 85 and other isotopes fro
Humic flotation of wet process phosphoric acid as a pretreatment
Hydration of lime
Hydrogen peroxide in sulfuric acid extraction of uranium ores
Hydrolyzable titanyl sulphate solutions by decomposition of tern
Hydrometallurgical leaching process and apparatus
Hydrometallurgical process for copper-containing materials
Hydrometallurgical process for extracting copper from chalcopyri
Hydrometallurgical process for extracting metal values from comp
Hydrometallurgical process for extraction of nickel
Hydrometallurgical process for producing zinc oxide
Hydrometallurgical process for recovering iron sulfate and zinc
Hydrometallurgical process for selective dissolution of mixtures
Hydrometallurgical process for separating lead and zinc from oxi
Hydrometallurgical process for the production of beryllium
Hydrometallurgical process for the recovery of lead, silver and