119175 ⎘
Preliminary treatment of ores or scrap Removing sulfur, phosphorus or arsenic other than by roasting
METHOD FOR RECOVERING RARE EARTH ELEMENTS FROM RARE EARTH RAW MATERIALS INCLUDING RARE EARTH ELEMENTS
#2METHODS FOR EXTRACTING RARE EARTH ELEMENTS FROM ION-ADSORPTION CLAYS
#3Alkaline Oxidation Methods and Systems for Recovery of Metals from Ores
#4MINERAL PROCESSING METHOD
#5METHOD FOR PRODUCING LOW-ARSENIC COPPER CONCENTRATE
#6Systems And Methods For Aqueous Recovery Of Lead From Lead Acid Batteries With Reduced Electrolyte Demand
#7METHOD FOR REMOVING PHOSPHORUS FROM PHOSPHORUS-CONTAINING SUBSTANCE, METHOD FOR MANUFACTURING RAW MATERIAL FOR METAL SMELTING OR RAW MATERIAL FOR METAL REFINING, AND METHOD FOR MANUFACTURING METAL
#8Systems and methods for aqueous recovery of lead from lead acid batteries with reduced electrolyte demand
#9PROCESSING ORES CONTAINING PRECIOUS METALS
#10Selective sulfidation and desulfidation
#11RECOVERY OF METALS FROM PYRITE
#12Method and system for desulfurization and dezincification of tailings
#13Alkaline oxidation methods and systems for recovery of metals from ores
#14Peptide binding to arsenic-containing mineral and use thereof
#15Process for the depression of iron sulphides and other disposable elements in the concentration of mineral by flotation and electrochemical reactor
#16Cationic flotation of silica and apatite from oxidized iron ores at natural pH
#17Low acidity, low solids pressure oxidative leaching of sulphidic feeds
#18Method for reducing arsenic content in arsenic-bearing gold material
#19Biotechnological procedure to remove magnetic sulfur impurities from iron concentrate ores
#20Process and reactor for arsenic fixation
#21Method for vitrification of arsenic and antimony
#22Enhanced metal recovery through oxidation in liquid and/or supercritical carbon dioxide
#23BIOTECHNOLOGICAL PROCEDURE TO REMOVE MAGNETIC SULFUR IMPURITIES FROM IRON CONCENTRATE ORES
#24Leaching of minerals
#25Process for recovery of copper from arsenic-bearing and/or antimony-bearing copper sulphide concentrates
#26Removal of arsenic using a dissimilatory arsenic reductase
#27Method of leaching arsenic from ore comprising copper
#28Integrated process for production of ozone and oxygen
#29Process for producing direct reduced iron (DRI) utilizing gases derived from coal
#30Method for producing ferroalloy containing nickel
#31Process and equipment for the production of direct reduced iron and/or pig iron from iron ores having a high-phosphorus content
#32Method for producing ferroalloy containing nickel
#33Process and equipment for the production of direct reduced iron and/or pig iron from iron ores having a high-phosphorus content
#34Recovery of rare earth elements
#35MICROBIAL PRE-TREATMENT OF DOUBLE REFRACTORY GOLD ORES
#36Process for reduced alkali consumption in the recovery of silver
#37Arsenic removal from lead concentrate by ozone treatment and reverse flotation