119241 ⎘
Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated ; in inorganic salt solutions other than ammonium salt solutions Nitric acids or salts thereof
METHODS FOR EXTRACTING CRITICAL MINERALS FROM SEDIMENTARY ROCK
#2PROCESS AND SYSTEM FOR LITHIUM PRODUCTION
#3A Process and System for Extracting Rare Earth Elements Using High Pulp Density Cracking
#4PROCESS AND SYSTEM FOR LITHIUM PRODUCTION
#5METHOD FOR RECOVERING RARE EARTH METAL
#6PROCESS AND SYSTEM FOR LITHIUM PRODUCTION
#7SYSTEMS AND PROCESSES FOR THE RECOVERY OF 226Ra FROM PHOSPHOGYPSUM
#8In Situ Leaching of Copper From Porphyry Copper Ore Bodies Through Stimulated Natural Fracture Networks
#9SYSTEMS AND METHODS FOR RECYCLING ENERGY STORAGE DEVICES
#10CONTINUOUS DISSOLUTION REACTOR
#11An integrated method and system for trivalent actinides and lanthanides separation and trivalent actinides mutual separation
#12MATERIALS PROCESSING IN SOLAR MODULE RECYCLING
#13PROCESS AND SYSTEM FOR LITHIUM PRODUCTION
#14PROCESS AND SYSTEM FOR LITHIUM PRODUCTION
#15METHOD AND ELECTROCHEMICAL SYSTEM FOR RECYCLING SPENT LITHIUM-ION BATTERY
#16SYSTEMS AND PROCESSES FOR RECOVERY OF HIGH-GRADE RARE EARTH CONCENTRATE FROM ACID MINE DRAINAGE
#17PREPARATION OF RARE EARTH METALS AND OTHER CHEMICALS FROM INDUSTRIAL WASTE COAL ASH
#18PROCESS FOR CO-PRODUCING LITHIUM, ALUMINUM, AND SILICON-OXYGEN (Si-O) MATERIALS
#19Materials processing in solar module recycling
#20Process for extracting lithium, aluminum, and silicon materials from a hard rock source
#21METHOD FOR SELECTIVE EXTRACTION OF GOLD BY NIACIN
#22PROCESSING OF TITANIFEROUS ORES AND MINERALS
#23METHOD FOR RECOVERING VALUABLE MATERIAL FROM PEROVSKITE SOLAR CELL
#24SUPERCRITICAL FLUID-ENHANCED SELECTIVE EXTRACTION OF RARE EARTH ELEMENTS
#25OXIDATIVE HEAP LEACHING OF BASE METALS
#26Method for extracting rare earth elements from rare earth element hyperaccumulator
#27PROCESSING FOR THE EXTRACTION OF RARE EARTH ELEMENTS
#28COMPOSITIONS AND SYSTEMS FOR SELECTIVE LITHIUM LEACHING AND RELATED METHODS
#29Process for the recovery of zinc from zinc-bearing raw materials
#30MULTI-DIMENSIONAL LIGAND-ASSISTED CHROMATOGRAPHY METHOD FOR THE PURIFICATION OF RARE EARTH ELEMENTS AND OTHER METAL IONS FROM WASTE MAGNETS
#31METHOD FOR SELECTIVE SEPARATION OF THORIUM AND CERIUM FROM A SOLID CONCENTRATE COMPRISING SAME AND ONE OR MORE FURTHER RARE EARTH METALS AND ACIDIC RARE EARTH SOLUTION THEREOF
#32Rare earth enrichment process by contacting raw material with a base at specific pH values
#33INTEGRATED METHOD FOR THE COMMERCIAL AND INDUSTRIAL UTILISATION OF CALCIUM SULPHATE WHILST OBTAINING RARE EARTH ELEMENTS FROM THE PRODUCTION OF PHOSPHORIC ACID
#34RECOVERY OF NOBLE METALS
#35SYSTEMS AND PROCESSES FOR RECOVERY OF HIGH-GRADE RARE EARTH CONCENTRATE FROM ACID MINE DRAINAGE
#36SYSTEMS AND PROCESSES FOR RECOVERY OF HIGH-GRADE RARE EARTH CONCENTRATE FROM ACID MINE DRAINAGE
#37Sealed cobalt leaching device, reagent for cobalt leaching, method using device, use of method
#38Preparation of rare earth metals and other chemicals from industrial waste coal ash
#39Methods of producing enriched scandium-47, and related systems and apparatuses
#40METHOD FOR RECOVERING GOLD AND COPPER FROM ELECTRONIC COMPONENTS
#41Method for cleanly extracting metallic silver
#42Method of Mineral Recovery
#43Selective removal of noble metals using acidic fluids, including fluids containing nitrate ions
#44Process for purifying and concentrating rare earths from phosphogypsum
#45PRODUCTION OF FINE GRAIN MAGNESIUM OXIDE AND FIBROUS AMORPHOUS SILICA FROM SERPENTINITE MINE TAILINGS
#46Rare earth metal oxide process including extracting rare earth metal from acidic solution with an ionic liquid composition
#47Recovery of precious metals from copper anode slime
#48SYSTEMS AND PROCESSES FOR RECOVERY OF HIGH-GRADE RARE EARTH CONCENTRATE FROM ACID MINE DRAINAGE
#49SELECTIVE REMOVAL OF NOBLE METALS USING ACIDIC FLUIDS, INCLUDING FLUIDS CONTAINING NITRATE IONS
#50Method for producing high-purity scandium oxide
#51Systems and processes for recovery of high-grade rare earth concentrate from acid mine drainage
#52Method for clean metallurgy of molybdenum
#53METHOD FOR SEPARATING COPPER, NICKEL, AND COBALT
#54Methods for recovery of rare earth elements from coal
#55Systems for acid digestion processes
#56Methods for making zeolites
#57PROCESS FOR THE PREPARATION OF A CONCENTRATE OF METALS, RARE METALS AND RARE EARTH METALS FROM RESIDUES OF ALUMINA PRODUCTION BY BAYER PROCESS OR FROM MATERIALS WITH A CHEMICAL COMPOSITION SIMILAR TO SAID RESIDUES, AND REFINEMENT OF THE CONCENTRATE SO OBTAINED
#58Preparation of rare earth metals and other chemicals from industrial waste coal ash
#59Recovery of lithium from silicate minerals
#60Selective removal of noble metals using acidic fluids, including fluids containing nitrate ions
#61Useful method for separating light rare earth elements and heavy rare earth elements
#62Method of producing titanium from titanium oxides through magnesium vapour reduction
#63Acid digestion processes for recovery of rare earth elements from coal and coal byproducts
#64Use of amino-containing neutral phosphine extractant in extraction and separation of thorium and process of using same
#65Processing for the extraction of rare earth elements
#66Using method of waste silicon slurry and products obtained therefrom
#67Recovery of lithium from silicate minerals
#68Manganese Ore Beneficiation Process
#69Method of purifying yttrium
#70Molybdenum recovery from aqueous nitric acid solution by solvent extraction
#71Monazite and apatite paragenetic ore enrichment method
#72WET BASED FORMULATIONS FOR THE SELECTIVE REMOVAL OF NOBLE METALS
#73Method for crushing hard tungsten carbide scraps
#74COPPER PROCESSING METHOD
#75Leach aid for metal recovery
#76Methods for extracting rare-earth metals and preparing gypsum plaster from phosphogypsum hemihydrate
#77Method of Recovering Nickel or Cobalt While Mitigating Corrosion
#78Monazite ballast separation and recovery method
#79Method for recovering rare earth metals from solid minerals and/or by-products of solid mineral processing
#80Process for recovering metal values from oxides of manganese-containing materials
#81Method for processing ash, particularly fly ash
#82Rare earth element recovery method
#83Process for the recovery of gold from an ore in chloride medium with a nitrogen species
#84Process for reprocessing spent nuclear fuel not requiring a plutonium-reducing stripping operation
#85OXYGEN TORCH RECLAMATION OF METALS WITH NITRIC ACID RECOVERY
#86Process for production of commercial quality potassium nitrate from polyhalite
#87Polyhalite IMI process for KNOproduction
#88Method for extracting rare earth elements from phosphogypsum
#89Rhenium recovery
#90Method for recovering nitric acid and purifying silver nitrate electrolyte
#91SUSTAINABLE RECOVERY OF METAL COMPOUNDS
#92Method of precious metal recovery
#93PROCESS FOR THE RECOVERY OF PRECIOUS METALS FROM USED AND/OR DEFECTIVE CATALYTIC CARRIERS
#94Method for Recovering Gold, Silver, Copper and Iron from Plasma-Caused Slag Containing Valuable Metals
#95Method for recovering catalytic elements from fuel cell membrane electrode assemblies
#96METHOD FOR THE TREATMENT AND REUSE OF A STRIPPER SOLUTION
#97Method of recovering metal values from ores
#98Nickel-laterite process
#99Recycling process for moulded catalyst bodies
#100Ultrasonic counter-current screw extractor for uranium recovery
#101Method for recovering metal from ore
#102Metal recovery
#103Method of precious metal recovery
#104Process for Removal of the Catalytic Coating Material from Spent, Defective or Unused Metal Support Catalytic Converters
#105Iron oxide precipitation from acidic iron salt solutions
#106METHOD FOR TREATING HEAVY METALS FROM AN EFFLUENT CONTAINING CHELATING AGENTS (EDTA, CDTA, OR CITRATE)
#107Method for recovering noble metals from metallic carrier catalytic device
#108Apparatus and method for recovering rare-earth and noble metals from an article
#109Hydrometallurgical process for the treatment of metal-bearing sulfide mineral concentrates
#110Method for processing sulfide minerals and concentrates
#111Ultrasonic counter-current screw extractor for uranium recovery and process therefore
#112Method of separating and purifying Yttrium-90 from Strontium-90
#113Metallurgical dust reclamation process
#114Rotational stop
#115Cleaning tantalum-containing deposits from process chamber components
#116Comprehensive utilization method of beneficiation-metallurgy-chemical combination for germanium-rich lignite