119238 ⎘
Extraction of metal compounds from ores or concentrates by wet processes by leaching
Sub-classes:SYSTEMS AND METHODS FOR MONITORING METAL RECOVERY SYSTEMS
#2MANTLE, COVER OR SHEET FOR THE DISTRIBUTION AND/OR EXTRACTION OF A FLOW TO AND/OR FROM A LEACHING PILE
#3AUTOMATIC SHEETING-AND-TUBING LAYING ATTACHMENT
#4CRUSHING, DISSOLUTION, AND SEPARATION TECHNIQUES FOR LITHIUM-BEARING MATERIALS
#5RARE EARTH ELEMENT EXTRACTION AND RECYCLING
#6METHODS AND APPARATUS FOR PRODUCTION OF RARE EARTH ELEMENTS FROM COAL AND CLAY ORES
#7METHOD FOR IMPROVING PARTICLE SIZE AND MORPHOLOGY OF NEUTRALIZER FOR LATERITE NICKEL ORE HYDROMETALLURGY
#8GLOBAL PROCESS FOR OBTAINING LITHIUM SULFATE MONOHYDRATE ORE WITH LOW CONTENTS OF IMPURITIES ASSOCIATED WITH CHLORINE AND MAGNESIUM
#9METHODS OF MAKING UPGRADED SYNTHETIC RUTILE
#10METHOD FOR RECOVERING LITHIUM AND METHOD FOR PROCESSING LITHIUM ION SECONDARY BATTERY
#11SYSTEMS AND METHODS FOR SUBSURFACE METAL RECOVERY
#12METHOD FOR EXTRACTING LITHIUM FROM LITHIUM-CONTAINING MATERIAL
#13HEAP LEACHING
#14METHOD FOR RECOVERING VALUABLE MATERIALS FROM LITHIUM ION SECONDARY BATTERIES
#15SYSTEMS AND METHODS FOR IMPROVED RAFFINATE INJECTION
#16BENEFICATION OF MANGANESE-BEARING ORE
#17EXTRACTION OF ELEMENTS AND/OR COMPOUNDS FROM IRON-CONTAINING MATERIALS SUCH AS IRON-CONTAINING TAILINGS, RECOVERY OF MAGNETICALLY SUSCEPTIBLE MATERIALS, AND RELATED SYSTEMS AND PRODUCTS
#18VANADIUM RECOVERY
#19Process and apparatus for recovering rare earth elements from coal refuse
#20METHOD FOR IRRIGATING A POROUS SUBSTRATE USING A FOAM, AND THE USES THEREOF
#21SYSTEM AND METHOD FOR DETERMINING CHANGES TO A HEAT PROFILE OF A STOCKPILE
#22CALCIUM HYDROXIDE PRECIPITATION IN AN ELECTROLYTIC REACTOR WITH HYDRODYNAMIC SEPARATION
#23METHOD AND APPARATUS FOR PRODUCING TREATED BRINE COMPOSITION WITH REDUCED HYDROGEN SULFIDE
#24PREPARATION METHOD FOR HIGH-ADSORPTION-CAPACITY GRANULAR TITANIUM-BASED LITHIUM ION SIEVE ADSORBENT
#25BATTERY RECYCLING
#26METAL-DISSOLVING APPARATUS, PROCESSES, AND USES THEREOF
#27METHODS FOR PURIFYING AND RECYCLING LEAD FROM SPENT LEAD-ACID BATTERIES
#28SYSTEMS AND METHODS FOR IMPROVEMENT OF METAL RECOVERY AND STABILITY OF PILES
#29ALKALI MICROWAVE EXTRACTION
#30METHOD OF EXTRACTING LITHIUM FROM SPODUMENE AND MEANWHILE RECOVERING LOW IRON AND LOW SULFUR SILICON ALUMINUM MICRO-POWDER, HIGH PURITY GYPSUM, TANTALUM NIOBIUM CONCENTRATE AND LITHIUM RICH IRON MATERIAL
#31Leaching Method
#32ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL METAL RECOVERY FROM RAW MATERIALS CONTAINING NICKEL
#33ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL HYDROXIDE RECOVERY FROM RAW MATERIALS CONTAINING NICKEL
#34ALL-IN-ONE NICKEL RECOVERING METHOD FOR RECOVERY OF NICKEL OXIDE FROM RAW MATERIALS CONTAINING NICKEL
#35GEOTHERMALLY POWERED PYROMETALLURGICAL COPPER PRODUCTION
#36Geothermally Powered Hydrometallurgical Zinc Production
#37PROCESSING OF MINING FEEDSTOCKS USING KINETIC PULVERIZATION AND SEPARATION
#38METHOD FOR RECYCLING IRON ORE TAILING AND USE THEREOF
#39PROCESS FOR CONCENTRATING LITHIUM AND POTASSIUM FROM CLAYS FROM SALT FLATS
#40CARBON DIOXIDE BASED MINING FOR CARBON NEGATIVE MINERAL RECOVERY
#41COAL AND RARE EARTH RECOVERY METHOD AND SYSTEM
#42COMPOSITIONS AND METHODS FOR LITHIUM REMOVAL
#43METHOD OF LEACHING METAL-CONTAINING MATERIALS
#44PROCESSES FOR RECOVERING METALS FROM BLACK MASS
#45AUTOMATED METHOD AND DEVICE FOR PRODUCTION OF LEAD 212 FOR USE IN TARGETED ALPHA-PARTICLE THERAPY
#46ARRANGEMENT AND METHOD FOR AIR-INDUCED EVAPORATION AND COOLING
#47SEQUENTIAL TREATMENT PROCESS FOR THE HEAP LEACHING OF PRIMARY AND SECONDARY COPPER SULPHIDES
#48METHOD FOR EXTRACTING LITHIUM FROM CATHOD ACTIVE MATERIALS IN SPENT LITHIUM-ION BATTERIES USING NEUTRAL AQUEOUS SOLUTION AND METHOD FOR SELECTIVELY EXTRACTING LITHIUM FROM CATHOD ACTIVE MATERIALS IN SPENT LITHIUM-ION BATTERIES USING CARBONATED WATER
#49SYSTEMS AND METHODS FOR CLOSED-LOOP RECYCLING OF A LIQUID COMPONENT OF A LEACHING MIXTURE WHEN RECYCLING LEAD FROM SPENT LEAD-ACID BATTERIES
#50LITHIUM RECOVERY FROM LITHIUM-ION BATTERIES
#51HYDROMETALLURGICAL METHOD FOR RECOVERING LITHIUM FROM LITHIUM-CONTAINING MINERAL AND LITHIUM AQUEOUS SOLUTION RECOVERED THEREFROM
#52Lithium Extraction Process and Apparatus
#53AUTOCLAVE AND PRESSURE OXIDATION METHOD
#54Lithium extraction process and apparatus
#55RECOVERY OF METAL FROM LEACH PROCESSING
#56METHOD FOR RECYCLING HYDROPHOBIC DEEP EUTECTIC SOLVENT AND NICKEL LEACHING METHOD
#57METHODS FOR TREATING LITHIUM-CONTAINING MATERIALS
#58SYSTEMS AND METHODS FOR IMPROVED RAFFINATE INJECTION
#59SYSTEMS AND METHODS FOR SUBSURFACE METAL RECOVERY
#60Methods for purifying and recycling lead from spent lead-acid batteries
#61PROCESS FOR GOLD AND/OR PLATINUM GROUP METALS HEAP LEACHING WITH LIME
#62SYSTEM AND METHOD FOR DETERMINING CHANGES TO A HEAT PROFILE OF A STOCKPILE
#63PROCESS FOR RECOVERING PRECIOUS METAL FROM AN AQUEOUS SOLUTION
#64ULTRAFAST FLASH JOULE HEATING SYNTHESIS METHODS AND SYSTEMS FOR PERFORMING SAME
#65Systems and methods for improvement of metal recovery and stability of piles
#66RECOVERING RARE EARTH ELEMENTS AND OTHER TRACE METALS FROM CARBON-BASED ORES
#67METHOD FOR RECOVERING LITHIUM AND METHOD FOR PRODUCING LITHIUM CARBONATE
#68SUPERCRITICAL FLUID-ENHANCED SELECTIVE EXTRACTION OF RARE EARTH ELEMENTS
#69HEAP LEACHING
#70SYSTEMS AND METHODS FOR MONITORING METAL RECOVERY SYSTEMS
#71METHOD FOR PRODUCING MIXED METAL SOLUTION AND METHOD FOR PRODUCING MIXED METAL SALT
#72SULPHIDE OXIDATION IN LEACHING OF MINERALS
#73Process of Rare Earth Recovery from Ores Containing Bastnaesite
#74METHOD FOR RECOVERING LITHIUM AND METHOD FOR PROCESSING LITHIUM ION SECONDARY BATTERY
#75METHODS FOR TREATING LITHIUM-CONTAINING MATERIALS
#76METHOD FOR EXTRACTING LITHIUM BY MEANS OF EXTRACTION-BACK EXTRACTION SEPARATION AND PURIFICATION
#77PROCESSING GOLD-CONTAINING ORES
#78Systems and methods for monitoring metal recovery systems
#79Lithium extraction process and apparatus
#80METHOD AND DEVICE FOR RECOVERING METAL BY LEACHING
#81Generation of rare earth elements from organically-associated leach solutions
#82METHOD FOR RECOVERING COPPER, MOLYBDENUM, AND PRECIOUS METALS FROM SILICATE-CONTAINING ORE
#83METHODS AND APPARATUS FOR COUNTER-CURRENT LEACHING OF FINELY DIVIDED SOLIDS
#84POND REACTOR FOR RECOVERY OF METALS
#85Method of producing lithium hydroxide from lithium concentrate through sodium sulfate addition and roasting
#86Methods for treating lithium-containing materials
#87Battery recycling
#88APPARATUS, METHOD AND SYSTEM FOR MONITORING
#89Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries
#90OPTIMIZED BIOPROCESSING METHOD
#91Systems and methods for monitoring metal recovery systems
#92Material and its method for rapid eluting in an ionic rare earth ore leaching site
#93Activation system and method for enhancing metal recovery during atmospheric leaching of metal sulfides
#94Process for obtaining vanadium oxide from a gasifier slag field
#95Methods for purifying and recycling lead from spent lead-acid batteries
#96Carbothermic direct reduction of chromite using a catalyst for the production of ferrochrome alloy
#97Reactor for gas-liquid mass transfer
#98Methods and apparatus for counter-current leaching of finely divided solids
#99Method for recovering valuable elements from precombustion coal-based materials
#100Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries
#101Method for decomposing medium-/low-grade scheelite
#102Method for pre-treatment of gold-bearing oxide ores
#103PROCESSING METHODS AND PROCESSING APPARATUS
#104Methods for treating lithium-containing materials
#105System and methods for in situ recovery and processing of recovered solutions
#106Sequestration of macronutrients from anaerobic wastewater treatment with iron- and steel-making slags
#107Ionic liquid solvents of perhalide type for metals and metal compounds
#108Process for separation of antimony and arsenic from a leach solution
#109Processes and systems for regenerating alkali process streams
#110Ion exchange resins selective for the complexation of univalent anions in aqueous solutions
#111Hydrometallurgical process and method for recovering metals
#112Systems and methods for monitoring metal recovery systems
#113System and method for above-atmospheric leaching of metal sulfides
#114Method and apparatus for liquid/solid separation such as dewatering particulate solids and agitation leaching
#115Heap leaching
#116Method for recovering gold
#117Systems and methods for improvement of metal recovery and stability of piles
#118Beneficiation of values from ores with a heap leach process
#119Removal of organic solvents from aqueous process streams
#120Heap leaching
#121METHODS AND SYSTEMS FOR CONTROLLING IMPURITY METAL CONCENTRATION DURING METALLURGIC PROCESSES
#122Low acidity, low solids pressure oxidative leaching of sulphidic feeds
#123Recovery of scandium values through selective precipitation of hematite and basic iron sulfates from acid leachates
#124Systems and methods for monitoring metal recovery systems
#125System for recovering minerals from the seabed
#126METHOD OF REMOVING YTTRIUM FROM YTTRIUM-CONTAINING EUROPIUM OXIDE
#127Selective separation of elements or commodities of interest in aqueous streams
#128Stabilization process for an arsenic solution
#129Method for pre-treatment of gold-bearing oxide ores
#130Electrolytic system for precipitating metals and regenerating the oxidising agents used in the leaching of metals, scrap metal, metal sulphurs, sulphide minerals, raw materials containing metals from solutions from leaching, including a process for combining the precipitation and the oxidation in a single step, eliminating the steps of filtration, washing, transportation and manipulation of highly toxic reagents
#131Method of leaching copper from copper sulfide ore and method of evaluating iodine loss content of column leaching test of the copper sulfide ore
#132Methods for rapidly leaching chalcopyrite
#133Method for recovering gold from activated carbon
#134Systems and methods for monitoring metal recovery systems
#135Activation system and method for enhancing metal recovery during atmospheric leaching of metal sulfides
#136Systems and methods for purifying and recycling lead from spent lead-acid batteries
#137Methods for purifying and recycling lead from spent lead-acid batteries
#138Hydrometallurgical process for the recovery of copper, lead or zinc
#139Process for metal extraction with sorption leaching in wet solids
#140System and method for enhanced metal recovery during atmospheric leaching of metal sulfides
#141METHOD FOR PLATINUM RECOVERY FROM MATERIALS CONTAINING RHENIUM AND PLATINUM METALS
#142System and method for controlling frothing during atmospheric leaching of metal sulphides using silicates
#143Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries
#144Method for platinum recovery from materials containing rhenium and platinum metals
#145Method for recovering cyanide from a barren solution
#146Method for processing packing material to recover aluminium
#147Systems and methods for changing the chemistry in heaps, piles, dumps and components
#148Utilization of temperature heat adsorption skin temperature as scale control reagent driver
#149METHOD FOR TREATING SULFIDE-FREE MINERALS
#150Ion exchange resins selective for the complexation of univalent anions in aqueous solutions
#151Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrate
#152Process for recovering value metals from ore
#153Leach aid for metal recovery
#154Systems and processes for recovering scandium values from laterite ores
#155Processing methods and processing apparatus
#156Method for neutralizing sulfuric acid acidic solution and hydrometallurgical method for nickel oxide ore
#157Method and System for Preparing High Purity Lithium Carbonate
#158Method and apparatus for recovering sodium from sodium-sulfur battery
#159Producing a titanium product
#160Energy and water recovery from pressure oxidation flash vessel steam
#161Hydrometallurgical System and Process Using an Ion Transport Membrane
#162Systems and methodologies for direct acid leaching of scandium-bearing ores
#163Treatment process for recovery and separation of elements from liquors
#164Methods of producing a titanium product
#165Method for producing a solid scandium-containing material of enhanced scandium content
#166Systems and methods for isolating a particulate product when recycling lead from spent lead-acid batteries
#167Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries
#168Methods for purifying and recycling lead from spent lead-acid batteries
#169Systems and methods for purifying and recycling lead from spent lead-acid batteries
#170METHOD AND ARRANGEMENT FOR REDUCING AUTOFLASH AND SLURRY CARRYOVER IN AUTOCLAVE FLASH SYSTEMS
#171Method and apparatus for liquid/solid separation such as dewatering particulate solids and agitation leaching
#172Heap leaching
#173Top-entry flash vessel arrangement
#174Apparatus and method for stripping solder metals during the recycling of waste electrical and electronic equipment
#175Brine leaching process for recovering valuable metals from oxide materials
#176Apparatus and method for stripping solder metals during the recycling of waste electrical and electronic equipment
#177Method for metal production
#178Systems and methods for recovery of metals and components
#179Methods and systems for controlling impurity metal concentration during metallurgic processes
#180Hydrometallurgical process using multi-stage nanofiltration
#181Metal leach and recovery process
#182Hydrometallurgical process and method for recovering metals
#183SYSTEM AND METHOD FOR IMPROVED LEACH STOCKPILE DRAINAGE
#184Autoclave apparatus used during high-pressure acid leaching process
#185Flash vessel and method for operating same
#186Application of lactam as solvent in nanomaterial preparation
#187Method of recovering rare-earth elements
#188Method for extracting and separating rare-earth element
#189Hydrometallurgical process for the recovery of tellurium from high lead bearing copper refinery anode slime
#190Method for operating flash vessel
#191Utilization of temperature heat adsorption skin temperature as scale control reagent driver
#192Neutralization method and neutralization plant
#193Dezincification plant, method for operating dezincification plant, and hydrometallurgical method for nickel oxide ore
#194Vertical drainage system for heap leach piles
#195Method for pre-treatment of gold-bearing oxide ores
#196Treatment of sulphidic materials
#197Methods to recover cesium or rubidium from secondary ore
#198Methods to recover cesium or rubidium from secondary ore
#199Process of leaching precious metals
#200Treatment of indium gallium alloys and recovery of indium and gallium
#201Heap leaching
#202Method of leaching copper ore
#203Metals recovery from mining heap leach ore
#204Heap leaching aeration system
#205Method For Controlling Solids/Liquid Decant Unit Operations And Systems
#206METHOD AND APPARATUS FOR ELECTROWINNING COPPER USING AN ATMOSPHERIC LEACH WITH FERROUS/FERRIC ANODE REACTION ELECTROWINNING
#207Heap leaching
#208Heap leach operations
#209Method and apparatus for leaching metal from mining ore
#210Methods for agglomerating ores
#211Ionic liquid solvents of perhalide type for metals and metal compounds
#212METALS RECOVERY FROM MINING HEAP LEACH ORE
#213IN SITU ORE LEACHING USING FREEZE BARRIERS
#214Hydrometallurgical process and method for recovering metals
#215Method and apparatus for temperature control in a reactor vessel
#216PRODUCTION OF METAL PRODUCTS DIRECTLY FROM UNDERGROUND ORE DEPOSITS
#217System and Method for Leaching a Metal from a Base Mineral Rock
#218Extraction process for metals like gold and platinum including fine grinding, pulping and oxygenating
#219Hybrid irrigation system
#220INTRODUCTION OF MICROORGANISMS IN BIO-ASSISTED HEAP LEACHING OPERATIONS
#221Method and apparatus for electrowinning copper using an atmospheric leach with ferrous/ferric anode reaction electrowinning
#222Fluorescent polymethine cyanine dyes
#223Method to improve recovery of gold from double refractory gold ores
#224Method and apparatus for ore processing
#225Method for industrial manufacture of pure MgCOfrom an olivine containing species of rock
#226Pressure leaching system and method
#227Leaching process
#228Exothermic pressure leach autoclave circuits
#229Aluminum Production Process
#230Method and apparatus for solar heating a leach solution
#231Methods for processing crushed solids with a liquid within a vessel
#232Method for controlling oxygen when separating minerals from a slurry
#233Heap leaching
#234Method for heap and dump leaching coupled with solvent extraction for metal recovery
#235Introduction of microorganisms in bio-assisted heap leaching operations
#236Heap leach process
#237Method and apparatus for heating a slurry to a predetermined temperature
#238Method for inhibiting oxidation of metal sulfide-containing material
#239Acid/microwave leaching of titanium ore and then flotation to recover titanium oxide concentrate
#240Method for improving particle size and morphology of neutralizer for laterite nickel ore hydrometallurgy
#241Dual-packer injection leaching system and method