119323 ⎘
Obtaining noble metals by wet processes
METHOD AND APPARATUS FOR ELECTROWINNING COPPER USING AN ATMOSPHERIC LEACH WITH FERROUS/FERRIC ANODE REACTION ELECTROWINNING
#302Method for recovering indium, silver, gold and rare, precious and base metals from complex oxide and sulfide ores
#303Process of leaching gold
#304Method of recovering gold from dilute gold solution
#305Aqueous leaching process for recovery of precious metals with addition of di-thiooxamide ligand
#306Method of leaching copper and gold from sulfide ores
#307Adsorbent and method of collecting precious metal using the same
#308Co-current and counter current resin-in-leach in gold leaching processes
#309Method and apparatus for leaching metal from mining ore
#310Alkaline and acid pressure oxidation of precious metal-containing materials
#311Methods for production of silver nanostructures
#312Method of oxidative leaching of sulfide ores and/or concentrates
#313ENHANCED RECOVERY OF GOLD
#314Ionic liquid solvents of perhalide type for metals and metal compounds
#315Metal recovery method using protonemata of moss plants
#316EXTRACTION OF GOLD FROM CATHODE ASSOCIATED GOLD CONCENTRATES
#317METHOD FOR PROCESSING PRECIOUS METAL SOURCE MATERIALS
#318METATHETIC COPPER CONCENTRATE ENRICHMENT
#319Method for recovering nitric acid and purifying silver nitrate electrolyte
#320Improving the recovery of precious metals from recalcitrant refractory ore
#321METHOD FOR SORPTION RECOVERY OF PRECIOUS METALS
#322Process for gold and silver leaching with thiourea solutions
#323Method for aqueous gold thiosulfate extraction using copper-cyanide pretreated carbon adsorption
#324Compound, metal extractant, and application of the same
#325Methods for the production of silver nanowires
#326Processes for the recovery of ruthenium from materials containing ruthenium or ruthenium oxides or from ruthenium-containing noble metal ore concentrates
#327Separation of copper minerals from pyrite using air-metabisulfite treatment
#328Method for thiosulfate leaching of precious metal-containing materials
#329Separation reagent of platinum group metal, method for separating and recovering platinum group metal, and amide-containing tertiary amine compound
#330Picolylamine resins
#331PROCESS FOR RECOVERING METALS FROM RESINS
#332Rare metal extractant
#333Separation of fine particle precious metals from clays and other gangue materials through application of diluted solution of a silicon chemical
#334Carbon retention screen with variable discharge head
#335Method for the Recovery of Gold from a Gold-Containing Solution
#336PRODUCTION OF METAL NANOPARTICLES
#337Isolable and redispersable transition metal nanoparticles their preparation and use as IR absorbers
#338Process for recovering platinum group metals from ores and concentrates
#339Method for separation and recovery of noble metals
#340Enrichment process for a PGM-metals containing stream
#341Recycling of solids in oxidative pressure leaching of metals using halide ions
#342Method for recovering metal values from refractory sulfide ore
#343Method of separating rhodium from platinum and/or palladium
#344Process for manufacture of nanometric, monodisperse, stable metallic silver and a product obtained therefrom
#345Apparatus for removing ruthenium from solution containing platinum group metal
#346Method for thiosulfate leaching of precious metal-containing materials
#347Method of recovering silver using anion-exchange resin
#348Process for extracting gold from gold-bearing ore
#349Method for thiosulfate leaching of precious metal-containing materials
#350SEPARATION REAGENT OF PLATINUM GROUP METAL, METHOD FOR SEPARATING AND RECOVERING PLATINUM GROUP METAL, AND AMIDE-CONTAINING TERTIARY AMINE COMPOUND
#351Precious metal recovery from solution
#352Reduction of lime consumption when treating refractory gold ores or concentrates
#353Zeolite supported metallic nanodots
#354Flotation reagents and flotation processes utilizing same
#355RECYCLING OF SOLIDS IN OXIDATIVE PRESSURE LEACHING OF METALS USING HALIDE IONS
#356Synthesis of PtCo nanoparticles
#357Solid/liquid reaction process and vessel incorporating buoyant covers
#358Processing of Metal Values from Concentrates
#359Extraction process for metals like gold and platinum including fine grinding, pulping and oxygenating
#360SEPARATION AND RECOVERY OF PRECIOUS METALS USING POLYMER MATERIALS
#361Metal extraction without cyanide
#362SILVER NANOWIRE, PRODUCTION METHOD THEREOF, AND AQUEOUS DISPERSION
#363Method for recovering metal from ore
#364Process of leaching gold
#365Preparation of stable silver colloids
#366PRE-TREATMENT OF FEED TO NON-STIRRED SURFACE BIOREACTOR
#367INTRODUCTION OF MICROORGANISMS IN BIO-ASSISTED HEAP LEACHING OPERATIONS
#368Methods for the production of silver nanowires
#369PROCESSES FOR THE RECOVERY OF RUTHENIUM FROM MATERIALS CONTAINING RUTHENIUM ORRUTHENIUM OXIDES OR FROM RUTHENIUM-CONTAINING NOBLE METAL ORE CONCENTRATES
#370Method and apparatus for electrowinning copper using an atmospheric leach with ferrous/ferric anode reaction electrowinning
#371MINERAL EXTRACTION SYSTEM AND PROCESS
#372Metal extraction from various chalcogenide minerals through interaction with separate electric fields and magnetic fields supplied by electromagnetic energy
#373Method for recovering gold
#374MICROBIAL PRE-TREATMENT OF DOUBLE REFRACTORY GOLD ORES
#375PROCESS FOR RECOVERING PLATINUM GROUP METALS, RHENIUM AND GOLD
#376Fluorescent polymethine cyanine dyes
#377Recovery of precious metals and their compounds from natural quartz ore using sodium silicate manufacturing techniques
#378Templates for controlling synthesis of nanoparticles into discrete assemblies
#379Process for mercury control during pressure oxidation
#380METHOD FOR EXTRACTING METALS FROM ORE
#381Process for controlling acid in sulfide pressure oxidation processes
#382Method to improve recovery of gold from double refractory gold ores
#383Method for the recovery of gold from sulphide concentrate
#384Method for recovering metal values from refractory sulfide ore
#385Apparatus for removing ruthenium from solution containing platinum group metal
#386Method of precious metal recovery
#387Method of biotreatment for solid materials in a nonstirred surface bioreactor
#388Method of biotreating a solid material comprising an organic compound
#389Sequential lixivation and precipitation of metals from refractory ores by utilising variable oxidation reduction potentials and a variable PH system
#390SEPARATION AND RECOVERY OF PRECIOUS METALS USING POLYMER MATERIALS
#391Method for recovering rhodium
#392Metal recovery from a tank bioleaching solution with the use of coated magnetic particles
#393Silver platelets comprising palladium
#394Separation apparatus
#395Separation of platinum group metals
#396METHOD FOR WASHING FILTRATION MEMBRANES
#397Gold and silver recovery from polymetallic sulfides by treatment with halogens
#398Process for recovering platinum group metals, rhenium and gold
#399Method for thiosulfate leaching of precious metal-containing materials
#400Method for leaching gold
#401Method for manufacturing metal nanoparticles
#402Silver powder and method for producing same
#403Methods for production of silver nanostructures
#404Process for reduced alkali consumption in the recovery of silver
#405Process for Gold and Silver Leaching with Thiourea Solutions
#406Thiosulphate Leach Process
#407Method for recovering rhodium and silver from hydrochloric acid
#408Extractant for palladium and method for separation and recovery of palladium
#409Thiosulfate generation in situ in precious metal recovery
#410Process for recovering platinum group metals from ores and concentrates
#411Method for recovering metal values from concentrates of sulfide minerals
#412Methods and apparatus for processing mixtures of liquids and solids
#413Hydrometallurgical process for the treatment of metal-bearing sulfide mineral concentrates
#414Method for thiosulfate leaching of precious metal-containing materials
#415Method for improving metals recovery using high temperature pressure leaching
#416Production of metal nanoparticles
#417Treatment of base metal concentrate by a two-step bioleaching process
#418Recovery of platinum group metals
#419Method of separation/purification for high-purity silver chloride, and process for producing high-purity silver by the same
#420Recovering metals from sulfidic materials
#421Process for preparing silver deposited carbon covered alumina catalyst
#422Electrogenerated chlorine or chloride compound leaching and its apparatus
#423METHOD FOR PROCESSING ELEMENTAL SULFUR-BEARING MATERIALS USING HIGH TEMPERATURE PRESSURE LEACHING
#424Metal nanoparticle compositions
#425Gold-based alloy nanoparticles for use in fuel cell catalysts
#426Separation of metal nanoparticles
#427Method for processing sulfide minerals and concentrates
#428Method for recovery of nonferrous, rare and precious metals from robust minerals
#429Reduction of lime consumption when treating refractor gold ores or concentrates
#430Carbon-intersticed metallic palladium, palladium catalyst and method for preparation thereof, and method for producing alpha,beta-unsaturated carboxylic acid
#431Silver microribbon composition and method of making
#432Silver nanoparticles made in solvent
#433Introduction of microorganisms in bio-assisted heap leaching operations
#434Processing of acid-consuming mineral materials involving treatment with acidic biooxidation effluent
#435Silver crystals through Tollen's reaction
#436Separation of platinum group metals
#437Method for refining concentrate containing precious metals
#438Heap leach process
#439Silver powder and method for producing same
#440Metallic colloid particles and process for producing same
#441Silver powder made of silver particles, each to which fine silver particles adhere and process of producing the same
#442Composition formed of mercaptans which can be used in a process for the flotation of ores
#443Process for phase transfer of hydrophobic nanoparticles
#444Method for processing elemental sulfur-bearing materials using high temperature pressure leaching
#445Method for improving metals recovery using high temperature pressure leaching
#446Adsorbent for recovering useful rare metals by adsorption
#447Separation and recovery of precious metals using polymer materials
#448Method and apparatus for the electrodissolution of elements
#449Method of biotreatment for solid materials in a nonstirred surface bioreactor
#450Recovery of natural nanoclusters and the nanoclusters isolated thereby
#451Process for mutual separation of platinum group metals
#452Method for recovering metal values from concentrates of sulfide minerals
#453Polymetallic-ore beneficiation and separation reagent, preparation method and use thereof
#454Concentrated synthesis of monodispersed gold nanorods
#455Strategic metal and mineral element ore processing using mixing and oxidant treatment
#456Rotary interstage screen apparatus
#457Molecularly imprinted polymer beads for extraction of metals and uses thereof
#458Synthesis of metal nanoparticles using an extract of terfeziaceae
#459Functionalized silica for the synthesis of metal nanoparticles
#460Method for synthesizing metal nanowires in anodic alumina membranes using solid state reduction