PROCESS FOR EXTRACTING TANTALUM AND NIOBIUM FROM AN AQUEOUS ACIDIC SOLUTION

METAL COMPOUND, METAL RECOVERY ELECTRODE, AND METHOD FOR RECOVERING METALS FROM SPENT ELECTRODES

METHODS FOR RECOVERING A TARGET METAL FROM IRON OR STEEL SLAG USING AT LEAST ONE OF A CARBOTHERMIC REDUCTION PROCESS AND A PYRO-HYDROMETALLURGICAL PROCESS

ALKALI MICROWAVE EXTRACTION

METHOD 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

EFFICIENT RECYCLING OF E-WASTE BY ENERGY LANDSCAPE INVERSION

Method for liquefying niobium and tantalum, and method for producing niobium solution and tantalum solution

A METHOD FOR ENRICHING NIOBIUM AND TITANIUM IN A MINERAL CONTAINING IRON, NIOBIUM AND TITANIUM AND A USE OF A NICKEL-CONTAINING SUBSTANCE

Method and Equipment for Comprehensive Utilization of Niobite

TANTALUM BASED ALLOY THAT IS RESISTANT TO AQUEOUS CORROSION

Niobium-based alloy that is resistant to aqueous corrison

Method for extracting a refractory metal from an ore, a concentrate or a waste product

Methods for recovering a target metal from iron or steel slag using at least one of a carbothermic reduction process and a pyro-hydrometallurgical process

Tantalum based alloy that is resistant to aqueous corrosion

System and method of concentrating niobium ore

Tantalum based alloy that is resistant to aqueous corrosion

Niobium-based alloy that is resistant to aqueous corrosion

FLAKED TANTALUM POWDER AND PREPARATION METHOD THEREOF

Method for recovering a minor metal and/or rare-earth metal

Process for refining niobium-based ferroalloys

PROCESSES FOR REFINING NIOBIUM-BASED FERROALLOYS

Tantalum based alloy that is resistant to aqueous corrosion

Process for extracting and recovering tantalum present in an acid aqueous phase by means of an ionic liquid, and use of such an ionic liquid for extracting the tantalum from an acid aqueous phase

Recovery of rare earths from concentrates containing fluorine

System and a method for metallurgical extraction of rare earth elements and niobium

Niobium-based alloy that is resistant to aqueous corrosion

Process for recovering primary metal residue from a metal-containing composition

Methods for synthesizing high purity niobium or rhenium powders

Tantalum based alloy that is resistant to aqueous corrosion

Method of producing metallic tantalum

Treatment of titanium ores

Leaching of minerals

PROCESSES FOR RECOVERING TANTALUM AND NIOBIUM WITH CARBON TETRACHLORIDE

Processes for producing tantalum alloys and niobium alloys

Method for preparing tantalum powder of capacitor grade with high nitrogen content, tantalum powder of capacitor grade prepared thereby, and anode and capacitor prepared from tantalum powder

Niobium based alloy that is resistant to aqueous corrosion

Process for producing tantalum alloys

Valve metal and valve metal oxide agglomerate powders and method for the production thereof

Magnetoelectric effect material and method for manufacturing same

Niobium powders having a particle shape

Method for producing metal powders

DISSOLUTION AND RECOVERY OF AT LEAST ONE ELEMENT NB OR TA AND OF AT LEAST ONE OTHER ELEMENT U OR RARE EARTH ELEMENTS FROM ORES AND CONCENTRATES

Tantalum recovery method

Retrieval of high value refractory metals from alloys and mixtures

Method for recovering tantalum

Treatment of minerals

Inorganic compounds

Fine grain niobium sheet via ingot metallurgy

Treatment of titanium ores

Method for producing metal powders

APPARATUS FOR PRODUCTION OF METALLIC SLAB USING ELECTRON BEAM, AND PROCESS FOR PRODUCTION OF METALLIC SLAB USING THE APPARATUS

METHOD FOR THE PRODUCTION OF TANTALUM POWDER USING RECLAIMED SCRAP AS SOURCE MATERIAL

Production of nanocrystalline metal powders via combustion reaction synthesis

Valve metal and valve metal oxide agglomerate powders and method for the production thereof

Method of manufacturing superconducting radio-frequency acceleration cavity

NANOSIZE STRUCTURES COMPOSED OF VALVE METALS AND VALVE METAL SUBOXIDES AND PROCESS FOR PRODUCING THEM

Processes for preparing valve metal powders, powders prepared thereby and uses therefor

Method for production of niobium and tantalum powder

TANTALUM BASED ALLOY THAT IS RESISTANT TO AQUEOUS CORROSION

METHOD OF TREATING METALLIFERROUS MATERIALS

Niobium based alloy that is resistant to aqueous corrosion

NIOBIUM BASED ALLOY THAT IS RESISTANT TO AQUEOUS CORROSION

Process for heat treating metal powder and products made from the same

Fine particle recovery methods for valve metal powders

Capacitor powder

Chemical beneficiation of raw material containing tantalum-niobium

Method for the production of tantalum powder using reclaimed scrap as source material

Tantalum powder and methods of manufacturing same

Tantalum based alloy that is resistant to aqueous corrosion

Processes for preparing valve metal powders, powders prepared thereby and uses therefor

PRODUCTION OF HIGH-PURITY TANTALUM FLAKE POWDER

Porous anode bodies comprising niobium suboxide and capacitors containing such anode bodies

Inorganic compounds

Method of production of tantalum powder with low impurity level

Tantalum powder for the production of solid electrolyte capacitors

Production of valve metal powders

Deoxidation of Valve Metal Powders

Method for the production of niobium and tantalum powder

Fine grain niobium sheet via ingot metallurgy

Process for heat treating metal powder and products made from the same

Valve metal powders

Method of preparing primary refractory metal

Method for producing metal powder and formed product of raw material for metal

Process for the production of niobium and/or tantalum powder with large surface area

Magnesium removal from magnesium reduced metal powders

Niobium powder, process for producing the same and solid electrolytic capacitor therefrom

Method for preparing metal powder and method for evaluating raw material or diluting salt for use therein

Capacitor containing high purity tantalum

Tantalum sputtering target and method of manufacture

Metalothermic reduction of refractory metal oxides

High purity niobium and products containing the same, and methods of making the same

Purification method for producing high purity niobium compound and/or tantalum compound

Conversion of TaOto Ta metal

Method of manufacturing niobium and/or tantalum powder

Method of purifying niobium compound and/or tantalum compound

Purification method for producing high purity niobium compound and/or tantalum compound

Capacitor powder

Porous metals and metal coatings for implants

Cleaning tantalum-containing deposits from process chamber components

Materials fabrication method and apparatus