At RUSREDMET, a dedicated research and mineral processing complex operates to develop integrated technologies for processing natural and secondary raw materials. The complex combines expertise in mineral processing, hydrometallurgy, and process engineering.

Key Competencies

• Development of customized mineral beneficiation process flowsheets

• Engineering design and implementation of processing equipment

• Development of technological regulations and operating procedures

Areas of Expertise

• Beneficiation studies of ores and secondary materials

• Processing of raw materials containing rare, non‑ferrous, and refractory metals

• Application of flotation, gravity, magnetic, and specialized beneficiation methods

• Use of proprietary pilot equipment (AVDV unit, flotation‑jigging machine)

The company has extensive experience in developing and implementing hydrometallurgical processes for a wide range of mineral and secondary raw materials. Our projects focus on improving process efficiency, recovering valuable components from complex raw materials, and upgrading existing industrial operations.

Key Competencies

• Processing technologies for rare‑metal and rare earth concentrates

• Solvent extraction technologies for separation and purification of rare earth elements

• Sorption technologies for metal recovery from complex solutions

• Technologies for production of high‑purity metal compounds

• Engineering design, manufacturing, and implementation of process equipment

• Development of technological regulations for industrial implementation

Areas of Expertise

• Processing of various mineral raw materials

• Separation and solvent extraction purification of mixed rare earth concentrates

• Technologies for producing individual rare earth elements (La, Ce, Pr, Nd, etc.)

• Processing technologies for columbite concentrates

• Nd–Pr separation technologies

• Solvent extraction separation of niobium, tantalum, and titanium

• Technologies for extraction of REE, Y, and Sc from complex solutions

• Purification of REE concentrates obtained from uranium in‑situ leaching solutions

• Sorption recovery of lithium

Implemented Projects

• Processing technology for loparite concentrate producing titanium, tantalum, niobium oxides and mixed rare earth concentrate

• Solvent extraction purification of rare earth concentrates

• Production of individual rare earth compounds (La, Ce, Pr, Nd)

• Sorption recovery technology for rare earth elements

• Integrated processing technology for columbite concentrates of the Zashikhinskoye deposit

• Solvent extraction separation of Nd–Pr concentrate with production of individual Nd and Pr carbonates

• Extraction technologies for REE, Y and Sc from ores of the Tomtor deposit

• Sorption recovery of lithium from formation waters of the Kovykta gas‑condensate field

• Integrated processing of serpentinite

• Technologies for production of potassium and magnesium sulfates and alumina from synnyrite of the Kalyumny area

• Solvent extraction technology for tungsten recovery during processing of ores from the Tyrnyauz tungsten‑molybdenum deposit

• Integrated processing technology for products of hydrochloric acid decomposition of pyrite cinder

• Integrated processing of blast furnace gas cleaning sludge

RUSREDMET develops technologies for the recovery of valuable metals from industrial wastes and secondary raw materials while reducing environmental impact.

Key Competencies

• Development of processing technologies for industrial waste streams

• Engineering design and manufacturing of specialized equipment

• Development of technological regulations and implementation support

Areas of Expertise

• Processing of permanent magnet industry waste

• Recovery of metals from hard‑alloy production waste

• Recovery of valuable components from metallurgical sludges

• Concentration of hydrofluoric acid from industrial effluents

Implemented Projects

• Technology for processing magnet industry waste (Nd‑Fe‑B and Sm‑Co) producing neodymium oxide with 99.995% purity

• Technology for recovery of tantalum and niobium from hard‑alloy production waste

• Technology for tantalum recovery from tantalum alloy production waste with production of 99.95% tantalum oxide

• Technology for production of tungsten oxide from hard‑alloy and heavy‑alloy waste streams

• Technology for concentration of hydrofluoric acid from industrial waste streams using rectification

• Technology for solvent extraction purification of organic acids

• Integrated processing of products from hydrochloric acid treatment of pyrite cinder

The company designs and implements wet gas treatment systems for its own technological processes and for customer facilities.

Key Competencies

• Design and manufacturing of wet gas scrubbing systems

• Development of process regulations and implementation support

• Engineering and supply of gas treatment stations

• Fabrication of equipment from special materials (polymers, alloys, stainless steels)

• Development of custom absorption modules and scrubbers

Areas of Development

• Removal of toxic emissions (Cl₂, HCl, HF, NOₓ, SOₓ, ammonia, organic compounds)

• Recovery of valuable components from gas streams

• Recycling of reagents back into the process cycle

• Ensuring guaranteed environmental performance of gas treatment systems

Implemented Projects

• Technical design for a gas treatment unit used in solvent extraction separation of rare earth elements

• Industrial gas emission treatment from a wide range of hazardous compounds including acid gases, mineral acid vapors, ammonia, hydrocarbons, and other organic substances

Rusredmet develops electrochemical processes for reagent production, solution purification, and recovery of rare metals.

Key Competencies

• Design of specialized electrochemical equipment

• Development of custom pilot units

• Integration of electrochemical processes into industrial flowsheets

Areas of Expertise

• Investigation of kinetics and mechanisms of electrode processes

• Optimization of electrochemical purification and separation regimes

• Targeted selection and development of electrode materials

• Design of electrochemical systems and cells

Implemented Projects

• Technology for production of caustic soda and sulfuric acid solutions from sodium sulfate solutions using electrodialysis during mirabilite processing

• Technology for processing magnet industry waste (Nd‑Fe‑B and Sm‑Co) producing neodymium oxide with 99.995% purity

• Electrochemical reduction of iron producing ferrous sulfate

Rusredmet designs multi-stage processes for producing high-purity chemical and metal compounds.

Key Competencies

• Development of technologies for producing high‑purity materials

• Engineering design, manufacturing, and implementation of equipment

• Development of industrial operating procedures

Areas of Expertise

• Removal of specific impurity classes from metal compounds

• Combination of purification techniques including solvent extraction, sorption, recrystallization, hydrolysis, and calcination

• Production of high‑purity rare metal compounds

Implemented Projects

• Technology for production of neodymium, cerium, and praseodymium compounds

• Technology for production of scandium oxide from scandium concentrate

• Technology for production of vanadium pentoxide from vanadium‑bearing concentrates

• Technology for processing magnet industry waste (Nd‑Fe‑B and Sm‑Co) producing neodymium oxide with 99.995% purity

• Technology for recovery and refining of ruthenium from platinum group metal refining products

Modern resource processing increasingly requires recovery of valuable by‑products from complex raw materials and industrial streams.

Key Competencies

• Development of technologies for by‑product recovery

• Improvement of process flowsheets to increase overall resource utilization

• Engineering design and implementation of processing equipment

• Development of technological regulations and implementation support

Areas of Expertise

• Processing of low‑grade ores and tailings

• Utilization of oil sludges and blast furnace sludges

• Processing of wastes from acid production


Implemented Projects

• Technology for recovery of rare earth elements from extraction phosphoric acid

• Technology for production of scandium oxide from scandium concentrate

• Integrated processing technology for products of hydrochloric acid decomposition of pyrite cinder

• Integrated processing of blast furnace gas cleaning sludge

• Technology for recovery of platinum group metals from solutions generated during reprocessing of spent nuclear fuel