Australia’s St George Mining hires Técnicas Reunidas to process rare earths in Brazil

The two companies have entered into a strategic engineering partnership under which Técnicas Reunidas will conduct processing tests on high-concentration rare earths at the project being developed by St. George Mining in Araxá, a municipality in the state of Minas Gerais.
Araxá is the largest hard-rock rare earth deposit in South America and one of the largest in the world.
Técnicas Reunidas will contribute its proprietary technology, called RARETECH®, to the project, which enables the production of rare earth concentrates in the form of carbonates from ores.
At the end of last February, the Spanish company also reached an agreement with the Australian firm Osmond Resources to provide RARETECH® technology for the European Union’s first comprehensive rare earth production project, which is being developed in Jaén.
RARETECH® is part of Técnicas Reunidas’ portfolio of proprietary technologies for the recovery of critical raw materials, rare earths, and other products that the Spanish company has already supplied or submitted for bidding in the United States, Japan, Austria, Switzerland, Australia, Spain, South Africa, Brazil, and Turkey.
 

The Australian company St George Mining Limited has announced the signing of a memorandum of understanding (MoU) with Técnicas Reunidas under which it will contract the Spanish company to conduct sample processing tests at the rare earth deposit in Araxá, a town in the Brazilian state of Minas Gerais.

St George Mining is the 100% owner of this high-grade niobium and rare earths deposit, which is the largest hard-rock deposit in South America and one of the largest in the world. In fact, it is also larger than the main rare earths mine in the U.S., located in the California town of Mountain Pass.

The Australian company, which specializes in developing critical mineral recovery projects, has described the agreement as a “strategic engineering partnership to access cutting-edge European rare earth processing technology.” In particular, it has highlighted the proprietary technological solutions that Técnicas Reunidas has developed for the recovery of critical materials and, more specifically, the fact that it is the lead company in the EU-funded PERMANET project, which aims to create the first European value chain for the manufacture of permanent magnets.

Scope of Técnicas Reunidas’ work

The initial scope of the work to be carried out by Técnicas Reunidas will consist of applying RARETECH® technology for the refining of rare earth mineralization, including the production of mixed carbonate and rare earth oxides, and for the separation and fractionation of rare earth elements.

Additionally, there is a possibility that St George Mining may request additional work from Técnicas Reunidas, which would include the design of a flow diagram and an industrial plant for rare earth processing operations, among other tasks.

St George Mining, which already has its Brazil project in an advanced stage of development and has half a dozen more in Australia, has emphasized that the engagement of Técnicas Reunidas has the potential to open European markets to Araxá’s rare earths and joins the strategic alliances the Australian company has already signed with REalloys in the U.S. and with MagBras in Brazil.

John Prineas, CEO of St George Mining, stated that “we are very excited to work with Técnicas Reunidas to further evaluate the optimal processing route for Araxá’s rare earths, as their reputation and experience in this type of activity is unmatched.”

Técnicas Reunidas’ proprietary technologies for the recovery of critical materials

It is worth noting in this regard that, at the end of last February, the Spanish company also reached an agreement with the Australian firm Osmond Resources to provide RARETECH® technology for the European Union’s first comprehensive rare earth production project, which is being developed in an area of over 220 square kilometers located in the north of the province of Jaén.

RARETECH® is part of the wide range of technological solutions that Técnicas Reunidas has developed, through its In-House Technology Development Division and its Technology Center, for the recovery, processing, and refining of critical minerals and essential metals, as well as other products generated through the circular economy. These in-house technological solutions are already implemented or are being bid on in markets in the United States, Japan, Austria, Switzerland, Australia, Spain, South Africa, Brazil, and Turkey, among other countries. 

In addition, the company actively participates in the development of national and international projects related to critical raw materials, particularly within the framework of the Misiones Programs of the Center for Industrial Technological Development (CDTI) of the Ministry of Science, Innovation, and Universities, and the Horizon program of the European Union.

About Técnicas Reunidas

Técnicas Reunidas is a global engineering firm that has developed more than 2,600 projects in over 70 countries throughout its 66-year history. 

It specializes in the design and construction of large industrial plants dedicated primarily to the production of clean fuels, natural gas, and chemical products. 

The company is also at the forefront of technologies and solutions related to the energy transition, the circular economy, and the decarbonization of facilities. 

With a workforce of nearly 14,000 employees, most of whom are highly qualified engineers, Técnicas Reunidas’ headquarters in Spain is a major center of engineering excellence. 

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