REG - Weir Group PLC - Weir announces alliance with STM Minerals

WeirAnnouncement

27/09/2022 07:00

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RNS Number : 7202A  Weir Group PLC  27 September 2022

Weir and STM Minerals to accelerate sustainable mining

The Weir Group PLC (Weir), a global mining technology leader, announces a new
alliance with Swiss Tower Mills Minerals AG (STM) in which Weir will market
STM's innovative vertical stirred grinding mills for coarse grinding
applications world-wide.

Integrating vertical stirred grinding mills into Weir's minerals processing
flow sheet will provide customers substantial improvements in throughput and
energy efficiency, helping them to meet their productivity and sustainability
goals.

STM's vertical stirred grinding technology is well proven for energy efficient
comminution in the mining market with more than 80 units currently operating
in the hard rock mineral processing industry across the globe. It is used
within the comminution segment of the minerals processing circuit as part of a
series of crushing and grinding processes that create the fine particles from
which minerals can be extracted through floatation.

Comminution is one of the most energy intensive parts of the mine, accounting
for 25% of the final energy consumption of an average mine site. Weir is
already a leader in comminution technologies, such as Enduron® HPGRs which
are driving down energy consumption by around 40% for customers.

This new alliance with STM takes things to the next level, offering the mining
and minerals industry a proven low energy alternative to traditional high
energy consuming tumbling mills. Combining and integrating these energy
efficient technologies into a single, optimised flow sheet will deliver
significant reductions in energy use, driving down costs and carbon emissions.

Commenting on this technology alliance, Ricardo Garib, Weir Minerals
Divisional President said. "Weir and STM share the same vision of enabling
primary resource providers to produce resources in the most sustainable
manner. This is a perfect match of best-in-class technology providers.
Integrating STM mills with Weir's comminution products, which includes
Enduron® high pressure grinding rolls (HPGRs) and Enduron® screens, will
improve throughput and help bring substantial reductions in carbon emissions.
This is a real win-win."

Fritz Moser, STM Chairman, said "Both the HPGR and the STM vertical stirred
mills provide significant energy savings compared to conventional grinding
technologies. Our new supply agreement with Weir will enable us to fast track
the roll out of an innovative flow sheet using STM mills in conjunction with
Weir's Enduron® HPGR."

In order to prove the most beneficial flow sheet for specific projects, STM
has already supplied two vertical test mills to the Weir Minerals HPGR test
facility in Venlo (Netherlands). Weir and STM will be in the unique position
to provide clients combined energy efficient grinding test work of HPGR
followed by STM's vertical stirred mill.

Weir and STM share a passion for implementing Environmental, Social and
Governance (ESG) practices at every level of their organisations. Together,
they are proudly implementing sustainable solutions that benefit the industry,
the communities where they operate and future generations.

 Enquiries:
 Investors: Edward Pears  +44 (0) 141 308 3725
 Media: Sally Jones       +44 (0) 141 308 3666
 Citigate Dewe Rogerson:  +44 (0) 207 638 9571
 Kevin Smith              Weir@citigatedewerogerson.com (mailto:Weir@citigatedewerogerson.com)

 

About The Weir Group PLC

Founded in 1871, The Weir Group PLC is one of the world's leading engineering
businesses with a purpose to make its mining and infrastructure customers'
operations more sustainable and efficient. Weir's highly engineered technology
enables critical resources to be produced using less energy, water and waste
while reducing customers' total cost of ownership. The Group is ideally
positioned to benefit from structural trends that support long-term demand for
its technology including the need for more essential metals to support
economic development and carbon transition. The Group has c.11,000 employees
operating in over 60 countries with a presence in every major mining region of
the world. Find out more at www.global.weir (http://www.global.weir) .

 

Weir's ordinary shares trade on the London Stock Exchange (ticker: WEIR LN)
and its American Depositary Receipts trade over-the-counter in the USA
(ticker: WEGRY).

 

About Swiss Tower Mills Minerals AG

Swiss Tower Mills Minerals AG (www.stmminerals.com) is an innovative company
for grinding in the mineral industry. - The Art of Grinding

 

For more information please contact:

Ralf Hesemann Managing Director

Tel: +41 58 590 3519

Cell: +41 79 369 0085

Email: ralf.hesemann@stmminerals.com

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