Saudi mining giant Maaden has commissioned Metso, a global leader in sustainable gold processing technologies, to supply a gold processing plant for its Ar Rjum mine located in the Makkah region, approximately 200 km northeast of Ta’if, Ar Rjum. 

Advisory services for equipment installation, commissioning, and start-up are also included in the delivery under a separate Service contract, which will be booked later.  

Metso’s delivery includes an end-to-end gold processing line from ore to doré consisting of a crushing station, related conveying systems, a grinding circuit including SAG and ball mills with auxiliary equipment, pre-leaching and CIL leaching circuit and final tailings thickeners, gravity separation circuit, elution plant and gold room technologies. 

In addition, Metso will provide process electrification, field instrumentation and automation, as well as detailed engineering for the processing plant.  

The order value is approximately €128 million ($149 million), of which €24 million ($28 million) was booked in the Minerals segment’s 2025 third-quarter order intake, and €104 million ($121 million) in the fourth quarter. 

Advisory services for equipment installation, commissioning and start-up are also included in the delivery under a separate Service contract, which will be booked later.  

On the contract win, Piia Karhu, President, Minerals at Metso, said: "We are honoured to be Maaden’s partner in this landmark project, which not only strengthens our long-standing collaboration but also aligns closely with Saudi Arabia’s national strategy to expand and diversify its mining industry."

"By delivering advanced, sustainable gold processing solutions and comprehensive services, Metso is proud to support the kingdom’s vision for increased gold production and responsible resource development," he stated. 

Headquartered in Espoo, Finland, Metso is a frontrunner in sustainable technologies, end-to-end solutions and services for the aggregates, minerals processing and metals refining industries globally. It offers complete, end-to-end solutions that cover every stage from ore to doré. 

The Finnish group has had a local presence in the Middle East for over 25 years. The company views the region as a growth market due to its mineral resources and infrastructure development needs. 

Metso said its local team is geared up to provide value added solutions to the customer in process technologies, as well as long term life cycle service support..-TradeArabia News Service