Ma’aden selects Metso to deliver a gold processing plant to Ar Rjum mine

Saudi Arabian Mining Company (Maaden) has commissioned Metso to supply a gold processing plant for its Ar Rjum mine located in the Makkah region, approximately 200 km northeast of Ta’if.

The order value is approximately €128 million, of which €24 million was booked in the minerals segment’s 2025 third-quarter order intake, and €104 million in the fourth quarter, Metso said. Advisory services for equipment installation, commissioning and start-up are included under a separate service contract, which will be booked later, it added.

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.

“We are honored 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,” said Piia Karhu, president of Metso’s minerals segment.

“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.”