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Building|PROJECT|Resources|Sustainable|Underground|Water|Environmental|Operations
Building|PROJECT|Resources|Sustainable|Underground|Water|Environmental|Operations
building|project|resources|sustainable|underground|water|environmental|operations

Rosh Pinah Zinc water treatment plant successfully commissioned

12th May 2026

By: Creamer Media Reporter

     

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Investment adviser to long-term value-focused private capital funds Appian Capital Advisory has announced the successful commissioning of a water treatment plant at Rosh Pinah Zinc (RPZ) – an operating underground zinc/lead mine in Namibia.

Appian, which acquired RPZ in 2023, says the plant is a key component of the mine's sustainability strategy as part of its RP2.0 expansion project. The plant retreats and recycles process water, significantly reducing dependency on water from the Orange river.

By recycling process water at scale, the water treatment plant reduces RPZ’s environmental footprint and supports the long-term sustainability of the operation and the surrounding communities that depend on shared water resources.

The commissioning of the water treatment plant follows the recent commissioning of Namibia’s first paste backfill plant at RPZ and represents another operational advancement as part of the RP2.0 expansion project, Appian says.

“Commissioning the water treatment plant is an important step in delivering on our environmental commitments as we scale the operation under RP2.0. Responsible water management is critical to both our operations and environmental, social and governance standards. This milestone demonstrates our commitment to building a sustainable, long-term operation with a high standard of environmental stewardship,” comments Appian base metals head Ignacio Bustamante.

The RP2.0 expansion project is now over 90% complete, on schedule and on budget, with completion expected by the end of this year.

Edited by Chanel de Bruyn
Creamer Media Online Managing Editor

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