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Ertis Hydrometallurgical Plant (Updated)
Project ID:
905202532
Project Name:
Ertis Hydrometallurgical Plant (Updated)
Project Sector:
Mining & Metallurgy
Photo source:
Project Description
The Ertis Hydrometallurgical Plant is a state-of-the-art pressure oxidation (POX) facility under development by Solidcore Resources plc (formerly Polymetal International). Located within the Pavlodar Special Economic Zone in Kazakhstan, the plant is designed to process refractory gold concentrates, which make up over 80% of the company’s mineral reserves.
The Ertis POX facility will utilize cutting-edge processing technologies to produce high-purity Dore bars containing up to 98% gold. The project plays a strategic role in Solidcore’s vertical integration efforts, aiming to reduce reliance on third-party processing, increase operational efficiency, and enhance value retention within Kazakhstan.
Once operational, Ertis POX will be among the most advanced gold concentrate processing plants in Central Asia and will be the first of its kind at this scale in Kazakhstan. The facility is designed to support long-term sustainable operations in line with international environmental and safety standards.
Project Phase:
Procurement & Construction
Investment Value:
978 000 000 $
Location:
Pavlodar, Казахстан
Start Date:
10/1/2024
End Date:
1/1/2028
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Other important details
Capacity: Designed to process up to 300,000 tonnes of concentrate per year.
Employment Impact: Expected to create approximately 500 permanent jobs and over 1,000 jobs during the construction phase.
Environmental Considerations: The facility will incorporate a Cyanide Management System and pursue certification under the Cyanide Code upon commissioning.
Publication/Revision Date:
11/13/2025