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The nine-month agreement is with contract partner PT Amman Mineral Industri, part of copper and gold producer PT Amman Mineral Nusa Tenggara.
The contract's scope includes design of the entire smelter with engineering based on Outotec's Flash Smelting and Flash Converting technology. It will include an electrolytic refinery and slag concentrator, as well as a precious metals refinery, wet gas cleaning and a Lurec sulphuric acid plant.
An effluent treatment plant and associated infrastructure are also part of the FEED agreement.
Once the smelter is in operation, it will mainly process Indonesian copper concentrate.
"PT Amman Mineral Industri set the overriding design criteria to be proven technology that fulfills the strict international environmental standards," Outotec metals, energy and water business head Kalle Härkki said. "We are happy to help them to meet their sustainability goals."
