Scholarlink

The MorenciMorenci copper concentrateCopper concentrate leach plant (CLP) was initially commissioned and operated in late 2007, using partial sulfideSulfide oxidation and medium-temperature direct electrowinningElectrowinning conditions. The plant was shut down in mid-2008, primarily due to low copperCopper prices. Favorable copperCopper economics and the additional benefit of acid production for heap leachHeap leach operationsOperation justified refurbishment and recommissioning of the plant in May 2015. The recommissioning included assessment and modifications to operate using complete sulfideSulfide oxidation, high-temperature conditions (HT). An initial capacity assessment study in 2021 identified an opportunity to increase the CLP capacity from the currentCurrent operationsOperation at 22 t/h (24 st/h) to 36 t/h (40 st/h) without modifying the two autoclavesAutoclave, known on site as pressure leach vessels (PLV). Additional studies identified significant modifications required for the off-gas circuit and oxygen plant capacity, as well as other less significant modifications throughout the other plant areas. EngineeringEngineering, procurement and constructionConstruction management (EPCM) of the MorenciMorenci CLP expansion project was initiated in early 2023, with the goal of beginning constructionConstruction in early 2025 and ramp-up by mid-2025. This paper provides an overview of the MorenciMorenci CLP expansion project modifications.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Expanding Capacity at the Morenci Copper Concentrate Pressure Leach Plant

  • 会议论文

  • 发表日期：

    2025年

查看全文
  • A. Banda,
  • R. D. Frischmuth

摘要

The MorenciMorenci copper concentrateCopper concentrate leach plant (CLP) was initially commissioned and operated in late 2007, using partial sulfideSulfide oxidation and medium-temperature direct electrowinningElectrowinning conditions. The plant was shut down in mid-2008, primarily due to low copperCopper prices. Favorable copperCopper economics and the additional benefit of acid production for heap leachHeap leach operationsOperation justified refurbishment and recommissioning of the plant in May 2015. The recommissioning included assessment and modifications to operate using complete sulfideSulfide oxidation, high-temperature conditions (HT). An initial capacity assessment study in 2021 identified an opportunity to increase the CLP capacity from the currentCurrent operationsOperation at 22 t/h (24 st/h) to 36 t/h (40 st/h) without modifying the two autoclavesAutoclave, known on site as pressure leach vessels (PLV). Additional studies identified significant modifications required for the off-gas circuit and oxygen plant capacity, as well as other less significant modifications throughout the other plant areas. EngineeringEngineering, procurement and constructionConstruction management (EPCM) of the MorenciMorenci CLP expansion project was initiated in early 2023, with the goal of beginning constructionConstruction in early 2025 and ramp-up by mid-2025. This paper provides an overview of the MorenciMorenci CLP expansion project modifications.