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Aerojet Rocketdyne, now part of L3Harris, is constructing the Aerojet Waste Consolidation Unit, a 50-acre Class II Landfill with a 1,000,000 cubic yard capacity, on a former 100-acre dump in Sacramento County, California. The project involves building a new landfill on an old, unregulated dump, using on-site materials, and minimizing the impact on existing waste. The landfill will feature a double liner system with a volatile organic compound collection layer. The project required extensive regulatory approval and documentation, with construction of the first cell beginning in late 2023 and ongoing as of November 2024.
This paper presents a case study of a 2,500 tpd operation, summarizing the observational method approach applied before and after startup to refine tailings characterization, placement, handling, and compaction specifications.
Learn MoreAt first glance, heap leaching can appear an extremely simple technology; however, without proper characterisation, engineering and design, heap leaching faces significant issues that can affect the overall economic viability of the project.
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