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Current Status of Low-Grade Minerals and Mine Wastes Recovery: Reaction Mechanism, Mass Transfer, and Process Control
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This reprint is tightly related to minerals engineering. The solution mining (heap leaching, in situ leaching, etc.) offers an environmentally friendly, low-cost, and efficient method to extract these minerals, especially copper sulfides (chalcopyrite, chalcocite, etc.), sandstone uranium, and sandstone gold deposits. After years of development, solution mining has made great progress, but it has also encountered some technical bottlenecks. To better understand the current status of low-grade minerals and mine wastes recovery, we carefully collected 13 contributions in this Special Issue, which are mainly divided into following three aspects:· Reaction mechanisms of chemical/bio-leaching—includes the leaching kinetics of copper sulfides, assisted leaching (chloride acidic leaching, iodide assisted leaching, etc.), in situ leaching of uranium and salt deposits, etc.· Process detection, characterization, and visualization—includes the detection of reaction products, visualization of fluid flow and mass transfer, pore strucutre characterization of leaching systems (ore-packed beds, etc.), microbial successions of leaching bacteria, etc.· Recovery, recycle, and reuse of mine wastes—includes cleaner leaching, disposal or production methods (dump leaching, etc.), the recovery of mine waste (waste rock, tailings, etc.), assessment of operations problems, etc.
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Keywords
- 3Dmine–Rhino3D–FLAC3D coupling
- acoustic emission (AE)
- agglomerated heap
- backfilling mining
- bioleaching
- cassiterite
- damage constitutive model
- displacement deformation
- downhole uranium mining
- energy dissipation
- energy dissipation mechanism
- environmental pollution
- feasibility
- floc microstructure
- flocculating sedimentation
- flow behavior
- fluid flow
- fractal dimension
- froth flotation
- gem mining waste
- gray value
- heap leaching
- History of engineering & technology
- hysteresis behavior
- influencing factors of roof connection
- liquid holdup
- liquid retention
- low-grade ore
- Magnesium Slag
- magnesium slag-based cementitious materials
- Mechanical properties
- metal recovery
- metallurgical methods
- microcrack evolution
- mineral liberation
- mineralogical characteristics
- Mining technology & engineering
- n/a
- Other technologies & applied sciences
- particle size characteristics
- physicochemical properties
- pollucite
- process mineralogy
- quantitative mineralogy
- Rare-Earth Elements
- RCF layered composite material (RCF)
- REE
- regulation and improvement of roof-connection measures
- resource utilization
- rock–backfill composite materials (RBCM)
- roof-contacted rate
- solid-waste filling
- solute transport
- Sri Lankan gems
- stepwise irrigation
- stope stability
- stress distribution
- subsidence area
- tailing
- tailing management
- tailings
- Technology, engineering, agriculture
- Technology: general issues
- tube
- ultrafine tailing
- underground mining
- unsaturated packed bed
- uranium
- uranium leaching
- X-ray phase studies
Links
DOI: 10.3390/books978-3-0365-7970-2Editions