The mine is decommissioned by workers or contractors who take apart the mining processing facilities and equipment which is cleaned to be stored or sold Buildings are repurposed or demolished warehouse materials are recovered and waste is disposed of
·Carbon mineralization process can be divided into three steps including CO 2 dissolution and dissociation silicate dissolution and carbonate precipitation The dissolution and dissociation of CO 2 is a function of temperature pressure and salinity Mohammadian et al 2023 while the dissolution and precipitation processes of basalt
·A major limitation to achieving the full CDR potential is the economic cost of mining crushing and grinding basalt and applying BD on targeted areas the conservative assumption of no
2 ·Mining Underground Safety Techniques When any ore body lies a considerable distance below the surface the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive and underground techniques must be considered Counting against underground mining are the costs
·Rock weathering is a key process in global elemental cycling Life participates in this process with tangible consequences observed from the mineral interface to the planetary scale Multiple
·Surficial carbon mineralization on the other hand is referred to a process in which dilute or concentrated CO 2 fluids react with alkaline sources at the surface of tailings or smelter slags Here mining wastes such as mafic/ultramafic rocks offer good reactivity due to a high surface to volume ratio Kelemen et al 2019
·From this process a total of 35 g of Mg OH 2 was produced from 100 g of olivine with 1 g of Mg OH 2 added in the silica precipitation stage Approximately 5 g of iron oxide was precipitated
·Basalt is a common extrusive volcanic rock An inert rock found worldwide basalt is the generic term for solidified volcanic lava Safe and abundant basalt rock has long been known for its
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