nuclear power plants, serpentinite concretes, radiation changes in volume and strength, influence mineral composition and structure 1. Introduction In Russian Federation, the Water-Water Energetic Reactors (WWER/ VVER) have got radiation-heat "dry" protection of serpentinite concrete around the nuclear reactors. [1, 2]. The "dry" protection gets
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The mining regions of southern Québec have a large deposit of serpentinite residues. The current study examines the suitability of serpentinite mining residues to use as feedstock material for ...
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(i) serpentinite with no more than trace amounts of Ca-bearing minerals as detected by XRD, (ii) non-serpentinite, and (iii) serpentinite with minor amounts of Ca-bearing minerals as de-tected by XRD. We then present Ca st, Mg st, Ca e, Mg e, the Ca e/ Mg e ratio, and the Ca st/Mg st ratio vs. plant leaf Ca (Ca p) content to test the hypothesis ...
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The global serpentinite market size is projected to witness significant growth from 2023, with a valuation at approximately USD 3.2 billion, and is expected to reach around USD 4.8 billion by 2032, demonstrating a compound annual growth rate (CAGR) of 4.5% over the forecast period.
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So-called serpentinite concrete (i.e. made with serpentine-based rocks) has been already studied [9] in respect to proper mixing proportions and methods of handling before its extensive use in the shields of Enrico Fermi Atomic Power Plant at Monroe, Michigan. Further applications of serpentinite concrete for reactor radiation shielding have been restricted until …
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Serpentine soils are generally unfavorable for plant growth due to their poor physical and chemical properties (Kristy et al. 2005; Rajakaruna and Boyd 2014; Kumar et al. 2017). They have low ...
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Soil extractable Ca content was influenced by parent material mineralogy: soils with a Ca/Mg ratio of 0.2 or less were derived from serpentinite parent materials with only trace Ca-bearing minerals; soils with a Ca/Mg ratio >1.0 were derived from non-serpentinite parent materials, and soils with a Ca/Mg ratio from 0.2 to 1.0 were derived from ...
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Among them, ultramafic mining residues offer a good alternative (Goff and Lackner, 1998). A range of mining residues can be used such as those from chrysotile, diamond, nickel and chromite mining operations. More generally, tailings containing abundant magnesium-silicates and low acid generating sulfide minerals are suitable (Wilson et al., 2009).
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aspects of acid treatment of serpentinite waste from mining and processing of chrysotile asbestos. A study of the ... plants, etc.) is based on the carbonation reaction of serpentinite suspensions [1,2], which results in the conversion ... pair. As a result, a structure is formed, which is a series of collapsed layers that are superimposed on ...
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The article presents the results of computational studies of the radiation changes in serpentinite concretes of "dry" radiation shield of the Water-Water Energetic Reactor (WWER/VVER) type of nuclear power plants built in the Russian Federation and other countries. The research was carried out in connection with the increase in radiation loads on the concrete of the "dry" …
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Jaffré 1980 provides a review of serpentine plants from endemic-rich New Caledonia, including tissue concentrations of heavy metals in plants found on serpentine soils. Brady, et al. 2005 is an extensive review of studies on the ecology and evolution of serpentine plants, with a particular focus on adaptation and speciation.
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SBM provides whole series of serpentinite processing plant for sale. Serpentine is not a single mineral, but rather a group of related minerals. Besides for the main members of Antigorite …
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2 2 30 31 Abstract 32 The Bou Azzer district in the central Anti-Atlas of Morocco is the world's unique mining 33 district where Co is exploited from serpentinite-hosted hydrothermal Co-Ni-Fe arsenide ores. This 34 paper provides the first-ever mineralogical and geochemical characterization of a suite of Fe-rich 35 arsenide orebodies found during recent mining in the …
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The serpentinite market is a specialized segment of the broader mineral market, primarily characterized by applications in various industries owing to the unique properties of …
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Mineral carbonation of serpentinite mining residue offers an environmentally secure and permanent storage of carbon dioxide. The strategy of using readily available mining residue for the direct treatment of flue gas could improve the energy demand and economics of CO2 sequestration by avoiding the mineral extraction and separate CO2 capture steps.
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Serpentine is a versatile mineral family rich in Mg silicate with several polymorphic phases, mainly antigorite and lizardite, all of them with similar chemical composition (Mg 3 Si 2 O 5 (OH) 4).Their structures are generally composed of octahedral layers rich in Mg[MgO 2 (OH) 4] 6-, attached to a tetrahedral silicate [Si 2 O 5] 2-sheet. The unique physicochemical properties of serpentinites ...
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2 fixation in serpentinite mining residues via direct gas–solid reaction. The degree of carbonation is measured both in the absence and presence of water vapor in a batch reactor. The gas used is a simulated gas mixture re-producing an average cement flue gas CO 2 composition of
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The mining activity itself and the processing of the waste material represent the second environmental concern. About 45–50% of the tout-venant of the raw rock is lost in the quarry in the form of shapeless blocks and to date there are no significant recycling applications of the serpentinite waste products (Cavallo, 2018). The serpentine ...
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The serpentinite rock forms in horizontal layers and each layer is a dramatically different variety of serpentine. After just a few years, the Sahlis have discovered numerous varieties. However, there is certainly plenty of the typical dark green variety of serpentine that is a much harder and excellent material for carving.
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The fact that chrysotile-contaminated serpentinite was used as an auxiliary material in three steel mills in Korea was revealed by an NGO on 27 January 2011 . At that time, three mines in Korea were allowed by the Korean government to produce serpentinite rocks after being closed in the 1980s due to the ban on asbestos mining.
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This last value is greater than the average reported by Brooks (1987) of 45 µg=g for plants grown on serpentinite soils, although high Cr contents are reported by Vergnano Gambi et al. (1982) and Gabbrielli et al. (1987). The differences between the 1994 and 1995 data for Alyssum might depend on the effects of seasonal variations presently ...
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