The plot of Na + vs. Cl − (Fig. 9) shows that the representative points of the aquifer are distributed close to the halite dissolution line. The Na + /Cl − weight ratio …
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Here, we present a reconstruction of δ 26 Mg sw evolution over the past 2 billion years using marine halite fluid inclusions and sedimentary dolostones. The data …
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The Dead Sea (DS) potash industry halite waste accumulation rate is estimated at 0.2 m year-1, across 140 km 2 of evaporation ponds in Israel and Jordan, totaling ∼28 million m 3 year-1.As accommodation in the southern DS basin space is nearly exhausted, it is planned in Israel to dredge newly precipitated salt and convey it in a solid …
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Stoishiometric Dissolution Line Halite apparatus of gravel and sand galaxycontrolsin. autoline ua s selhoztehnika drobilka drevesiny autoline ua s selhoztehnika drobilka drevesinySolutions stoishiometric dissolution line halite stoishiometric autoline ua s selhoztehnika drobilka drevesiny yuasa accu jig grinder grinding attachment …
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Abstract Dissolution mining is the main production mode for well salt. Understanding the dissolution property of halite is very important controlling mining efficiency and to …
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The heterogeneous interaction system contains 10 −2 mol of FCC single-phase Cr22 MPEA and 1 kg of water with 0.6 m NaCl at 25 °C and 1 atm ambient pressure. The dashed lines are reversible ...
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Salt- and shale-detached gravity-driven failure of continental margins. Mark G. Rowan, in Regional Geology and Tectonics (Second Edition), 2020 Diapir dissolution. Halite and some of the other salt minerals are highly soluble, so dissolve in the presence of undersaturated water. This occurs primarily in the phreatic zone due to the circulation of …
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A=RT Q Kln( / )(3) Thus, the combination of eqs 1 and 3 describes the path between reaction control and equilibrium constraint for an elementary reversible reaction. At equilibrium, Q/K is equal to 1, A is equal 0, and the net rate of dissolution is 0. Under condition of reaction control, far from equilibrium, Q/K is much less than 1, A is a ...
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This research focuses on the analysis of the influence of two secondary salt weathering processes on the durability of rocks exposed to marine environments: chemical dissolution of rock forming minerals and differential thermal expansion between halite and the hosting rock. These processes are scarcely treated in research compared to salt …
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For identifying the halite dissolution as a salinity source, halite dissolution line (HDL), a line corresponding to the equal molar concentration of Na and Cl ions in water, is plotted in Fig. 5a. Moreover, upper and lower bands of the zone of mixing of freshwater with oil-field brine and zone of mixing of freshwater with halite-dissolution ...
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Dissolution of halite slices was performed in diluted Dead Sea (DS) brines, with and without stirring. The range of DS dilutions used in the experiments was wide, from 10% to 90%, and the ratios … Expand
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Characterize clearly Permian halite dissolution derived brines from an isotopic point of view and to obtain a comprehensive data set that can help to identify this type of salinity in similar settings in sedimentary basins where multiple sources of salinity are encountered. 2. ... (Fig. 8) plot on or near the global meteoric water line ...
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Dijk et al. (2002)examined the dissolution patterns in an articial halite fracture in the laboratory. Using nuclear magnetic resonance imaging, they reported ow and density in …
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Open system dissolution experiments were performed at the temperature and pH conditions listed in Table 2 in titanium mixed flow reactors. This reactor system is similar to that described by Berger et al. (1994), and used recently for other dissolution rate studies Oelkers et al., 1994, Oelkers and Schott, 1999, Oelkers and Schott, 2001.The …
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Accuell > dissolution stoishiometric ligne halite > dissolution stoishiometric ligne halite T00:06:29+00:00 Development of a halite dissolution numerical model for The numerical model comprises an ion transport and halite dissolution module that is sequentially coupled to a fully implicit, dual porosity, finite difference simulator ()It should …
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The steady-state dissolution rate of sepiolite at 25 °C, based on Si release rates at far from equilibrium conditions, r+ in mol/cm 2 /s at pH ≥ 4.44 can be described by. r + = 10 - 15.291 a H + 2 / a M g 2 + 1 / 8, where refers to the activity of the subscripted aqueous species.
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The Na + /Cl-molar ratios of the water samples including the river samples, the spring samples, and the borehole samples are near the halite dissolution line (the line equal to 1), and this ratio deviates from 1 for oil-field brines (Fig. 7 e). The Na + /Cl-molar ratios less than 1 may indicate mixing with oil-field brines (Rezaei et al., 2021).
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Diagnostic Properties. Cleavage, solubility, salty taste (The taste test is discouraged. Some minerals are toxic or contaminated by other people tasting them.) Chemical Composition. NaCl. Crystal System. Isometric. Uses. Winter road treatment, a source of sodium and chlorine for chemical processes, food preservation, seasoning.
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Download scientific diagram | Plot of TDS versus Na-Cl relative to the halite dissolution line. Spring samples are included. from publication: Tracing regional flow paths to major springs in Trans ...
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Water whose salinity originates from the dissolution of halite would lie along a line with the slope of 1. However, brine samples in the study area plot along the line of 1:1.3 slightly shift to the high concentration of chloride. This suggests that the source of salt was dominated by the dissolution of halite, and some other geochemical ...
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Halite dissolution rates were determined from the weight loss of halite disks dissolved in NaCl solutions. The disks were produced from approximately 2 g of Prolabo pure analytical grade NaCl powder, which was compressed in a 13 ± 0.02 mm diameter cylinder at a pressure of 500 MPa. ... 17-26 Regression of the rate data given in Table 1 …
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Chemical Composition. NaCl, Sodium Chloride. Color. Usually clear or white, but small amounts of impurities may give halite a red or orange hue and bacterial impurities can create a variety of pastel colors. Cleavage. …
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Abstract Dissolution mining is the main production mode for well salt. Understanding the dissolution property of halite is very important controlling mining efficiency and to predict shapes of the salt cavern. The dissolution experi-ment of the halite of Paleogene Shahejie Formation, Shulu Sag, and Jizhong Depression is conducted in this study.
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DOI: 10.1016/S0009-2541(96)00164-7 Corpus ID: 97272682; Experimental studies of halite dissolution kinetics, 1 the effect of saturation state and the presence of trace metals
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Figure 7c shows that some of the cluster 1, cluster 2, and cluster 3 samples are near the 1:1 line, indicating the dissolution of the halite is responsible for the groundwater chemistry. However, most of cluster 1, cluster 2, and cluster 3 samples are above the 1:1 line, representing the excess Na +, which may be the contribution of the …
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Schemes of the incoming and outgoing currents in SSR for (a) symmetric and (b) asymmetric diffusion. (a) Stoichiometric phase growth (dashed line shows the thicker phase) J A in = J B in > J A out = J B out . (b) First J A out > J A in and J B in > J B out , as a result, the A B phase enriches in B . To keep the stoichiometry, the ...
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The dissolution of metal carbonates is in the ocean mainly depending on the concentration of carbonate ions. In relative young seawater is the carbonate ion concentration high enough to prevent most crystal forms of calcium carbonate to dissolve. However, carbon dioxide is produced when organic matter sediments out of the photic …
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The main reactions are dissolution of calcite and plagioclase, which consume carbon dioxide; kaolinite and Camontmorillonite precipitate in the first model, and kaolinite and chalcedony precipitate in the second model. Small amounts of halite, gypsum, and biotite dissolution are required in the models. Modeling acidgas generation from ...
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منزل stoishiometric dissolution line halite The rate of dissolution of halite in diluted Dead … Dissolution rates have been measured in the laboratory with NaCl solutions on compressed halite powders [Simon, 1981;Alkattan et al., 1997] and on natural salt rock slices with diluted Dead Sea...
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rock, it may affect the dissolution rate as flow is occurs. [3] The dissolution rate of halite was determined by Wagner [1949] from the weight loss of thin plates of halite rock suspended in water to be 5.3 10 2 25% mol/m2 s. Alkattan et al. [1997] examined dissolution rate as afunction of temperature, halite saturation degree, disk rotation speed,
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