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  • Structure, genesis and resources efficiency of dolomite: New

    2021.7.5  Dolomite as an economical calcareous material can be used as a soil amendment to remediate acidic soil ( Shaaban et al., 2017 ). Dolomite can react with H +

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  • Dolomite Formula, Properties Application

    Applications in Detail. Construction: Dolomite, in its crushed form, is used for producing concrete and cement. Its high hardness makes it a robust material for construction

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  • Application Progress of Dolomite

    2018.4.25  Dolomite, as a carbonate mineral, has the characteristics of surface adsorption, providing magnesium and calcium resources, high refractoriness, large

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  • Structure, genesis and resources efficiency of dolomite: New

    2021.7.5  Dolomite (CaMg (CO 3) 2) exists widely in sedimentary rocks, in particular as an essential component of dolostones and marlstones. It is also found in some

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  • The effect of dolomite amendment on soil organic carbon

    2021.1.7  A possible explanation for the positive effect of dolomite application on the SOC stock loss is that short-term dolomite treatment resulted in higher biological activity

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  • A review on dolomite: Genesis, application and

    2013.4.1  This review critically evaluates different world deposits of dolomite along with their genesis, application of dolomite in different industries, beneficiation possibilities and other utilisation ...

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  • The Dolomite Problem: A Matter of Time ACS Earth and

    2022.6.3  Dolomite is a rhombohedral carbonate with a structure consisting of an ordered arrangement of alternating layers of Ca2+ and Mg2+ cations interspersed with

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  • The thermochemical activity of dolomite occurred in dolomite ...

    2016.1.1  Dolomite Palygorskite Nano-mineral Nano-effect Thermo-chemical activity 1. Introduction The intergrowth of dolomite and palygorskite has been documented in the

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  • Dolomite application to acidic soils: a promising option for

    2015.8.21  Shaaban et al. recently reported that dolomite application markedly mitigated N 2 O emissions from two acidic paddy soils. They suggested that high soil pH

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  • Controls of temperature, alkalinity and calcium

    2019.12.20  The results also show that I/(Ca + Mg) in dolomite decreases with increasing dolomite stoichiometry (mol % MgCO 3) and cation ordering, both of which increase with reaction time, suggesting that iodine content in dolomite, and thus D iodate, is a function of the chemical and structural characteristics of dolomite. Application of

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  • Dolostone (Dolomite) : Propriétés, Formation, Occurrence,

    2023.11.20  Propriétés physiques: La dolomite est souvent reconnue par sa couleur rosée ou grise distinctive et sa dureté relativement élevée sur l'échelle de Mohs, allant généralement de 3.5 à 4. Elle présente également souvent un éclat nacré à vitreux. Utilisations: La dolomite a diverses applications pratiques dans l'industrie et la construction.

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  • Shortwave infrared hyperspectral imaging as a novel method

    2021.11.5  Given that most sedimentary dolomite is nonstoichiometric with 48.0–62.5%Ca 48,58, consists of different crystal shapes and boundaries 47, and includes different volumes of substituted trace ...

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  • Review on the elaboration and characterization of

    2016.9.1  Industrial applications of the dolomite from Potamia, Thassos Island, N. Aegean Sea, Greece: The authors present a detailed characterization and applications of the used dolomite. Shatilov et al. [20] 2001: A study of the kinetics of decarbonization of magnesite concentrated by flotation

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  • Effects of dicyandiamide and dolomite application on N

    2015.12.1  Soil acidification is a major problem for crop growth, and different techniques are recommended to counteract the problem of soil acidification, including acid tolerant crop varieties, balanced and appropriate use of fertilizers, and the application of lime and dolomite (Guo et al. 2010; Sun and Huang 2012; Shaaban et al. 2014b).

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  • The thermochemical activity of dolomite occurred in dolomite ...

    2016.1.1  1. Introduction. The intergrowth of dolomite and palygorskite has been documented in the geology and mineralogy of palygorskite clay. Both dolomite and palygorskite are authigenic minerals because they form in similar environments (Chen et al., 2004a, Xie et al., 2013).The unique layer-chained structure and nano-rod appearance of

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  • Gamma radiation-induced polymerization of polyacrylic acid-dolomite ...

    2021.12.1  Gamma radiation-induced polymerization of polyacrylic acid-dolomite composite and applications for removal of cesium, cobalt, and zirconium from aqueous solutions ... vehicles, hydrocarbons, and nuclear industry (Gasser et al., 2017; Wang and Chen, 2014). Dolomite has recently been discovered as a cheap adsorbent for metal ions

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  • The effect of dolomite amendment on soil organic carbon

    2021.1.7  The size of lime material is vital for the efficiency of ameliorating soil acidity, thereby influencing soil biochemical processes. However, the effects of different sized lime material application on soil organic carbon (SOC) mineralization are yet to be elucidated. Therefore, a 35-day incubation experiment was conducted to determine the effects of

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  • Improving acid fracture design in dolomite formations utilizing

    2020.1.1  Dolomite formations are often good candidates for acid fracturing stimulation (Metcalf et al., 2007; Bartko et al., 2003; Bybee, 2004; Aljawad et al., 2019). From an operational point of view, the execution of acid fracture treatment is easier than that of a propped fracture (Economides and Nolte, 2000).

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  • Synthesis, Characterization and Adsorption Properties of Low

    2019.6.10  Low-cost porous calcined dolomite microspheres were prepared by simple spray drying and subsequent calcination. Effects of calcination temperature on phase evolution and adsorption properties of MB were investigated systematically. Results showed that microspheres treated at 400 °C kept mainly calcium carbonate (CaMg (CO3)) phase

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  • Origin of heavy rare earth element enrichment in carbonatites

    2023.12.1  Field observations show that calcite carbonatite crystallization followed that of dolomite carbonatites (Cheng et al., 2018).The latter consists of large euhedral coarse-grained dolomite with crystals (>90 vol%) measuring up to 2 mm in diameter and showed triple-junction grain boundaries (Fig. S2 A).Fine- to medium-grained calcite (>85 vol%)

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  • Energy Storage in Earth-Abundant Dolomite

    2020.9.24  Dolomite, a calcium magnesium mineral (CaMg(CO3)2), is considered an undesirable accompanying mineral in the phosphoric acid production process and, as such, large quantities of this mineral are

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  • Application of pre-stack simultaneous inversion to predict

    2019.4.5  Pre-stack simultaneous inversion is a seismic exploration technology which is widely applied to recognize lithology and detect oil and gas by analyzing the feature of amplitude variation versus offset (AVO). A gas-bearing reservoir can cause an obvious change in P-impedance and density. To effectively discriminate gas-bearing dolomite

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  • Dolomite application to acidic soils: a promising option

    2017.8.28  dolomite application increases pH of acidic soils (Paradelo et al. 2015). However, the information regarding the effects ofdolomiteapplicationonsoilN 2O emissions intheliterature isscarce.Here,weconductedalaboratorystudy,whichaimed to examine the effects of dolomite application on N 2O emis-sions from an acidic soil. We hypothesized

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  • Soil pH management for mitigating N - ScienceDirect

    2023.5.15  Flooding and dolomite application could stimulate the decline in H + and Al 3+ ions, while increasing in the soil pH (Bai et al., 2020; Shaaban et al., 2019b). Dolomite provided Ca 2+, Mg 2+ and HCO 3 − in soil solution, resultantly ameliorated soil acidity (Shaaban et al., 2017). Download : Download high-res image (398KB) Download :

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  • Constraining dolomitization by Mg isotopes: A case study

    2016.2.23  The Xuzhuang Formation is about 80 m thick in the Xiaweidian section, and consists of ribbon rocks intercalated with thin to medium-bedded packstone/grainstone layers (Figures 1b and 2a). Ribbon rock is characterized by alternating limestone and marlstone layers (Figure 2b) [Chen et al., 2010].Individual cycle of the intercalated

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  • The magnesium isotope (δ26Mg) signature of dolomites

    2015.1.15  The least variable isotope range is present in sabkha dolomite samples (±0.60‰ 2σ). Magnesium-isotope values of Triassic Dolomia Principale sabkha dolomites as reported in Geske et al. (2012; δ26MgD2 mean: −1.91 ± 0.23‰, n = 32), are similar to other sabkha dolomites analyzed in this study ( Fig. 4 A).

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  • Dolomite - Propriétés, Utilisation et Effets Secondaires

    2021.3.17  Effets secondaires. Une supplémentation en dolomite peut provoquer des éructations, des flatulences, des nausées, des malaises gastro-intestinaux, de la constipation, des crampes abdominales, des ballonnements, une diarrhée sévère et des douleurs abdominales.

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  • Preparation and properties of tubular macroporous ceramic

    2019.3.22  Bessa et al. used natural dolomite for producing ceramic hollow fibers sintered at different temperatures in a wide range of applications. Ivanets et al. [ 22 ] studied, also, the effect of phase composition of natural quartz raw material on characterization of microfiltration ceramic membranes.

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  • The magnesium isotope (δ26Mg) signature of dolomites

    2014.11.13  The δ 26 Mg DSM3 values reported in the literature for hydrothermal dolomites vary widely and are considerably lower than the values expected from these three sources (δ 26 Mg = − 3.50‰ to ...

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  • Early dolomitization and subsequent recrystallization of

    2022.8.1  The very fine to fine crystalline (10–50 μm) crystals and nonplanar-a to planar-e textures of the majority of Md1 dolomite (Fig. 5B, C) suggest near-surface dolomitization at relatively low temperatures (Sibley and Gregg, 1987, Warren, 2000, Machel, 2004, Gregg et al., 2015). Generally, dolomite crystals with nonplanar textures

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  • Les différents usages de la dolomie - AGRILOR

    2022.1.24  La dolomie est une roche sédimentaire d’origine marine, composée de dolomite (entre 50 et 100 %) et de calcite. Elle est riche en calcaire, magnésium et oligo-éléments. Son nom est issu du géologue, minéralogiste et volcanologue français qui l’a découverte en 1792 : Déodat de Dolomieu.

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  • The steam-assisted calcination of limestone and dolomite for

    2022.8.20  Normally, more than 60% of the energy consumed during the production of lime and dolomite is consumed during the calcination process, as the total of sensible and reaction heat (Sagastume Gutiérrez et al., 2012).Mostly fossil fuel is used as heat provider, although the application of renewable energy carriers (woody biomass, plastic solid

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  • The thermochemical activity of dolomite occurred in dolomite ...

    2016.1.1  (2) The application of dolomite and activated dolomite as adsorbents of heavy metals and dyes (Pehlivan et al., 2009, Boucif et al., 2010, Albadarin et al., 2012). Albadarin et al. identified the kinetics and dynamics of dolomite as an adsorbent of Cr(VI). Pehlivan et al. studied the ability of dolomite to adsorb Cu 2 + and Pb 2 +. Boucif et al ...

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  • A research on seismic forward modeling of hydrothermal dolomite：An ...

    2020.8.31  Previous studies indicate that the main causes of hydrothermal dolomite formation originated from a transformation that the limestone reshaped by Mg-rich hydrothermal fluid seepage, leading to a considerable difference between thickness and dolomite degree (Gao et al., Citation 2020). The researchers’ focuses were always put

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  • 白云岩储层成因研究进展及发展趋势

    2021.6.6  3. 赵文智，沈安江，郑剑锋，等.塔里木、四川及鄂尔多斯盆地白云岩储层孔隙成因探讨及对储层预测的指导意义[J].中国科学：地球科学，2014，44（9）：1925-1939. ZHAO W Z， SHEN A J， ZHENG J F， et al. The porosity origin of dolostone reservoirs in the Tarim， Sichuan and Ordos Basins and ...

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  • Study on Construction and Reinforcement Technology of Dolomite

    2022.7.27  The No. 2 conduit of the Xiaopu Tunnel in the Yuxi section of central Yunnan’s water diversion project is taken as the research object, starting from the geological conditions along with the characteristics, formation mechanism and evolutionary model of dolomite sanding. This paper discusses the engineering problems of the project’s tunnels

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  • The Calcite-Dolomite Solvus Temperature and T-X (CO

    2021.12.16  For example, Castelli et al. (2007) reported impure dolomite and calcite marbles from the UHP Brossasco-Isasca Unit (Dora-Maira Massif, ... Mizuochi, H.; Satish-Kumar, M.; Motoyoshi, Y.; Michibayashi, K. Exsolution of dolomite and application of calcite-dolomite solvus geothermometry in high-grade marbles: An example from

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  • The Dolomite Problem: A Matter of Time ACS Earth and

    2022.6.3  Dolomite, CaMg (CO 3) 2, is an abundant carbonate mineral in ancient rock formations, but it is extremely scarce in modern sedimentary environments. This intriguing observation has been repeatedly referred to as the “dolomite problem” in the geological literature. (1−5) Many geoscientists over time have almost obsessively searched for a ...

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  • Potential of dolomite industrial waste as construction

    2022.8.12  Kumar et al. [85] showed the impact of adding dolomite waste as a replacement of cement in concrete. The 0%, 5%, 10%, 15%, and 20% of cement were replaced in the various mixes. They found the maximum compressive strength (an increase of 5.84%) at a 5% replace-ment of cement by dolomite waste powder.

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