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Статті в журналах з теми "Carbonate precipitation/dissolution"
Patel, Ashim Kumar, Biswajit Mishra, Dewashish Upadhyay, and Kamal Lochan Pruseth. "Mineralogical and Geochemical Evidence of Dissolution-Reprecipitation Controlled Hydrothermal Rare Earth Element Mineralization in the Amba Dongar Carbonatite Complex, Gujarat, Western India." Economic Geology 117, no. 3 (May 1, 2022): 683–702. http://dx.doi.org/10.5382/econgeo.4890.
Повний текст джерелаHe, Zhiliang, Qian Ding, Yujin Wo, Juntao Zhang, Ming Fan, and Xiaojuan Yue. "Experiment of Carbonate Dissolution: Implication for High Quality Carbonate Reservoir Formation in Deep and Ultradeep Basins." Geofluids 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/8439259.
Повний текст джерелаPan, Ling, Qiongfang Li, Yi Zhou, Na Song, Lujia Yu, Xuhui Wang, Ke Xiong, LikSen Yap, and Jianlin Huo. "Effects of different calcium sources on the mineralization and sand curing of CaCO3 by carbonic anhydrase-producing bacteria." RSC Advances 9, no. 70 (2019): 40827–34. http://dx.doi.org/10.1039/c9ra09025h.
Повний текст джерелаDi Lorenzo, Fulvio, Cristina Ruiz-Agudo, Aurelia Ibañez-Velasco, Rodrigo Gil-San Millán, Jorge Navarro, Encarnacion Ruiz-Agudo, and Carlos Rodriguez-Navarro. "The Carbonation of Wollastonite: A Model Reaction to Test Natural and Biomimetic Catalysts for Enhanced CO2 Sequestration." Minerals 8, no. 5 (May 11, 2018): 209. http://dx.doi.org/10.3390/min8050209.
Повний текст джерелаHaugen, Malin, Benyamine Benali, Tore Føyen, Wen Song, Martin A. Fernø, and Bergit Brattekås. "Calcite-functionalized micromodels for pore-scale investigations of CO2 storage security." E3S Web of Conferences 366 (2023): 01004. http://dx.doi.org/10.1051/e3sconf/202336601004.
Повний текст джерелаDarus, Fadilah, Mariatti Jaafar, and Nurazreena Ahmad. "Preparation of carbonate apatite scaffolds using different carbonate solution and soaking time." Processing and Application of Ceramics 13, no. 2 (2019): 139–48. http://dx.doi.org/10.2298/pac1902139d.
Повний текст джерелаOffeddu, Francesco Giancarlo, Jordi Cama, Josep Maria Soler, and Christine V. Putnis. "Direct nanoscale observations of the coupled dissolution of calcite and dolomite and the precipitation of gypsum." Beilstein Journal of Nanotechnology 5 (August 11, 2014): 1245–53. http://dx.doi.org/10.3762/bjnano.5.138.
Повний текст джерелаKunio, Ishikawa. "Carbonate Apatite Bone Replacement." Key Engineering Materials 587 (November 2013): 17–20. http://dx.doi.org/10.4028/www.scientific.net/kem.587.17.
Повний текст джерелаKLEIN, CARLA, and ANA MARIA PIMENTEL MIZUSAKI. "Cimentação Carbonática em Reservatórios Siliciclásticos - O Papel da Dolomita -." Pesquisas em Geociências 34, no. 1 (June 30, 2007): 91. http://dx.doi.org/10.22456/1807-9806.19465.
Повний текст джерелаPurgstaller, Bettina, Vasileios Mavromatis, Katja E. Goetschl, Florian R. Steindl, and Martin Dietzel. "Effect of temperature on the transformation of amorphous calcium magnesium carbonate with near-dolomite stoichiometry into high Mg-calcite." CrystEngComm 23, no. 9 (2021): 1969–81. http://dx.doi.org/10.1039/d0ce01679a.
Повний текст джерелаДисертації з теми "Carbonate precipitation/dissolution"
Ranson, Simon David. "Modelling vadose diagenesis of holocene carbonate sands." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326765.
Повний текст джерелаWiid, Ansuretha. "Exploratory study of single and multi-step dissolution-precipitation synthesis of carbonate containing hydrocalumite." Diss., University of Pretoria, 2015. http://hdl.handle.net/2263/56125.
Повний текст джерелаDissertation (MEng)--University of Pretoria, 2015.
tm2016
Chemical Engineering
MEng
Unrestricted
Fajardo, Nino De Rivera Vanessa. "Localized CO2 Corrosion in the Presence of Organic Acids." Ohio University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1300466494.
Повний текст джерелаStockmann, Gabrielle J. "Experimental study of basalt carbonatization." Toulouse 3, 2012. http://thesesups.ups-tlse.fr/1572/.
Повний текст джерелаThe increasing levels of CO2 in the atmosphere and the potential dangers this pose to the Earth through climate change, ocean acidification and sea-level rise has lead to a substantial number of projects attempting to find a safe and benign way to capture and store CO2 in geological formations, also referred to as the CCS (Carbon Capture Storage) technology. One of these CCS attempts is currently taking place in Iceland at the geothermal power plant Hellisheiði, located close to the capital Reykjavik (the CarbFix project). CO2 and other gasses (H2S, N2, H2, CH4) are waste products of the geothermal energy exploitation and the aim is with time to store all of this anthropogenic-made CO2 in the basaltic formations underlying Hellisheiði. The CO2 is dissolved in groundwater as it is pumped down to 350 meters depth and then injected into mixed horizons of basaltic glass and crystalline basalt. The basaltic rocks are characterized by high contents of divalent cations like Mg2+, Fe2+ and Ca2+ and relatively fast dissolution rates. The acidic CO2-loaded water will dissolve the basalt thereby releasing cations, which can react with the aqueous carbonate ions to form carbonate minerals (magnesite, siderite, calcite, ankerite and Ca-Mg-Fe solid solutions). The rate-limiting step of this carbon sequestration process is thought to be the dissolution of basaltic rocks, thus any effect that could potentially limit basalt dissolution would be detrimental to the overall CO2 sequestration process. My part of the CarbFix project has been to look at the effects the formation of calcium carbonate coatings would have on the dissolution of the primary phase, in this case basaltic glass and the clinopyroxene diopside, so there would be a glass phase to compare with the results of a mineral phase. Furthermore, a series of experiments were conducted where we tested the primary mineral structure's affect on calcite nucleation. This was done in order to test if different silicate structures would lead to different extent of calcite nucleation and growth. Finally, extensive series were conducted on the dissolution of basaltic glass in the presence of dead and live heterotrophic bacteria, Pseudomonas reactans in order to determine the potential effect of bacteria on the carbon storage effort at the Hellisheiði site. The basaltic glass and diopside dissolution experiments were run at 25 and 70 ºC and pH 7-8 in mixed-flow reactors connected to solutions containing CaCl2±NaHCO3 with ionic strengths > 0. 03 mol/kg. Two sets of experimental series were run simultaneously, one series called the "precipitation" experiments in which the solution inside the reactor was supersaturated with respect to calcite, and the other series called the "control" experiments, where PHREEQC modeling foretold no major secondary mineral formation. By this, it was possible to compare dissolution rates of basaltic glass and diopside at 25 ºC with and without calcium carbonate and other secondary mineral formation in order to deduce the effect on their dissolution rates. Scanning electron microscope images showed substantial amounts of calcium carbonate had precipitated in the "precipitation" experiments, but in the case of basaltic glass the primary growth appeared as big, discrete cluster of calcite and aragonite with no growth on the glass itself. Opposed to this, several of the diopside crystals were extensively overgrown by calcite coatings and no aragonite was found. In neither cases did the presence of calcite/aragonite have an effect on the dissolution rates of basaltic glass and diopside when compared to the "control' dissolution rates. It appears the discontinuous cover of the carbonate allows the ions of the primary phases to continue to diffuse through the secondary layer unhindered. To further assess the effect of silicate surface on the nucleation of calcite, the dissolution rates of six selected silicate minerals and rocks were measured in mixed-flow reactors in solutions supersaturated with respect to calcite at 25 ºC and pH ~9. 1. The silicate phases were: Mg-rich olivine, enstatite, augite, labradorite, basaltic glass and peridotite. The results show different onset time of calcite nucleation and thus different extent of carbonate coverage with elapsed time depending on silicate phase. Within the same timeframe olivine, enstatite and peridotite (mainly composed of Mg-rich olivine) were the most covered by calcite precipitations, followed by augite, labradorite and finally basaltic glass. All calcite growth took place on the silicate surface including on the basaltic glass. Kinetics favor calcite nucleation growth on the orthorhombic minerals (enstatite and olivine) over the monoclinic and triclinic minerals. Least calcite was found on the glass, which has no ordered silicate structure. Heterotrophic bacteria, Pseudomonas reactans was extracted from one of the monitoring wells at Hellisheiði, and then separated, purified and cultured in the laboratory. Its optimal growth conditions were found to be 5-37 ºC and pH 7. 0-8. 2 on Brain Heart Broth nutrient. Being a common water- and soil bacteria it offered a good candidacy to test what could be expected of heterotrophic bacteria in general when storing CO2 in a natural aquifers like the one at the Hellisheiði site, in Iceland. Basaltic glass dissolution rates were measured at 25 ºC in newly developed Bacterial Mixed-Flow reactors (BMFR) in buffer solutions carrying 0. 1-0. 4 g/L of dead bacteria and 0. 9-19 g/L of live bacteria at 4 = pH =10. The results show that the presence had either no or a slightly rate-limiting effect. The overall conclusion is that neither the carbonate coatings nor the bacteria had major impact on the measured dissolution rates of the primary silicate phases, thus their effect are expected to be negligible on the CO2 sequestration process in basalt. Crystalline basalt might be faster covered by calcium carbonate, but also basaltic glass can act as a nucleation platform for calcite nucleation
Hänchen, Markus. "CO storage by aqueous mineral carbonation : olivine dissolution and precipitation of Mg-carbonates." Zürich : ETH, 2007. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17459.
Повний текст джерелаBERGAMASCHI, VANDERLEI S. "Influencia de parametros de precipitacao nas caracteristicas fisicas e quimicas do carbonato de zirconio." reponame:Repositório Institucional do IPEN, 2000. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10884.
Повний текст джерелаMade available in DSpace on 2014-10-09T14:06:57Z (GMT). No. of bitstreams: 1 07016.pdf: 7788234 bytes, checksum: f8eff0ec5a7b678c12027aceb93c324d (MD5)
Dissertacao (Mestrado)
IPEN/D
Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
Perez, Fernandez Andrea. "Etude expérimentale sur l'échange isotopique dans le système eau-roches carbonatées." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30398.
Повний текст джерелаThe isotopic signatures of carbonate minerals have been applied to illuminate a plethora of natural geochemical processes. This thesis is aimed to assess the rates and or conditions at which such isotope signatures might be altered by fluid-mineral interaction through a series of systematic experimental studies performed with dolomite (CaMg(CO3)2) magnesite (MgCO3) and calcite (Ca-CO3). Ca and Mg isotopic compositions were measured as a function of time during closed-system stoichiometric dolomite dissolution experiments at 50 to 126°C. Although identical to that of the original dolomite at low temperatures, at temperatures >120 °C, the calcium isotopic signature of fluid phase (delta(44/42)Ca fluid) became 0.6±0.1‰ higher than that of the dissolving dolomite over a 4-week period. In contrast, the delta(26/24)Mg fluid, remained equal to that of the dolo-mite both at low and high temperatures. This set of experiments evidences the two-way transfer of calcium in and out of the dolomite structure at elevated temperatures. The results suggest that the inhability of dolomite to precipitate at these conditions is due to the difficulty of Mg to be reincorporated in the dolomite structure. In a follow-up study, magnesite was dissolved at 25°C in the presence of fluids with distinct pH and CO2 pressures. The isotopic compositions of the fluid differed from that of the solid at near-to chemical equilibrium indicating the two-way transfer of magnesium into this mineral at ambient temperatures. A single fractionation mechanism cannot explain the distinct Mg isotope behaviors observed. Further work on carbon isotope exchanges in the calcite water system shows a slow by steady evolution of the carbon isotopic composition towards the accepted equilibrium fractionation factor over the course of nearly year-long experiments after the system had attained bulk chemical equilibrium. Carbon isotope reequilibration rates were found to be approximately four orders of magnitude slower than that of bulk calcite dissolution, suggesting that the rate limiting step to the carbon isotope reequilibration process is the transport of carbon into and out of the bulk mineral after it has exchanged on the surface. The results of this thesis suggest that the Mg, Ca and C isotopic signatures in carbonate minerals are not invariant over geological time-frames and can be readily altered by water-mineral interaction. Such results indicate that the preservation of carbonate mineral signatures require low permeability rock formations or some inhibitory mechanism limiting metal and carbon exchange
Raveloson, Joharivola. "Influence de la variabilité spatiale des paramètres thermodynamiques et de cinétique chimique sur la précipitation des minéraux carbonatés en milieu poreux (stockage minéral du CO2)." Thesis, Saint-Etienne, EMSE, 2014. http://www.theses.fr/2014EMSE0746/document.
Повний текст джерелаThe present work is based on the study of water-rock interactions in the case of CO2 storage in geological media. Particular attention is devoted to heterogeneities at different observation scales geochemical phenomena. These heterogeneities can be observed at different scales: the grain (mineral crystallinity present defects and impurities), and the centimeter scale / multi- decametric (rocks are heterogeneous at different scales). In particular, the thermodynamic parameters logK and chemical kinetics kS (in this work we considered the product of the rate constant k by the specific surface area S is kS as "chemical kinetics parameter") are known from laboratory experiments to a few centimeters in size, while we are interested in mineralogical reactions across tanks.We propose to evaluate the geostatistical characteristics of the local variability after reaction through simulations of reactive transport on a small scale in which various parameters (logK and kS) are perturbed with a first spatial variability imposed. A combination of both approaches is discussed: deterministic and geostatistical for the study of geochemical problems at different scales. The reactive transport code - COORES (IFP - EN and Ecole nationale supérieure des mines de Saint -Etienne) was used for deterministic simulations and the geochemical system studied concerns the dissolution of diopside with precipitation of secondary minerals such as calcite and magnesite.After analysis by the method of design of experiments, the results show that high spatial correlation variance combined with high dispersion of minerals promotes a high reactivity when minerals chemically disturbing is the kinetic parameter kS. In addition, a high velocity injection accelerates the dissolution of the mineral studied. However, the effect of spatial variability of the thermodynamic parameter, did not significantly affect the results, the system behaves as in the homogeneous case. From the standpoint of homogenizing the parameter kS, include the influence of the history of dissolution
Algive, Lionnel. "Évolution des propriétés pétrophysiques d'écoulement pendant une injection de CO2 et impact induit au niveau de l'injectivité." Thesis, Vandoeuvre-les-Nancy, INPL, 2009. http://www.theses.fr/2009INPL072N/document.
Повний текст джерелаThe geological storage of CO2 is considered as an attractive option to reduce the greenhouse gas emissions in the atmosphere. CO2 is not an inert gas, however. Its dissolution in brine forms a weak acid that has the potential to react with the host rock formation. The induced pores structure modification impacts the flow properties. Thus, to ensure the viability and sustainability of CO2 storage, operators need simulations that take into account the specificities of reactive transport. However, the macroscopic coefficients of the reactive transport equation are modified from the values of an inert tracer by surface reactions. These specificities due to mass transfer are currently not considered. Similarly, the permeability-porosity (K-F) relationship is only estimated semi-empirically. The aim of this thesis was to develop a method to obtain the macroscopic coefficients and the K-F laws, by solving the equations governing the pore-scale phenomena. To do this, we used the Pore Network Modelling approach (PNM). The advantage of the PNM is that it explicitly takes into account the pore structure, while conceptualizing the latter to a set of pores and throats whose morphology is simplified into spheres or cylinders for instance. The study is based into two successive upscalings: from local-scale to pore-scale, then from pore-scale to core-scale. The reactive transport problem is solved for basic elements, analytically or numerically. Then, using the solutions previously found at the pore scale, the reactive transport phenomena are treated throughout the network. Our model was validated by observations on micromodels and by a comparison with an acid-induced alteration experiment
GREENBERG, JANET LISA. "HIGH TEMPERATURE KINETICS OF PRECIPITATION AND DISSOLUTION OF FERROUS-CARBONATE." Thesis, 1987. http://hdl.handle.net/1911/13221.
Повний текст джерелаКниги з теми "Carbonate precipitation/dissolution"
Kirchman, David L. Introduction to geomicrobiology. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789406.003.0013.
Повний текст джерелаЧастини книг з теми "Carbonate precipitation/dissolution"
Canfield, Donald E., and Robert Raiswell. "Carbonate Precipitation and Dissolution." In Topics in Geobiology, 411–53. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4899-5034-5_9.
Повний текст джерелаWALTER, LYNN M. "RELATIVE EFFICIENCY OF CARBONATE DISSOLUTION AND PRECIPITATION DURING DIAGENESIS: A PROGRESS REPORT ON THE ROLE OF SOLUTION CHEMISTRY." In Roles of Organic Matter in Sediment Diagenesis, 1–11. SEPM (Society for Sedimentary Geology), 1986. http://dx.doi.org/10.2110/pec.86.38.0001.
Повний текст джерелаLewin, John, and Jamie Woodward. "Karst Geomorphology and Environmental Change." In The Physical Geography of the Mediterranean. Oxford University Press, 2009. http://dx.doi.org/10.1093/oso/9780199268030.003.0022.
Повний текст джерелаWalker, James C. G. "Interacting Species in Identical Reservoirs." In Numerical Adventures with Geochemical Cycles. Oxford University Press, 1991. http://dx.doi.org/10.1093/oso/9780195045208.003.0010.
Повний текст джерелаТези доповідей конференцій з теми "Carbonate precipitation/dissolution"
Wang, Shilu. "Dissolution and Precipitation of Carbonate is One Mechanism Regulating Riverine CO2." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.2758.
Повний текст джерелаForoutan, Maziar, and Ehsan Ghazanfari. "Mineral Dissolution/Precipitation in Carbonate Rocks: Risks Posed by Climate Change-Induced Acidic Flow." In Geo-Extreme 2021. Reston, VA: American Society of Civil Engineers, 2021. http://dx.doi.org/10.1061/9780784483695.016.
Повний текст джерелаFathy, Ahmed, Muhammad Arif, Ahmed Sami Adila, Arshad Raza, and Mohamed Mahmoud. "A Numerical Study of Mineral Dissolution in Deep Heterogeneous Carbonate Reservoirs: Implications for CO2 Geo-sequestration." In SPE Reservoir Characterisation and Simulation Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/212632-ms.
Повний текст джерелаKou, Zuhao. "Impacts of Carbonated Brine-Rock Reactions on Multiphase Flow Properties in Upper Minnelusa Sandstone: Implication for CO2 Storage." In SPE Annual Technical Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/212389-stu.
Повний текст джерелаBokkers, Albert, Rasoul Nazari Moghaddam, Koos Aaldering, Cees Kooijman, Amin Ameri, and Szymon Jankowski. "A Delayed In-Situ Generated Acid System to Enhance Carbonate Acidizing." In International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-21997-ms.
Повний текст джерелаBokkers, Albert, Piter Brandenburg, Coert Van Lare, Cees Kooijman, and Arjan Schutte. "A Matrix Acidizing System for Controlled Carbonate Well Stimulation using a Carboxylic Acid Salt with a Chelating Agent." In SPE/IADC Middle East Drilling Technology Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/202083-ms.
Повний текст джерелаGallagher, Timothy M., Todd G. Caldwell, and Daniel O. Breecker. "TRACKING SOIL CARBONATE DISSOLUTION AND PRECIPITATION THROUGH HIGH-PRECISION MONITORING OF SOIL PORE SPACE O2 AND CO2." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-323486.
Повний текст джерелаJordan, Myles M., Helen Williams, Sandra Linares-Samaniego, and Dario M. Frigo. "New Insights on the Impact of High Temperature Conditions (176°C) on Carbonate and Sulphate Scale Dissolver Performance." In SPE International Oilfield Scale Conference and Exhibition. SPE, 2014. http://dx.doi.org/10.2118/spe-169785-ms.
Повний текст джерелаGamal, Hany, Salaheldin Elkatatny, Saad Al-Afnan, and Mohamed Bahgat. "Toward Developing Non-Corrosive Acid System for Complex Scales Removal." In International Petroleum Technology Conference. IPTC, 2021. http://dx.doi.org/10.2523/iptc-21400-ms.
Повний текст джерелаHan, Jinju, Youngjin Seo, Juhyun Kim, Sunlee Han, and Youngsoo Lee. "Comparison of Oil Recovery and Carbonate Rock’s Properties Alterations by CO2 Miscible Flooding." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-78723.
Повний текст джерелаЗвіти організацій з теми "Carbonate precipitation/dissolution"
Riebesell, Ulf. Comprehensive data set on ecological and biogeochemical responses of a low latitude oligotrophic ocean system to a gradient of alkalinization intensities. OceanNets, August 2022. http://dx.doi.org/10.3289/oceannets_d5.4.
Повний текст джерелаHurlow, Hugh A., Paul C. Inkenbrandt, and Trevor H. Schlossnagle. Hydrogeology, Groundwater Chemistry, and Water Budget of Juab Valley, Eastern Juab County, Utah. Utah Geological Survey, October 2022. http://dx.doi.org/10.34191/ss-170.
Повний текст джерелаDesbarats, A. J., and J. B. Percival. Hydrogeochemistry of mine tailings from a carbonatite-hosted Nb-REE deposit, Oka, Quebec, Canada. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331256.
Повний текст джерела