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Numerical Study Of Physico Chemical Interactions For Co2 Sequestration And Geothermal Energy Utilization In The Ordos Basin China
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Book Synopsis Numerical study of physico- chemical interactions for CO2 sequestration and geothermal energy utilization in the Ordos Basin, China by : Hejuan Liu
Download or read book Numerical study of physico- chemical interactions for CO2 sequestration and geothermal energy utilization in the Ordos Basin, China written by Hejuan Liu and published by Cuvillier Verlag. This book was released on 2014-11-10 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this dissertation, three simulators (i.e. TOUGH2MP, TOUGHREACT and FLAC3D) were used to simulate the complex physical and chemical interactions induced by CO2 sequestration. The simulations were done instages, ranging from the two phase (water and CO2) fluid flow (H2), through coupled hydro-mechanical effects (H2M) and geochemical responses (i.e. CO2-water-rock interactions (H2C)), to the extension of CCS to CCUS by the application of combined geothermal production and CO2 sequestration technologies. The findings of this study are essential for a thorough understanding of the complex interactions in the multiphase, multicomponent porous media controlled by different physical and chemical mechanisms. Furthermore, the simulation results will provide an invaluable reference for field operations in CCS projects, especially for the full-integration pilot scale CCS project launched in the Ordos Basin. Subsequently, a preliminary site selection scheme for the combined geothermal production and CO2 sequestration was set up, which considered various factorsinvolved in site selection, ranging from safety, economical, environmental and technical issues. This work provides an important framework for the combined geothermal production and CO2 sequestration project. However, further numerical and field studies are still needed to improve on a series of criteria and related parameters necessary for a better understanding of the technology.
Book Synopsis Numerical study of coupled THM/C processes related to geo-energy production by : Yang Gou
Download or read book Numerical study of coupled THM/C processes related to geo-energy production written by Yang Gou and published by Cuvillier Verlag. This book was released on 2018-06-20 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis a parallel simulation platform, namely TOUGH2MP-FLAC3Dplus, was further developed by linking the multiphase multicomponent flow code TOUGH2MP and the further developed geomechanical code FLAC3Dplus for large-scale simulation of the coupled THM/C processes related to geo-energy production. A series of mathematical/physical models were developed and implemented in this platform, including (1) an improved equation of state for CO2-CH4-H2O-NaCl system which considers the effect of salt on phase partition and fluid properties in gas reservoirs; (2) a modified coupling approach for the simulation of hydraulic fracturing in tight geo-reservoirs, which considers the multiphase multicomponent leakoff effects; (3) a thermo-hydro-mechanical model based on a crack tensor for naturally fractured rock masses and faults. All these verified models have been applied in three different case studies, including CO2 enhanced gas recovery (EGR) in the Altmark natural gas field; (2) Hydraulic fracturing in three different types of geo-reservoirs (tight gas, oil and geothermal reservoir); (3) Geothermal energy utilization induced seismicity in Unterhaching. The developed models and the numerical platform can be used to predict the coupled THM/C behavior of rock formations, to optimize the CO2-EGR and hydraulic fracturing in tight geo-reservoirs, as well as reduce the geo-risks related to geo-energy production.
Book Synopsis Numerical study of underground CO2 storage and the utilization in depleted gas reservoirs by : Cheng Cao
Download or read book Numerical study of underground CO2 storage and the utilization in depleted gas reservoirs written by Cheng Cao and published by Cuvillier Verlag. This book was released on 2021-03-01 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon capture and storage (CCS) is considered as the most promising technology for slowing down the atmospheric CO2 emissions. However, CCS has not been implemented on large scale because of the related risks and the lack of financial incentives. Regarding the risks associated with CCS, a parametric uncertainty analysis for CO2 storage was conducted and the general roles of different key geomechanical and hydrogeological parameters in response to CO2 injection were determined, which is beneficial for guiding time and effort spent mitigating the uncertainty to acquire trustworthy model forecasts and risk assessments. Regarding the financial incentives of CCS, co-injection of CO2 with impurities associated with enhanced gas recovery was analyzed, which is advantageous for decreasing the cost on gas separation and generating additional economic profit. In addition, the utilization of CO2 as cushion gas in the underground gas storage reservoir was proposed and analyzed, which can also be beneficial for improving the cost-effectiveness of CCS. Overall, this thesis is advantageous for promoting the application of CCS on large scale and mitigating the atmospheric CO2 emissions. Die Kohlenstoffabscheidung und –speicherung (CCS) gilt als die vielversprechendste Technologie zur Verlangsamung der atmosphärischen CO2–Emissionen. CCS wurde jedoch aufgrund der damit verbundenen Risiken und des Mangels an finanziellen Anreizen nicht in großem Umfang implementiert. In Bezug auf die mit CCS verbundenen Risiken wurde eine parametrische Unsicherheitsanalyse für die CO2-Speicherung durchgeführt und die allgemeinen Rollen verschiedener geomechanischer und hydrogeologischer Schlüsselparameter als Reaktion auf die CO2-Injektion ermittelt. Dies ist hilfreich, um den Zeit- und Arbeitsaufwand für die Minderung der Unsicherheit zu verringern, um vertrauenswürdig zu werden Modellprognosen und Risikobewertungen. In Bezug auf die finanziellen Anreize von CCS wurde die gleichzeitige Injektion von CO2 mit Verunreinigungen im Zusammenhang mit einer verbesserten Gasrückgewinnung analysiert. Dies ist vorteilhaft, um die Kosten für die Gastrennung zu senken und zusätzlichen wirtschaftlichen Gewinn zu erzielen. Darüber hinaus wurde die Verwendung von CO2 als Polstergas im unterirdischen Gasspeicher vorgeschlagen und analysiert, was auch zur Verbesserung der Wirtschaftlichkeit von CCS beitragen kann. Insgesamt ist diese These vorteilhaft, um die Anwendung von CCS in großem Maßstab zu fördern und die atmosphärischen CO2-Emissionen zu verringern.
Book Synopsis Geological Sequestration of Carbon Dioxide by : Luigi Marini
Download or read book Geological Sequestration of Carbon Dioxide written by Luigi Marini and published by Elsevier. This book was released on 2006-10-12 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: The contents of this monograph are two-scope. First, it intends to provide a synthetic but complete account of the thermodynamic and kinetic foundations on which the reaction path modeling of geological CO2 sequestration is based. In particular, a great effort is devoted to review the thermodynamic properties of CO2 and of the CO2-H2O system and the interactions in the aqueous solution, the thermodynamic stability of solid product phases (by means of several stability plots and activity plots), the volumes of carbonation reactions, and especially the kinetics of dissolution/precipitation reactions of silicates, oxides, hydroxides, and carbonates. Second, it intends to show the reader how reaction path modeling of geological CO2 sequestration is carried out. To this purpose the well-known high-quality EQ3/6 software package is used. Setting up of computer simulations and obtained results are described in detail and used EQ3/6 input files are given to guide the reader step-by-step from the beginning to the end of these exercises. Finally, some examples of reaction-path- and reaction-transport-modeling taken from the available literature are presented. The results of these simulations are of fundamental importance to evaluate the amounts of potentially sequestered CO2, and their evolution with time, as well as the time changes of all the other relevant geochemical parameters (e.g., amounts of solid reactants and products, composition of the aqueous phase, pH, redox potential, effects on aquifer porosity). In other words, in this way we are able to predict what occurs when CO2 is injected into a deep aquifer. * Provides applications for investigating and predicting geological carbon dioxide sequestration * Reviews the geochemical literature in the field * Discusses the importance of geochemists in the multidisciplinary study of geological carbon dioxide sequestration
Author :United States. Energy Research and Development Administration. Division of Geothermal Energy Publisher : ISBN 13 : Total Pages :244 pages Book Rating :4.F/5 ( download)
Book Synopsis Annual Report, Geothermal Energy Research, Development & Demonstration Program by : United States. Energy Research and Development Administration. Division of Geothermal Energy
Download or read book Annual Report, Geothermal Energy Research, Development & Demonstration Program written by United States. Energy Research and Development Administration. Division of Geothermal Energy and published by . This book was released on 1977 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Carbon Dioxide Mineralization and Utilization by : Pen-Chi Chiang
Download or read book Carbon Dioxide Mineralization and Utilization written by Pen-Chi Chiang and published by Springer. This book was released on 2017-03-04 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on an important technology for mineralizing and utilizing CO2 instead of releasing it into the atmosphere. CO2 mineralization and utilization demonstrated in the waste-to-resource supply chain can “reduce carbon dependency, promote resource and energy efficiency, and lessen environmental quality degradation,” thereby reducing environmental risks and increasing economic benefits towards Sustainable Development Goals (SDG). In this book, comprehensive information on CO2 mineralization and utilization via accelerated carbonation technology from theoretical and practical considerations was presented in 20 Chapters. It first introduces the concept of the carbon cycle from the thermodynamic point of view and then discusses principles and applications regarding environmental impact assessment of carbon capture, storage and utilization technologies. After that, it describes the theoretical and practical considerations for “Accelerated Carbonation (Mineralization)” including analytical methods, and systematically presents the carbonation mechanism and modeling (process chemistry, reaction kinetics and mass transfer) and system analysis (design and analysis of experiments, life cycle assessment and cost benefit analysis). It then provides physico-chemical properties of different types of feedstock for CO2 mineralization and then explores the valorization of carbonated products as green materials. Lastly, an integral approach for waste treatment and resource recovery is introduced, and the carbonation system is critically assessed and optimized based on engineering, environmental, and economic (3E) analysis. The book is a valuable resource for readers who take scientific and practical interests in the current and future Accelerated Carbonation Technology for CO2 Mineralization and Utilization.
Book Synopsis Novel Approaches to Carbon Management by : National Research Council
Download or read book Novel Approaches to Carbon Management written by National Research Council and published by National Academies Press. This book was released on 2003-05-02 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Research Council's (NRC's) Committee on Novel Approaches to the Management of Greenhouse Gases from Energy Systems held a workshop at the Arnold and Mabel Beckman Center in Irvine, California, on February 12-14, 2003, to identify promising lines of research that could lead to currently unforeseen breakthroughs in the management of carbon from energy systems. The information identified by participants in the workshop will be used by the U.S. Department of Energy's (DOE's) Office of Fossil Energy (FE) to award grants for new research in carbon management. During the workshop, invited participants from a variety of disciplines contributed their expertise and creativity to addressing the problem of carbon management. The ideas developed during the workshop were synthesized into this report by the committee, which oversaw the organization and execution of the workshop. However, this workshop summary does not contain any committee conclusions or recommendations, but simply reports on research areas that were identified as promising during the workshop discussions. The purpose of the workshop, as noted, was to identify novel approaches to the management of carbon from energy systems. The workshop is part of a project conducted by the NRC for DOE's Office of Fossil Energy (DOE/FE). DOE/FE will consider the workshop report as it develops a solicitation to be issued in spring 2003. The solicitation will call for research proposals on enabling science and technology research on novel approaches for the management of carbon from energy systems. Chapters 2 through 6 of this report summarize the most promising new ideas on carbon management identified by each of the four subgroups at the workshop. In the respective chapters, the ideas are described, their significance is explained, and research opportunities are listed. Each chapter includes a statement of the scientific and engineering challenges related to its topic. Chapter 6 includes crosscutting issues not specific to one of the four subgroups. The chapters themselves do not include detailed analysis regarding feasibility, energy and mass balance, and so forth, as the workshop's time and scope did not permit this; it is assumed such analyses will be carried out in the research proposals that DOE funds.
Book Synopsis Carbon Management by : National Research Council
Download or read book Carbon Management written by National Research Council and published by National Academies Press. This book was released on 2001-08-15 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considerable international concerns exist about global climate change and its relationship to the growing use of fossil fuels. Carbon dioxide is released by chemical reactions that are employed to extract energy from fuels, and any regulatory policy limiting the amount of CO2 that could be released from sequestered sources or from energy-generating reactions will require substantial involvement of the chemical sciences and technology R&D community. Much of the public debate has been focused on the question of whether global climate change is occurring and, if so, whether it is anthropogenic, but these questions were outside the scope of the workshop, which instead focused on the question of how to respond to a possible national policy of carbon management. Previous discussion of the latter topic has focused on technological, economic, and ecological aspects and on earth science challenges, but the fundamental science has received little attention. This workshop was designed to gather information that could inform the Chemical Sciences Roundtable in its discussions of possible roles that the chemical sciences community might play in identifying and addressing underlying chemical questions.
Book Synopsis Thermo-Hydro-Mechanical-Chemical Processes in Fractured Porous Media: Modelling and Benchmarking by : Olaf Kolditz
Download or read book Thermo-Hydro-Mechanical-Chemical Processes in Fractured Porous Media: Modelling and Benchmarking written by Olaf Kolditz and published by Springer. This book was released on 2018-03-01 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book comprises the 3rd collection of benchmarks and examples for porous and fractured media mechanics. Analysis of thermo-hydro-mechanical-chemical (THMC) processes is essential to a wide area of applications in environmental engineering, such as geological waste deposition, geothermal energy utilization (shallow and deep systems), carbon capture and storage (CCS) as well as water resources management and hydrology. In order to assess the feasibility, safety as well as sustainability of geoenvironmental applications, model-based simulation is the only way to quantify future scenarios. This charges a huge responsibility concerning the reliability of conceptual models and computational tools. Benchmarking is an appropriate methodology to verify the quality and validate the concept of models based on best practices. Moreover, benchmarking and code comparison are building strong community links. The 3rd THMC benchmark book also introduces benchmark-based tutorials, therefore the subtitle is selected as “From Benchmarking to Tutoring”. The benchmark book is part of the OpenGeoSys initiative - an open source project to share knowledge and experience in environmental analysis and scientific computation. The new version of OGS-6 is introduced and first benchmarks are presented therein (see appendices).
Book Synopsis Co2 Sequestration By Ex-situ Mineral Carbonation by : Aimaro Sanna
Download or read book Co2 Sequestration By Ex-situ Mineral Carbonation written by Aimaro Sanna and published by World Scientific. This book was released on 2016-12-22 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: To meet human energy needs, the use of fossil fuels is set to continue well into the second half of the 21st century. In order to avoid irreversible climate change, carbon dioxide capture and storage (CCS) must be integrated into industrial processes. Mineral carbonation (MC) is increasingly seen as an effective technology solution for CCS of CO2. With the potential to sequester billions of tonnes per year, remarkable developments in mineral carbonation technology are taking place, particularly in USA, Australia and the European Union.This book brings together some of the world's leading experts in the field of sequestration to provide a critical assessment of progress to date. Chapters cover the resources available for MC, and also give a critical analysis of the technologies developed for sequestering carbon from industrial and power plants, including the use of the resultant carbonated product. The studies conclude with evaluation of key technical and economic obstacles which need to be addressed for future research, development and application. CO2 Sequestration by Ex-Situ Mineral Carbonation is essential reading for engineers, chemists and materials scientists in graduate or research positions, and for those interested in sustainability, the environment and ecology.
Book Synopsis Geoenergy Modeling III by : Norihiro Watanabe
Download or read book Geoenergy Modeling III written by Norihiro Watanabe and published by Springer. This book was released on 2016-11-10 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on numerical modeling of deep hydrothermal and petrothermal systems in fractured georeservoirs for utilization in Geothermal Energy applications. The authors explain the particular challenges and approaches to modeling heat transport and high-throughput flow in multiply fractured porous rock formations. In order to help readers gain a system-level understanding of the necessary analysis, the authors include detailed examples of growing complexity as the techniques explained in the text are introduced. The coverage culminates with the fully-coupled analysis of real deep geothermal test-sites located in Germany and France.
Book Synopsis Geological CO2 Storage Characterization by : Ronald C. Surdam
Download or read book Geological CO2 Storage Characterization written by Ronald C. Surdam and published by Springer Science & Business Media. This book was released on 2013-12-12 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book investigates geological CO2 storage and its role in greenhouse gas emissions reduction, enhanced oil recovery, and environmentally responsible use of fossil fuels. Written for energy/environmental regulators at every level of government (federal, state, etc.), scientists/academics, representatives from the power and fossil energy sectors, NGOs, and other interested parties, this book uses the characterization of the Rock Springs Uplift site in Wyoming as an integrated case study to illustrate the application of geological CO2 storage science, principles, and theory in a real-world scenario.
Book Synopsis Geoenergy Modeling I by : Norbert Böttcher
Download or read book Geoenergy Modeling I written by Norbert Böttcher and published by Springer. This book was released on 2016-06-27 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: This introduction to geothermal modeling deals with flow and heat transport processes in porous and fractured media related to geothermal energy applications. Following background coverage of geothermal resources and utilization in several countries, the basics of continuum mechanics for heat transport processes, as well as numerical methods for solving underlying governing equations are discussed. This examination forms the theoretical basis for five included step-by-step OpenGeoSys exercises, highlighting the most important computational areas within geothermal resource utilization, including heat diffusion, heat advection in porous and fractured media, and heat convection. The book concludes with an outlook on practical follow-up contributions investigating the numerical simulation of shallow and deep geothermal systems.
Book Synopsis Numerical study of the stimulation related thermo-hydro-mechanical processes in tight gas and deep geothermal reservoirs by : Wentao Feng
Download or read book Numerical study of the stimulation related thermo-hydro-mechanical processes in tight gas and deep geothermal reservoirs written by Wentao Feng and published by Cuvillier Verlag. This book was released on 2020-03-05 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydraulic fracturing in combination with horizontal well is playing a key role in the efficient development of unconventional gas/oil reservoirs and deep geothermal resources. However, the integral operation, especially from the perspective of THM (Thermal-Hydraulic-Mechanic) interactions have not been studied systematically. In this thesis, targeted improvements were achieved through developing a series of mathematical/physical models, and their implementation into the existing numerical tools (FLAC3Dplus and TOUGH2MP-FLAC3D), including: (a) a new thermal module for FLAC3Dplus based entirely on the finite volume method (FVM), which is especially developed for the fracturing process and can also achieve the modeling of gel breaking; (b) a rock damage module of TOUGH2MP-FLAC3D, which also considers the impacts of rock damaging process on evolution of permeability; (c) an in-depth improved FLAC3Dplus simulator that obtains the ability to simulate a 3D fracture propagation with arbitrary orientation. After the corresponding verifications, the improved tools were applied in different case studies to reveal: a) influences of the fluid’s viscosity on the fracturing results in tight sandstone reservoirs; b) the induced seismicity during the fracturing operation and the reactivation of the natural faults; and c) the fracture propagation with arbitrary orientation.
Book Synopsis Potential of Low-Medium Enthalpy Geothermal Energy by : Elisabet Palomo
Download or read book Potential of Low-Medium Enthalpy Geothermal Energy written by Elisabet Palomo and published by Springer Nature. This book was released on 2022-02-11 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights the importance of geothermal energy by studying its potential either alone or in combination with solar energy, focusing on its industrial application. Its starting point is to identify in a thorough and precise manner the barriers that hinder the implementation of geothermal energy in Spain and the European Union and the measures to be taken to achieve its diffusion and regular use. Next, the book looks at how geothermal energy could contribute to this sector and to the desalination industry in particular, analysing a specific case in the south of Spain and extrapolating its results to a set of existing desalination plants in the Spanish Mediterranean with really interesting results in terms of economic amortisation and CO2 emissions avoided to the atmosphere. Beyond the desalination industry, this work demonstrates that almost 85% of the industrial processes of all industry in Spain can be carried out with very low, low and medium temperature geothermal resources and even applies its results to a set of existing solar plants, comparing in economic terms the results already obtained with those that would have been obtained if geothermal energy had been applied.
Book Synopsis Geothermal Energy by : National Science Foundation (U.S.)
Download or read book Geothermal Energy written by National Science Foundation (U.S.) and published by . This book was released on 1972 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Introduction to the Numerical Modeling of Groundwater and Geothermal Systems by : Jochen Bundschuh
Download or read book Introduction to the Numerical Modeling of Groundwater and Geothermal Systems written by Jochen Bundschuh and published by CRC Press. This book was released on 2010-07-05 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an introduction to the scientific fundamentals of groundwater and geothermal systems. In a simple and didactic manner the different water and energy problems existing in deformable porous rocks are explained as well as the corresponding theories and the mathematical and numerical tools that lead to modeling and solving them. This
