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Geosciences
Special Issues
Novel Research in Carbon Capture and Storage
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Novel Research in Carbon Capture and Storage

A special issue of Geosciences (ISSN 2076-3263). This special issue belongs to the section "Climate".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 2700

Special Issue Editors

Dr. Martin Ma

E-Mail Website
Guest Editor
Computational Earth Science, Los Alamos National Laboratory, Los Alamos, NM, USA
Interests: reservoir simulation; production optmization; machine learning; CO2 storage
Special Issues, Collections and Topics in MDPI journals
Dr. Xiao Tian

E-Mail Website
Guest Editor
Visa Research, Austin, TX 78759, USA
Interests: machine learning; simulation; shale gas; EOR

Special Issue Information

Dear Colleagues,

Carbon capture and storage (CCS) is an indispensable tool to mitigate climate change and limit global warming below 1.5 ºC. In general, CCS is a complex process, and it refers to a series of technologies to capture carbon (usually as CO2) emitted by various processes, to then either be used or stored in an underground reservoir. Therefore, in recent years, CCS has received considerable attention from government, industry, and academia. Although extensive research has been carried out on CCS-related topics, there is still room for improvement in current techniques and methods for CCS.

In this Special Issue, we would like to invite authors to submit their new research covering applied science and engineering advances in CCS. Original research and review papers related to experimental, simulation, and pilot studies, techno-economic analysis, new technology demonstrations, policy evaluations, and process designs for CCS projects are welcome. Examples of the relevant topics include, but not limited to, CO2 capture/storage technology, CO2 injection well and caprock integrity, CCS technology evaluations, geological formation/storage capacity assessments, techniques for CO2 plume monitoring, optimization and simulation of CCS projects, CCS transport and infrastructure design, risk assessments and safety issues for CO2 storage and transport, policies for large-scale CCS deployments,  machine learning applications in CCS, and CCS projects for GHG mitigation.

We hope that this Special Issue would include many of original research and review articles related to the new developments and advances in CCS. We believe that those published papers through this Special Issue will be of great interest to many readers from government, industry and academia, and will facilitate the development of new technologies/projects for CCS to decarbonize the global economy.

Dr. Martin Ma
Dr. Xiao Tian
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Geosciences is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • climate change
  • CCS
  • Optimization
  • simulation and modeling
  • machine learning
  • pipeline infrastructure
  • CO2 Capture
  • CCS policy development
  • CO2 monitoring
  • CCS economic analysis and evaluation

Published Papers (2 papers)

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18 pages, 4330 KiB  
Article
On the Flow of CO2-Saturated Water in a Cement Fracture
by De Nyago Tafen, Barbara Kutchko and Mehrdad Massoudi
Geosciences 2023, 13(10), 312; https://doi.org/10.3390/geosciences13100312 - 17 Oct 2023
Viewed by 1163
Abstract
Cement fractures represent preferential leakage pathways in abandoned wells upon exposure to a CO2-rich fluid. Understanding fracture alteration resulting from geochemical reactions is critical for assessing well integrity in CO2 storage. This paper describes a mathematical model used to investigate [...] Read more.
Cement fractures represent preferential leakage pathways in abandoned wells upon exposure to a CO2-rich fluid. Understanding fracture alteration resulting from geochemical reactions is critical for assessing well integrity in CO2 storage. This paper describes a mathematical model used to investigate the physical and the chemical changes in cement properties when CO2-saturated water is injected into a wellbore. This study examines the flow of a solution of CO2-saturated water in a two-dimensional fractured cement. In this approach, a micro-continuum equation based on the Darcy–Brinkman–Stokes (DBS) equation is used as the momentum balance equation; in addition, reactive transport equations are used to study the coupled processes of reactant transport and geochemical reactions, and the model for cement porosity alteration and fracture enhancement. This paper focuses on the effects of cement porosity, fracture aperture size, and surface roughness. Mineral dissolution and precipitation mechanisms are also considered. Our simulations show that smaller initial fracture apertures tend to a high mineral precipitation self-sealing. However, a complete sealing of the fracture is not observed due to the continuous flow of CO2-saturated water. The calcite precipitation mechanism of a rough fracture (random zigzag shape) differs from that of a smooth/flat fracture surface. Full article
(This article belongs to the Special Issue Novel Research in Carbon Capture and Storage)
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25 pages, 4740 KiB  
Article
Features of Soil Organic Carbon Transformations in the Southern Area of the East European Plain
by Fedor N. Lisetskii, Zhanna A. Buryak, Olga A. Marinina, Pavel A. Ukrainskiy and Pavel V. Goleusov
Geosciences 2023, 13(9), 278; https://doi.org/10.3390/geosciences13090278 - 14 Sep 2023
Cited by 1 | Viewed by 1026
Abstract
The active development of the problems related to the assessment of the role of the pedosphere in global climate change involves the possibility of application of the quantitative determination of soil organic carbon (SOC) as one of the indicators of a climatic response. [...] Read more.
The active development of the problems related to the assessment of the role of the pedosphere in global climate change involves the possibility of application of the quantitative determination of soil organic carbon (SOC) as one of the indicators of a climatic response. Here, the authors have summarized the results of their own research over many years (1985–2023), comprising more than 500 determinations of SOC within the area of the Chernozem zone, in the south of the East European Plain (Moldova and Bessarabia, southern Ukraine, southwestern Russia), in the context of regional climate differentiation using evaluations of climatic energy consumption for soil formation. The data were structured for each of the regions through the creation of series of agrogenic soil transformations (virgin land, modern-day ploughed land (<100 years), continually ploughed land (>100 years), fallow land of the modern era (n·10 years), and post-antique long-term fallow land). It has been established, by means of statistical treatment of the data, that the intraregional differentiation of the bioclimatic conditions is the key factor determining the SOC content in the top horizon of soils in the south of the East European Plain. The comparison of the SOC content within the five variants of land use demonstrated that all the regions under study differed, with statistical significance only found in a single type of ‘continually ploughed land’ (>100 years). This fact reflects the leading role of the duration of agrarian loads in agropedogenesis. If the steppe Chernozems even 145 years ago had a SOC content of up to 4%, then the Chernozems in the forest-steppe zone, which used to have habitats with a SOC content of 4–7%, occupied the largest areas, and have now lost 30–40% of the original values in the 0–50 cm layer. Besides the rates of the SOC degradation, which are known and are comprehensively evaluated in the present work, the phenomenon of progradation was established in certain situations, in particular arising during the rotation regime of land use (from ploughing to fallow fields, and vice versa), which stimulated effective mechanisms of reproduction of organic substances. Thus, in one of the ancient agricultural regions, where in antiquity the land was cultivated by such ancient Greek states as Tauric Chersonesos and the European Bosporos in Crimea, post-antique long-term fallow lands possess higher SOC contents than their virgin analogues. It is not justified to consider virgin lands as absolute references for the evaluation of the humus conditions since the analysis of agrogenic series of Chernozems has corroborated an essential role of the soil organo-mineral matrix in the formation of the carbon protection capacity. Full article
(This article belongs to the Special Issue Novel Research in Carbon Capture and Storage)
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