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Kirmani FUD, Raza A, Ahmad S, Arif M, Mahmoud M. A holistic overview of the in-situ and ex-situ carbon mineralization: Methods, mechanisms, and technical challenges. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 943:173836. [PMID: 38866157 DOI: 10.1016/j.scitotenv.2024.173836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Accepted: 06/05/2024] [Indexed: 06/14/2024]
Abstract
To mitigate anthropogenic CO2 emissions and address the climate change effects, carbon capture and storage by mineralization (CCSM) and industrial mineral carbonation are gaining attraction. Specifically, in-situ carbon mineralization in the subsurface geological formations occurs due to the transformation of silicate minerals into carbonates (e.g., CaCO3, MgCO3) while ex-situ carbon mineralization at the surface undergoes chemical reactions with metal cations - thus leading to permanent storage. However, both processes are complex and require a rigorous investigation to enable large-scale mineralization. This paper, therefore, aims to provide an overreaching review of the in-situ and ex-situ methods for carbon mineralization for different rock types, various engineered processes, and associated mechanisms pertinent to mineralization. Furthermore, the factors influencing in-situ and ex-situ processes, e.g., suitable minerals, optimal operating conditions, and technical challenges, have also been inclusively reviewed. Our findings suggest that in-situ carbon mineralization, i.e., subsurface permanent storage of CO2 by mineralization, arguably is more promising than ex-situ mineralization due to energy efficiency and large-scale storage potential. Furthermore, the effect of rock type can be ranked as igneous (basalt) > carbonates (sedimentary) > sandstone (sedimentary) to consider for rapid and large-scale CCSM. The findings of this review will, therefore, help towards a better understanding of carbon mineralization, which contributes towards large-scale CO2 storage to meet the global net-zero targets.
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Affiliation(s)
- Farzain Ud Din Kirmani
- Department of Petroleum and Gas Engineering, NFC Institute of Engineering and Technology, Pakistan
| | - Arshad Raza
- Department of Petroleum Engineering, College of Petroleum and Geosciences, King Fahd University of Petroleum & Minerals (KFUPM), 31261, Saudi Arabia.
| | - Sheraz Ahmad
- Department of Petroleum and Gas Engineering, NFC Institute of Engineering and Technology, Pakistan
| | - Muhammad Arif
- Department of Chemical and Petroleum Engineering, Khalifa University, Abu Dhabi, 127788, United Arab Emirates
| | - Mohamed Mahmoud
- Department of Petroleum Engineering, College of Petroleum and Geosciences, King Fahd University of Petroleum & Minerals (KFUPM), 31261, Saudi Arabia
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Tiwari T, Kaur GA, Singh PK, Balayan S, Mishra A, Tiwari A. Emerging bio-capture strategies for greenhouse gas reduction: Navigating challenges towards carbon neutrality. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 929:172433. [PMID: 38626824 DOI: 10.1016/j.scitotenv.2024.172433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 02/20/2024] [Accepted: 04/10/2024] [Indexed: 04/25/2024]
Abstract
Greenhouse gas emissions are significantly contributing to climate change, posing one of the serious threats to our planet. Addressing these emissions urgently is imperative to prevent irreversible planetary changes. One effective long-term mitigation strategy is achieving carbon neutrality. Although numerous countries aim for carbon neutrality by 2050, only a few are on track to realize this ambition. Existing technological solutions, including chemical absorption, cryogenic separation, and membrane separation, are available but tend to be costly and time intensive. Bio-capture methods present a promising opportunity in greenhouse gas mitigation research. Recent developments in biotechnology for capturing greenhouse gases have demonstrated both effectiveness and long-term benefits. This review emphasizes the recent advancements in bio-capture techniques, showcasing them as dependable and economical solutions for carbon neutrality. The article briefly outlines various bio-capture methods and underscores their potential for industrial application. Moreover, it investigates into the challenges faced when integrating bio-capture with carbon capture and storage technology. The study concludes by exploring the recent trends and prospective enhancements in ecosystem revitalization and industrial decarbonization through green conversion techniques, reinforcing the path towards carbon neutrality.
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Affiliation(s)
- Tanmay Tiwari
- Institute of Advanced Materials, IAAM, Gammalkilsvägen 18, Ulrika, 590 53, Sweden; International Institute of Water, Air Force Radar Road, Bijolai, Jodhpur 342003, India
| | - Gun Anit Kaur
- Institute of Advanced Materials, IAAM, Gammalkilsvägen 18, Ulrika, 590 53, Sweden; International Institute of Water, Air Force Radar Road, Bijolai, Jodhpur 342003, India
| | - Pravin Kumar Singh
- Institute of Advanced Materials, IAAM, Gammalkilsvägen 18, Ulrika, 590 53, Sweden; International Institute of Water, Air Force Radar Road, Bijolai, Jodhpur 342003, India
| | - Sapna Balayan
- Institute of Advanced Materials, IAAM, Gammalkilsvägen 18, Ulrika, 590 53, Sweden; International Institute of Water, Air Force Radar Road, Bijolai, Jodhpur 342003, India
| | - Anshuman Mishra
- Institute of Advanced Materials, IAAM, Gammalkilsvägen 18, Ulrika, 590 53, Sweden; International Institute of Water, Air Force Radar Road, Bijolai, Jodhpur 342003, India
| | - Ashutosh Tiwari
- Institute of Advanced Materials, IAAM, Gammalkilsvägen 18, Ulrika, 590 53, Sweden; International Institute of Water, Air Force Radar Road, Bijolai, Jodhpur 342003, India.
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Dao PU, Heuzard AG, Le TXH, Zhao J, Yin R, Shang C, Fan C. The impacts of climate change on groundwater quality: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169241. [PMID: 38072271 DOI: 10.1016/j.scitotenv.2023.169241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 11/02/2023] [Accepted: 12/07/2023] [Indexed: 12/17/2023]
Abstract
Groundwater has been known as the second largest freshwater storage in the world, following surface water. Over the years, groundwater has already been under overwhelming pressure to satisfy human needs for artificial activities around the world. Meanwhile, the most noticeable footprint of human activities is the impact of climate change. Climate change has the potential to change the physical and chemical properties of groundwater, thereby affecting its ecological functions. This study summarizes existing research affiliated with the possible effects of a changing climate on the quality of groundwater, including changes in water availability, increased salinity and pollution from extreme weather events, and the potentiality of seawater intrusion into coastal aquifers. Previous works dealing with groundwater-induced responses to the climate system and climate impacts on groundwater quality through natural and anthropogenic processes have been reviewed. The climate-induced changes in groundwater quality including pH, dissolved oxygen level, salinity, and concentrations of organic and inorganic compounds were assessed. Some future research directions are proposed, including exploring the potential changes in the occurrences and fate of micropollutants in groundwater, examining the relationship between the increase of microcystin in groundwater and climate change, studying the changes in the stability of metals and metal complexation, and completing studies across different regional climate regions.
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Affiliation(s)
- Phuong Uyen Dao
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Arnaud Guillaume Heuzard
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Thi Xuan Hoa Le
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Jing Zhao
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
| | - Ran Yin
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Chii Shang
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong; Hong Kong Branch of Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Chihhao Fan
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, Taiwan.
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