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Patil T, Naji A, Mondal U, Pandey I, Unnarkat A, Dharaskar S. Sustainable methanol production from carbon dioxide: advances, challenges, and future prospects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:44608-44648. [PMID: 38961021 DOI: 10.1007/s11356-024-34139-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Accepted: 06/23/2024] [Indexed: 07/05/2024]
Abstract
The urgent need to address global carbon emissions and promote sustainable energy solutions has led to a growing interest in carbon dioxide (CO2) conversion technologies. Among these, the transformation of CO2 into methanol (MeOH) has gained prominence as an effective mitigation strategy. This review paper provides a comprehensive exploration of recent advances and applications in the direct utilization of CO2 for the synthesis of MeOH, encompassing various aspects from catalysts to market analysis, environmental impact, and future prospects. We begin by introducing the current state of CO2 mitigation strategies, highlighting the significance of carbon recycling through MeOH production. The paper delves into the chemistry and technology behind the conversion of CO2 into MeOH, encompassing key themes such as feedstock selection, material and energy supply, and the various conversion processes, including chemical, electrochemical, photochemical, and photoelectrochemical pathways. An in-depth analysis of heterogeneous and homogeneous catalysts for MeOH synthesis is provided, shedding light on the advantages and drawbacks of each. Furthermore, we explore diverse routes for CO2 hydrogenation into MeOH, emphasizing the technological advances and production processes associated with this sustainable transformation. As MeOH holds a pivotal role in a wide range of chemical applications and emerges as a promising transportation fuel, the paper explores its various chemical uses, transportation, storage, and distribution, as well as the evolving MeOH market. The environmental and energy implications of CO2 conversion to MeOH are discussed, including a thermodynamic analysis of the process and cost and energy evaluations for large-scale catalytic hydrogenation.
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Affiliation(s)
- Tushar Patil
- Centre for Sustainable Technologies, Department of Chemical Engineering, School of Energy Technology, Pandit Deendayal Energy University, Raisan, Gandhinagar, Gujarat, 390019, India
| | - Arkan Naji
- Centre for Sustainable Technologies, Department of Chemical Engineering, School of Energy Technology, Pandit Deendayal Energy University, Raisan, Gandhinagar, Gujarat, 390019, India
| | - Ujjal Mondal
- Sustainability Centre of Excellence, Larsen & Toubro Technology Services, Vadodara, Gujarat, 382426, India
| | - Indu Pandey
- Larsen & Toubro Technology Services, Larsen & Toubro Tech Park, Byatarayanapura, Bengaluru, Karnataka, 560092, India
| | - Ashish Unnarkat
- Centre for Sustainable Technologies, Department of Chemical Engineering, School of Energy Technology, Pandit Deendayal Energy University, Raisan, Gandhinagar, Gujarat, 390019, India
| | - Swapnil Dharaskar
- Centre for Sustainable Technologies, Department of Chemical Engineering, School of Energy Technology, Pandit Deendayal Energy University, Raisan, Gandhinagar, Gujarat, 390019, India.
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Signorile M, Salusso D, Crocellà V, Paganini MC, Bordiga S, Bonino F, Ferri D. Surface species in direct liquid phase synthesis of dimethyl carbonate from methanol and CO 2: an MCR-ALS augmented ATR-IR study. Phys Chem Chem Phys 2023; 25:8392-8402. [PMID: 36892423 DOI: 10.1039/d2cp05800f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
The reaction mechanism of dimethyl carbonate (DMC) production over ZrO2 from CO2 and CH3OH is well-known, but the level of understanding has not improved in the last decade. Most commonly, the reaction mechanism has been explored in the gas phase, whilst DMC production occurs in the liquid phase. To overcome this contradiction, we exploited in situ ATR-IR spectroscopy to study DMC formation over ZrO2 in the liquid phase. A multiple curve resolution-alternate least square (MCR-ALS) approach was applied to spectra collected during the CO2/CH3OH interaction with the catalyst surface, leading to the identification of five pure components with their respective concentration profiles. CO2 and CH3OH activation to carbonates and methoxide species was found to strongly depend on the reaction temperature. Low temperature prevents methanol dissociation leaving a catalyst covered with stable carbonates, whilst higher temperature decreases the stability of the carbonates and enhances the formation of methoxides. A reaction path involving the methoxide/carbonate interaction at the surface was observed at low temperature (≤50 °C). We propose that a different reaction path, independent of carbonate formation and involving the direct CO2/methoxide interplay, occurs at 70 °C.
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Affiliation(s)
- Matteo Signorile
- Dipartimento di Chimica, NIS e INSTM, Universita di Torino, Via P. Giuria 7, I-10125 Torino and Via G. Quarello 15/A, I-10135, Torino, Italy.
| | - Davide Salusso
- Dipartimento di Chimica, NIS e INSTM, Universita di Torino, Via P. Giuria 7, I-10125 Torino and Via G. Quarello 15/A, I-10135, Torino, Italy.
| | - Valentina Crocellà
- Dipartimento di Chimica, NIS e INSTM, Universita di Torino, Via P. Giuria 7, I-10125 Torino and Via G. Quarello 15/A, I-10135, Torino, Italy.
| | - Maria Cristina Paganini
- Dipartimento di Chimica, NIS e INSTM, Universita di Torino, Via P. Giuria 7, I-10125 Torino and Via G. Quarello 15/A, I-10135, Torino, Italy.
| | - Silvia Bordiga
- Dipartimento di Chimica, NIS e INSTM, Universita di Torino, Via P. Giuria 7, I-10125 Torino and Via G. Quarello 15/A, I-10135, Torino, Italy.
| | - Francesca Bonino
- Dipartimento di Chimica, NIS e INSTM, Universita di Torino, Via P. Giuria 7, I-10125 Torino and Via G. Quarello 15/A, I-10135, Torino, Italy.
| | - Davide Ferri
- Paul Scherrer Institut, CH-5232, Villigen, Switzerland
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Zhang Z, Hu G, Mu X, Kong L. From low carbon to carbon neutrality: A bibliometric analysis of the status, evolution and development trend. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 322:116087. [PMID: 36041302 DOI: 10.1016/j.jenvman.2022.116087] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 08/13/2022] [Accepted: 08/20/2022] [Indexed: 06/15/2023]
Abstract
With global climate change becoming increasingly serious, carbon neutrality, a key strategy to mitigate climate change, has attracted widespread attention. However, due to the multidisciplinary and complexity of carbon neutrality studies, as well as the diversification of research content, a comprehensive review and systematic synthesis of which is quite limited. In this paper, a bibliometric analysis on the topic of carbon neutrality is conducted to reveal the research progress from a quantitative and visual perspective and describe the evolution of research hotspots. The results show that carbon neutrality research is abundant at both the macro and micro levels. Low carbon development is the premise of carbon neutrality, and emission reduction and carbon sinks are the basis of carbon neutrality. The degree of research varies significantly in different countries, with China dominating in the number of publications, followed by the USA and the UK. The realization of carbon neutrality cannot be fully achieved by one single perspective and requires a comprehensive and systematic analysis of technology, economy, and society. Carbon neutrality is a technology-driven process guided by policy. Economically, carbon taxes and carbon markets are two important market mechanisms for reducing carbon emissions. Technically, researches of negative carbon technologies and renewable energy are growing rapidly. Carbon market, carbon negative technology, circular economy, and green energy will become the focus of future research. This paper helps scholars to understand the overall state of carbon neutrality research and provides a historical reference for future research.
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Affiliation(s)
- Zheng Zhang
- Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China; Institute of Circular Economy, Beijing University of Technology, Beijing, 100124, China
| | - Guangwen Hu
- Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China; Institute of Circular Economy, Beijing University of Technology, Beijing, 100124, China
| | - Xianzhong Mu
- Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China; Institute of Circular Economy, Beijing University of Technology, Beijing, 100124, China.
| | - Li Kong
- Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China; Institute of Circular Economy, Beijing University of Technology, Beijing, 100124, China
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Recent Advances in Small-Scale Carbon Capture Systems for Micro-Combined Heat and Power Applications. ENERGIES 2022. [DOI: 10.3390/en15082938] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
To restrict global warming and relieve climate change, the world economy requires to decarbonize and reduce carbon dioxide (CO2) emissions to net-zero by mid-century. Carbon capture and storage (CCS), and carbon capture and utilization (CCU), by which CO2 emissions are captured from sources such as fossil power generation and combustion processes, and further either reused or stored, are recognized worldwide as key technologies for global warming mitigation. This paper provides a review of the latest published literature on small-scale carbon capture (CC) systems as applied in micro combined heat and power cogeneration systems for use in buildings. Previous studies have investigated a variety of small- or micro-scale combined heat and power configurations defined by their prime mover for CC integration. These include the micro gas turbine, the hybrid micro gas turbine and solid-state fuel cell system, and the biomass-fired organic Rankine cycle, all of which have been coupled with a post-combustion, amine-based absorption plant. After these configurations are defined, their performance is discussed. Considerations for optimizing the overall system parameters are identified using the same sources. The paper considers optimization of modifications to the micro gas turbine cycles with exhaust gas recirculation, humidification, and more advanced energy integration for optimal use of waste heat. Related investigations are based largely on numerical studies, with some preliminary experimental work undertaken on the Turbec T100 micro gas turbine. A brief survey is presented of some additional topics, including storage and utilization options, commercially available CC technologies, and direct atmospheric capture. Based on the available literature, it was found that carbon capture for small-scale systems introduces a large energy penalty due to the low concentration of CO2 in exhaust gases. Further development is required to decrease the energy loss from CC for economic feasibility on a small scale. For the micro gas turbine, exhaust gas recirculation, selective gas recirculation, and humidification were shown to improve overall system economic performance and efficiency. However, the highest global efficiencies were achieved by leveraging turbine exhaust waste heat to reduce the thermal energy requirement for solvent regeneration in the CC plant during low- or zero-heating loads. It was shown that although humidification cycles improved micro gas turbine cycle efficiencies, this may not be the best option to improve global efficiency if turbine waste heat is properly leveraged based on heating demands. The biomass-organic Rankine cycle and hybrid micro gas turbine, and solid-state fuel cell systems with CC, are in early developmental stages and require more research to assess their feasibility. However, the hybrid micro gas turbine and solid-state fuel cell energy system with CC was shown numerically to reach high global efficiency (51.4% LHV). It was also shown that the biomass-fired organic Rankine cycle system could result in negative emissions when coupled with a CC plant. In terms of costs, it was found that utilization through enhanced oil recovery was a promising strategy to offset the cost of carbon capture. Direct atmospheric capture was determined to be less economically feasible than capture from concentrated point sources; however, it has the benefit of negative carbon emissions.
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Comparative Techno-Economic Analysis of Carbon Capture Processes: Pre-Combustion, Post-Combustion, and Oxy-Fuel Combustion Operations. SUSTAINABILITY 2021. [DOI: 10.3390/su132413567] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Evaluation of economic aspects is one of the main milestones that affect taking rapid actions in dealing with GHGs mitigation; in particular, avoiding CO2 emissions from large source points, such as power plants. In the present study, three kinds of capturing solutions for coal power plants as the most common source of electricity generation have been studied from technical and economic standpoints. Aspen HYSYS (ver.11) has been used to simulate the overall processes, calculate the battery limit, and assess required equipment. The Taylor scoring method has been utilized to calculate the costliness indexes, assessing the capital and investment costs of a 230 MW power plant using anthracite coal with and without post-combustion, pre-combustion, and oxy-fuel combustion CO2 capture technologies. Comparing the costs and the levelized cost of electricity, it was found that pre-combustion is more costly, to the extent that the total investment for it is approximately 1.6 times higher than the oxy-fuel process. Finally, post-combustion, in terms of maturity and cost-effectiveness, seems to be more attractive, since the capital cost and indirect costs are less. Most importantly, this can be applied to the existing plants without major disruption to the current operation of the plants.
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Agaton CB. Application of real options in carbon capture and storage literature: Valuation techniques and research hotspots. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 795:148683. [PMID: 34246146 DOI: 10.1016/j.scitotenv.2021.148683] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 06/04/2021] [Accepted: 06/22/2021] [Indexed: 06/13/2023]
Abstract
Carbon capture and storage (CCS) is one of the key technologies and measures for the energy transition towards achieving the climate targets. Accounting for the high uncertainty, risks, and irreversibility of CCS projects, a growing number of studies apply the real options (RO) approaches which allow flexibility in the valuation of uncertain investment. Various RO models and valuation techniques are adopted and the critical analysis of the research trends and research hotspots in RO designs in CCS investments has not been made yet. This study employs a bibliometric analysis to examine the features of CCS literature including the research focus and trends as well RO uncertainty and models, types of options, and valuation techniques. The results present a comprehensive overview of the state-of-the-art which provides researchers a concrete basis for future research and directions for further development. This further provides energy and environmental policymakers and CCS project planners with valuable insights on various aspects of CCS policy and project design.
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Affiliation(s)
- Casper Boongaling Agaton
- Utrecht School of Economics, Utrecht University, Kriekenpitplein 21-22, Utrecht 3584 EC, the Netherlands; Copernicus Institute of Sustainable Development, Utrecht University, Princetonlaan 8a, Utrecht 3584 CS, the Netherlands.
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A Process for Carbon Dioxide Capture Using Schiff Bases Containing a Trimethoprim Unit. Processes (Basel) 2021. [DOI: 10.3390/pr9040707] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Environmental problems associated with the growing levels of carbon dioxide in the atmosphere due to the burning of fossil fuels to satisfy the high demand for energy are a pressing concern. Therefore, the design of new materials for carbon dioxide storage has received increasing research attention. In this work, we report the synthesis of three new Schiff bases containing a trimethoprim unit and the investigation of their application as adsorbents for carbon dioxide capture. The reaction of trimethoprim and aromatic aldehydes in acid medium gave the corresponding Schiff bases in 83%–87% yields. The Schiff bases exhibited surface areas ranging from 4.15 to 20.33 m2/g, pore volumes of 0.0036–0.0086 cm3/g, and average pore diameters of 6.64–1.4 nm. An excellent carbon dioxide uptake (27–46 wt%) was achieved at high temperature and pressure (313 K and 40 bar, respectively) using the Schiff bases. The 3-hydroxyphenyl-substituted Schiff base, which exhibited a meta-arrangement, provided the highest carbon dioxide uptake (46 wt%) due to its higher surface area, pore volume, and pore diameter compared with the other two derivatives with a para-arrangement.
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Arokiyanathan AL, Lakshmipathi S. Theoretical perspective on the interaction of CO2 and H2O molecules with functionalized magnesium and scandium phthalocyanines. Theor Chem Acc 2021. [DOI: 10.1007/s00214-021-02732-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Wong SL, Nyakuma BB, Nordin AH, Lee CT, Ngadi N, Wong KY, Oladokun O. Uncovering the dynamics in global carbon dioxide utilization research: a bibliometric analysis (1995-2019). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:13842-13860. [PMID: 33196996 DOI: 10.1007/s11356-020-11643-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 11/11/2020] [Indexed: 05/13/2023]
Abstract
The anthropogenic emission of carbon dioxide (CO2) into the atmosphere is recognized as the main contributor to global climate change. To date, scientists have developed various strategies, including CO2 utilization technologies, to reduce global carbon emissions. This paper presents the global scientific landscape of the CO2 utilization research from 1995 to 2019 based on a bibliometric analysis of 1875 publications extracted from Web of Science. The findings indicate a major increase in the number of publications and citations received from 2015 to 2019, denoting a fast-emerging research trend. The dynamics of global CO2 utilization research is partly driven by China's policies and research funding to promote low-carbon economic development. Applied Energy is recognized as a core journal in this research topic. The utilization of CO2 is a multidisciplinary topic that has progressed by multidimensional collaborations at the country and organizations levels, while the formation of co-authorship networks at the individual level is mostly influenced by the authors' affiliations. Keyword co-occurrence analysis reveals a rapid evolution in the CO2 utilization strategies from chemical fixation in carbonates and epoxides to pilot-scale testing of power-to-gas technologies in Europe and the USA. The development of efficient power-to-fuel technologies and biological utilization routes (using microalgae and bacteria) will probably be the next research priorities in CO2 utilization research.
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Affiliation(s)
- Syie Luing Wong
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Bemgba Bevan Nyakuma
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Abu Hassan Nordin
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Chew Tin Lee
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- Innovation Centre in Agri-Technology for Advanced Bioprocess, Universiti Teknologi Malaysia Pagoh, 84600, Pagoh, Johor, Malaysia
| | - Norzita Ngadi
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia.
| | - Keng Yinn Wong
- School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Olagoke Oladokun
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
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Nathanael AJ, Kannaiyan K, Kunhiraman AK, Ramakrishna S, Kumaravel V. Global opportunities and challenges on net-zero CO 2 emissions towards a sustainable future. REACT CHEM ENG 2021. [DOI: 10.1039/d1re00233c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Artistic representation of CO2 emissions from various sources into the atmosphere, and its consequence on the global climatic conditions.
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Affiliation(s)
- A. Joseph Nathanael
- Centre for Biomaterials, Cellular and Molecular Theranostics, Vellore Institute of Technology, India
| | - Kumaran Kannaiyan
- Mechanical Engineering, Guangdong Technion Israel Institute of Technology, China
| | | | - Seeram Ramakrishna
- Department of Mechanical Engineering, Center for Nanofibers and Nanotechnology, National University of Singapore, Singapore
| | - Vignesh Kumaravel
- Department of Environmental Science, School of Science, Institute of Technology Sligo, Ireland
- Centre for Precision Engineering, Materials and Manufacturing Research (PEM), Institute of Technology Sligo, Ireland
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Abstract
It is essential to address research into low-cost technologies, as those employed on a wide scale demand a great amount of resources. The main goal of this work was to analyze the research on low cost technologies worldwide by studying the scientific output recorded in the Scopus database. This analysis makes it possible to determine the evolution of research into low cost technologies. In particular, we analyzed the distribution of this research by the different scientific categories, the categories’ evolution over time, the types of publications, the geographical distribution throughout different countries, the main institutions in each scientific category, and the areas of research identified through the main keywords indexed in the publications. A remarkable finding of this work has been that the universities that are most active in low-cost technologies are those in the most technologically advanced countries. There is only one exception to the above statement and it is in the field of medicine, where the most technologically developed countries are not always the most interested in this field. Given the trends observed in recent years, there is a need for a major change and for low-cost technologies to become an area of interest in countries with emerging economies.
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An Integrated Approach to Determining the Capacity of Ecosystems to Supply Ecosystem Services into Life Cycle Assessment for a Carbon Capture System. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10020622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
In the life cycle assessment (LCA) method, it is not possible to carry out an integrated sustainability analysis because the quantification of the biophysical capacity of the ecosystems to supply ecosystem services is not taken into account. This paper considers a methodological proposal connecting the flow demand of a process or system product from the technosphere and the feasibility of the ecosystem to supply based on the sink capacity. The ecosystem metabolism as an analytical framework and data from a case study of an LCA of combined heat and power (CHP) plant with and without post-combustion carbon capture (PCC) technology in Mexico were applied. Three scenarios, including water and energy depletion and climate change impact, are presented to show the types of results obtained when the process effect of operation is scaled to one year. The impact of the water–energy–carbon nexus over the natural infrastructure or ecological fund in LCA is analyzed. Further, the feasibility of the biomass energy with carbon capture and storage (BECCS) from this result for Mexico is discussed. On the supply side, in the three different scenarios, the CHP plant requires between 323.4 and 516 ha to supply the required oil as stock flow and 46–134 ha to supply the required freshwater. On the sink side, 52–5,096,511 ha is necessary to sequester the total CO2 emissions. Overall, the CHP plant generates 1.9–28.8 MW/ha of electricity to fulfill its function. The CHP with PCC is the option with fewer ecosystem services required.
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Comparative Analysis of Web of Science and Scopus on the Energy Efficiency and Climate Impact of Buildings. ENERGIES 2020. [DOI: 10.3390/en13020409] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Although the body of scientific publications on energy efficiency and climate mitigation from buildings has been growing quickly in recent years, very few previous bibliometric analysis studies exist that analyze the literature in terms of specific content (trends or options for zero-energy buildings) or coverage of different scientific databases. We evaluate the scientific literature published since January 2013 concerning alternative methods for improving the energy efficiency and mitigating climate impacts from buildings. We quantify and describe the literature through a bibliometric approach, comparing the databases Web of Science (WoS) and Scopus. A total of 19,416 (Scopus) and 17,468 (WoS) publications are analyzed, with only 11% common documents. The literature has grown steadily during this time period, with a peak in the year 2017. Most of the publications are in English, in the area of Engineering and Energy Fuels, and from institutions from China and the USA. Strong links are observed between the most published authors and institutions worldwide. An analysis of keywords reveals that most of research focuses on technologies for heating, ventilation, and air-conditioning, phase change materials, as well as information and communication technologies. A significantly smaller segment of the literature takes a broader perspective (greenhouse gas emissions, life cycle, and sustainable development), investigating implementation issues (policies and costs) or renewable energy (solar). Knowledge gaps are detected in the areas of behavioral changes, the circular economy, and some renewable energy sources (geothermal, biomass, small wind). We conclude that (i) the contents of WoS and Scopus are radically different in the studied fields; (ii) research seems to focus on technological aspects; and (iii) there are weak links between research on energy and on climate mitigation and sustainability, the latter themes being misrepresented in the literature. These conclusions should be validated with further analyses of the documents identified in this study. We recommend that future research focuses on filling the above identified gaps, assessing the contents of several scientific databases, and extending energy analyses to their effects in terms of mitigation potentials.
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Edmonds J, Nichols C, Adamantiades M, Bistline J, Huster J, Iyer G, Johnson N, Patel P, Showalter S, Victor N, Waldhoff S, Wise M, Wood F. Could congressionally mandated incentives lead to deployment of large-scale CO 2 capture, facilities for enhanced oil recovery CO 2 markets and geologic CO 2 storage? ENERGY POLICY 2020; 146:10.1016/j.enpol.2020.111775. [PMID: 35444362 PMCID: PMC9016633 DOI: 10.1016/j.enpol.2020.111775] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
In passing the Bipartisan Budget Act of 2018, Congress reformed and strengthened a section of the tax code, 45Q, which provides tax credits of up to $35/ton CO2 for the capture and utilization of CO2 in qualifying applications such as enhanced oil recovery (EOR) and up to $50/ton CO2 for CO2 that is captured and permanently stored in a geologic repository. Earlier versions of the tax credit with lower credit values generated limited interest. This change to the tax code could potentially alter U.S. energy systems. This paper examines the effect of the increased 45Q credits on CO2 capture, utilization and storage (CCUS) deployment in the United States and on petroleum and power production. A range of potential outcomes is explored using five modeling tools. The paper goes on to explore the potential impact of possible modifications of the current tax credit including extension of its availability in time, the period over which 45Q tax credits can be utilized for any given asset and increases in the value of the credit as well as interactions with technology availability and carbon taxation. The paper concludes that 45Q tax credits could stimulate additional CCUS beyond that which is already underway.
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Affiliation(s)
| | | | | | | | | | - Gokul Iyer
- Pacific Northwest National Laboratory, USA
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