Greenhouse Gases: Science and Technology最新文献_第9页

Halide ions doped SrMnO3 for chemical looping oxidative dehydrogenation of ethane 用于乙烷化学循环氧化脱氢的卤化物离子掺杂 SrMnO3

IF 2.7 4区环境科学与生态学

Greenhouse Gases: Science and Technology Pub Date : 2023-12-18 DOI: 10.1002/ghg.2254

Zifan Xing, Haitao Chen, Min Mao, Xiaocen Liang, Da Song, Yang Li, Tao Long, Xiaoli Chen, Fang He

{"title":"Halide ions doped SrMnO3 for chemical looping oxidative dehydrogenation of ethane","authors":"Zifan Xing, Haitao Chen, Min Mao, Xiaocen Liang, Da Song, Yang Li, Tao Long, Xiaoli Chen, Fang He","doi":"10.1002/ghg.2254","DOIUrl":"10.1002/ghg.2254","url":null,"abstract":"The chemical looping oxidative dehydrogenation (CL-ODH) of ethane represents a highly effective approach for converting ethane into the value-added product ethylene. This investigation focused on the synthesis of SrMnO3 and its halide ions doped derivatives (SrMnO3Cl and SrMnO3Br) through the sol-gel method. The performance of these perovskites, employed as oxygen carriers in CL-ODH of ethane, was explored. The results unveiled several advantageous outcomes arising from the incorporation of halide ions (Cl− and Br−) with larger radius into the oxygen sites of the SrMnO3 perovskite. Halide ions doping notably induced cell volume expansion and enhanced lattice fringe spacing. Furthermore, it contributed to elevated oxygen vacancy concentration, increased Mn4+/Mn3+ molar ratio, and improved oxygen ions mobility within the bulk lattice. Fixed-bed experiments demonstrated that these redox catalysts, doped with halide ions, exhibited outstanding activity and stability during cycling tests, exhibiting enhanced both ethylene selectivity and yield in CL-ODH of ethane. In summary, the introduction of halide ions into SrMnO3 emerges as a promising strategy for enhancing the performance of CL-ODH in ethane conversion for SrMnO3 based oxygen carriers. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.","PeriodicalId":12796,"journal":{"name":"Greenhouse Gases: Science and Technology","volume":"14 4","pages":"659-675"},"PeriodicalIF":2.7,"publicationDate":"2023-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138823810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Predictive modeling of energy-related greenhouse gas emissions in Ghana towards a net-zero future 加纳与能源有关的温室气体排放预测模型，实现净零排放的未来

IF 2.2 4区环境科学与生态学

Greenhouse Gases: Science and Technology Pub Date : 2023-12-07 DOI: 10.1002/ghg.2251

Yen Adams Sokama-Neuyam, Samuel Mawulikem Amezah, Stephen Adjei, Caspar Daniel Adenutsi, Samuel Erzuah, Jonathan Atuquaye Quaye, William Ampomah, Kwame Sarkodie

{"title":"Predictive modeling of energy-related greenhouse gas emissions in Ghana towards a net-zero future","authors":"Yen Adams Sokama-Neuyam, Samuel Mawulikem Amezah, Stephen Adjei, Caspar Daniel Adenutsi, Samuel Erzuah, Jonathan Atuquaye Quaye, William Ampomah, Kwame Sarkodie","doi":"10.1002/ghg.2251","DOIUrl":"10.1002/ghg.2251","url":null,"abstract":"Ghana is determined to reduce greenhouse gas (GHG) emissions by at least 15% by 2030 and attain net-zero emissions by 2070. However, like many developing countries, Ghana must utilize its limited resources effectively to actualize its climate goals. Currently, climate policies in the country are not driven by emission data, which has important implications on effective utilization of resources and selection of efficient mitigation techniques. We analyzed energy consumption and GHG emission data between 1990 and 2016 from Ghana's energy sector which is responsible for about 36% of the country's total emissions. Predictive models were then developed using machine learning to forecast energy related emissions up to 2030. Based on the analysis and projections, attainable data-driven recommendations were proposed to direct climate policies in the country. We found that between 1990 and 2016, petroleum fuel consumption increased by about 64.5% and the corresponding GHG emissions increased by 303%. The projections suggests that by 2030, energy sector emissions could increase by 131% compared to 2016 levels. Transport sector emission is also projected to increase by a whopping 219% and fuel consumption could hit 6742 ktoe by 2030, which is about 106% increase from the 2016 benchmark. The findings from this work will direct policy for effective mitigation of GHG emissions in the country while ensuring effective utilization of climate resources to pursue its net-zero targets. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.","PeriodicalId":12796,"journal":{"name":"Greenhouse Gases: Science and Technology","volume":"14 1","pages":"42-61"},"PeriodicalIF":2.2,"publicationDate":"2023-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138554169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Corrosion performance of carbon/stainless steel in amine-based solvents under different conditions for CO2 chemical absorption process 二氧化碳化学吸收过程中不同条件下胺基溶剂对碳钢/不锈钢的腐蚀性能

IF 2.2 4区环境科学与生态学

Greenhouse Gases: Science and Technology Pub Date : 2023-12-06 DOI: 10.1002/ghg.2250

Yuwei Wang, Mengxiang Fang, Tao Wang, Jun Gao, Yan Huang, Shuifei Li, Xiaozheng Lu, Yuhang Sun, Feng Zhang

{"title":"Corrosion performance of carbon/stainless steel in amine-based solvents under different conditions for CO2 chemical absorption process","authors":"Yuwei Wang, Mengxiang Fang, Tao Wang, Jun Gao, Yan Huang, Shuifei Li, Xiaozheng Lu, Yuhang Sun, Feng Zhang","doi":"10.1002/ghg.2250","DOIUrl":"10.1002/ghg.2250","url":null,"abstract":"The overall corrosion behavior of S304 stainless steel and A3 carbon steel in 30 wt.% MEA (monoethanolamine) and AMP/MEA (2-amino-2-methyl-1-propanol / monoethanolamine) blended amine solutions at 40–100°C was investigated. The characterization analysis of the corroded material surfaces was performed, and the changes in the properties of both solvents after long-term immersion corrosion were measured, including the accumulation of heat stable salts (HSS) and viscosity changes. The results of the long-term immersion corrosion experiments showed that the corrosion rate of S304 stainless steel was significantly lower than that of A3 carbon steel in both amine solutions. However, the corrosion rate of both materials exhibited a similar trend, initially decreasing and then stabilizing over time. Due to the higher concentration of carbonate ions in the AMP/MEA system, it exhibited better overall corrosion resistance and degradation resistance compared to the MEA system. The main component of the corrosion product on carbon steel was identified as Fe2(OH)2CO3. The electrochemical test results showed that the corrosion current of S304 stainless steel was much smaller than that of A3 carbon steel, and its charge transfer resistance was much higher, indicating that it was less prone to electron loss in the organic amine solutions. Additionally, the AMP/MEA system exhibited superior corrosion resistance. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.","PeriodicalId":12796,"journal":{"name":"Greenhouse Gases: Science and Technology","volume":"14 1","pages":"26-41"},"PeriodicalIF":2.2,"publicationDate":"2023-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138548143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced solar-light driven CO2 conversion using Pt-doped graphitic carbon nitride photocatalyst 利用掺铂氮化石墨碳光催化剂提高太阳光驱动的二氧化碳转化率

IF 2.2 4区环境科学与生态学

Greenhouse Gases: Science and Technology Pub Date : 2023-12-06 DOI: 10.1002/ghg.2247

Thi Huong Pham, Minh Viet Nguyen, Thi Thu Hien Chu, Sung Hoon Jung, Taeyoung Kim

{"title":"Enhanced solar-light driven CO2 conversion using Pt-doped graphitic carbon nitride photocatalyst","authors":"Thi Huong Pham, Minh Viet Nguyen, Thi Thu Hien Chu, Sung Hoon Jung, Taeyoung Kim","doi":"10.1002/ghg.2247","DOIUrl":"10.1002/ghg.2247","url":null,"abstract":"The increasing levels of carbon dioxide (CO2) in our atmosphere demand innovative and efficient methods for its reduction. In this context, we present an advanced solar-driven photocatalyst, Pt-doped graphitic carbon nitride (Pt/g-C3N4), specifically engineered for enhanced photoreduction of CO2. Our findings highlight the dual advantage of Pt/g-C3N4: enhanced visible light absorption and electron-hole pair dynamics, ensuring efficient carrier separation. Notably, the CO and CH4 yields, when employing Pt/g-C3N4, surpassed those with the pristine g-C3N4 catalyst by factors of 3.1 and 4.3, respectively. Moreover, the Pt/g-C3N4 catalyst exhibited consistent high-efficiency of CO2 conversion over successive cycles, emphasizing the catalyst's robustness. This work underscores the potential of Pt/g-C3N4 as a viable tool against escalating CO2 levels, paving the way for a green and sustainable conversion of this predominant greenhouse gas into beneficial chemicals. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.","PeriodicalId":12796,"journal":{"name":"Greenhouse Gases: Science and Technology","volume":"14 1","pages":"209-217"},"PeriodicalIF":2.2,"publicationDate":"2023-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138548076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Signal propagation from portable active seismic source (PASS) to km-scale borehole DAS for continuous monitoring of CO2 storage site 从便携式有源地震源(PASS)到千米级井眼DAS的信号传播，用于连续监测CO2储存地点

IF 2.2 4区环境科学与生态学

Greenhouse Gases: Science and Technology Pub Date : 2023-12-04 DOI: 10.1002/ghg.2249

Takeshi Tsuji, Eiichi Arakawa, Hitoshi Tsukahara, Fumitoshi Murakami, Naoshi Aoki, Susumu Abe, Takuya Miura

{"title":"Signal propagation from portable active seismic source (PASS) to km-scale borehole DAS for continuous monitoring of CO2 storage site","authors":"Takeshi Tsuji, Eiichi Arakawa, Hitoshi Tsukahara, Fumitoshi Murakami, Naoshi Aoki, Susumu Abe, Takuya Miura","doi":"10.1002/ghg.2249","DOIUrl":"10.1002/ghg.2249","url":null,"abstract":"We have developed a portable active seismic source (PASS) to monitor CO2 storage reservoirs at a depth of approximately 1 km. Despite its small size, stacking the signals generated by the PASS improves the signal-to-noise ratio of the seismometer data far from the source. The smaller size and lower cost of the PASS enables its permanent deployment in many locations to continuously monitor CO2 storage reservoirs. To achieve continuous monitoring, distributed acoustic sensing (DAS) is also a vital technology. Based on DAS, we can continuously record the signal from the PASS in an extensive area, including within boreholes and offshore fields. Here we report application of the PASS for the borehole DAS system. We confirmed the PASS signal propagation to a depth of ∼1 km when we used a PASS with 630N at 50 Hz close to the wellhead and recorded the signal by the borehole fiber optic cable. The ability of the system to propagate the PASS signal to a depth of ∼1 km enables continuous monitoring of most CO2 storage reservoirs with high temporal resolution. Furthermore, deploying multiple PASS systems could improve the spatial resolution of monitoring results. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.","PeriodicalId":12796,"journal":{"name":"Greenhouse Gases: Science and Technology","volume":"14 1","pages":"4-10"},"PeriodicalIF":2.2,"publicationDate":"2023-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ghg.2249","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138515154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Two-phase flow behavior in CO2 geological storage considering spatial parameter heterogeneity 考虑空间参数非均质性的CO2地质储层两相流动特性

IF 2.2 4区环境科学与生态学

Greenhouse Gases: Science and Technology Pub Date : 2023-12-01 DOI: 10.1002/ghg.2248

Yiyan Zhong, Qi Li, Liang Xu, Yiping Wen, Yunlu Hou, Wenbin Gao

{"title":"Two-phase flow behavior in CO2 geological storage considering spatial parameter heterogeneity","authors":"Yiyan Zhong, Qi Li, Liang Xu, Yiping Wen, Yunlu Hou, Wenbin Gao","doi":"10.1002/ghg.2248","DOIUrl":"10.1002/ghg.2248","url":null,"abstract":"Saline aquifer rocks exhibit significant spatial randomness due to geological sedimentation processes. To address the issue of the heterogeneity of rock formations in numerical simulations, it is common practice to homogenize rock layers with similar lithologies. However, the acceptability of the errors generated during homogenized computations is a major concern and should be investigated. Therefore, to study the influence of heterogeneity at the storage site on the CO2 migration behavior, the Monte Carlo simulation–random finite element method (MCS-RFEM) was combined with a CO2 two-phase flow model to compare the effects of the coefficient of variation (Cv) and correlation length (λx) of random reservoir permeability fields on the migration distance and extent of CO2 storage under the same mean conditions. The results showed that higher Cv and λx values significantly reduced the CO2 migration distance while increasing the spread extent. Compared to the homogeneous model, at a λx value of 100 m, the CO2 migration distance decreased by 5.05%, while the profile sweep area increased by 6.20%. Concurrently, with increasing Cv, the area with a CO2 volume fraction higher than 0.75 decreased by 20.22%, while an increase in λx resulted in a 42.35% increase in the area with a CO2 volume fraction higher than 0.75. Therefore, reservoirs with high Cv and low λx values are more suitable for safely storing CO2. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.","PeriodicalId":12796,"journal":{"name":"Greenhouse Gases: Science and Technology","volume":"14 1","pages":"11-25"},"PeriodicalIF":2.2,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138515161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Experimental study on the flow characteristics of supercritical CO2 in reservoir sandstones from the Ordos Basin, China 鄂尔多斯盆地储层砂岩超临界CO2流动特征实验研究

IF 2.2 4区环境科学与生态学

Greenhouse Gases: Science and Technology Pub Date : 2023-11-29 DOI: 10.1002/ghg.2246

Qianlin Zhu, Dongbao Chen, Shijian Lu, Shaojin Jiang

{"title":"Experimental study on the flow characteristics of supercritical CO2 in reservoir sandstones from the Ordos Basin, China","authors":"Qianlin Zhu, Dongbao Chen, Shijian Lu, Shaojin Jiang","doi":"10.1002/ghg.2246","DOIUrl":"10.1002/ghg.2246","url":null,"abstract":"Understanding the flow characteristics of supercritical CO2 in dry sandstones or those with low water content provides crucial information on the flow behavior in near-wellbore zone. We conducted supercritical CO2 core flooding experiments using sandstone cores extracted from potential CO2 reservoirs in the Ordos Basin, China. During the experiments, we reduced the water content of saturated cores by flushing with dry CO2 and subsequently vacuumizing them at a temperature of 35°C to simulate sandstones with low water content. The experimental results demonstrate that the CO2 permeability was initially high during the low differential pressure stage and remained constant as the differential pressure increased. In the carbonic acid solution injection experiment, we observed an increase in the flow rate of the solution with the continuous interaction in the cores from the Shanxi and Shihezi groups, while the Yanchang group exhibited the opposite effect. This increase in permeability can be attributed to mineral dissolution and the loss of fine particles. Conversely, the blockage of fine particles or the precipitation of dissolved minerals may lead to a decrease in permeability. After the CO2–water–rock interaction, the CO2 permeability decreased compared to before the interaction, indicating that adsorbed water, the precipitation of dissolved mineral, or pore throat blockage by fine particles could induce this permeability decrease. The impact of adsorbed water on the decrease in CO2 permeability is significant. Additionally, the CO2–water–rock interaction caused corrosion on the anorthite surface. Furthermore, calcite dispersed in connected pores displayed a more pronounced dissolution compared to cemented calcite. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.","PeriodicalId":12796,"journal":{"name":"Greenhouse Gases: Science and Technology","volume":"14 1","pages":"197-208"},"PeriodicalIF":2.2,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138519854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Developing a roadmap for carbon capture, and storage in Oklahoma by assessing the viability of stacked storage 通过评估堆叠储存的可行性，为俄克拉荷马州的碳捕获和储存制定路线图

IF 2.2 4区环境科学与生态学

Greenhouse Gases: Science and Technology Pub Date : 2023-11-09 DOI: 10.1002/ghg.2244

Marcos W. Miranda, Jonathan D. Ogland-Hand, Jeffrey M. Bielicki, Rouzbeh G. Moghanloo, Jamal DaneshFar, Richard S. Middleton

{"title":"Developing a roadmap for carbon capture, and storage in Oklahoma by assessing the viability of stacked storage","authors":"Marcos W. Miranda, Jonathan D. Ogland-Hand, Jeffrey M. Bielicki, Rouzbeh G. Moghanloo, Jamal DaneshFar, Richard S. Middleton","doi":"10.1002/ghg.2244","DOIUrl":"10.1002/ghg.2244","url":null,"abstract":"The Intergovernmental Panel on Climate Change concludes that CO2 capture and storage (CCS) is critical for climate-stabilizing energy transitions. In CCS, captured CO2 is sequestered in saline aquifers within sedimentary basins. The CO2 storage capacity and the rate of injection are functions of the geology of the saline aquifer, which is uncertain. To minimize impacts of this uncertainty, CCS projects could include backup plans, such as co-locating geologic CO2 storage (GCS) sites with or near existing CO2-enhanced oil recovery (CO2-EOR) operations. These “stacked storage” projects could hedge against uncertainty in the saline formation performance because captured CO2 could be injected into either location in the event of unexpected events (e.g., the injectivity decreases). Here, we investigate the possibility and ramifications of developing CCS networks in Oklahoma that are amendable to stacked storage. We find that stacked storage is possible in Oklahoma but the counties with the lowest-cost saline storage resources do not have existing CO2-EOR operations. At the systems level, we find it is slightly more expensive (e.g., $1/tCO2 to $5/tCO2) to site GCS in counties with CO2-EOR projects. This increased expense is largely due to increased CO2 transportation costs because hundreds of km of additional pipeline is required to capture CO2 from the lowest-cost sources. Overall, our results suggest that it is optimal to build more pipelines and avoid injecting CO2 in some of the lowest-cost saline storage resources, to enable capturing CO2 from the least-cost sources. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.","PeriodicalId":12796,"journal":{"name":"Greenhouse Gases: Science and Technology","volume":"13 6","pages":"763-779"},"PeriodicalIF":2.2,"publicationDate":"2023-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ghg.2244","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135240758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimization of calcium carbide residue utilization for producing high-quality calcium carbonate 电石渣生产优质碳酸钙的优化利用

IF 2.2 4区环境科学与生态学

Greenhouse Gases: Science and Technology Pub Date : 2023-10-28 DOI: 10.1002/ghg.2245

Yuhang Yang, Wenxiu Li, Zhiwei Xun, Zhenwei Yi, Tao Wang, Zitao Yu, Yan Huang, Yongzheng Gu

{"title":"Optimization of calcium carbide residue utilization for producing high-quality calcium carbonate","authors":"Yuhang Yang, Wenxiu Li, Zhiwei Xun, Zhenwei Yi, Tao Wang, Zitao Yu, Yan Huang, Yongzheng Gu","doi":"10.1002/ghg.2245","DOIUrl":"10.1002/ghg.2245","url":null,"abstract":"In light of the current situation where the utilization of calcium carbide slag yields low profits but holds significant potential for reducing carbon emissions, ammonium acetate was employed to leach calcium carbide slag. It also played a crucial role in regulating the products of indirect carbon dioxide carbonation when mixed with glycine and lye. Ammonium acetate's significance underscores its dual role in both the leaching and carbonation processes. This process yielded calcium carbonate with particle sizes smaller than 100 nm, with a purity of 98% and a single vaterite phase. The calcium carbide residue demonstrated an impressive CO2 uptake rate of 23.5%. Ammonium acetate exhibited an efficiency of 79.2% as a leaching agent. The ammonium acetate method demonstrated enhanced environmental friendliness and facilitated a more efficient carbon uptake rate of 23.5% compared to conventional indirect methods. Furthermore, the addition of lye, glycine, and ammonium acetate effectively extended the nucleation time of the calcium carbonate crystals and induced the formation of more vaterite intermediates with smaller particle sizes. The influence mechanism of compound additives on the carbonation reaction was revealed through kinetic analysis and molecular dynamics. This innovative approach offers a promising avenue for simultaneously treating solid waste and reducing CO2 emission. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.","PeriodicalId":12796,"journal":{"name":"Greenhouse Gases: Science and Technology","volume":"13 6","pages":"814-828"},"PeriodicalIF":2.2,"publicationDate":"2023-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136232080","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Influence of Hydrogen on the Performance and Emissions Characteristics of a Spark Ignition Ammonia Direct Injection Engine 氢气对火花点火式氨直喷发动机性能及排放特性的影响

4区环境科学与生态学

Greenhouse Gases: Science and Technology Pub Date : 2023-10-16 DOI: 10.3390/gases3040010

Cheolwoong Park, Yonghun Jang, Seonyeob Kim, Yongrae Kim, Young Choi

{"title":"Influence of Hydrogen on the Performance and Emissions Characteristics of a Spark Ignition Ammonia Direct Injection Engine","authors":"Cheolwoong Park, Yonghun Jang, Seonyeob Kim, Yongrae Kim, Young Choi","doi":"10.3390/gases3040010","DOIUrl":"https://doi.org/10.3390/gases3040010","url":null,"abstract":"Because ammonia is easier to store and transport over long distances than hydrogen, it is a promising research direction as a potential carrier for hydrogen. However, its low ignition and combustion rates pose challenges for running conventional ignition engines solely on ammonia fuel over the entire operational range. In this study, we attempted to identify a stable engine combustion zone using a high-pressure direct injection of ammonia fuel into a 2.5 L spark ignition engine and examined the potential for extending the operational range by adding hydrogen. As it is difficult to secure combustion stability in a low-temperature atmosphere, the experiment was conducted in a sufficiently-warmed atmosphere (90 ± 2.5 °C), and the combustion, emission, and efficiency results under each operating condition were experimentally compared. At 1500 rpm, the addition of 10% hydrogen resulted in a notable 20.26% surge in the maximum torque, reaching 263.5 Nm, in contrast with the case where only ammonia fuel was used. Furthermore, combustion stability was ensured at a torque of 140 Nm by reducing the fuel and air flow rates.","PeriodicalId":12796,"journal":{"name":"Greenhouse Gases: Science and Technology","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136142572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0