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Evaluation of the Effect of Addition Order on the Compatibility of Binary Crude Oil Blending
IF 5.2 3区 工程技术
Energy & Fuels Pub Date : 2024-11-25 DOI: 10.1021/acs.energyfuels.4c0421010.1021/acs.energyfuels.4c04210
Fernando Alonso, José A. Castillo, Jorge Ancheyta* and Pablo Torres-Mancera, 
{"title":"Evaluation of the Effect of Addition Order on the Compatibility of Binary Crude Oil Blending","authors":"Fernando Alonso,&nbsp;José A. Castillo,&nbsp;Jorge Ancheyta* and Pablo Torres-Mancera,&nbsp;","doi":"10.1021/acs.energyfuels.4c0421010.1021/acs.energyfuels.4c04210","DOIUrl":"https://doi.org/10.1021/acs.energyfuels.4c04210https://doi.org/10.1021/acs.energyfuels.4c04210","url":null,"abstract":"<p >Compatibility issues that arise when crude oils are blended with different physical and chemical properties were examined. Incompatibility can lead to asphaltene precipitation, especially when low- and high-appreciation American Petroleum Institute (API) gravity crude oils are used. Binary blends of crude oils with a wide range of API gravities were prepared, and an experimental methodology was established to determine the impact of the crude oil blending orders on asphaltene precipitation. The tests included the analysis of API gravity, sulfur content, kinematic viscosity, <i>S</i>-value, spot test, and stability in a static column. The results indicated that the order of addition of crude oils influenced the stability of the blends. Unstable blends were found when heavy crude oil was added to light crude oil, while the opposite order generally resulted in more stable blends. More than 30 wt % of light crude negatively affected the stability of the blends, irrespective of the order of addition.</p>","PeriodicalId":35,"journal":{"name":"Energy & Fuels","volume":"38 24","pages":"23358–23366 23358–23366"},"PeriodicalIF":5.2,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142843811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unveiling Well Performance through Integrated Numerical Modeling and Basin-Scale Data Analysis in the Midland Basin
IF 5.2 3区 工程技术
Energy & Fuels Pub Date : 2024-11-25 DOI: 10.1021/acs.energyfuels.4c0438910.1021/acs.energyfuels.4c04389
Yiwen Gong*, Timothy P. McMahon and Sofia Berdysheva, 
{"title":"Unveiling Well Performance through Integrated Numerical Modeling and Basin-Scale Data Analysis in the Midland Basin","authors":"Yiwen Gong*,&nbsp;Timothy P. McMahon and Sofia Berdysheva,&nbsp;","doi":"10.1021/acs.energyfuels.4c0438910.1021/acs.energyfuels.4c04389","DOIUrl":"https://doi.org/10.1021/acs.energyfuels.4c04389https://doi.org/10.1021/acs.energyfuels.4c04389","url":null,"abstract":"<p >This study explores the performance of high-density drilling spacing units (DSUs) in the Permian Basin, focusing on key drivers of well performance in shale oil reservoirs. A comprehensive simulation was conducted at the Hydraulic Fracture Test Site (HFTS-1) to develop an integrated workflow for understanding cross-bench well interference and the impact of completion parameters on production. A 3D heterogeneous corner-point model simulated hydraulic fracture propagation in two horizontal wells: one in Wolfcamp A and another in Wolfcamp B, accounting for interactions between hydraulic and natural fractures. The simulation revealed distinct fracture propagation patterns: in the Wolfcamp A well, fractures near the toe showed greater height but shorter half-lengths, while those near the heel exhibited shorter height but longer half-lengths. In contrast, Wolfcamp B displayed the opposite pattern, with fracture height growth more pronounced above the wellbore. The fracture system was then subjected to a production simulation (POP) based on actual well production sequences. Comparing the POP results of the combined well scenario with individual well scenarios showed a slight reduction in estimated oil production, suggesting well interference. Reservoir pressure analyses indicated that the pressure fields of the two stacked wells began to overlap early in their production, contributing to the interference. To further explore productivity drivers, the study utilized machine learning methods, including XGBoost and SHapley Additive exPlanations (SHAP) <sup>1</sup>. This analysis identified critical factors such as fracturing fluid intensity, completion year (reflecting advancements in completion practices like cluster spacing), formation thickness, and initial gas-oil ratio. Sensitivity analyses showed that reducing cluster spacing significantly improves initial production, while increasing fluid intensity enhances long-term performance. The crossover point, where the impact of increased fluid intensity surpasses reduced cluster spacing, varied between Wolfcamp A and B. This work offers valuable guidance for optimizing completion strategies to maximize production potential in the Midland Basin’s shale oil formations.</p>","PeriodicalId":35,"journal":{"name":"Energy & Fuels","volume":"38 24","pages":"23484–23496 23484–23496"},"PeriodicalIF":5.2,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acs.energyfuels.4c04389","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142843673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review and Outlooks on Electron Migration and Structural Modulation of Metal–Organic Frameworks for Sustainable Fuel Generation
IF 5.2 3区 工程技术
Energy & Fuels Pub Date : 2024-11-25 DOI: 10.1021/acs.energyfuels.4c0461110.1021/acs.energyfuels.4c04611
Aparna Jamma, Sourabh Pal, Ujjwal Pal* and Srabanti Ghosh*, 
{"title":"Review and Outlooks on Electron Migration and Structural Modulation of Metal–Organic Frameworks for Sustainable Fuel Generation","authors":"Aparna Jamma,&nbsp;Sourabh Pal,&nbsp;Ujjwal Pal* and Srabanti Ghosh*,&nbsp;","doi":"10.1021/acs.energyfuels.4c0461110.1021/acs.energyfuels.4c04611","DOIUrl":"https://doi.org/10.1021/acs.energyfuels.4c04611https://doi.org/10.1021/acs.energyfuels.4c04611","url":null,"abstract":"<p >Metal–organic frameworks (MOFs) are platform materials for solar energy utilization largely due to their adaptability to be synthetically tuned and their inherent variability. The intricate mechanisms of electron transport are associated with structural changes in MOFs and influence their catalytic performance for fuel production. MOFs have been widely explored to engineer their molecular structure and tune their redox behavior. Presently, it has become pertinent to understand the role of structural features in directing the charge migration ability within the molecular framework. Our review explores the dynamic processes of electron migration through structural modulation within MOFs to enhance sustainable fuel generation. Additionally, we discuss designing heterostructures and challenges for large-scale production and their cost reduction. We have presented insights into strategic modifications in MOF structures that can significantly influence their electronic properties and catalytic efficiency. Key modifications include defect engineering, organic linker functionalization, and heterostructure formation, each aimed at boosting the photocatalytic activity. We also illustrate the strategic use of electron–hole separation to improve the efficiency in photocatalytic processes. This review accentuates the role of MOFs as versatile catalysts to advance renewable energy technologies, offering insights into their role in advancing sustainable fuel generation.</p>","PeriodicalId":35,"journal":{"name":"Energy & Fuels","volume":"38 24","pages":"23299–23319 23299–23319"},"PeriodicalIF":5.2,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142843808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Effect of Impurities (H2O, O2, SO2, NO, and NO2) on Supercritical CO2 Structures in Relation to CO2 Pipeline Transport
IF 5.2 3区 工程技术
Energy & Fuels Pub Date : 2024-11-25 DOI: 10.1021/acs.energyfuels.4c0376710.1021/acs.energyfuels.4c03767
Minjunshi Xie, Minkang Liu, Zhehui Jin* and Yimin Zeng*, 
{"title":"The Effect of Impurities (H2O, O2, SO2, NO, and NO2) on Supercritical CO2 Structures in Relation to CO2 Pipeline Transport","authors":"Minjunshi Xie,&nbsp;Minkang Liu,&nbsp;Zhehui Jin* and Yimin Zeng*,&nbsp;","doi":"10.1021/acs.energyfuels.4c0376710.1021/acs.energyfuels.4c03767","DOIUrl":"https://doi.org/10.1021/acs.energyfuels.4c03767https://doi.org/10.1021/acs.energyfuels.4c03767","url":null,"abstract":"<p >Supercritical CO<sub>2</sub> (s-CO<sub>2</sub>) pipeline transport is a critical component of the carbon capture and storage system. One primary safety concern of the pipeline structural integrity is corrosion and stress corrosion cracking induced by the presence of aggressive impurities in the transported high-pressure s-CO<sub>2</sub> streams. Although a considerable number of studies have been conducted to address s-CO<sub>2</sub> corrosion, fundamental knowledge gaps, particularly the influence of these corrosive impurities on s-CO<sub>2</sub>, remain to be addressed. This study employs molecular dynamics simulations to investigate the effects of representative impurities (H<sub>2</sub>O, O<sub>2</sub>, SO<sub>2</sub>, NO, and NO<sub>2</sub>) on s-CO<sub>2</sub> structures under the designed s-CO<sub>2</sub> pipeline transportation conditions. The results indicate that the self-interactions among s-CO<sub>2</sub> molecules shall be enhanced with the introduction of trace amounts of impurities, reaching a plateau value, and then weaken with further increases in impurity concentrations. For the impurities investigated, s-CO<sub>2</sub> exhibits an affinity in the order of NO &gt; NO<sub>2</sub>&gt; SO<sub>2</sub> &gt; O<sub>2</sub>&gt; H<sub>2</sub>O. In the s-CO<sub>2</sub>, H<sub>2</sub>O molecules tend to aggregate locally, while other impurity molecules are uniformly distributed. Similar to the pure s-CO<sub>2</sub> scenario, s-CO<sub>2</sub> molecules can still form T-shapes with neighboring s-CO<sub>2</sub> molecules in the presence of impurities. Besides, s-CO<sub>2</sub> molecules show the tendency to form T-shape structures with all the examined impurities except H<sub>2</sub>O. There is no preferential structure presented between CO<sub>2</sub> and H<sub>2</sub>O due to the H<sub>2</sub>O aggregation. These findings advance the understanding of how the impurities affect s-CO<sub>2</sub> structures and consequently lead to different corrosion damage to s-CO<sub>2</sub> pipeline steels.</p>","PeriodicalId":35,"journal":{"name":"Energy & Fuels","volume":"38 24","pages":"23576–23584 23576–23584"},"PeriodicalIF":5.2,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142843674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CO2 Hydrate Formation Kinetics Using Aqueous MOF Ink-Soaked Water-Absorbing Materials
IF 5.2 3区 工程技术
Energy & Fuels Pub Date : 2024-11-24 DOI: 10.1021/acs.energyfuels.4c0350210.1021/acs.energyfuels.4c03502
Jyoti Shanker Pandey*,  and , Bhavikkumar Mahant, 
{"title":"CO2 Hydrate Formation Kinetics Using Aqueous MOF Ink-Soaked Water-Absorbing Materials","authors":"Jyoti Shanker Pandey*,&nbsp; and ,&nbsp;Bhavikkumar Mahant,&nbsp;","doi":"10.1021/acs.energyfuels.4c0350210.1021/acs.energyfuels.4c03502","DOIUrl":"https://doi.org/10.1021/acs.energyfuels.4c03502https://doi.org/10.1021/acs.energyfuels.4c03502","url":null,"abstract":"<p >Although numerous studies have focused on gas hydrates using water-adsorbent materials, there is a lack of a detailed understanding regarding the role of water-absorbing materials in hydrate formation. This study tested everyday-purpose water-absorbing hygroscopic materials such as textile fabrics, bamboo wipe fibers, and baby diaper foam for their role in CO<sub>2</sub> hydrate formation. These materials are highly hydrophilic, readily available commercially, and affordable and exhibit high water retention capabilities. The kinetics of CO<sub>2</sub> hydrate formation using these water-soaked hygroscopic materials are investigated using a rocking cell reactor under constant ramping and isothermal temperature programs. The study evaluated the influence of material wetness, the presence and concentration of metal–organic frameworks (MOFs) (HKUST-1, MIL-53(Al), and MOF-303) in water, and the temperature on the nucleation temperature, induction time, water-to-hydrate conversion, and total mmol of CO<sub>2</sub> per gram of material. Results indicated that above temperatures exceeding 1 °C, chenille fabrics, bamboo wipes, and polyether polyurethane foam (PPU) did not exhibit significant nucleation temperatures or trends. Conversely, at temperatures below 0 °C, only PPU-based CO<sub>2</sub> hydrate studies demonstrated rapid pressure drops, confirming high water-to-hydrate conversion. PPU materials soaked in water-based MOF ink showed induction times lower than those in water or SDS solution. Among the water-based MOF inks, MOF-303 ink exhibited the best stability, CO<sub>2</sub> induction times, and total CO<sub>2</sub> captured in hydrates. PPU material performance was due to embedded superabsorbing polymers (SAP) into nonwoven fabrics, which improved the contact area between liquid and gas compared to those studies where SAP was used in powdered form. Furthermore, PPU materials demonstrated high water retention, even after multiple cycles of formation and dissociation. Comparative benchmarks against other wet solid porous materials showed that PPU achieved a maximum CO<sub>2</sub> uptake in hydrates of approximately 32 mmol per gram of material at an initial starting pressure of 30 bar and when temperature reached &lt;0 °C, representing competitive mmol CO<sub>2</sub>/gram with respect to other materials. The authors propose that PPU and similar high-performance hygroscopic materials embedded with SAP or similar water-absorbing materials could serve as the surface material of a moving bed. They proposed a conceptual layout for a novel moving bed reactor for continuous CO<sub>2</sub> capture and separation.</p>","PeriodicalId":35,"journal":{"name":"Energy & Fuels","volume":"38 23","pages":"22926–22946 22926–22946"},"PeriodicalIF":5.2,"publicationDate":"2024-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142850733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Developments in Sustainable Green Supercapacitors: A Minireview
IF 5.2 3区 工程技术
Energy & Fuels Pub Date : 2024-11-24 DOI: 10.1021/acs.energyfuels.4c0454810.1021/acs.energyfuels.4c04548
Kanmani Moorthi,  and , Sakar Mohan*, 
{"title":"Developments in Sustainable Green Supercapacitors: A Minireview","authors":"Kanmani Moorthi,&nbsp; and ,&nbsp;Sakar Mohan*,&nbsp;","doi":"10.1021/acs.energyfuels.4c0454810.1021/acs.energyfuels.4c04548","DOIUrl":"https://doi.org/10.1021/acs.energyfuels.4c04548https://doi.org/10.1021/acs.energyfuels.4c04548","url":null,"abstract":"<p >This minireview revisits various biomass-derived carbon composites with metal oxides, layered double hydroxides, biopolymers, and the use of ionic liquids as electrolytes for green supercapacitors. These materials are abundant, stable, and nontoxic, offer high surface area, provide electrolyte accessibility due to their porous architecture, and have excellent electrical conductivity. Due to environmental concerns and the diminishing supply of fossil fuels, electrochemical energy storage devices have gained significant attention in recent years. Supercapacitors (SCs) hold a significant position due to their enhanced energy and power density compared to those of other energy storage devices. However, to utilize SCs effectively across various applications, their performance must be improved. Electronic devices are integral to daily life but can pose environmental hazards when discarded through conventional landfill or incineration methods. This is because these devices often contain harmful chemicals, such as sulfur, cyanide, and fluorine groups. To tackle this issue, there is increasing interest in developing green supercapacitor components, such as electrodes, electrolytes, binders, and conductive substrates, that are safe to dispose of and pose no environmental hazards. Since the electrode is crucial to a supercapacitor’s performance, significant focus is devoted to developing electrode materials from clean and renewable sources, such as biomass-derived carbon and biopolymers. In fact, the use of such ecofriendly materials for electrodes and devices can advance other energy storage technologies as well.</p>","PeriodicalId":35,"journal":{"name":"Energy & Fuels","volume":"38 23","pages":"22719–22745 22719–22745"},"PeriodicalIF":5.2,"publicationDate":"2024-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142843658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Comprehensive Review about Employing Nanoporous Structures in Supercapacitors: Nanoarchitectonics, Recent Advances, and Future Perspectives
IF 5.2 3区 工程技术
Energy & Fuels Pub Date : 2024-11-22 DOI: 10.1021/acs.energyfuels.4c0390510.1021/acs.energyfuels.4c03905
Mahdokht Jafari, Reza Eivazzadeh-Keihan*, Shokoofeh Geranmayeh and Ali Maleki*, 
{"title":"A Comprehensive Review about Employing Nanoporous Structures in Supercapacitors: Nanoarchitectonics, Recent Advances, and Future Perspectives","authors":"Mahdokht Jafari,&nbsp;Reza Eivazzadeh-Keihan*,&nbsp;Shokoofeh Geranmayeh and Ali Maleki*,&nbsp;","doi":"10.1021/acs.energyfuels.4c0390510.1021/acs.energyfuels.4c03905","DOIUrl":"https://doi.org/10.1021/acs.energyfuels.4c03905https://doi.org/10.1021/acs.energyfuels.4c03905","url":null,"abstract":"<p >One of the essential factors for constructing supercapacitors is to choose suitable materials for electrodes. In order to reach more energy in the long term, the composition of the electrode should be chemically and mechanically stable. Also, a high electrode/electrolyte surface area is required. Among various materials used in the electrodes, nanoporous composites have shown exciting results for energy storage applications. From this perspective, this Review provides a comprehensive study of nanoporous materials for supercapacitor applications. Carbon nanoporous materials, nanoporous MOF-derived, nanoporous metals, and hybrid porous materials are described in this paper. First, we look at the effect of porosity and other important related factors on the supercapacitor performance, then electrochemical properties of these materials and finally some examples of latest studies are provided. Moreover, a Ragone plot is included comparing these four types of porous materials to discuss the better composite in forms of higher energy density and power density. Additionally, future challenges and prospects are discussed. This Review brings insight into the development of designing electrodes for supercapacitors with high efficiency.</p>","PeriodicalId":35,"journal":{"name":"Energy & Fuels","volume":"38 23","pages":"22666–22685 22666–22685"},"PeriodicalIF":5.2,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142850548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced Isomerization Performance of Unsupported Ni–Nb–O Catalyst for One-Step Hydrogenation of Jatropha Oil to Alkanes
IF 5.2 3区 工程技术
Energy & Fuels Pub Date : 2024-11-21 DOI: 10.1021/acs.energyfuels.4c0442010.1021/acs.energyfuels.4c04420
Changlong Yin*, Yihang Han, Lingtong Meng, Yongqiang Guo, Yu Yan, Dong Liu, Huiji Zhao, Yongming Chai and Chenguang Liu, 
{"title":"Enhanced Isomerization Performance of Unsupported Ni–Nb–O Catalyst for One-Step Hydrogenation of Jatropha Oil to Alkanes","authors":"Changlong Yin*,&nbsp;Yihang Han,&nbsp;Lingtong Meng,&nbsp;Yongqiang Guo,&nbsp;Yu Yan,&nbsp;Dong Liu,&nbsp;Huiji Zhao,&nbsp;Yongming Chai and Chenguang Liu,&nbsp;","doi":"10.1021/acs.energyfuels.4c0442010.1021/acs.energyfuels.4c04420","DOIUrl":"https://doi.org/10.1021/acs.energyfuels.4c04420https://doi.org/10.1021/acs.energyfuels.4c04420","url":null,"abstract":"<p >Biolipids and oil hydrogenation are prominent alternatives to petroleum-based fuels. Currently, the catalysts used are limited to deoxidation activity, resulting in the reaction products with a high content of <i>n</i>-alkanes and waxes, necessitating secondary treatment to increase <i>iso</i>-alkane content. Herein, an unsupported Ni–Nb–O catalyst with trifunctional capabilities (i.e., hydrodeoxygenation, hydrocracking, and isomerization) was developed for the efficient conversion of methyl stearate and jatropha oil into small molecular alkanes. The metal ratio significantly affects the catalytic performance, in which Ni/Nb = 2:0.6 exhibited the highest isomerization activity. Moreover, 84% of the deoxidized products are C<sub>8</sub>–C<sub>17</sub> hydrocarbons, with 53.4% being isomeric hydrocarbons. The catalyst also demonstrated excellent stability, maintaining 54% selectivity for C<sub>8</sub>–C<sub>17</sub> <i>iso</i>-alkanes in jatropha oil feedstock during 240 h of operation.</p>","PeriodicalId":35,"journal":{"name":"Energy & Fuels","volume":"38 23","pages":"22904–22915 22904–22915"},"PeriodicalIF":5.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142850958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling and Analysis on Coal Permeability Considering the Mineral Dissolution Caused by Flue Gas in Fractures
IF 5.2 3区 工程技术
Energy & Fuels Pub Date : 2024-11-21 DOI: 10.1021/acs.energyfuels.4c0421810.1021/acs.energyfuels.4c04218
Yu Shi, Baiquan Lin, Ting Liu* and Yang Zhao, 
{"title":"Modeling and Analysis on Coal Permeability Considering the Mineral Dissolution Caused by Flue Gas in Fractures","authors":"Yu Shi,&nbsp;Baiquan Lin,&nbsp;Ting Liu* and Yang Zhao,&nbsp;","doi":"10.1021/acs.energyfuels.4c0421810.1021/acs.energyfuels.4c04218","DOIUrl":"https://doi.org/10.1021/acs.energyfuels.4c04218https://doi.org/10.1021/acs.energyfuels.4c04218","url":null,"abstract":"<p >Permeability enhancement by injecting acidified flue gas to dissolve minerals within coal fractures offers a novel approach to solve the problem of gas drainage from deep, strongly adsorbent, and low-permeability coal seams. However, the dynamic response mechanisms of the internal expansion coefficient, fracture bulk modulus, and permeability during mineral dissolution in coal fractures remain unclear. To address this problem, we constructed a permeability model that considers the dynamic changes of the internal expansion coefficient and fracture bulk modulus during mineral dissolution based on the “matrix-rock bridge-fracture” physical model of coal. Then, the permeability changes of mineral-containing coal under a constant gas pressure, a constant effective stress, and a constant confining pressure at different reaction times were tested and analyzed using the self-built CO<sub>2</sub>–H<sub>2</sub>O–Coal interaction and permeability test system. Based on the fitting results between the constructed permeability model and the experimental data, we delved into the dynamic evolution patterns of the internal expansion coefficient and the fracture bulk modulus during mineral dissolution in coal fractures. Ultimately, the separate and coupling influences of key parameters of the model (soluble mineral content variation, initial fracture porosity, Langmuir strain constant, Langmuir pressure constant, and average molar volume of soluble minerals) on the coal permeability were clarified by utilizing local and global sensitivity analysis of the verified permeability model. This study can provide a theoretical reference for engineering permeability enhancement by mineral dissolution using flue gas.</p>","PeriodicalId":35,"journal":{"name":"Energy & Fuels","volume":"38 23","pages":"22848–22863 22848–22863"},"PeriodicalIF":5.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142842892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hybrid Amorphous Cu(OH)2/ZIF-67 as Oxygen Evolution Reaction Electrocatalysts for Anion-Exchange Membrane Water Electrolyzers
IF 5.2 3区 工程技术
Energy & Fuels Pub Date : 2024-11-21 DOI: 10.1021/acs.energyfuels.4c0364110.1021/acs.energyfuels.4c03641
In Tae Kim, Seung Hun Lee, Sung Jun Lee, Jun Seok Ha, Seo Hyun Park, Hyunsoo Jin, Woo Jae Lee, Bong Kyun Kang, Hyunju Lee*, Yangdo Kim* and Yoo Sei Park*, 
{"title":"Hybrid Amorphous Cu(OH)2/ZIF-67 as Oxygen Evolution Reaction Electrocatalysts for Anion-Exchange Membrane Water Electrolyzers","authors":"In Tae Kim,&nbsp;Seung Hun Lee,&nbsp;Sung Jun Lee,&nbsp;Jun Seok Ha,&nbsp;Seo Hyun Park,&nbsp;Hyunsoo Jin,&nbsp;Woo Jae Lee,&nbsp;Bong Kyun Kang,&nbsp;Hyunju Lee*,&nbsp;Yangdo Kim* and Yoo Sei Park*,&nbsp;","doi":"10.1021/acs.energyfuels.4c0364110.1021/acs.energyfuels.4c03641","DOIUrl":"https://doi.org/10.1021/acs.energyfuels.4c03641https://doi.org/10.1021/acs.energyfuels.4c03641","url":null,"abstract":"<p >The anion-exchange membrane water electrolyzer (AEM electrolyzer) is an advanced technology for the sustainable production of green hydrogen. However, its commercialization has been hindered by its relatively low performance, which necessitates the use of platinum group metal (PGM)-based electrocatalysts. Herein, we address this challenge by developing a composite material consisting of non-PGM-based amorphous Cu(OH)<sub>2</sub> and ZIF-67. The abundant defects in amorphous Cu(OH)<sub>2</sub> and the modification of the electronic structure, induced by the strong interaction between ZIF-67 and Cu(OH)<sub>2</sub>, significantly enhance the catalytic performance of the oxygen evolution reaction (OER). The AEM electrolyzer equipped with Cu(OH)<sub>2</sub>@ZIF-100 demonstrates a higher performance (1.75 V<sub>cell</sub> at 1.0 A/cm<sup>2</sup>) compared to those using RuO<sub>2</sub> (1.784 V<sub>cell</sub> at 1.0 A/cm<sup>2</sup>) by reducing mass transport losses within the AEM electrolyzer.</p>","PeriodicalId":35,"journal":{"name":"Energy & Fuels","volume":"38 23","pages":"23034–23042 23034–23042"},"PeriodicalIF":5.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142842872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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