Fuel Processing Technology最新文献_第9页

Image segmentation and CNN-based deep learning architectures for the modelling on particulate matter formation during solid fuels combustion 固体燃料燃烧过程中颗粒物质形成建模的图像分割和基于cnn的深度学习架构

IF 7.2 2区工程技术

Fuel Processing Technology Pub Date : 2024-12-24 DOI: 10.1016/j.fuproc.2024.108176

Yanchi Jiang , Lanting Zhuo , Xiaojiang Wu , Zhongxiao Zhang , Xinwei Guo , Wei Wang , Cunjiang Fan

{"title":"Image segmentation and CNN-based deep learning architectures for the modelling on particulate matter formation during solid fuels combustion","authors":"Yanchi Jiang , Lanting Zhuo , Xiaojiang Wu , Zhongxiao Zhang , Xinwei Guo , Wei Wang , Cunjiang Fan","doi":"10.1016/j.fuproc.2024.108176","DOIUrl":"10.1016/j.fuproc.2024.108176","url":null,"abstract":"<div><div>Three typical solid fuels (coal, biomass, and refuse-derived fuel) were individually combusted in a lab-scale drop tube furnace. The computer Vision method was employed to extract the morphological characteristics of particulate matter (PM) and establish a dataset of 12,637 particle features. Six convolutional neural network models were developed, and three transfer learning strategies were studied. The ResNet50 model achieved a peak accuracy of 96.6 % when fine-tuned across all layers, demonstrating its exceptional capability to identify irregular, angular, agglomerated, and completely melted particles. Based on this model, the predominant form of PM<sub>10</sub> produced from all three fuels was irregular, ranging from 28.91 to 81.37 wt%, whereas PM<sub>10–200</sub> consisted primarily of 9.92 to 49.44 wt% angular, 5.10 to 39.59 wt% agglomerated, and 0.08 to 39.06 wt% completely melted forms. By combining combustion experiments and thermodynamic equilibrium calculations, it was proven that Si, Na, K, and Cl form irregular particles as the major types of PM<sub>10</sub>. Si<img>Al readily forms ‘angular’ PM<sub>10–200</sub>, whereas collisions with fine particles in the gas phase leads to the formation of agglomerated particles of Na/K-Al-Si. Ca/Fe-Al-Si formed completely melted particles of 59.06 wt% in total.</div></div>","PeriodicalId":326,"journal":{"name":"Fuel Processing Technology","volume":"267 ","pages":"Article 108176"},"PeriodicalIF":7.2,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143165961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Thermochemical technologies for conversion of biomass and waste into light olefins (C2-C4) 生物质和废弃物转化为轻烯烃的热化学技术（C2-C4）

IF 7.2 2区工程技术

Fuel Processing Technology Pub Date : 2024-12-24 DOI: 10.1016/j.fuproc.2024.108174

Hualun Zhu , Mohammed Babkoor , Marc-Olivier Coppens , Massimiliano Materazzi

{"title":"Thermochemical technologies for conversion of biomass and waste into light olefins (C2-C4)","authors":"Hualun Zhu , Mohammed Babkoor , Marc-Olivier Coppens , Massimiliano Materazzi","doi":"10.1016/j.fuproc.2024.108174","DOIUrl":"10.1016/j.fuproc.2024.108174","url":null,"abstract":"<div><div>The demand for light olefins, including ethylene, propylene, and butene, continues to grow as they serve as essential intermediates for numerous chemical products. Traditional production methods rely heavily on fossil resources, raising concerns about environmental impact and resource depletion. As the global focus shifts towards sustainability and carbon neutrality, researchers are exploring alternative and renewable feedstocks, such as biomass and waste, to produce light olefins. This review paper provides an in-depth analysis of the recent advancements and strategies employed in the production of light olefins directly and indirectly from biomass and waste via thermochemical processes. Emphasis is placed on the role of catalysis in these approaches, covering catalyst types, applications, and performance. Furthermore, this review explores process intensification approaches as potential avenues for enhancing the efficiency and sustainability of olefin production. By presenting a holistic view of the current state of olefin production from recovered feedstocks, this work aims to contribute to the development of greener and more sustainable bio-based industries, ultimately fostering a transition towards a circular economy and mitigating the environmental impact of the petrochemical industry.</div></div>","PeriodicalId":326,"journal":{"name":"Fuel Processing Technology","volume":"267 ","pages":"Article 108174"},"PeriodicalIF":7.2,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143165953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Axial pressure impact on pyrolysis behavior of Xinjiang coal: An inspiration for in-situ pyrolysis of tar-rich coal 轴压对新疆煤热解行为的影响：对富焦油煤原位热解的启示

IF 7.2 2区工程技术

Fuel Processing Technology Pub Date : 2024-12-23 DOI: 10.1016/j.fuproc.2024.108175

Bingyang Kou , Qingmin Shi , Shuangming Wang , Qiang Sun , Shidong Cui , Xiaolong Yang , Xinyue Zhao , Junwei Qiao

{"title":"Axial pressure impact on pyrolysis behavior of Xinjiang coal: An inspiration for in-situ pyrolysis of tar-rich coal","authors":"Bingyang Kou , Qingmin Shi , Shuangming Wang , Qiang Sun , Shidong Cui , Xiaolong Yang , Xinyue Zhao , Junwei Qiao","doi":"10.1016/j.fuproc.2024.108175","DOIUrl":"10.1016/j.fuproc.2024.108175","url":null,"abstract":"<div><div>Tar-rich coal in-situ pyrolysis (TCIP) is a green and low-carbon technology that extracts tar and gas from underground tar-rich coal seams. Overburden pressures are a crucial factor for TCIP that differs from conventional ground pyrolysis. This study investigated the impact of axial pressure on the pyrolysis of Xinjiang tar-rich coal using simulations. The variation of pore structure and volatiles was studied using low-field nuclear magnetic resonance and gas chromatography. Results indicated that pore structure and tar-gas composition evolved synergistically, and presented staged characteristics during pyrolysis under axial stress. 10.0–17.5 MPa, coals compressed to breakage, enhancing pore-fracture connectivity and convective heat transfer during pyrolysis. Pores continued to enlarge, porosity-permeability increased, promoting volatiles release and reducing secondary reactions, leading to increased tar-gas yield, particularly light and phenol oils, CO<sub>2</sub>, and C<sub>2+</sub> gases proportion. Conversely, coals compacted at 20.0–25.0 MPa, pore-fracture connectivity worsened due to fracture closure, decreased convective heat transfer, and weakened pore enlargement phenomenon. The enhancement of matrix heat transfer formed many smaller pyrolysis pores within the coal matrix, but poor connectivity decreased porosity-permeability. This increased the release resistance of volatiles, strengthened secondary reactions, and reduced tar-gas yields. However, the proportion of light and naphthalene oils, CH<sub>4</sub>, H<sub>2</sub>, and CO is increasing.</div></div>","PeriodicalId":326,"journal":{"name":"Fuel Processing Technology","volume":"267 ","pages":"Article 108175"},"PeriodicalIF":7.2,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143165960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Study of the mechanism of high-efficient in-situ SO2 fixation during oxidative roasting of high‑sulfur iron ores and DFT calculation 高硫铁矿石氧化焙烧过程中高效原位固SO2机理研究及DFT计算

IF 7.2 2区工程技术

Fuel Processing Technology Pub Date : 2024-12-18 DOI: 10.1016/j.fuproc.2024.108171

Xiaojiao Chen , Yuming Ren , Wenjun Gao , Na Zhao

{"title":"Study of the mechanism of high-efficient in-situ SO2 fixation during oxidative roasting of high‑sulfur iron ores and DFT calculation","authors":"Xiaojiao Chen , Yuming Ren , Wenjun Gao , Na Zhao","doi":"10.1016/j.fuproc.2024.108171","DOIUrl":"10.1016/j.fuproc.2024.108171","url":null,"abstract":"<div><div>The development and utilization of high‑sulfur iron ore in China has provided abundant raw materials for the iron and steel industry, but it has also created severe environmental challenges, particularly in controlling sulfur dioxide emissions. Although the current sulfur-fixation technology has made some progress, it still has limitations such as low efficiency and less stability. This study will in-depth explore the mechanism of in-situ sulfur fixation with the aim of solving aforementioned issues and realizing the transition from terminal desulphurization to process control. Firstly, the effects of oxidation roasting temperature, oxygen concentration, gas flow rate and sulfur-fixation agent concentration on the sulfur-fixation efficiency were investigated to determine the regulation mechanism of sulfur fixation technology. Moreover, the sulfur-fixation activities of CaO and MgO were also compared in depth by Density Functional Theory (DFT) calculation in terms of surface adsorption energy, transition state and partitioned density of states (PDOS). Finally, the sulfur-fixation mechanism was analyzed in depth by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) tests in terms of phase composition, crystal structure and surface morphology. Therefore, the work will present basic theory and systematic guidance for in-site sulfur-fixation of high‑sulfur iron ore under oxidation roasting process.</div></div>","PeriodicalId":326,"journal":{"name":"Fuel Processing Technology","volume":"267 ","pages":"Article 108171"},"PeriodicalIF":7.2,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143165955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Experimental studies on the influence of chlorides on the combustion and agglomeration characteristics of solid propellants 氯化物对固体推进剂燃烧和团聚特性影响的实验研究

IF 7.2 2区工程技术

Fuel Processing Technology Pub Date : 2024-12-10 DOI: 10.1016/j.fuproc.2024.108172

Lu Liu , Geng Xu , Zhan Wen , Guoqiang He , Peijin Liu , Wen Ao

{"title":"Experimental studies on the influence of chlorides on the combustion and agglomeration characteristics of solid propellants","authors":"Lu Liu , Geng Xu , Zhan Wen , Guoqiang He , Peijin Liu , Wen Ao","doi":"10.1016/j.fuproc.2024.108172","DOIUrl":"10.1016/j.fuproc.2024.108172","url":null,"abstract":"<div><div>The main approach to improving the performance of aluminum-containing propellants is to promote the rupture of the oxide film on the surface of aluminum. The high melting point of the oxide film is the primary obstacle to the oxidation reaction of the internal aluminum. This study proposes the concept of using chlorides to regulate the performance of propellants by leveraging the low melting point of aluminum chloride. Firstly, all four chlorides effectively promoted the oxidation of aluminum. Secondly, the combustion intensity of the powders, from highest to lowest, was: chlorinated polyvinyl chloride -modified aluminum powder, praseodymium chloride-modified aluminum powder, sodium chloride-modified aluminum powder, micron aluminum powder, and iron chloride-modified aluminum powder. Only chlorinated polyvinyl chloride significantly reduced the ignition delay time. Regarding the burning rate of propellants, iron chloride-modified propellants exhibited the best performance, while sodium chloride propellants showed a reduction in the burning rate. In terms of propellant agglomeration characteristics, sodium chloride aggravated agglomeration, whereas the other three inhibited agglomeration. Among them, iron chloride and praseodymium chloride reduced the average particle size of the condensed combustion products by 23.5 % and 43.0 %, respectively. The experimental results of this study provided a new approach for the performance optimization of solid propellants.</div></div>","PeriodicalId":326,"journal":{"name":"Fuel Processing Technology","volume":"267 ","pages":"Article 108172"},"PeriodicalIF":7.2,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143165954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

A comprehensive review of catalyst deactivation and regeneration in heavy oil hydroprocessing 重油加氢工艺中催化剂失活与再生研究综述

IF 7.2 2区工程技术

Fuel Processing Technology Pub Date : 2024-12-03 DOI: 10.1016/j.fuproc.2024.108170

Phuong T.H. Pham , Cham Q. Pham , Thi-Tam Dam , Quang-Anh Nguyen , Tung M. Nguyen

引用次数: 0

Co-pyrolysis of coal-derived sludge and low-rank coal: Thermal behaviour and char yield prediction 煤源污泥与低阶煤共热解：热行为与炭产率预测

IF 7.2 2区工程技术

Fuel Processing Technology Pub Date : 2024-11-29 DOI: 10.1016/j.fuproc.2024.108165

Tianli Zhang , Chenxu Zhang , Hai Ren , Zhong Huang , Jun Feng , Na Liu , Rui Li , Yulong Wu

{"title":"Co-pyrolysis of coal-derived sludge and low-rank coal: Thermal behaviour and char yield prediction","authors":"Tianli Zhang , Chenxu Zhang , Hai Ren , Zhong Huang , Jun Feng , Na Liu , Rui Li , Yulong Wu","doi":"10.1016/j.fuproc.2024.108165","DOIUrl":"10.1016/j.fuproc.2024.108165","url":null,"abstract":"<div><div>Coal-derived sludge, a solid waste produced by the coal industry, offers potential opportunities for resource recovery due to its high organic matter. However, its products face challenges related to low utilization efficiency and economic value. Effective and clean treatment of coal-derived sludge is essential for sustainable development. Herein, we studied the co-pyrolysis treatment of coal-derived sludge and low-rank coal at different temperatures (500 °C−900 °C) and pretreatment methods (mechanical mixing and hydrothermal co-treatment). The co-pyrolysis of sludge and coal could increase the pyrolysis char yield and H<sub>2</sub> yield, as well as reduce CO<sub>2</sub> emissions. The hydrothermal co-treatment significantly improved the cleanliness of the co-pyrolysis treatment. Then we conducted a comprehensive analysis of the properties of the pyrolysis char using different characterization techniques. In order to better evaluate the distribution of co-pyrolysis product yield, six machine learning models were developed to predice co-pyrolysis char yield. The best model-predicted values showed excellent predictive performance when compared to the experimental values at high pyrolysis temperatures (≥700 °C). This study provided a new perspective on the resource utilization of coal-derived sludge and low-rank coal.</div></div>","PeriodicalId":326,"journal":{"name":"Fuel Processing Technology","volume":"267 ","pages":"Article 108165"},"PeriodicalIF":7.2,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Transformation of Mg-bearing minerals and its effect on slagging during the high-alkali coal combustion 高碱煤燃烧过程中含镁矿物的转化及其对结渣的影响

IF 7.2 2区工程技术

Fuel Processing Technology Pub Date : 2024-11-29 DOI: 10.1016/j.fuproc.2024.108166

Bowen Chen, Zhuo Xiong, Yongchun Zhao, Junying Zhang

{"title":"Transformation of Mg-bearing minerals and its effect on slagging during the high-alkali coal combustion","authors":"Bowen Chen, Zhuo Xiong, Yongchun Zhao, Junying Zhang","doi":"10.1016/j.fuproc.2024.108166","DOIUrl":"10.1016/j.fuproc.2024.108166","url":null,"abstract":"<div><div>To better understand the mineralogical, release-transformation patterns and ash deposition of Mg-bearing minerals, Wucaiwan Coal (WCW), Meihuajing Coal (MHJ), and slag of water wall from a power plant were collected and high-temperature ash transformation experiments were conducted. X-ray fluorescence (XRF), X-ray diffractometer (XRD), scanning electron microscope coupled with energy dispersive spectrometer (SEM-EDS), and simultaneous thermogravimetry and differential scanning calorimetry (TG-DSC) were used to analyze the mineralogy, chemical composition, and characteristics. The results show that the Mg-bearing minerals in high-alkali coal and ash include dolomite, chlorite, forsterite, melilite, akermanite, diopside, bredigite, pyroxene, periclase, spinel, and magnesioferrite. During combustion, the release of Mg is affected by its mode of occurrence. Mg-bearing minerals gradually transform into thermally stable minerals, including spinel, periclase, and pyroxene, with the transformation pathway being dolomite → Mg-bearing silicate (diopside, akermanite, bredigite) → pyroxene/spinel/periclase. Moreover, Ca has a competitive and synergistic effect on the transformation of Mg-bearing minerals, which depends on the relative content of Si and Al in ash. Spinel is the primary Mg-bearing mineral in high-temperature ash, and Fe may substitute for both Mg and Al. In coal combustion, the formation of Mg-Al-Fe and Mg-Al-Fe-Si-Ca eutectic systems from Mg-bearing minerals causes slagging on the water wall and worsens water wall corrosion.</div></div>","PeriodicalId":326,"journal":{"name":"Fuel Processing Technology","volume":"267 ","pages":"Article 108166"},"PeriodicalIF":7.2,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Role of secondary char on the fuel properties and pyrolysis behaviors of hydrochars: Effect of temperature and liquid-solid ratio 二次炭对烃类燃料性质和热解行为的影响：温度和液固比的影响

IF 7.2 2区工程技术

Fuel Processing Technology Pub Date : 2024-11-29 DOI: 10.1016/j.fuproc.2024.108167

Hongyue Fu , Fang Wang , Zhenfei Liu , Xiaoning Duan , Lihong Wang , Weiming Yi , Deli Zhang

{"title":"Role of secondary char on the fuel properties and pyrolysis behaviors of hydrochars: Effect of temperature and liquid-solid ratio","authors":"Hongyue Fu , Fang Wang , Zhenfei Liu , Xiaoning Duan , Lihong Wang , Weiming Yi , Deli Zhang","doi":"10.1016/j.fuproc.2024.108167","DOIUrl":"10.1016/j.fuproc.2024.108167","url":null,"abstract":"<div><div>Hydrothermal carbonization (HTC) is widely recognized as a promising approach for enhancing the fuel properties of agricultural waste. This study investigated the HTC characteristics of corn stalks, focusing on the effect of secondary char (SC) on the fuel properties and pyrolysis behaviors of hydrochars at different temperature and liquid-solid ratio (LSR). Results showed that lower LSR increased the carbon content and higher heating value of hydrochars. Higher temperature strengthened the effect of LSR. At 240 °C, hydrochar yield decreased from 58.56 % to 45.59 % as the LSR increased. The higher LSR enhanced hydrolysis and promoted the transfer of organic components to aqueous phase, thereby facilitating SC formation with a content as high as 12.10 %. The increase in SC was accompanied by larger carbon microspheres and greater deposition coverage, resulting in reduced specific surface area and elevated oxygen-containing functional groups. The covering of SC strengthened the pyrolysis-like reaction of primary char (PC) during HTC (limited by contact with water). These changes influenced subsequent pyrolysis behavior, with PC tending to produce phenols at low LSR but aromatic hydrocarbons at high LSR. This work could enhance the understanding of SC and provide a practical approach combining HTC and extraction to regulate bio-oil preparation by pyrolysis.</div></div>","PeriodicalId":326,"journal":{"name":"Fuel Processing Technology","volume":"267 ","pages":"Article 108167"},"PeriodicalIF":7.2,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Hydrogen production by the water-gas shift reaction: A comprehensive review on catalysts, kinetics, and reaction mechanism 水气转换反应制氢：催化剂、动力学和反应机理综述

IF 7.2 2区工程技术

Fuel Processing Technology Pub Date : 2024-11-28 DOI: 10.1016/j.fuproc.2024.108163

Leila Dehimi , Oualid Alioui , Yacine Benguerba , Krishna Kumar Yadav , Javed Khan Bhutto , Ahmed M. Fallatah , Tanuj Shukla , Maha Awjan Alreshidi , Marco Balsamo , Michael Badawi , Alessandro Erto

{"title":"Hydrogen production by the water-gas shift reaction: A comprehensive review on catalysts, kinetics, and reaction mechanism","authors":"Leila Dehimi , Oualid Alioui , Yacine Benguerba , Krishna Kumar Yadav , Javed Khan Bhutto , Ahmed M. Fallatah , Tanuj Shukla , Maha Awjan Alreshidi , Marco Balsamo , Michael Badawi , Alessandro Erto","doi":"10.1016/j.fuproc.2024.108163","DOIUrl":"10.1016/j.fuproc.2024.108163","url":null,"abstract":"<div><div>The global push towards a hydrogen economy fuels hydrogen production from various sources. A crucial step in enriching hydrogen and reducing CO in syngas derived from carbon-based hydrogen production is the water-gas shift reaction (WGSR). Given the equilibrium-limited nature of WGSR, low temperatures are necessary to reduce carbon monoxide concentrations to the desired level. Traditionally, iron‑chromium (Fe/Cr) and copper‑zinc (Cu/Zn) catalysts have been widely used at high and low temperatures, respectively. Numerous studies have focused on developing optimal WGS catalysts with the desired characteristics and efficiency. This review extensively discusses various catalysts for different stages of WGSR, including low, medium, high-temperature, and sour WGS catalysts. However, understanding the contrast between the redox and associative mechanisms and the nature of intermediates in the WGS pathway remains unclear. A detailed study of the WGSR pathway is imperative to develop highly active and stable catalysts. Various experimental kinetic values and models have also been reported to elucidate the WGSR mechanism at different temperatures. The primary deactivation sources of WGS catalysts have been discussed to highlight recent advances to improve catalyst performance. The contribution of computational methods such as Density Functional Theory (DFT) to developing WGS catalysts is also explored. Furthermore, the review addresses the challenges encountered in the WGSR, and recommendations and conclusions are drawn to guide future research efforts.</div></div>","PeriodicalId":326,"journal":{"name":"Fuel Processing Technology","volume":"267 ","pages":"Article 108163"},"PeriodicalIF":7.2,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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