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Characterization of the decomposition behaviors of catalytic pyrolysis of alkaline lignin with the addition of different concentrations of potassium J. Energy Inst. (IF 5.7) Pub Date : 2024-03-26 Pan Li, Biao Wang, Junhao Hu, Wei Chen, Shuqi Fang, Chun Chang, Shusheng Pang
Investigating the influence of potassium concentration on alkali lignin pyrolysis is beneficial for advancing the technology of biomass catalytic pyrolysis. This study examined the catalytic effects of different concentrations of various potassium compounds on alkali lignin pyrolysis. The impregnation method was employed to load potassium compounds (KCl, KCO, and CHCOOK) onto alkali lignin at varying
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Deduction of lignite liquefaction mechanism based on carbon structure analysis and free radical determination J. Energy Inst. (IF 5.7) Pub Date : 2024-03-24 Lishi Chen, Huan Li, Yuanyuan Zhang, Tieying Pan, Dexiang Zhang
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Assessment of energy consumption and environmental safety measures in a plasma pyrolysis plant for eco-friendly waste treatment J. Energy Inst. (IF 5.7) Pub Date : 2024-03-24 Tejashwi Rana, Satyananda Kar
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Experimental study on variation characteristics of combustion heat load in circulating fluidized bed under fuel high-temperature preheating modification J. Energy Inst. (IF 5.7) Pub Date : 2024-03-24 Zihua Tang, Guoliang Song, Weijian Song, Liwei Sun, Zengcai Ji, Yang Ji, Yinjiang Zhang
This study introduces an innovative application of fuel high-temperature preheating modification technology to circulating fluidized bed (CFB), intending to enhance the variable load rate of CFB and reduce its NO emissions. The variable combustion heat load (CHL) experiments were conducted on a novel CFB experimental platform comprising a preheating modification device (PMD) and CFB. The findings indicate
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The coupling influence of chemical/physical effects of NH3 on the NO formation in the premixed CH4–NH3 flames J. Energy Inst. (IF 5.7) Pub Date : 2024-03-21 Zhilong Wei, Lei Wang, Xiang Zhang, Haisheng Zhen
The individual and coupling chemical/physical effects of NH3 addition on the NO formation of the CH4 premixed combustion process are investigated using the numerical simulation and the detailed chemical mechanism. The roles of chemical and physical effects of NH3 component in NO formation routes and major NO-related reactions of CH4–NH3 premixed flames are identified at different equivalence ratios
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Simulation study on nitrogen transformation characteristics of NH3/Coal Co-firing under deeply air-staged condition J. Energy Inst. (IF 5.7) Pub Date : 2024-03-21 Liangxu Dai, Chang'an Wang, Tao Zhang, Yuhang Li, Chaowei Wang, Jiamiao Liu, Xinyue Gao, Defu Che
Carbon emissions have become a prominent global concern, with the utilization of fossil fuels serving as the primary contributor. Ammonia, being a hydrogen carrier without carbon, has the potential to be utilized through combustion, resulting in the production of water and nitrogen as ideal byproducts, which are environmentally benign. However, individual ammonia is difficult to combust due to its
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Experimental study and kinetic analysis of NO emission characteristics in ammonia/coal co-firing process with different ammonia injection methods J. Energy Inst. (IF 5.7) Pub Date : 2024-03-21 Xin Wang, Weidong Fan, Jun Chen, Hai Zhang
Ammonia/coal co-firing in coal-fired power plants is an effective way to achieve CO reduction. In this paper, the ammonia/coal co-firing study was carried out in a 45 kW wall-temperature-controlled staged combustion downstream furnace at 1100 °C. Bituminous coal was used as the experimental object to analyze the effects of ammonia injected at the main combustion zone, reduction zone, with the burnout
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Investigation on prospective bioenergy from pyrolysis of macadamia nut shell waste using multicomponent Fraser-Suzuki kinetic model, kinetic triplet and thermodynamic parameters J. Energy Inst. (IF 5.7) Pub Date : 2024-03-20 Yang Wang, Shiliang Yang, Guirong Bao, Hua Wang
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Rapid pyrolysis mechanism and product distribution of coal model compounds containing typical C–O bonds J. Energy Inst. (IF 5.7) Pub Date : 2024-03-20 Ruotong Cui, Wenlong Xu, Feng Liu, Lei Yu, Jiming Liu, Xi Chen, Yingyun Qiao, Yuanyu Tian
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Effects of biodiesel injector configuration and its injection timing on performance, combustion and emissions characteristics of liquid ammonia dual direct injection engine J. Energy Inst. (IF 5.7) Pub Date : 2024-03-19 Ebrahim Nadimi, Grzegorz Przybyła, Terese Løvås, Wojciech Adamczyk
Ammonia is a promising carbon-neutral fuel that can be stored and transported in liquid form, offering a viable alternative to diesel fuel. In addition, it can be used directly in diesel engine in its liquid form in dual fuel mode. Hence, a single-cylinder diesel engine was modified to implement two common rail (CR) injection systems, allowing the direct injection of liquid ammonia with biodiesel.
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Study on the composition of gasoline fractions obtained as a result of waste tires pyrolysis and production bitumen modifiers from it J. Energy Inst. (IF 5.7) Pub Date : 2024-03-14 Serhiy Pyshyev, Yurii Lypko, Bohdan Korchak, Ihor Poliuzhyn, Zoriana Hubrii, Iryna Pochapska, Kateryna Rudnieva
Waste tires pose a significant threat to the environment. On the other hand, they are a potential raw material for energy production. Pyrolysis is one of the most promising methods for utilizing waste tires in a circular economy. The aim of the research was to study in detail the composition of gasoline fractions obtained during waste tires pyrolysis, and to search for effective methods of their a
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Exploring NH3 combustion in environments with CO2 and H2O via reactive molecular dynamics J. Energy Inst. (IF 5.7) Pub Date : 2024-03-13 Kaiqi Zhang, Xiao Ma, Yanfei Li, Shijin Shuai
In existing power units such as internal combustion engines and gas turbines, the combustion of ammonia mixed with hydrocarbon fuels can effectively enhance the combustion intensity of ammonia. In the duel-fuel combustion scenario, the effect mechanism of the main components of combustion exhaust gas i.e., CO and HO on ammonia combustion is still unclear and needs to be studied. Therefore, this paper
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Effects of surface functional groups on the wettability of biodiesel combustion particulate matter J. Energy Inst. (IF 5.7) Pub Date : 2024-03-13 Jiayi Du, Jia Qin, Dengpan Zhang, Sheng Jiang, Yinnan Yuan
This paper investigates the impact of particle surface functional groups on the wettability of particulate matter (PM) emitted from biodiesel engines. Fourier Transform Infrared Spectroscopy (FTIR), X-ray Photoelectron Spectrometry (XPS), and Contact Angle Measurement techniques were employed to detect and analyze PM generated from combustion of diesel, soybean oil methyl ester (SME), palm oil methyl
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Insights into the adsorption and decomposition mechanisms of tar typical model compounds (benzene, toluene and phenol) on Ni(111) surface by DFT calculations J. Energy Inst. (IF 5.7) Pub Date : 2024-03-13 Heng Chen, Junguang Meng, Xinye Wang, Shiwei Ma, Changsheng Bu, Jubing Zhang, Changqi Liu, Hao Xie
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Study on ex-situ catalytic pyrolysis of poplar to produce aromatics over a dual-catalyst system of hydroxyapatite and HZSM-5 J. Energy Inst. (IF 5.7) Pub Date : 2024-03-13 Liwen Du, Zhongyang Luo, Kaige Wang, Feiting Miao, Qingguo Zhou, Wanchen Zhu, Longfei Li
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Numerical simulation analysis of biomass gasification and rich-H2 production process in a downdraft gasifier J. Energy Inst. (IF 5.7) Pub Date : 2024-03-13 Yili Zhang, Ao Zhou, Zhan Li, Hanlin Zhang, Yue Xiong, Rihong Xiao, Zhongfa Hu, Xuebin Wang
Biomass gasification technology offers a sustainable solution for managing agricultural waste, mitigating environmental pollution, and enhancing living standards. This work deploys Aspen Plus to simulate a downdraft gasifier with an integrated H reforming module. The impact of key factors, including air equivalence ratio (ER), gasification system pressure, water vapor input, gasification agent temperature
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Role of oxophilic metal ions (Mo, Zr, Ti) impregnated Ni/γ-Al2O3 catalysts for hydrothermal liquefaction of kraft lignin J. Energy Inst. (IF 5.7) Pub Date : 2024-03-12 Yanfang Zhu, Yuzhen Zhao, Qingbo Li, Xinli Shi, Xiaorui Li, Guiyang Xu
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Effect of Fe and its oxides on steam gasification mechanism of lignin using ReaxFF molecular dynamics simulations J. Energy Inst. (IF 5.7) Pub Date : 2024-03-12 Weiming Zhan, Daosheng Peng, Kejiang Li, Zeng Liang, Yushan Bu, Zhen Sun, Chunhe Jiang, Jianliang Zhang
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The effect of CH4 addition on high-H2 syngas combustion characteristics under N2/CO2 dilution J. Energy Inst. (IF 5.7) Pub Date : 2024-03-12 Fahui Wang, Chuanshuang Xiao, Dan Zhang, Xiaoping Wen, Haoxin Deng, Guoyan Chen
The composition of biomass gas is complex, in order to promote the more extensive and efficient utilization of low-calorific syngas, it is necessary to master the basic combustion characteristics of low-calorific syngas under different compositions. In this paper, the effects of addition of CH (0% – 20%) on the combustion characteristics of laminar flow flame of high-H syngas (H:CO = 3:1) were studied
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Co-pyrolysis of sewage sludge and sawdust: Synergistic effects of product yield and synthetic gas calorific value J. Energy Inst. (IF 5.7) Pub Date : 2024-03-12 Weihong Zhou, Zhichao Guo, Xiangyu Li, Yifei Ding, Yujie Wang, Bin Bai
Co-pyrolysis of sludge and sawdust, which are two renewable and abundant biomass resources, offers a promising environmental-friendly way to produce valuable energy products. In this study, the synergistic effect between sludge and sawdust was quantified by fixed bed reactor and thermogravimetric experiments. The product yield and product quality were also studied. The results showed that both temperature
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La/Mn molar ratio tuning the activity of La–Mn perovskites for CO and propane oxidation J. Energy Inst. (IF 5.7) Pub Date : 2024-03-05 Xing Liu, Shiyu Wang, Yixin Liao, Mengni Lei, Xiuzhong Fang, Xianglan Xu, Xiang Wang
A series of non-stoichiometric LaMnO with La/Mn molar ratio x in the range of 0.80–1.2 have been prepared by a glycine combustion method and calcinated at 700 °C. The Mn-rich (x < 1) and La-rich (x > 1) catalysts presented higher and lower activity for CO and propane oxidation than the stoichiometric LaMnO, respectively. The LaMnO presented pure perovskite phase without La- or Mn-related phases detected
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The impact of chlorine and sulfur on alkali metal migration and submicron particle formation during solid fuel combustion J. Energy Inst. (IF 5.7) Pub Date : 2024-03-05 Xiaoxue Niu, Yueming Wang, Huimin Liu, Xiaolong Li, Lunbo Duan
Submicron particles (PM) emission from the incineration of solid fuels rich in chlorine, sulfur, or alkali metal elements pose environmental and health concerns for humans. The current understanding of the interactions between these elements and PM formation is extensive, but it still lacks a systematic approach. This paper establishes a comprehensive model to predict the migration process of Cl, S
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Study on the Co-combustion characteristics and synergistic effect of semi-coke and dust coal produced from biomass briquette in fluidized bed gasification J. Energy Inst. (IF 5.7) Pub Date : 2024-03-02 Haodong Fan, Han Zhang, Xiong Zhang, Dong Zhou, Cunbian Jia, Zixue Luo, Shaohui Ren, Hanping Chen, Hairui Yang, Shihong Zhang
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Characteristics and mechanism of slagging in a 500 t/d MSW incinerator J. Energy Inst. (IF 5.7) Pub Date : 2024-03-02 Tianyuan Jia, Shanping Chen, Lulu Teng, Ruina Zhang, Guoan Yuan, Yong Chen, Lijie Yin
With the promotion of classified collection of municipal solid waste (MSW), the heating value of waste sent to incinerators has significantly increased, which affects slagging and ash deposition. Thoroughly studying the slag characteristics in incinerators is important for determining its formation conditions and processes. In this study, slag samples from the furnace and superheaters of a 500 t/d
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Supercritical ethanol-assisted catalytic upgrading of bio-tar using mesoporous SBA-15 supported Ni-based catalysts J. Energy Inst. (IF 5.7) Pub Date : 2024-02-28 Jin-Hyuk Lee, Ghazaleh Amini, Ji-Yeon Park, In-Gu Lee
The bio-tar transformation was conducted utilizing Ni-based catalysts supported on mesoporous SBA-15 within a supercritical ethanol environment. This approach aimed to facilitate the synthesis of biofuels and/or value-added chemical compounds, including alkyl phenols and aromatics. The characterization of the catalysts was accomplished by X-ray diffraction (XRD), N-sorption, temperature programmed
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Copper and zinc-impregnated mesoporous gamma-alumina catalyst for hydrothermal liquefaction of alkali lignin J. Energy Inst. (IF 5.7) Pub Date : 2024-02-28 Xiaoping Zhang, Zhuo Li, Fengyang Zheng, Lin Zou, Zhan Zhang, Bo Fu, Gaolei Xi
The complete utilization of lignocellulose is a sustainable key for bio-refineries, where the utilization of evitable lignin is a great challenge owing to its structural complexity. Here, the effect of Cu and Zn-loaded mesoporous γ-AlO catalysts was examined for the first time for the hydrothermal liquefaction of alkali lignin in an ethanol/water solvent system. It showed excellent performance towards
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Linking biomass pyrolysis and biotransformation: A bibliometric review J. Energy Inst. (IF 5.7) Pub Date : 2024-02-28 Yifeng Jiang, Zhiquan Hu, Long Cheng, Chengyi Luo
Biomass pyrolysis has been a focal point in the energy utilization sector, offering a promising avenue for the conversion of organic matter into energy carriers. Concurrently, bioconversion has emerged as a critical strategy for the targeted treatment of complex and recalcitrant pollutants, particularly those that are challenging to be degraded. Despite these recent advancements, biomass pyrolysis
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New insights into the various SCR performances of the CeOx-FeOx mixed-oxide catalysts prepared using different iron precursors J. Energy Inst. (IF 5.7) Pub Date : 2024-02-28 Dong Ye, Jingyi Feng, Yifeng Xu, Yihao You, Shujie Gao, Ruitang Guo, Kai zhu
This article illustrated the effects of iron precursors on the deNO performance of the CeO-FeO catalysts. With regard to the catalyst prepared using Fe(NO) as the iron precursor (CeFe–N), relatively poor deNO performance was observed; <80% NO conversion was obtained at 130–450 °C. While for the samples synthesized using FeCl and Fe(SO) as the iron sources (CeFe–C and CeFe–S), >90% of the NO was effectively
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Pyrolysis behavior of low-rank coal in an H2-containing atmosphere and combustion properties of the prepared chars J. Energy Inst. (IF 5.7) Pub Date : 2024-02-27 Cheng Ma, Yuzhen Zhao, Xingyue Guo, Ruijuan Yao, Chong Zou, Zongcheng Miao
The H atmosphere exerts an important influence on both the pyrolysis behavior of low-rank coal and the efficient application of the resultant char. Thermogravimetry-mass spectrometry in conjunction with the Fourier transform infrared was applied to examine the pyrolytic properties of low-rank coal in an H-containing atmosphere. The coal chars’ carbon chemical structure, surface morphology, pore structure
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Efficient and robust ultrathin porous carbon encapsulated Ni–Sn intermetallic compounds derived from metal–organic frameworks for in-situ aqueous phase deoxygenation of fatty acid methyl esters J. Energy Inst. (IF 5.7) Pub Date : 2024-02-27 Haonan Shi, Sihao Shu, Zhongze Wang, Xing Zhang, Xiaoyu Gu, Jixiang Chen
Deoxygenation of fatty acid esters in aqueous phase using generated H has emerged as a promising approach to producing sustainable diesel-like hydrocarbons. In this study, we employed a solvothermal method to synthesize novel Ni–Sn metal–organic frameworks (MOFs) with a homogeneous distribution of Ni and Sn elements. Subsequently, various Ni–Sn intermetallic compounds (IMCs) encapsulated with a porous
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Investigation on the chemical structure evolution and action mechanism of coal during catalytic combustion J. Energy Inst. (IF 5.7) Pub Date : 2024-02-27 Huishuang Di, Qing Wang, Baomin Sun, Mingyang Sun, Jinghui Zhang, Da Cui
Catalytic combustion is one of the most promising technologies to realize efficient and clean coal combustion, but its catalytic mechanism is unknown until now. This study selected three types coal to explore the influence of catalysts on the chemical structure, surface morphology, and action mechanism during combustion. Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy
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Solid solution of Ce1-xYxO2-δ supported nickel-based catalysts for auto-thermal reforming of acetic acid with high resistance to coking J. Energy Inst. (IF 5.7) Pub Date : 2024-02-26 Ying Su, Chenghong Shu, Chenyu Ding, Qi Chen, Yingchun Xu, Jian Sheng, Lihong Huang
Nickel-based catalysts are widely applied in auto-thermal reforming (ATR) of acetic acid (HAc) to extract hydrogen, but the persistent issue of coking is still a concern. Herein, CeYO solid solutions were obtained to support nickel and the catalytic activity for the ATR was examined. The results indicated that with Y species in CeO lattice, the CeYO solid solution structures with lattice defects and
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Catalytic pyrolysis of brewer's spent grain in spouted bed reactor using calcium oxide for upgrading oil J. Energy Inst. (IF 5.7) Pub Date : 2024-02-24 Grazielle Emanuella De Souza dos Santos, Cláudio Roberto Duarte, Carla Eponina Hori, Marcos Antonio De Souza Barrozo
This study investigates the potential of brewer's spent grain as a fuel source through fast pyrolysis in a spouted bed reactor, aiming to contribute to sustainable fuel alternatives and the mitigation of the environmental consequences of fossil fuel consumption. Both non-catalytic and catalytic tests evaluated the effects of temperature, biomass feed rate, and catalyst concentration on yields and hydrocarbon
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An improved detailed chemical mechanism for numerical simulations of the gas-phase of biomass combustion J. Energy Inst. (IF 5.7) Pub Date : 2024-02-23 A H M Nazmush Sakib, Madjid Birouk
The design of efficient and clean biomass combustion systems requires a good understanding of the combustion process. Computational Fluid Dynamics (CFD) can play a key role. However, the success of CFD simulations depends, to a great deal, on the chosen chemical kinetic reaction mechanism, among others. Due to the greater computational cost when using detailed chemical mechanisms, reduced or semi-reduced
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High stable NiCoAl catalyst prepared by combustion method for the hydrodeoxygenation of lignin-derived phenolic compounds: Effect of calcination temperature J. Energy Inst. (IF 5.7) Pub Date : 2024-02-23 Xiaoxin Chen, Bowen Luo, Junyao Wang, Jianping Liu, Chao Wang, Zhipeng Tian, Riyang Shu, Ying Chen
The hydrodeoxygenation of lignin-derived phenolic compounds holds great promise for biomass-derived liquid fuel production. However, achieving a consistently high cyclohexane yield poses a formidable challenge. In this study, NiCoAl catalysts were successfully synthesized using the solution combustion method for the hydrodeoxygenation of lignin-oil. The impact of calcination temperature on the preparation
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Evaluation of a novel nickel ceramic filter prepared by urea precipitation method for removal of tars from biomass syngas using naphthalene as tar model compound J. Energy Inst. (IF 5.7) Pub Date : 2024-02-22 Devin Peck, Naresh Deoli, William Holmes, Daniel Gang, Mark Zappi, Rafael Hernandez, Prashanth Buchireddy
Gasification has been shown to be an effective thermal conversion process for waste biomass in order to create fuel, specialty chemicals, and hydrogen. Gasification is likely to take on a major role in the near future in the burgeoning hydrogen economy. In order to improve the commercial viability of gasification, catalytic tar reforming has come to the forefront as one of the most promising methods
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Effects of the alkali metal oxides and bed material compositions on agglomeration phenomena in CFB boiler J. Energy Inst. (IF 5.7) Pub Date : 2024-02-22 Mu-Hyeok Yeon, Min-Woo Kim, Dae-Gyun Lee, Gyeong-Min Kim, Chung-Hwan Jeon
Circulating fluidized bed boiler is environmentally friendly technology in power generation. However, agglomeration related operational standard has not been established yet. As a basis of establishing standard, the fixed bed agglomeration mechanism of bed inventory was investigated. The melting temperature reduction occurred with induced change of alkali metal compositions. The melting temperature
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Detailed kinetics modeling of sulfur species evolution in alternating reducing/oxidizing atmosphere J. Energy Inst. (IF 5.7) Pub Date : 2024-02-22 Honghe Ma, Shaoxu Shi, Lu Zhou, Xudong Xu
Under conditions of deep load fluctuation, the furnace of a coal-fired boiler experiences alternating reduction/oxidation atmospheres, which directly impact the evolution of sulfur species. Building upon our previous mechanism (Model I), this study specifically considered the influence of alternating atmospheres and proposed a comprehensive reaction model (Model II), incorporating 8 additional elementary
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Molecular characteristics of eight lignites based on the big data obtained from Orbitrap mass spectrometry J. Energy Inst. (IF 5.7) Pub Date : 2024-02-20 Jin-Li Huang, Xing Fan, Ya-Ru Yu, Shi-Chao Yu, Xian-Yong Wei, Ke Deng, Xiang Bai, Yan Li, Wen-Long Mo
Eight lignites from different regions were selected for thermal dissolution (TD) sequentially using cyclohexane, methanol and ethanol. The TD extracts of the eight coal samples were characterized using atmospheric pressure chemical ionization source (APCI)-Orbitrap mass spectrometry (MS). Chemometric methods were employed to deeply explore the molecular structural and composition information of the
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Study on the purification performance of modified La–Ni based perovskite catalysts co-doped with metal K and Pr for simultaneous removing soot particles and NOx of diesel engine exhaust J. Energy Inst. (IF 5.7) Pub Date : 2024-02-08 Gang Zhou, Jinhao Zhang, Xinyuan Zhang, Zhuo Xu, Hui Zhen, Yongliang Zhang
The synchronous removal of soot particles and NO using high-performance catalysts is a research hotspot in the catalytic purification of diesel engine exhaust. In this paper, glucose is used as a complexing agent to successfully prepare a series of praseodymium and/or potassium doped La–Ni-based perovskite catalysts. The LaPrKNiO catalyst exhibits the best catalytic performance when NO is present in
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Experimental study on the combustion and emission characteristics of ammonia-diesel dual fuel engine under high ammonia energy ratio conditions J. Energy Inst. (IF 5.7) Pub Date : 2024-02-07 Liang Zheng, Shijie Mi, Hongmei Li, Xiaoxing Tan, Yong Qian, Mingzhi Feng, Xingcai Lu
Ammonia (NH3) is considered one of the most promising carbon-free fuels for internal combustion engines. Adopting diesel-NH3 dual fuel combustion mode is the most convenient way to utilize NH3 fuel in compression ignition engines. Increasing the proportion of NH3 fuel is a key factor in effectively reducing carbon emissions. Therefore, in this paper, the combustion and emission characteristics of the
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Elucidation of the structural features of low-rank coals using two-dimensional gas chromatography/time-of-flight mass spectrometry (GC×GC/TOF-MS) J. Energy Inst. (IF 5.7) Pub Date : 2024-02-05 Hao Xu, Xiang Bai, Xing Fan, Ke Deng, Shi-Chao Yu, Wen-Long Mo, Xian-Yong Wei, Binoy K. Saikia
Thermal dissolution (TD) and ultrasonic-assisted extraction (UAE) were applied to the extraction of soluble components from Shengli lignite (SL) and Shenfu sub-bituminous coal (SS) using cyclohexane as the solvent. Comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry (GC × GC/TOF-MS) was used to analyze the complex molecular composition of soluble fractions. The powerful
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Experimental investigation of atomization characteristics at low temperature environments during diesel engine cold start J. Energy Inst. (IF 5.7) Pub Date : 2024-02-01 Xiao-ran Wang, Hong-meng Li, Guo-xiu Li, Yang Gao, Hao-bo Huo, Xiao-qin Zhang, Zhan-guang Wang, Hong-lin Bai
Exploring the atomization characteristics of fuel in low-temperature environments is crucial for improving the cold start performance of diesel engines. In this work, based on LIEF-PIV laser testing technology, a diesel engine cold start fuel atomization experimental system was built, which could simulate the internal environment of a diesel engine's cylinder during cold start. The concentration and
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CPFD numerical study on tri-combustion characteristics of coal, biomass and oil sludge in a circulating fluidized bed boiler J. Energy Inst. (IF 5.7) Pub Date : 2024-02-02 Xiaole Huang, Xiaoling Jin, Lingxiao Dong, Ruiyu Li, Kaixuan Yang, Yuhang Li, Lei Deng, Defu Che
To study the tri-combustion characteristics of coal, biomass, and oil sludge, the computational particle fluid dynamics (CPFD) method is employed to simulate the flow, heat transfer, and combustion processes in a 130 t h−1 circulating fluidized bed (CFB) boiler. The effects of blending ratio, secondary air inlet angle, and excess air coefficient are evaluated in detail. The results show that the mole
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Enhanced hydrogen production in steam methane reforming: Comparative analysis of industrial catalysts and process optimization J. Energy Inst. (IF 5.7) Pub Date : 2024-02-02 Sara Zolghadri, Mohammad Reza Kiani, Ramtin kamandi, Mohammad Reza Rahimpour
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Chemical kinetics analysis of ammonia/dimethyl ether combustion under water addition conditions J. Energy Inst. (IF 5.7) Pub Date : 2024-02-02 Naiqi Li, Wenjun Kong, Yueru Chen, Bin Zhang, Chunjie Sui
Ammonia has gained considerable interest as a high-energy-density, zero-carbon fuel with potential as a clean energy source for future applications. Nonetheless, its widespread industrial use is constrained by challenges associated with low flammability and elevated levels of NOx emissions. To address the low flammability issue, this study introduces dimethyl ether (DME), a fuel known for its high
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Migration behaviors of heavy metals during the co-pyrolysis of sludge and sawdust J. Energy Inst. (IF 5.7) Pub Date : 2024-02-01 Weihong Zhou, Xiangyu Li, Yifei Ding, Bin Bai
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The effect of changing EGR rate on engine performance under different ammonia/methanol ratios J. Energy Inst. (IF 5.7) Pub Date : 2024-01-29 Chuanlei Yang, Binbin Wang, Hechun Wang, Deng Hu, Baoyin Duan, Yinyan Wang
To improve the problem of high NOx emissions in ammonia/methanol engines, this article explores the impact of different EGR rates on engine performance under three different ammonia/methanol mixing ratios through simulation research. The research results indicate that when the proportion of methanol in ammonia fuel is small, the power and economy of the engine significantly decrease after increasing
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Co-gasification study of blends of municipal solid waste with sugarcane bagasse and rice husk using the Coats-Redfern method J. Energy Inst. (IF 5.7) Pub Date : 2024-01-26 Zeeshan Hameed, Zakir Khan, Shahzad Khurram, Abrar Inayat, Naila Amin, Muhammad Aslam, Ian Watson
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Effect of reaction conditions on the agglomeration of the oxygen carrier in biomass chemical looping gasification J. Energy Inst. (IF 5.7) Pub Date : 2024-01-24 Zhifeng Hu, Zhenwu Miao, Wanhui Yang, Canxin Zhang, Dean Song, Enchen Jiang
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Effects of ethanol addition on soot formation in co-flow Jet A diffusion flame J. Energy Inst. (IF 5.7) Pub Date : 2024-01-23 Xu He, Qi Xiang, Jingyang Jia, Panhong Wang, Jiaqi Yan, Yabei Xu, Dongping Chen
To investigate the characteristics of soot formation in blends of Jet A and ethanol, a coaxial laminar co-flow diffusion flame system was constructed. The Laser-Induced Fluorescence (LIF) and Laser-Induced Incandescence (LII) techniques were employed to assess the distributions of Polycyclic Aromatic Hydrocarbons (PAH) and Soot Volume Fraction (SVF) in Jet A with ethanol volume blending ratios ranging
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The present situation, challenges, and prospects of the application of ammonia–coal co-firing technology in power plant boilers J. Energy Inst. (IF 5.7) Pub Date : 2024-01-17 Qing Wang, Zhongyuan Hu, Wenbin Shao, Zhichao Wang, Hongpeng Liu, Xinshu Li, Da Cui
Co-firing of ammonia–coal can aid in achieving pollution control and carbon reduction, which is of great practical significance in supporting the realization of China's ‘dual carbon’ goals. This article reviews the research progress and prospects of ammonia–coal co-firing technology in the energy field. Ammonia–coal co-firing is a novel combustion technology that involves the combined burning of ammonia
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Development of a three-stage process for high coal desulfurization and char yield J. Energy Inst. (IF 5.7) Pub Date : 2024-01-20 Xinyu Lin, Liangliang Fu, Peng Lu, Qingjin Zhang, Guangwen Xu, Dingrong Bai
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A comprehensive review on advancement and challenges of renewable biofueled reactivity controlled compression ignition (RCCI) engine J. Energy Inst. (IF 5.7) Pub Date : 2024-01-20 M. Gowthama Krishnan, Sundararajan Rajkumar, Yuvarajan Devarajan, Asha Rajiv
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First principle investigation of nitric oxide reduction reaction for efficient ammonia synthesis over a Fe–Mo dual-atom electrocatalyst J. Energy Inst. (IF 5.7) Pub Date : 2024-01-20 Xiuxia Zhang, Lianxin Xia, Bofan Lang, Jie Yu, Xinming Liu, Riyi Lin, Xinwei Wang
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Molecular identification of nitrogen-containing aromatics for chemical separation from five fractions distilled from a high temperature coal tar J. Energy Inst. (IF 5.7) Pub Date : 2024-01-18 Zhi-Hao Ma, Xue-Qian Dong, Sheng Li, Guang-Hui Liu, Rui-Rui Xiao, Cai-Xia Ju, Li Li, Xian-Hou Guo, Zhi-Min Zong, Xing-Shun Cong, Xian-Yong Wei
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Experimental investigation of the effect of microwave power on the chemical looping gasification of aquatic plant water hyacinth J. Energy Inst. (IF 5.7) Pub Date : 2024-01-17 Fengxia An, Delu Chen, Zhaoping Zhong, Xiaojia Wang
In this study, the gaseous products and tar characteristics of chemical looping gasification of aquatic plant water hyacinth were investigated under different microwave powers. It was found that the total gas production, the proportion of (CO and H), and the cold gas efficiency increased from 0.54 Nm/kg, 49.73 %, 66.52 % to 0.68 Nm/kg, 67.76 %, and 78.66 %, respectively, as the microwave power increased
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Effect of metal-acid synergistic effect of modified HZSM-5 zeolites on the catalytic upgrading of gaseous tar to produce light aromatics J. Energy Inst. (IF 5.7) Pub Date : 2024-01-17 Xilong Li, Lunjing Yan, Xiaoyong Men, Meijun Wang, Jiao Kong, Peng Lv, Yonghui Bai, Liping Chang, Weiren Bao
This study focuses on the synergistic effect of metal and acid on the catalytic upgrading of gaseous tar from coal pyrolysis was studied by loading metals with HZSM-5 zeolites with different Si/Al ratios. The results show that the metal-loaded HZSM-5 zeolite can significantly promote the removal of phenolic hydroxyl and aromatization of aliphatic hydrocarbons, and obtain more BTEXN. In addition, HZSM-5
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Catalytic hydrodeoxygenation of a long flame coal and its model compounds over NiO–Mo2O3/ZSM-5 J. Energy Inst. (IF 5.7) Pub Date : 2024-01-17 Yang-Yang Xu, Xing Fan, Li Liu, Run-Song Wang, Jing Jiang, Hai-Xu Zou
Catalytic deoxygenation of coal is an important step to obtain high quality coal-derived liquid fuels. Bimetallic catalysts exhibit excellent hydrodeoxygenation performance, because their synergistic effects. In this work, NiO–Mo2O3/ZSM-5 was prepared by impregnation method, and applicated to catalytic hydrodeoxygenation of Wucaiwan long flame coal (WCW). The thermal dissolution (TD) and catalytic
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Thermal liquefaction of olive tree pruning waste into bio-oil in water and ethanol with NaOH catalyst J. Energy Inst. (IF 5.7) Pub Date : 2024-01-16 Bulutcem Öcal, Yaşar Kemal Recepoğlu, Aslı Yüksel