Article
Energy & Fuels
Aekjuthon Phounglamcheik, Markus Backebo, Ryan Robinson, Kentaro Umeki
Summary: This study investigates the influences of intraparticle and interparticle diffusions on the reaction rates of char gasification in a packed bed without forced convective flows. It was found that at the particle scale, gasification rate decreased with the increase of particle size when the reaction was controlled by intraparticle diffusion, while at the bed scale, void fraction and tortuosity of the packed bed were influential parameters on diffusivity of CO2 through the bed channels. The diffusion resistances at particle and bed scales are sensitive to different size fractions in the PSD.
Article
Energy & Fuels
Xiaoxiao Wang, Bimao Zhou, Shisen Xu, Gang Liu, Yibin Wang, Xiaohe Xiong, Houzhang Tan
Summary: A comprehensive char gasification model based on a random pore model with a correction factor eta is established in this study to depict the char conversion process for entrained-flow gasification. The model uses advanced correlations for char gasification process parameters, as well as a one-dimensional slag flow model coupled with a particle capture model to describe the deposition, flow and heat transfer process of the molten slag. The simulation results indicate that the comprehensive model has sufficient accuracy to model the multiphase reactions and slag flow characteristics of the gasifier. Additionally, the study investigates the effect of coal size on exit gas temperature, detailed char heterogeneous reactions, gasification performance and slag flow characteristics of the gasifier.
Article
Thermodynamics
Ziyi Wang, Zhiqiang Gong, Zhenbo Wang, Zhiwei Chu, Xiaoyu Li, Jinhui Wu
Summary: This study compared the gasification characteristics of two typical oily sludge in a CO2 atmosphere and found slight differences in their thermal conversion temperatures and gasification reaction difficulties. The gasification products primarily consisted of H-2 and CO, with their output being significantly influenced by temperature.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2022)
Article
Environmental Sciences
Jianguo Liu, Xuezheng Yu, Ying Wang, Yunping Han, Yingnan Cao, Zixuan Wang, Jinxin Lyu, Ziyu Zhou, Ying Yan, Tianlong Zheng
Summary: The release of bioaerosols from solid waste dumps in rural China poses a potential health risk to the local population. This study investigated the emission and dispersion characteristics of bioaerosols from rural solid waste-treatment facilities in northwest China. The concentrations and size distributions of airborne bioaerosols were measured, and the microbial composition was analyzed using high-throughput sequencing. The study found that bioaerosols near the solid waste contained high concentrations of bacteria and fungi, and winter-indicator species with potential pathogenicity were detected. Inhalation was identified as the main exposure route for local residents, particularly children. The results highlight the health risk posed by bioaerosols in rural solid waste dumps and the need for appropriate risk assessment criteria and control measures.
ENVIRONMENTAL POLLUTION
(2023)
Article
Energy & Fuels
Lei Deng, Xiaole Huang, Yuan Tie, Jiahao Jiang, Kai Zhang, Shihao Ma, Defu Che
Summary: A fixed-bed reactor was used to simulate CO2 gasification and examine the transformation of alkali and alkaline earth metals (AAEMs) in biomass. The study found that the release of AAEMs followed a specific sequence and the alkali metals mainly appeared as water-soluble inorganic salts. Higher temperatures led to the formation of compounds with other elements. Larger particle sizes were beneficial for the transformation of potassium from water-soluble to organic forms, particularly in candlenut wood.
JOURNAL OF THE ENERGY INSTITUTE
(2022)
Article
Chemistry, Multidisciplinary
Khairiah Mohd Mokhtar, Rafiziana Md Kasmani, Che Rosmani Che Hassan, Mahar Diana Hamid, Mohamad Iskandr Mohamad Nor, Mohd Usman Mohd Junaidi, Norazana Ibrahim
Summary: The study explored the explosion severity of aluminum and silver powder, showing that smaller particle sizes result in higher severity, and that silver powder exhibits lower severity compared to aluminum due to agglomeration effect. Agglomeration reduces specific surface area, impacting oxidation reactions of metal powder. Silver powder demonstrated sluggish oxidation compared to aluminum, as evidenced in thermogravimetric curves. X-ray photoelectron spectroscopy analysis showed silver powder producing Ag and Ag2O reactions, while aluminum powder only resulted in Al2O3 products.
Article
Environmental Sciences
Pengyu Li, Lin Li, Kaixiong Yang, Tianlong Zheng, Junxin Liu, Yanjie Wang
Summary: This study investigated the emission and diffusion characteristics of bioaerosols in rural waste and wastewater treatment facilities. It found that garbage stations and sewage treatment stations are potential sources of intestinal bacteria, and exposure risks are mainly through inhalation, with children having much higher risks than adults.
ENVIRONMENTAL RESEARCH
(2021)
Article
Energy & Fuels
Cui Wang, Hui Jin
Summary: Supercritical water gasification (SCWG) technology is considered a potential solution for biomass waste utilization. This study developed a one-dimensional dynamic model and established a kinetic model for soybean stem to analyze the reactor performance. The sensitivity analysis showed that H2 mole fraction was most affected by the inlet temperature. The dynamic simulation results demonstrated that the gasifier responds quickly to concentration changes.
Article
Geochemistry & Geophysics
Qing Guo, Yongtai Pan, Qiang Zhou, Chuan Zhang, Yankun Bi
Summary: Research on the movement characteristics and spatial distribution of particles during compression and crushing of rocks and ores is crucial for understanding the law of kinetic energy release. Experimental methods such as high-speed camera technology and color tracking were used to study the particles' behavior. Results showed differences in average velocities and kinetic energy contributions for particles of different sizes and types, as well as distinct spatial distribution patterns for coarse and fine particles.
Article
Chemistry, Physical
Mengbo Zhu, Geng Xie, Lang Liu, Pan Yang, Huisheng Qu, Caixin Zhang
Summary: This study systematically described the grinding kinetics of coal gasification slag (CGS) using different analytical techniques. The influence of grinding time and particle group on the strength activity index of mortar was analyzed, and the optimal grinding time and specific surface area were determined.
Article
Thermodynamics
Xu Zhao, Changsheng Bu, Xinye Wang, Jubing Zhang, Guilin Piao, Yong Jiang
Summary: Gasification reactivity of high-AFT coal increases with temperature, and the RPM model fits experimental results better. To minimize ash fusion and coal ash agglomeration during non-slagging gasification of Huainan coal, a temperature of 1200 degrees C is recommended.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2022)
Article
Energy & Fuels
Deming Zhang, Libo Lu, Yifei Ren, Hui Jin, Wenwen Wei, Zening Cheng, Liejin Guo
Summary: This study investigated the impact of NaAlO2 on K2CO3-catalyzed coal gasification and found that the addition of NaAlO2 can inhibit ash agglomeration, reduce the volatility of alkali metals, and improve carbon gasification efficiency.
Article
Thermodynamics
Bo Zhang, Meiqin Cui, Kaiwei Sun, Peng Fu, Ping Geng, Yan Zhang, Weiming Yi
Summary: In this paper, isothermal gasification experiments were conducted on coal and biomass to study the intrinsic reaction. The results verified the features of the intrinsic reaction and provided insights into external diffusion and bed diffusion. The study offers a simple method for judging and identifying intrinsic reactions, which is beneficial for understanding coal and biomass gasification kinetics.
THERMOCHIMICA ACTA
(2023)
Article
Energy & Fuels
Chenchen Lan, Ran Liu, Shuhui Zhang, Qing Lyu, Yanjia Gao, Guangshi Yan
Summary: The positive catalytic effect of CaO on the gasification reaction of carbon and CO2 was investigated. It was found that CaO can decrease the start temperature, end temperature, and the temperature with the maximum reaction rate of carbon-CO2 gasification. The addition of CaO also reduces the activation energy of the reaction, making it easier to occur. Furthermore, CaO modifies the structure and electrical properties of the carbon matrix, leading to increased reaction activity.
Article
Energy & Fuels
Yang Guo, Chaofan Ma, Yixin Zhang, Lu Zhou, Zhenkun Guo, Zekai Miao, Xu Zhao, Jianjun Wu, Fanhui Guo
Summary: This study investigated the physicochemical properties, combustion reactivity, and heavy metal environmental impact of coal gasification fine slag (CGFS) with different particle size fractions. The results showed that the CGFS fractions had different carbon particle content and pore roughness. The combustion reaction mechanism varied among CGFS fractions. Furthermore, heavy metal residual fractions were negatively correlated with combustion volatility.
Article
Physics, Applied
Chuanqiang Gao, Zhihe Long, Tianyan Zhong, Shan Liang, Lili Xing
Summary: This study presents a self-powered intelligent glove based on piezoelectric motion sensor arrays for real-time gesture recognition. The system can be comfortably worn on the hand and wirelessly transmit gesture signals to smartphones for recognition and translation. This research contributes to the development of human-machine interaction systems.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2022)
Article
Environmental Sciences
Shuai Xu, Shilin Liu, Jingchun Sun, Libin Zhang, Chenggang Lin, Lina Sun, Lili Xing, Chunxi Jiang, Hongsheng Yang
Summary: By studying the cryopreservation of Apostichopus japonicus sperm, this research proposes an optimal procedure that enables large-scale cryopreservation. The results of this study provide valuable information for research and conservation of A. japonicus.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Nanoscience & Nanotechnology
Lihong Hu, Tianyan Zhong, Zhihe Long, Shan Liang, Lili Xing, Xinyu Xue
Summary: An innovative self-powered sound-driven humidity sensor for wearable intelligent dehydration monitoring system has been proposed. The sensor utilizes the piezoelectric/triboelectric effect of ZnO nanoarrays/PTFE membrane to sense humidity. The device can convert sound energy into electrical output without any external power supply and actively monitor the humidity of exhaled breath.
Article
Instruments & Instrumentation
Yifeng Peng, Zhihe Long, Shan Liang, Tianyan Zhong, Meihua Chen, Lili Xing, Xinyu Xue
Summary: A potential intelligent multifunctional diaper with flexible sensors and data processing/transmitting units can monitor baby's urination, detect physiological parameters, and transmit information to parents' mobile terminal.
SMART MATERIALS AND STRUCTURES
(2023)
Article
Chemistry, Physical
Hongye Guan, Pingjin Zou, Rui Lin, Ling Xiao, Zengyi Fang, Junyang Chen, Tao Lin, Yuan Wang, Yifeng Peng, Tianyan Zhong, Biqin Zhang, Jinyi Lang, Yan Zhang, Lili Xing, Meihua Chen, Xinyu Xue
Summary: Researchers have developed a new implantable self-powered therapeutic pellet that provides wireless hybrid therapy for cancer treatment. The pellet utilizes ultrasound energy to power a light-emitting diode illuminant and control circuit, delivering therapeutic doses of light to tissues for photodynamic therapy alongside direct sonodynamic therapy. In vivo studies on mice have demonstrated its high efficiency in treating breast cancer, surpassing the individual effectiveness of either PDT or SDT. This research not only has significant implications for cancer treatment but also highlights the critical interplay between current clinical therapies and future precision therapies.
Article
Chemistry, Physical
Hongye Guan, Yong Tang, Zhihe Long, Rui Lin, Shan Liang, Fuqiang Zhu, Tianyan Zhong, Yaming Zhang, Yaowei Fan, Zhen Wang, Chuang Shi, Wanli Ma, Sheng Sun, Meihua Chen, Lili Xing, Yan Zhang, Xinyu Xue, Yang Zhan
Summary: Neural regulation that is remotely controlled by medical professionals or AI agents can provide rapid, precise, and personalized intervention while optimizing the allocation of medical resources. Researchers have developed a self-powered wireless brain probe that can be controlled by cellphone audio tones and AI video analysis. The probe consists of a biocompatible pedestal with stimulation electrodes, magnets, and a signal-intensifying resonator with a piezoelectric powered modulation circuit. It can be wirelessly powered and controlled by programmed audio tones transmitted from other cellphones. Combined with AI-enabled video monitoring, the probe has shown therapeutic effects in relieving seizure events in epileptic mice.
Article
Biology
Lili Xing, Shilin Liu, Libin Zhang, Hongsheng Yang, Lina Sun
Summary: The MITF gene in the sea cucumber Apostichopus japonicus regulates body color differentiation through expression differences and regulation of downstream genes. These findings provide a foundation for understanding the mechanisms underlying body color formation and gene regulation in sea cucumbers, and support sea cucumber breeding and industry development.
Article
Thermodynamics
Jinglan Wang, Dandan Xu, Xuezhi Gao, Qiang Xu, Zhandong Wang, Jiuzhong Yang, Lili Xing, Junyu Tao, Beibei Yan, Guanyi Chen, Zhanjun Cheng
Summary: This study investigates the oxidation characteristics of N-methyl pyrrole (NMP) through experiments and kinetic modeling. The experiments were conducted at various temperatures and equivalence ratios, and the species formed during NMP oxidation were measured using synchrotron vacuum ultraviolet photoionization mass spectrometry (SVUV-PIMS). A comprehensive kinetic model, based on previous models, was developed and successfully reproduced the experimental results. The study reveals the dominant role of hydrogen abstraction reactions on the methyl group and the formation of nitrogen-containing compounds such as pyridine and pyrrole during NMP oxidation.
COMBUSTION AND FLAME
(2023)
Article
Thermodynamics
Lili Xing, Yunrui He, Jinglan Wang, Liuchao Lian, Zhanjun Cheng, Xuetao Wang, Mengjie Liu
Summary: For the first time, the rate constants for H-initiated reactions of 2-furfuryl alcohol (2FFOH) were calculated using a high-level quantum chemical method combined with the Rice-Ramsperger-Kassel-Marcus (RRKM) theory/Master equation method. The study revealed the major product channels and the site-specific rate constants for each reaction channel. The updated kinetic model based on these new calculations showed improved predictions of 2FFOH decomposition and speciation profiles during 2FFOH pyrolysis.
COMBUSTION AND FLAME
(2023)
Article
Energy & Fuels
Lili Xing, Jintao Cui, Liuchao Lian, Jinglan Wang, Huanhuan Wang, Yunrui He, Shaowei Wang, Xuetao Wang, Liyou Xu, Zhanjun Cheng
Summary: In this study, the reactions between 2-furfuryl alcohol (2FFOH) and OH radical were investigated by quantum chemical calculations. The energy diagram and rate coefficients of the reactions were calculated at different temperatures and pressures. The results showed that H-abstraction from the side chain of 2FFOH occurred faster than from the ring below 2300 K. Additionally, there was a slightly positive pressure dependence of the total rate coefficients in the temperature range of 500-1000 K. The findings of this study could contribute to the understanding of the chemical reaction mechanism of furan-based fuels in the atmosphere and combustion.
Article
Engineering, Civil
Shengjiang Sun, Lili Xing, Peng Gui, Bo Li, Hangyu Li, Lei Zhao, Kuihua Mei
Summary: Steel-basalt fiber composite bars (SBFCBs) possess excellent properties such as strength, modulus, toughness, corrosion resistance, and cost-effectiveness. This study experimentally assessed the bond-slip performance of SBFCBs in concrete through pullout and beam bond tests. The various factors influencing bond performance were analyzed, and the bond mechanism between SBFCBs and concrete was discussed.
JOURNAL OF COMPOSITES FOR CONSTRUCTION
(2023)
Article
Chemistry, Physical
Rui Lin, Yaowei Fan, Yan Xie, Dengyun Ge, Shan Liang, Hongye Guan, Meihua Chen, Yan Zhang, Lili Xing, Xinyu Xue, Yang Zhan
Summary: A new self-powered wearable body-detecting/brain-stimulating system has been developed for monitoring and restraining epilepsy. The system can monitor body motion in real time, transmit stimulus signals to the brain, and significantly reduce the duration of epileptic seizures.
Article
Environmental Sciences
Fang Su, Shilin Liu, Lili Xing, Da Huo, Hongsheng Yang, Lina Sun
Summary: In this study, RNA sequencing was performed on six key stages of Apostichopus japonicus development, and a total of 32,353 genes were identified. WGCNA analysis revealed that genes in the blue, yellow, and darkslateblue modules were highly correlated with the gastrula, auricularia, and blastula stages, respectively. Further analysis showed that these genes were mainly associated with signal transduction, cellular immunity, and extracellular matrix functions. The results of this study provide a comprehensive understanding of the molecular characteristics of sea cucumber embryonic development and theoretical guidance for larva rearing in sea cucumber culture.
FRONTIERS IN MARINE SCIENCE
(2023)
Review
Chemistry, Multidisciplinary
Jungang Tang, Xuetao Wang, Haojie Li, Lili Xing, Mengjie Liu
Summary: The treatment of NOx has become an urgent issue due to its difficulty in degradation in air and its negative impact on public health. Among various technologies, selective catalytic reduction (SCR) using ammonia as the reducing agent is considered as the most effective and promising technique. However, the development of high-efficiency catalysts for SCR is severely limited due to the poisoning and deactivation effect by SO2 and H2O vapor. This review summarizes the recent advances in enhancing the catalytic activity and stability of manganese-based catalysts in low-temperature NH3-SCR, as well as discussing the challenges and potential solutions for designing a catalytic system with high resistance to SO2 and H2O.
Article
Fisheries
Lili Xing, Lingyu Wang, Femke Roos, Michelle Lee, Gregory A. Wray
Summary: Sea urchins are important mariculture species and model organisms in developmental biology. Cis-regulatory elements control development and physiology by regulating gene expression. Mutations affecting these sequences contribute to phenotypic diversity. Cis-regulatory targets offer new breeding potential for the future.
Article
Energy & Fuels
Yingna Du, Chen Huang, Wei Jiang, Qiangwei Yan, Yongfei Li, Gang Chen
Summary: In this study, anionic surfactants modified hydrotalcite was used as a flow improver for crude oil under low-temperature conditions. The modified hydrotalcite showed a significant viscosity reduction effect on crude oil. The mechanism of the modified hydrotalcite on viscosity and pour point of crude oil was explored through characterization and analysis of the modified hydrotalcite and oil samples.
Article
Energy & Fuels
Mohammad Saeid Rostami, Mohammad Mehdi Khodaei
Summary: In this study, a hybrid structure, MIL-53(Al)@MWCNT, was synthesized by combining MIL-53(Al) particles and -COOH functionalized multi-walled carbon nanotube (MWCNT). The hybrid structure was then embedded in a polyethersulfone (PES) polymer matrix to prepare a mixed matrix membrane (MMM) for CO2/CH4 and CO2/N2 separation. The addition of MWCNTs prevented MIL-53(Al) aggregation, improved membrane mechanical properties, and enhanced gas separation efficiency.
Article
Energy & Fuels
Yunlong Li, Desheng Huang, Xiaomeng Dong, Daoyong Yang
Summary: This study develops theoretical and experimental techniques to determine the phase behavior and physical properties of DME/flue gas/water/heavy oil systems. Eight constant composition expansion (CCE) tests are conducted to obtain new experimental data. A thermodynamic model is used to accurately predict saturation pressure and swelling factors, as well as the phase boundaries of N2/heavy oil systems and DME/CO2/heavy oil systems, with high accuracy.
Article
Energy & Fuels
Morteza Afkhamipour, Ebad Seifi, Arash Esmaeili, Mohammad Shamsi, Tohid N. Borhani
Summary: Non-conventional amines are being researched worldwide to overcome the limitations of traditional amines like MEA and MDEA. Adequate process and thermodynamic models are crucial for understanding the applicability and performance of these amines in CO2 absorption, but studies on process modeling for these amines are limited. This study used rate-based modeling and Deshmukh-Mather method to model CO2 absorption by DETA solution in a packed column, validated the model with experimental data, and conducted a sensitivity analysis of mass transfer correlations. The study also compared the CO2 absorption efficiency of DETA solution with an ionic solvent [bmim]-[PF6] and highlighted the importance of finding optimum operational parameters for maximum absorption efficiency.
Article
Energy & Fuels
Arastoo Abdi, Mohamad Awarke, M. Reza Malayeri, Masoud Riazi
Summary: The utilization of smart water in EOR operations has gained attention, but more research is needed to understand the complex mechanisms involved. This study investigated the interfacial tension between smart water and crude oil, considering factors such as salt, pH, asphaltene type, and aged smart water. The results revealed that the hydration of ions in smart water plays a key role in its efficacy, with acidic and basic asphaltene acting as intrinsic surfactants. The pH also influenced the interfacial tension, and the aged smart water's interaction with crude oil depended on asphaltene type, salt, and salinity.
Article
Energy & Fuels
Dongao Zhu, Kun Zhu, Lixian Xu, Haiyan Huang, Jing He, Wenshuai Zhu, Huaming Li, Wei Jiang
Summary: In this study, cobalt-based metal-organic frameworks (Co-based MOFs) were used as supports and co-catalysts to confine the NHPI catalyst, solving the leaching issue. The NHPI@Co-MOF with carboxyl groups exhibited stronger acidity and facilitated the generation of active oxygen radicals O2•, resulting in enhanced catalytic activity. This research provides valuable insights into the selection of suitable organic linkers and broadens the research horizon of MOF hybrids in efficient oxidative desulfurization (ODS) applications.
Article
Energy & Fuels
Edwin G. Hoyos, Gloria Amo-Duodu, U. Gulsum Kiral, Laura Vargas-Estrada, Raquel Lebrero, Rail Munoz
Summary: This study investigated the impact of carbon-coated zero-valent nanoparticle concentration on photosynthetic biogas upgrading. The addition of nanoparticles significantly increased microalgae productivity and enhanced nitrogen and phosphorus assimilation. The presence of nanoparticles also improved the quality of biomethane produced.
Article
Energy & Fuels
Yao Xiao, Asma Leghari, Linfeng Liu, Fangchao Yu, Ming Gao, Lu Ding, Yu Yang, Xueli Chen, Xiaoyu Yan, Fuchen Wang
Summary: Iron is added as a flocculant in wastewater treatment and the hydrothermal carbonization (HTC) of sludge produces wastewater containing Fe. This study investigates the effect of aqueous phase (AP) recycling on hydrochar properties, iron evolution and environmental assessment during HTC of sludge. The results show that AP recycling process improves the dewatering performance of hydrochar and facilitates the recovery of Fe from the liquid phase.
Article
Energy & Fuels
He Liang, Tao Wang, Zhenmin Luo, Jianliang Yu, Weizhai Yi, Fangming Cheng, Jingyu Zhao, Xingqing Yan, Jun Deng, Jihao Shi
Summary: This study investigated the influence of inhibitors (carbon dioxide, nitrogen, and heptafluoropropane) on the lower flammability limit of hydrogen and determined the critical inhibitory concentration needed for complete suppression. The impact of inhibitors on explosive characteristics was evaluated, and the inhibitory mechanism was analyzed with chemical kinetics. The results showed that with the increase of inhibitor quantity, the lower flammability limit of hydrogen also increased. The research findings can contribute to the safe utilization of hydrogen energy.
Article
Energy & Fuels
Zonghui Liu, Zhongze Zhang, Yali Zhou, Ziling Wang, Mingyang Du, Zhe Wen, Bing Yan, Qingxiang Ma, Na Liu, Bing Xue
Summary: In this study, high-performance solid catalysts based on phosphotungstic acid (HPW) supported on Zr-SBA-15 were synthesized and evaluated for the one-pot conversion of furfural (FUR) to γ-valerolactone (GVL). The catalysts were characterized using various techniques, and the ratio of HPW and Zr was found to significantly affect the selectivity of GVL. The HPW/Zr-SBA-15 (2-4-15) catalyst exhibited the highest GVL yield (83%) under optimized reaction conditions, and it was determined that a balance between Bronsted acid sites (BAS) and Lewis acid sites (LAS) was crucial for achieving higher catalytic performance. The reaction parameters and catalyst stability were also investigated.
Article
Energy & Fuels
Michael Stoehr, Stephan Ruoff, Bastian Rauch, Wolfgang Meier, Patrick Le Clercq
Summary: As part of the global energy transition, an experimental study was conducted to understand the effects of different fuel properties on droplet vaporization for various conventional and alternative fuels. The study utilized a flow channel to measure the evolution of droplet diameters over time and distance. The results revealed the temperature-dependent effects of physical properties, such as boiling point, liquid density, and enthalpy of vaporization, and showed the complex interactions of preferential vaporization and temperature-dependent influences of physical properties for multi-component fuels.
Article
Energy & Fuels
Yuan Zhuang, Ruikang Wu, Xinyan Wang, Rui Zhai, Changyong Gao
Summary: Through experimental validation and optimization of the chemical kinetic model, it was found that methanol can accelerate the oxidation reaction of ammonia, and methanol can be rapidly oxidized at high concentration. HO2 was found to generate a significant amount of OH radicals, facilitating the oxidation of methanol and ammonia. Rating: 7.5/10.
Article
Energy & Fuels
Radwan M. EL-Zohairy, Ahmed S. Attia, A. S. Huzayyin, Ahmed I. EL-Seesy
Summary: This paper presents a lab-scale experimental study on the impact of diethyl ether (DEE) as an additive to waste cooking oil biodiesel with Jet A-1 on combustion and emission features of a swirl-stabilized premixed flame. The addition of DEE to biodiesel significantly affects the flame temperature distribution and emissions. The W20D20 blend of DEE, biodiesel, and Jet A-1 shows similar flame temperature distribution to Jet A-1 and significantly reduces UHC, CO, and NOx emissions compared to Jet A-1.
Article
Energy & Fuels
Jiang Bian, Ziyuan Zhao, Yang Liu, Ran Cheng, Xuerui Zang, Xuewen Cao
Summary: This study presents a novel method for ammonia separation using supersonic flow and develops a mathematical model to investigate the condensation phenomenon. The results demonstrate that the L-P nucleation model accurately characterizes the nucleation process of ammonia at low temperatures. Numerical simulations also show that increasing pressure and concentration can enhance ammonia condensation efficiency.
Article
Energy & Fuels
Shiyuan Pan, Xiaodan Shi, Beibei Dong, Jan Skvaril, Haoran Zhang, Yongtu Liang, Hailong Li
Summary: Integrating CO2 capture with biomass-fired combined heat and power (bio-CHP) plants is a promising method for achieving negative emissions. This study develops a reliable data-driven model based on the Transformer architecture to predict the flowrate and CO2 concentration of flue gas in real time. The model validation shows high prediction accuracy, and the potential impact of meteorological parameters on model accuracy is assessed. The results demonstrate that the Transformer model outperforms other models and using near-infrared spectral data as input features improves the prediction accuracy.