Article
Thermodynamics
Taewoo Lee, Sungyup Jung, Ki-Hyun Kim, Eilhann E. Kwon
Summary: The utilization of CO2 as a raw feedstock during catalytic pyrolysis of pine bark led to an acceleration of gas-phase reactions and suppressed coke formation. The synergistic effect of CO2 and Ni/SiO2 in catalytic pyrolysis was found to be an advanced technical option for production of syngas under favorable conditions.
Article
Chemistry, Applied
Jiaomei Liu, Xiangfei Xue, Liu Wu, Jie Liang
Summary: Catalytic fast pyrolysis (CFP) using zeolite catalysts is a promising method for converting biomass into renewable bio-oils. In this study, the effects of zeolite morphologies, acidity, metal modification, and metal loadings on bio-oil production were investigated. Nanosized ZSM-5 with a higher Si/Al ratio improved bio-oil yield, while metal modification had a greater impact on hydrocarbon selectivity. The nanosized 2NiOx/ZSM-5 with a Si/Al ratio of 50 and a NiOx loading of 2 wt% showed the highest bio-oil yield and satisfactory hydrocarbon selectivity. A pyrolysis mechanism for neem sawdust over ZSM-5 with varied parameters was proposed to guide future zeolite catalyst design.
FUEL PROCESSING TECHNOLOGY
(2023)
Article
Agricultural Engineering
Jung-Hun Kim, Sungyup Jung, Kun-Yi Andrew Lin, Jorg Rinklebe, Eilhann E. Kwon
Summary: The study found that CO2 can enhance the production of syngas during biomass pyrolysis through gas phase reactions, especially for lignin-rich biomass. The use of Co and Ni catalysts significantly increased the formation of syngas.
BIORESOURCE TECHNOLOGY
(2021)
Article
Agricultural Engineering
Le Kim Hoang Pham, Suwadee Kongparakul, Mingyue Ding, Guoqing Guan, Narong Chanlek, Prasert Reubroycharoen, Dai-Viet N. Vo, Nguyen Van Cuong, Chanatip Samart
Summary: Catalytic pyrolysis is a cost-effective technology for producing high-quality biofuels. The development of catalysts plays a crucial role in controlling the reaction pathways and producing specific products. In this study, palm kernel shells were pyrolyzed with a melamine-doped activated-carbon-supported Ni2P catalyst. The catalyst showed great potential for the selective production of phenolic compounds.
BIOMASS & BIOENERGY
(2023)
Article
Chemistry, Analytical
Shasha Liu, Gang Wu, Lei Zhang, Yong Huang, Jianbin Zhou, Shu Zhang
Summary: Catalytic pyrolysis of pine sawdust was utilized to produce valuable alkylphenol compounds by introducing surface active groups, such as metal iron species and oxygen-containing groups, to strengthen the biochar-based catalyst. The presence of these active sites promoted the conversion of pyrolytic intermediates into phenolic compounds during catalytic pyrolysis. The deactivated catalyst could be easily regenerated and showed a good selectivity for phenol production.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2023)
Article
Agricultural Engineering
R. Jennita Jacqueline, V. Shenbaga Muthuraman, C. Karthick, Abed Alaswad, G. Velvizhi, K. Nanthagopal
Summary: In this study, microwave pre-treatment and catalytic aided co-pyrolysis techniques were used to produce sustainable biofuels from three different biowastes. The biofuels showed high yield rates and energy densities, making them suitable for automotive applications.
BIORESOURCE TECHNOLOGY
(2022)
Review
Chemistry, Applied
Joy Esohe Omoriyekomwan, Arash Tahmasebi, Jinxiao Dou, Rou Wang, Jianglong Yu
Summary: The latest advancements in synthesizing carbon nanotubes and nanofibers via microwave-assisted pyrolysis show promising prospects for large-scale production of carbon nanomaterials, fine chemicals, and fuel gases through selected biomass feedstock and controlled reaction parameters.
FUEL PROCESSING TECHNOLOGY
(2021)
Article
Agricultural Engineering
Diakaridia Sangare, Stephane Bostyn, Mario Moscosa Santillan, Pedro Garcia-Alamilla, Veronica Belandria, Iskender Gokalp
Summary: This study analyzed the pyrolytic behavior of four lignocellulosic biomasses and found that activation energy versus enthalpy change was<6.5 kJ/mol for all biomasses, indicating the ease of pyrolysis reaction. Avocado stone and Agave salmiana bagasse were close to thermodynamic equilibrium and stability, while cocoa shell and a-cellulose showed high reactivity.
BIORESOURCE TECHNOLOGY
(2022)
Article
Engineering, Environmental
Xiaona Lin, Xiaoyun Chen, Peng Fu, Binbin Tang, Dongmei Bi
Summary: Nitrogen-doped activated carbon catalysts prepared by the cocarbonization of coconut shell and urea showed excellent catalytic activity for the co-pyrolysis of corn stover and high-density polyethylene, resulting in the production of high-calorific value syngas and valuable monocyclic aromatics.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Materials Science, Multidisciplinary
Geon Hae Lim, Jae-Won Lee, Jun-Ho Choi, Yun Chan Kang, Kwang Chul Roh
Summary: Lignin, a key structural material in plant support tissues, is currently only commercially utilized at a rate of 2%, with the remainder being burned as fuel. This study investigated the conversion of larch and lignin into activated carbon samples for supercapacitors. The lignin-derived activated carbon samples exhibited high gravimetric specific capacitance, good cycling stability, and eco-friendly properties.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Review
Environmental Sciences
Yi Wang, Abdolhamid Akbarzadeh, Li Chong, Jinyu Du, Nadeem Tahir, Mukesh Kumar Awasthi
Summary: This review summarizes recent findings on bio-oil production through catalytic pyrolysis using lignocellulosic biomass as feedstock. It explores and summarizes lignocellulosic biomass, structural components, and fundamentals of biomass catalytic pyrolysis. The current status of bio-oil yield and quality from catalytic fast pyrolysis is reviewed, and the potential effects of pyrolysis process parameters on bio-oil production are discussed. Techno-economic analysis and future prospects of catalytic pyrolysis for bio-oil production are also presented in this review.
Article
Green & Sustainable Science & Technology
Xiaona Lin, Hanwu Lei, Chenxi Wang, Moriko Qian, Wendy Mateo, Xiaoyun Chen, Yadong Guo, Erguang Huo
Summary: The catalytic co-pyrolysis of Douglas fir and low-density polyethylene over different activated carbons was investigated. The H3PO4 activated AC catalyst showed the highest liquid yield and selectivity towards mono-aromatics. In contrast, steam activated AC catalysts had a negative effect on hydrogen production.
Article
Green & Sustainable Science & Technology
Shasha Liu, Gang Wu, Yi Gao, Bin Li, Yu Feng, Jianbin Zhou, Xun Hu, Yong Huang, Shu Zhang, Hong Zhang
Summary: The study showed that catalytic reaction with activated char could increase the relative content of phenolic substances in bio-oil and create more active sites. At higher temperatures, the content of aromatic hydrocarbons in bio-oil increased while oxygen-containing compounds (such as ketones, acids, aldehydes) decreased.
Article
Energy & Fuels
Jong-Min Jung, Dongho Choi, Sungyup Jung, Kun-Yi Andrew Lin, Yiu Fai Tsang, Eilhann E. Kwon
Summary: This study found that pyrolysis of cattle manure with the assistance of CO2 can produce more CO, and temperature is the key parameter to activate the functionality of CO2. CO2 and cattle manure may be promising reactants for producing value-added syngas.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Energy & Fuels
Andreas Eschenbacher, Trond Myrstad, Niels Bech, Hang Dao Thi, Milos Auersvald, Kevin M. Van Geem, Anker D. Jensen
Summary: This study investigated the blending of two bio-oils obtained from different catalytic treatments of wheat-straw pyrolysis vapors with atmospheric residue, showing the impact of varying levels of basic nitrogen and aromatics on FCC performance. Refinery operators interested in co-processing fossil oils and biomass-derived pyrolysis oils with elevated content of nitrogen and aromatics can benefit from the important information provided in this study.
Article
Computer Science, Artificial Intelligence
Lingbo Liu, Zewei Yang, Guanbin Li, Kuo Wang, Tianshui Chen, Liang Lin
Summary: This paper discusses an important task in land remote-sensing analysis, which is the automatic extraction of traffic roads from remote-sensing data. To address this problem, the authors introduce a novel neural network framework that utilizes the complementary information from different data sources to enhance the accuracy and robustness of road extraction.
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS
(2023)
Article
Agronomy
Guoqiang Wang, Yaoming Li
Summary: This study combined artificial intelligence technology and a template matching algorithm to construct a rice and wheat lodging detection system, which has the characteristics of high degree of automation and strong accuracy. The experimental verification results showed that the system played an effective role in the detection of rice and wheat lodging.
Correction
Obstetrics & Gynecology
Sadaf Pervaz, Amin Ullah, Enoch Appiah Adu-Gyamfi, Jones Lamptey, Sanjay Kumar Sah, Mei-Jiao Wang, Ying-Xiong Wang
REPRODUCTIVE SCIENCES
(2023)
Article
Obstetrics & Gynecology
Sadaf Pervaz, Amin Ullah, Enoch-Appiah Adu Gyamfi, Jones Lamptey, Sanjay Kumar Sah, Mei-Jiao Wang, Ying-Xiong Wang
Summary: CPXM1 plays an important role in the pathophysiology of polycystic ovary syndrome (PCOS), and its abnormally high expression is associated with increased serum testosterone and insulin levels. CPXM1 levels are significantly increased in the ovaries and adipose tissues of PCOS mice, while GLUT4 levels are decreased. Additionally, the protein expression of phosphorylated protein kinase B (p-Akt) is decreased, and mRNA levels of inflammatory markers are increased in PCOS mice.
REPRODUCTIVE SCIENCES
(2023)
Article
Physics, Condensed Matter
Mavlanjan Rahman, Jiuyang He, Adili Tuerxun
Summary: First-principles calculations in the DFT framework were used to study the electronic structure and magnetic properties of NaxSr1-xFeO2, revealing the transitions of spin and magnetic states induced by sodium doping.
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
(2023)
Review
Biochemistry & Molecular Biology
MingJian Li, BoWen Liu, Rong Li, Ping Yang, Ping Leng, Yong Huang
Summary: Growing evidence suggests a strong link between gut microorganisms and metabolic health and disease risk in human beings. Further research should focus on cause-and-effect studies, particularly on the abnormalities in purinergic signaling and their relationship with various diseases. The relationship between gut-derived purinergic signaling molecules and host metabolism may provide important clues to understanding how the microbiota influences host metabolism.
PURINERGIC SIGNALLING
(2023)
Article
Energy & Fuels
Xiaoqing Zhong, Weifeng Zhong, Yi Liu, Chao Yang, Shengli Xie
Summary: In this paper, the interactions between energy hubs under a hybrid topology are studied, and a communication-efficient coalition graph game-based framework is proposed for cost reduction and fair profit distribution. Simulation results show significant improvements in total payment, carbon emissions, and communication cost for energy hubs.
Article
Chemistry, Physical
Tao Jiang, Zhide Wang, Zhentao Luo, Jinghua He, Congcong Hu, Xueyu Xiang, Yufang Cao, Gang Fang, Kangsen Peng, Chuyang Liu
Summary: The study proposes the core-shell structured Ag@Fe3O4 composites for effective microwave absorption in a multi-band electromagnetic environment. By adjusting the core radius and shell thickness, a broad absorption bandwidth can be achieved. The composites have potential for practical applications.
APPLIED SURFACE SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
Keqin Feng, Hongling Zhou, Yaohong Xiao, Yanfang Liu
Summary: This study investigated the effects of electric current on the densification, microstructure, and properties of W-Mo-Cu alloy fabricated by large current electric field sintering (LCS). The results showed that increasing the electric current improved the sinterability and densification of the W-Mo-Cu alloy, and optimized its microstructure and properties. The electric current also had a significant effect on the phase transformation of the alloy.
Article
Physics, Applied
Licheng Dong, Chunmei Liu, Zhe Shen, Bangfei Zhou, Tianxiang Zheng, Qiang Li, Yunbo Zhong
Summary: Zn0.95Mn0.05O nanorods were synthesized via hydrothermal process and then treated with different annealing temperatures in a vacuum atmosphere. The annealing temperatures had significant effects on the microstructure, relative concentration of oxygen vacancy (V-O), and magnetic properties of the nanorods. Increasing the annealing temperature resulted in increased length and width of the nanorods, decreased aspect ratio, homogeneous distribution of Mn ions in the wurtzite ZnO lattice, and increased production of V-O. The annealing temperature also improved the magnetism of the nanorods.
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
(2023)
Article
Chemistry, Analytical
Jinmei Tian, Bin Jiang, Hong Shao, Yuting Wang, Tianqi Wang, Feng Li, Dan Li, Ying Yang, Xiangting Dong
Summary: In this study, one-dimensional tandem heterojunctions of SnO2 @POMs@WO3 nanofibers were prepared using coaxial electrospinning, and the gas sensing performance was significantly improved compared to SnO2 @WO3 nanofibers. The optimized response to 100 ppm ethanol reached 8.8, providing a new strategy for developing high-performance gas sensors through synthesizing one-dimensional tandem heterojunctions and introducing POMs.
SENSORS AND ACTUATORS B-CHEMICAL
(2023)
Article
Physics, Applied
Huiquan Li, Wanting Hou, Zhiyuan Ye, Tianyu Yuan, Shangkun Shao, Jun Xiong, Tianxi Sun, Xuepeng Sun
Summary: Ghost imaging is a technique that uses a single-pixel detector and structured illumination for compressive and lens-free image formation. The resolution in most x-ray ghost imaging schemes is limited by the unit size of structured illumination. To overcome this limitation, we introduced polycapillary optics into x-ray ghost imaging, which improved the resolution by approximately 3 times.
APPLIED PHYSICS LETTERS
(2023)
Review
Biotechnology & Applied Microbiology
Zhengqun Li, Yuting Deng, Guang-Yu Yang
Summary: Directed enzyme evolution has revolutionized the development of enzymes with desired properties. Growth-coupled in vivo high-throughput selection methods have emerged as a powerful tool for the rapid identification of desired enzyme variants. These methods link the survival of host cells with the properties of target proteins, allowing for a scalable and easily measurable screening system. Recent developments in growth-coupled selection approaches have demonstrated success in catalyzing non-native substrates, enhancing catalytic activity, and acquiring novel functions.
BIOTECHNOLOGY ADVANCES
(2023)
Article
Radiology, Nuclear Medicine & Medical Imaging
Yujia Yang, Xinyi Tang, Lin Zhong, Lingyan Zhang, Yuanjiao Tang, Yuting Wang, Xiaoyan Lv, Li Qiu
Summary: This study aimed to compare the value of high-frequency ultrasound (HFUS) and shear wave elastography (SWE) in distinguishing different subtypes of systemic sclerosis (SSc), and to verify the influence of clinical features on both methods. The results showed that SWE was less affected by clinical features and had a greater ability to discriminate between different levels of skin stiffness compared to HFUS. Therefore, SWE has the potential to become a primary imaging assessment tool.
QUANTITATIVE IMAGING IN MEDICINE AND SURGERY
(2023)
Proceedings Paper
Computer Science, Information Systems
Jiaji Li, Mingming Li, Junzhe Ji, Deying Pan, Yitao Fan, Kuangqi Zhu
Summary: In this paper, an integrated fabrication method for one-step FDM 3D printing kinematic mechanisms is proposed to create dynamic objects without additional post-processing. The method addresses the challenges of complex spatial structures, assembly processes, and unstable joint connections, and provides a design tool for users to quickly design dynamic objects.
PROCEEDINGS OF THE 2023 CHI CONFERENCE ON HUMAN FACTORS IN COMPUTING SYSTEMS (CHI 2023)
(2023)
Article
Chemistry, Analytical
Guanshuai Zhang, Shanjian Liu, Dongmei Bi, Zhisen He, Jia Liu, Yinjiao Liu
Summary: Hydrogen peroxide pretreatment was applied for fast pyrolysis of corn stalks, and it was found that the pretreatment effectively promoted lignin depolymerization and decreased the reaction activation energy. The pretreatment also increased the cellulose content and removed alkali and alkaline earth metals from the biomass. The pH of the hydrogen peroxide solution affected the removal of lignin and ash by the pretreatment, and the composition of bio-oil changed significantly, with a significant increase in the relative content of levoglucosan after pretreatment.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2024)
