Results 31 to 40 of about 150,870 (302)

Simulation of co-production system based on coal partial gasification under different reactant gas atmospheres [PDF]

E3S Web of Conferences, 2023
In order to explore the comparison of coal partial gasification hydrogen-electricity cogeneration systems under different gasification agent atmospheres, based coal partial gasification, including steam cycle power generation and syngas processing for ...
Zhang Zeyi, Shao Yingjuan
doaj   +1 more source

Assessment of coal gasification in a pressurized fixed bed gasifier using an ASPEN plus and Euler–Euler model

International Journal of Coal Science & Technology, 2020
With the help of Aspen Plus, a two-dimensional unsteady CFD model is developed to simulate the coal gasification process in a fixed bed gasifier. A developed and validated two dimensional CFD model for coal gasification has been used to predict and ...
Tamer M. Ismail, Mingliang Shi, Jianliang Xu, Xueli Chen, Fuchen Wang, M. Abd El-Salam   +5 more
doaj   +1 more source

Integrated analysis of geofiltrational parameters in the context of underground coal gasification relying upon calculations and modeling [PDF]

, 2018
Objective of the paper is to substantiate and implement the integrated approach aimed at the studies of filtration and mass-transfer processes within roof rocks of coal seams in the context of their underground ...
Dereviahina, Nataliia, Inkin, Oleksandr, Sotskov, Vadym, Tishkov, Volodymyr, Инкин, А. В., Инкин, Александр Викторович, Інкін, О. В., Інкін, Олександр Вікторович   +7 more
core   +1 more source

Study on the slurry properties of Xinjiang Zhundong coal water slurry controlled by particles size distribution

Meitan xuebao
One of the most important technologies for the effective and clean use of coal is gasification. Currently, one of the most advanced gasification technologies being employed extensively is large-scale water-coal slurry entrained flow gasification.
Jiyuan CHEN, Hui ZHAO, Jianliang XU, Mei ZHONG, Sai XIONG, Zhenghua DAI, Haifeng LIU   +6 more
doaj   +1 more source

Combustion Enhancement of Gel Propellant Containing High Concentration Aluminum Particles Based on Carbon Synergistic Effect

Gels
The addition of aluminum particles to gel propellants can improve combustion performance. However, the agglomeration of aluminum during the combustion process can result in a series of negative effects.
Jiyuan Chen, Hui Zhao, Weifeng Li, Haifeng Liu   +3 more
doaj   +1 more source

Effects of Adding Pyrochar and Hydrochar to Calcareous Soil on Nutrient Uptake by Maize

BioResources, 2023
The patterns and mechanisms underlying the effects of different types of biochar on crop dry matter accumulation and uptake of major soil minerals are uncertain.
Yuxiao Cai, Luyu Liu, Wei Zhang, Sen Xing, Xiaohui Liang, Mingjie Gao, Hewei Yu, Zhaoxia Jiang, Kenji Ogino, Xiuxiu Chen, Bing Wang, Hongyu Si   +11 more
doaj   +2 more sources

Technology and engineering practice of self-flowing filling and subsidence reduction of fly ash matrix in valley mountain area

Meitan kexue jishu
Filling mining is a technology that can curb land subsidence, efficiently dispose of industrial solid waste, and quickly liberate the “three underground” coal resources.
Maoping ZHAO, Zhu WU
doaj   +1 more source

Gasification under CO2–Steam Mixture: Kinetic Model Study Based on Shared Active Sites

Energies, 2017
In this work, char gasification of two coals (i.e., Shenfu bituminous coal and Zunyi anthracite) and a petroleum coke under a steam and CO2 mixture (steam/CO2 partial pressures, 0.025–0.075 MPa; total pressures, 0.100 MPa) and CO2/steam chemisorption of ...
Xia Liu, Juntao Wei, Wei Huo, Guangsuo Yu   +3 more
doaj   +1 more source

Pyrolysis/gasification of cellulose, hemicellulose and lignin for hydrogen production in the presence of various nickel-based catalysts

, 2013
Cellulose, hemicellulose and lignin are the main components of biomass. This work presents research into the pyrolysis/gasification of all three main components of biomass, in order to evaluate and compare their hydrogen production and also understand ...
Huang, J, Wang, Z, Williams, PT, Wu, C
core   +1 more source

Electrochemical Carbon Dioxide Reduction to Methanol on Copper‐Based Catalysts: Mechanistic Insights and Industrial Prospects

Advanced Materials, EarlyView.
This review presents a focused and integrated perspective on copper‐based catalysts for the selective electrochemical reduction of CO2 to methanol. It elucidates active site dynamics, mechanistic pathways, and structure–activity relationships, while connecting fundamental insights with catalyst design, reactor engineering, and techno‐economic ...
Debabrata Bagchi, Carsten Walter, Venkata S. R. K. Tandava, Yasmin Lucero Cobos‐Becerra, Jack C. Q. Fletcher, Nico Fischer, Tobias Sontheimer, Prashanth W. Menezes   +7 more
wiley   +1 more source