Results 41 to 50 of about 494,697 (190)

Prediction model of thermal conductivity of coal-water slurry based on coal particle-bonded water composite phase

Meitan xuebao
Coal-water slurry gasification is one of advanced coal gasification technologies. The improvement on the efficiency of coal-water slurry gasification is helpful to promote the clean and efficient utilization of coal.
Haifeng JIANG, Huachi ZHANG, Hui ZHAO, Jianliang XU, Qinfeng LIANG, Weifeng LI, Haifeng LIU   +6 more
doaj   +1 more source

Data on propylene/propane separation by the externally heat-integrated distillation column (EHIDiC) using data-driven analysis

Data in Brief, 2020
Nine hundred data were collected from rigorously simulated EHIDiC for propylene/propane separation using the Aspen Plus-Matlab communication platform. Statistical analysis was performed to give a further understanding of EHIDiC, a highly coupled system ...
Peng Qiu, Bo Huang, Zhenghua Dai, Fuchen Wang   +3 more
doaj  

Determination of the Technological Parameters of Borehole Underground Coal Gasification for Thin Coal Seams

Journal of Sustainable Mining, 2013
In this article the characteristics of the criteria of borehole underground coal gasification for thin coal seams are defined. The thermal and material balance calculations for coal seam gasification processes are also explained. The construction, method
Volodymyr S. Falshtynskyi, Roman O. Dychkovskyi, Vasyl G. Lozynskyi, Pavlo B. Saik   +3 more
doaj   +1 more source

Large-Scale Experimental Simulations of In Situ Coal Gasification in Terms of Process Efficiency and Physicochemical Properties of Process By-Products

Energies, 2023
This paper presents a series of surface experiments simulating underground coal gasification (UCG). The main goal of the experiments was to investigate the influence of the gasification medium and the coal rank on the gasification process. Four multi-day
Marian Wiatowski, Krzysztof Kapusta, Aleksandra Strugała-Wilczek, Krzysztof Stańczyk, Alberto Castro-Muñiz, Fabián Suárez-García, Juan Ignacio Paredes   +6 more
doaj   +1 more source

Research progress on the preparation of functional micro/nano materials from coal gasification slag

工程科学学报
The energy structure, characterized by abundant coal, limited oil, and gas shortages, contributes to China’s prevalent coal consumption. In the context of carbon peaking and carbon neutrality, coal combustion exacerbates environmental pollution ...
Zihan DING, Li MA, Junjie WU, Yan SHI, Nanjing HAO   +4 more
doaj   +1 more source

Characteristics of Geological Anomalies Shown on Seismic Time Sections

CT Lilun yu yingyong yanjiu
With the rapid development of three-dimensional (3D) seismic exploration technology in recent years, its application has demonstrated significant advantages in interpreting the form and structure of underground coal seams, particularly in identifying ...
Xiaobing GENG
doaj   +1 more source

Possibility to Reduce Dependence of Belarus on External Gas Energy Carrier

Наука и техника, 2004
The paper contains data on brown coal reserves in Belarus. Method of underground gasification of coal is described in the paper. The paper reveals advantages of underground gasification of coal in comparison with traditional methods (underground and open
B. A. Bogatov, V. S. Voitenko
doaj   +1 more source

Utilization of Carbon Dioxide in Coal Gasification—An Experimental Study

Energies, 2019
Utilization of coal in the current energy sector requires implementation of highly-efficient technologies to meet the dual targets of increased energy-efficiency and reduced carbon footprint.
Janusz Zdeb, N. Howaniec, A. Smoliński
semanticscholar   +1 more source

Study on the Optimization of Coal Pillar Width in Goaf-Side Roadway Under the Synergistic Effect of Mining and Seepage

Applied Sciences
In coal mine roadways excavated along the goaf with water accumulation, the roadway is subjected to the combined effects of water infiltration and multiple stresses from excavation activities, leading to significant deformation and challenges in ...
Shuai Yan, Shuihua Liu, Xiangdong Wang, Jianbiao Bai, Yonghong Guo   +4 more
doaj   +1 more source

CFD Simulation of Temperature Variation in Carboniferous Rock Strata During UCG

Journal of Sustainable Mining, 2013
The numerical simulation was based on the computational fluid dynamics formalism in order to identify the change of temperature in rock strata during underground coal gasification (UCG).
Tomasz Janoszek, Anna Sygała, Mirosława Bukowska   +2 more
doaj   +1 more source