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A critical review on direct catalytic hydrogasification of coal into CH4: catalysis process configurations, evaluations, and prospects Int. J. Coal Sci. Technol. Pub Date : 2024-04-18 Shuai Yan, Jun Feng, Shenfu Yuan, Zihong Xia, Fengshuang Han, Xuan Qu, Jicheng Bi
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Understanding poromechanical response of a biogenic coalbed methane reservoir Int. J. Coal Sci. Technol. Pub Date : 2024-04-17 Rohit Pandey, Satya Harpalani
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Advancing respirable coal mine dust source apportionment: a preliminary laboratory exploration of optical microscopy as a novel monitoring tool Int. J. Coal Sci. Technol. Pub Date : 2024-04-16 Nestor Santa, Emily Sarver
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Development and technology status of energy storage in depleted gas reservoirs Int. J. Coal Sci. Technol. Pub Date : 2024-04-12 Jifang Wan, Yangqing Sun, Yuxian He, Wendong Ji, Jingcui Li, Liangliang Jiang, Maria Jose Jurado
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Theoretical analysis of hydrogen solubility in direct coal liquefaction solvents Int. J. Coal Sci. Technol. Pub Date : 2024-04-08 Xiaobin Zhang, Aoqi Wang, Xingbao Wang, Wenying Li
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Residual subsidence time series model in mountain area caused by underground mining based on GNSS online monitoring Int. J. Coal Sci. Technol. Pub Date : 2024-04-06 Xugang Lian, Lifan Shi, Weiyu Kong, Yu Han, Haodi Fan
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Uncertainties of landslide susceptibility prediction: influences of different study area scales and mapping unit scales Int. J. Coal Sci. Technol. Pub Date : 2024-04-05 Faming Huang, Yu Cao, Wenbin Li, Filippo Catani, Guquan Song, Jinsong Huang, Changshi Yu
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Theoretical analysis and engineering application of controllable shock wave technology for enhancing coalbed methane in soft and low-permeability coal seams Int. J. Coal Sci. Technol. Pub Date : 2024-03-31 Guodong Qiao, Zegong Liu, Yongmin Zhang, Changping Yi, Kui Gao, Shigui Fu, Youzhi Zhao
Coalbed methane (CBM) is a significant factor in triggering coal and gas outburst disaster, while also serving as a clean fuel. With the increasing depth of mining operations, coal seams that exhibit high levels of gas content and low permeability have become increasingly prevalent. While controllable shockwave (CSW) technology has proven effective in enhancing CBM in laboratory settings, there is
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A mini review on the separation of Al, Fe and Ti elements from coal fly ash leachate Int. J. Coal Sci. Technol. Pub Date : 2024-03-30 Yuan Shi, Fengqi Jiang, Rongjiao Wang, Sasha Yang, Xiaofeng Zhu, Yingying Shen
The electricity demand is increasing rapidly with the development of society and technology. Coal-fired thermal power plants have become one of the primary sources of electricity generation for urbanization. However, coal-fired thermal power plants produce a great amount of by-product coal fly ash every year. Coal fly ash disposal in landfills requires a sizable space and has negative environmental
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Process engineering of demineralisation of moderate to high ash Indian coals through NaOH-HCl leaching and HF leaching Int. J. Coal Sci. Technol. Pub Date : 2024-03-29 Heena Dhawan, D. K. Sharma
Chemical leaching of coals would be required to produce cleaner coals for some special applications where physical beneficiation may not be effective enough. This would also help in recovering Li and rare earth metals besides in the sequestration of CO2. About 20 Indian coals having complexly distributed moderate to high ash contents were sequentially treated with various alkali–acid such as NaOH-HCl
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Hydrodynamic resistance of pore–throat structures and its effect on shale oil apparent permeability Int. J. Coal Sci. Technol. Pub Date : 2024-03-27 Wendong Wang, Qian Zhang, Jilong Xu, Da Zheng, Lifeng Liu, Yuliang Su
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Agglomeration of coal and polyethylene mixtures during fixed-bed co-gasification Int. J. Coal Sci. Technol. Pub Date : 2024-03-27 Igor G. Donskoy, Aleksandr N. Kozlov, Maksim V. Penzik, Denis A. Svishchev, Lu Ding
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CO2 capture by modified clinoptilolite and its regeneration performance Int. J. Coal Sci. Technol. Pub Date : 2024-03-22 Bo Jiang, Bo Zhang, Xuqin Duan, Yi Xing
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Determining rock crack stress thresholds using ultrasonic through-transmission measurements Int. J. Coal Sci. Technol. Pub Date : 2024-03-20 Jiangwan He, Mehdi Serati, Martin Veidt, Arthur De Alwis
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Performance characteristics of the airlift pump under vertical solid–water–gas flow conditions for conveying centimetric-sized coal particles Int. J. Coal Sci. Technol. Pub Date : 2024-03-20 Parviz Enany, Carsten Drebenshtedt
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Three-dimensional numerical simulation of dynamic strength and failure mode of a rock mass with cross joints Int. J. Coal Sci. Technol. Pub Date : 2024-03-16 Tingting Liu, Wenxu Huang, Chang Xiang, Qian Dong, Xinping Li, Chao Zhang
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Effect of thermal maturation and organic matter content on oil shale fracturing Int. J. Coal Sci. Technol. Pub Date : 2024-03-16 Fatemeh Saberi, Mahboubeh Hosseini-Barzi
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Comprehensive kinetic study on ammonia/ethylene counter-flow diffusion flames: influences of diluents Int. J. Coal Sci. Technol. Pub Date : 2024-03-15 Zhimei Shu, Tingting Xu, Jiayi Xiao, Qige Deng, Xuan Zhao, Tianjiao Li, Yaoyao Ying, Dong Liu
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Responses of soil stoichiometry and soil enzyme activities in the different distance around opencast coal mine of the Hulun Buir Grassland of China Int. J. Coal Sci. Technol. Pub Date : 2024-03-14 Yinli Bi, Nan Guo, Yanxu Zhang, Xianglei Li, Ziheng Song
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Exploring pore-scale production characteristics of oil shale after CO2 huff ‘n’ puff in fractured shale with varied permeability Int. J. Coal Sci. Technol. Pub Date : 2024-03-12 Tianhan Xu, Jian Wang, Yuhao Lu, Danling Wang, Li Yu, Ye Tian
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Experimental and numerical simulation study on forced ventilation and dust removal of coal mine heading surface Int. J. Coal Sci. Technol. Pub Date : 2024-03-12 Haotian Zheng, Bingyou Jiang, Haoyu Wang, Yuannan Zheng
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State-of-the-art on the anchorage performance of rock bolts subjected to shear load Int. J. Coal Sci. Technol. Pub Date : 2024-02-05 Yu Chen, Haodong Xiao
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Heteroatoms doped iron oxide-based catalyst prepared from zinc slag for efficient selective catalytic reduction of NOx with NH3 Int. J. Coal Sci. Technol. Pub Date : 2024-02-05 Jiale Liang, Yaojun Zhang, Hao Chen, Licai Liu, Panyang He, Lei Wu
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Quantitative characterization of the brittleness of deep shales by integrating mineral content, elastic parameters, in situ stress conditions and logging analysis Int. J. Coal Sci. Technol. Pub Date : 2024-02-05
Abstract Deep shale reservoirs (3500–4500 m) exhibit significantly different stress states than moderately deep shale reservoirs (2000–3500 m). As a result, the brittleness response mechanisms of deep shales are also different. It is urgent to investigate methods to evaluate the brittleness of deep shales to meet the increasingly urgent needs of deep shale gas development. In this paper, the quotient
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Influence of water coupling coefficient on the blasting effect of red sandstone specimens Int. J. Coal Sci. Technol. Pub Date : 2024-02-04 Yang Li, Renshu Yang, Yanbing Wang, Dairui Fu
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Geochemical and petrological studies of high sulfur coal and overburden from Makum coalfield (Northeast India) towards understanding and mitigation of acid mine drainage Int. J. Coal Sci. Technol. Pub Date : 2024-02-03
Abstract Opencast coal mining produces trash of soil and rock containing various minerals, that are usually dumped nearby the abandoned sites which causes severe environmental concern including the production of acid mine drainage (AMD) through oxidation pyrite minerals. The current study entailed assessing the potential production of AMD from an opencast coal mining region in Northeast part of India
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Multiscale analysis of fine slag from pulverized coal gasification in entrained-flow bed Int. J. Coal Sci. Technol. Pub Date : 2024-02-03 Lirui Mao, Mingdong Zheng, Baoliang Xia, Facun Jiao, Tao Liu, Yuanchun Zhang, Shengtao Gao, Hanxu Li
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Fabrication of pollution-free coal gangue-based catalytic material utilizing ferrous chloride as activator for efficient peroxymonosulfate activation Int. J. Coal Sci. Technol. Pub Date : 2024-01-20 Zhiming Sun, Xinlin Wang, Shaoran Jia, Jialin Liang, Xiaotian Ning, Chunquan Li
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Fracture propagation and evolution law of indirect fracturing in the roof of broken soft coal seams Int. J. Coal Sci. Technol. Pub Date : 2024-01-17 Haifeng Zhao, Pengyue Li, Xuejiao Li, Wenjie Yao
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Three dimensional discrete element modelling of the conventional compression behavior of gas hydrate bearing coal Int. J. Coal Sci. Technol. Pub Date : 2024-01-16
Abstract To analyze the relationship between macro and meso parameters of the gas hydrate bearing coal (GHBC) and to calibrate the meso-parameters, the numerical tests were conducted to simulate the laboratory triaxial compression tests by PFC3D, with the parallel bond model employed as the particle contact constitutive model. First, twenty simulation tests were conducted to quantify the relationship
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Numerical analysis on the factors affecting post-peak characteristics of coal under uniaxial compression Int. J. Coal Sci. Technol. Pub Date : 2024-01-04 Zhiguo Lu, Wenjun Ju, Fuqiang Gao, Taotao Du
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Fuzzy inference system using genetic algorithm and pattern search for predicting roof fall rate in underground coal mines Int. J. Coal Sci. Technol. Pub Date : 2024-01-03
Abstract One of the most dangerous safety hazard in underground coal mines is roof falls during retreat mining. Roof falls may cause life-threatening and non-fatal injuries to miners and impede mining and transportation operations. As a result, a reliable roof fall prediction model is essential to tackle such challenges. Different parameters that substantially impact roof falls are ill-defined and
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Assessing reliability and validity of the Chinese version of Crown–Crisp experience index and its application in coal miners Int. J. Coal Sci. Technol. Pub Date : 2023-12-21 Fulin Cai, Sheng Xue, Mei Zhang, Jing Zhang, Xiufeng Chen, Yi Bao, Yaqiang Li
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Characterization of 10 nm – 10 μm coal dust particles generated by simulated different cutting and drilling parameters: mass concentration distribution, number concentration distribution, and fractal dimension Int. J. Coal Sci. Technol. Pub Date : 2023-12-19 Jintuo Zhu, Menglin Chen, Liang Wang, Haisong Sun, Chenghao Wang, Noor Azhar, Nkansah Benjamin Oduro
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Microstructure and adhesion force of dust on soil pavement in open-pit mine Int. J. Coal Sci. Technol. Pub Date : 2023-12-09 Jiuzhu Wang, Cuifeng Du, Yuan Wang, Zheng Chen
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Migration transformation, prevention, and control of typical heavy metal lead in coal gangue: a review Int. J. Coal Sci. Technol. Pub Date : 2023-12-08 Benfeng Zhang, Kang Yang, Kai Zhang, Qibao Wang, Nianqing Wu
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Influence of coupling mechanism of loose layer and fault on multi-physical fields in mining areas Int. J. Coal Sci. Technol. Pub Date : 2023-12-08 Jin Luo, Yingming Li, Xiangrui Meng, Qingbiao Guo, Guangming Zhao
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A mathematical model for parameter setting in discrete element numerical simulation Int. J. Coal Sci. Technol. Pub Date : 2023-12-08 Song Qin, Haifei Lin, Shouguo Yang, Zongyong Wei
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Integrating image processing and deep learning for effective analysis and classification of dust pollution in mining processes Int. J. Coal Sci. Technol. Pub Date : 2023-12-07 JiangJiang Yin, Jiangyang Lei, Kaixin Fan, Shaofeng Wang
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Mechanism and key parameters of stress load-off by innovative asymmetric hole-constructing on the two sides of deep roadway Int. J. Coal Sci. Technol. Pub Date : 2023-11-28 Dongdong Chen, Zaisheng Jiang, Shengrong Xie
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Rate-dependent constitutive modelling blasting crack initiation and propagation in rock masses Int. J. Coal Sci. Technol. Pub Date : 2023-11-28 Yongjun Zhang, Meng Xu, Sijia Liu, Fei Liu, Qingsong Wang
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Numerical modelling of gas outburst from coal: a review from control parameters to the initiation process Int. J. Coal Sci. Technol. Pub Date : 2023-11-28 Fatemeh Soleimani, Guangyao Si, Hamid Roshan, Jian Zhang
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Study and application of a continuous inversion model of coal seam gas pressure in front area of heading face Int. J. Coal Sci. Technol. Pub Date : 2023-11-28 Longyong Shu, Yankun Ma, Zhengshuai Liu, Hongyan Li
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Comparative study on the flame retardancy of CO2 and N2 during coal adiabatic oxidation process Int. J. Coal Sci. Technol. Pub Date : 2023-11-25 Xiyang Fang, Bo Tan, Haiyan Wang
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Water–rock two-phase flow model for water inrush and instability of fault rocks during mine tunnelling Int. J. Coal Sci. Technol. Pub Date : 2023-11-20 Dan Ma, Hongyu Duan, Qiang Li, Jiangyu Wu, Wen Zhong, Zhen Huang
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Elimination mechanism of coal and gas outburst based on geo-dynamic system with stress–damage–seepage interactions Int. J. Coal Sci. Technol. Pub Date : 2023-11-18 Lingjin Xu, Chaojun Fan, Mingkun Luo, Sheng Li, Jun Han, Xiang Fu, Bin Xiao
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Evaluation of roof cutting by directionally single cracking technique in automatic roadway formation for thick coal seam mining Int. J. Coal Sci. Technol. Pub Date : 2023-11-18 Yubing Gao, Qiukai Gai, Xingxing Zhang, Xun Xi, Manchao He
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Numerical analysis of water-alternating-CO2 flooding for CO2-EOR and storage projects in residual oil zones Int. J. Coal Sci. Technol. Pub Date : 2023-11-18 Boyu Liu, Jun Yao, Tunan Sun
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Effect of CO2 dilution on laminar burning velocities, combustion characteristics and NOx emissions of CH4/air mixtures Int. J. Coal Sci. Technol. Pub Date : 2023-11-13 Wenlong Dong, Longkai Xiang, Jian Gao, Bingbing Qiu, Huaqiang Chu
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Simulation study of hydrogen sulfide removal in underground gas storage converted from the multilayered sour gas field Int. J. Coal Sci. Technol. Pub Date : 2023-11-04 Yi Yang, Longxin Li, Xia Wang, Nan Qin, Ruihan Zhang, Yulong Zhao, Ye Tian
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An efficient 3D cell-based discrete fracture-matrix flow model for digitally captured fracture networks Int. J. Coal Sci. Technol. Pub Date : 2023-11-01 Lei Sun, Mei Li, Aly Abdelaziz, Xuhai Tang, Quansheng Liu, Giovanni Grasselli
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Building 3D CityGML models of mining industrial structures using integrated UAV and TLS point clouds Int. J. Coal Sci. Technol. Pub Date : 2023-10-30 Canh Le Van, Cuong Xuan Cao, Anh Ngoc Nguyen, Chung Van Pham, Long Quoc Nguyen
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Time-shift effect of spontaneous combustion characteristics and microstructure difference of dry-soaked coal Int. J. Coal Sci. Technol. Pub Date : 2023-10-27 Yikang Liu, Haiyan Wang, Huiyong Niu, Tao Wang, Zhiwen Chen, Yuqi Chen, Qingjie Qi
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Influence of nanosized magnesia on the hydration of borehole-sealing cements prepared using different methods Int. J. Coal Sci. Technol. Pub Date : 2023-10-26 Quanle Zou, Jinfei Zhan, Xin Wang, Zhen Huang
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Experimental study on the slip evolution of planar fractures subjected to cyclic normal stress Int. J. Coal Sci. Technol. Pub Date : 2023-10-27 Kang Tao, Wengang Dang, Xian Liao, Xingling Li
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Spoil characterisation using UAV-based optical remote sensing in coal mine dumps Int. J. Coal Sci. Technol. Pub Date : 2023-10-26 Sureka Thiruchittampalam, Sarvesh Kumar Singh, Bikram Pratap Banerjee, Nancy F. Glenn, Simit Raval
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Environmental performance assessments of different methods of coal preparation for use in small-capacity boilers: experiment and theory Int. J. Coal Sci. Technol. Pub Date : 2023-10-05 A. N. Kozlov, E. P. Maysyuk, I. Yu. Ivanova
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Stability analysis of a slope containing water-sensitive mudstone considering different rainfall conditions at an open-pit mine Int. J. Coal Sci. Technol. Pub Date : 2023-10-06 Guoyu Yang, Yanlong Chen, Xuanyu Liu, Ri Yang, Yafei Zhang, Jialong Zhang
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Modeling and petrophysical properties of digital rock models with various pore structure types: An improved workflow Int. J. Coal Sci. Technol. Pub Date : 2023-10-01 Xiaobin Li, Wei Wei, Yuxuan Xia, Lei Wang, Jianchao Cai
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A developed dual-site Langmuir model to represent the high-pressure methane adsorption and thermodynamic parameters in shale Int. J. Coal Sci. Technol. Pub Date : 2023-10-01 Ke Hu, Qian Zhang, Yufei Liu, Muhammad Abdurrahman Thaika