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Pengcheng Liu, Jian Hao, Hui Hu, Xuekun Luan and Bingqian Meng
This article addresses the issue of energy waste resulting from frequent braking of underground mine cars and proposes an optimization design to address this. The proposed solution involves the installation of a regenerative braking device within the min...
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Yu Yang, Changhao Xin, Yidan Sun, Junzhen Di and Pengfei Liang
Incomplete data indicate that coal gangue is accumulated in China, with over 2000 gangue hills covering an area exceeding 200,000 mu and an annual growth rate surpassing 800 million tons. This accumulation not only signifies a substantial waste of resour...
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Sixu Liu, Jianfei Xu, Nan Zhou, Yuzhe Zhang, Chaowei Dong and Zhuo Lv
The mining of coal resources is accompanied by a large amount of solid waste such as gangue, which seriously affects the ecological environment. The gangue grouting backfilling technique can achieve the dual goals of gangue disposal and surface deformati...
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Masood Ur Rahman and Jing Li
This paper presents experimental investigations on epoxy mortar produced using industrial wastes. In some recent studies, coal bottom ash and polyethylene terephthalate (PET) waste have been chosen as a filler to replace sand, and fly ash and silica fume...
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Yuguang Lyv, Wei Qiao, Weichi Chen, Xianggang Cheng, Mengnan Liu and Yingjie Liu
The new Shanghai No. 1 Coal Mine is located in arid and semiarid area of northwest China, which is characterized by scarce rainfall, intense evaporation, and limited water resources. High-intensity coal mining has caused severe damage to groundwater reso...
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Ashfaque Ahmed Jhatial, Iveta Nováková and Eirik Gjerløw
Alternative to traditional concrete, sustainable concrete reduces cement content, waste management issues, and CO2 emissions. To achieve sustainable concrete, waste materials can be used as supplementary cementitious materials (SCMs) to partially replace...
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Ulzhalgas Nazarbek, Perizat Abdurazova, Saule Nazarbekova, Dina Assylbekova, Maksat Kambatyrov and Yerkebulan Raiymbekov
Organomineral potassium humate was extracted from coal mining waste from the Lenger deposit (Turkestan region, Kazakhstan) by alkaline extraction using an aqueous solution of potassium hydroxide. The time and temperature of the process were investigated ...
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Yuanyuan Zhang, Lai Wei, Xin Gao, Heng Chen, Qiubai Li, Kai Zhang and Qilong Huang
An innovative hybrid energy system consisting of a waste-to-energy unit and a coal-fired power unit is designed to enhance the energy recovery of waste and decrease the investment costs of waste-to-energy unit. In this integrated design, partial cold reh...
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Yuming Guo, Jixiong Zhang, Meng Li, Wendy Timms, Lingling Shen and Pengjie Li
Coal mine waste rocks, mainly broken gangue, can be used as filling materials to backfill into goafs. Under the overburden load, the backfill body is vulnerable to compressive deformation and particle breakage. With the increase in mining depth, the over...
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Yanan Li, Yuzhen Zhang and Shucai Zhang
The concept of the ?no-waste city? has focused increasing attention on the recycling of solid waste. One such waste is reclaimed asphalt pavement (RAP), which is generated during road maintenance. The potential to reuse this resource has attracted extens...
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