Results 51 to 60 of about 1,050 (181)
Meikuang Anquan, 2022 The spontaneous combustion of coal in the goaf can easily lead to waste of resources and environmental pollution, and at the same time, it can cause major catastrophic accidents such as gas combustion and dust explosion, resulting in property losses and
DENG Jun, YANG Nannan, WANG Caiping
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Foamed Concrete Sealing Materials for Coal Seam Gas Drainage Boreholes: A Review
Safety Science and Technology, EarlyView.This study investigates the sealing performance of foamed concrete in gas drainage boreholes. By comparing leakage pathways (a, c) with sealed systems (b, d), the research demonstrates how foamed concrete effectively fills mining‐induced fractures and resists deformation.
Jiaxing Zou +6 more
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Coal mine rock burst and coal and gas outburst perception alarm method based on color image
Gong-kuang zidonghua, 2022 The paper analyzes the image characteristics of the thrown coal and rock when rock burst and coal and gas outburst occur. ① The coal and rock thrown out during rock burst and coal and gas outburst are mainly black, but the underground equipment of the ...
SUN Jiping, CHENG Jijie, WANG Yunquan
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SusMat, EarlyView.This review examines large‐scale biochar production technologies and process engineering from an engineering thermochemistry perspective. At the level of thermochemical fundamentals, we discuss thermochemical techniques, pyrolysis mechanisms, and key parameters governing biochar formation.
Dengguo Lai +12 more
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Research on safe power threshold of radio wave explosion-proof in coal mine
Gong-kuang zidonghua, 2022 In order to prevent gas explosion caused by radio waves emitted by wireless equipment in the coal mine, the power and energy of radio waves in coal mines should be limited.
LIANG Weifeng +4 more
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, 2023 Coal is an important natural resource. Improving the safety levels of the coal mining process while ensuring that coal production is at an acceptable level are problems to which we must attribute great importance.
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A Review of the Unintended Consequences of Biochar in Various Applications
Advanced Energy and Sustainability Research, Volume 7, Issue 5, May 2026.Biochar is widely promoted as a sustainable material for applications ranging from soil amendment to energy storage and construction materials. This review critically examines the often‐overlooked and unintended consequences of biochar, including variability in properties, safety risks, and performance limitations.
Singaravelu Vivekanandhan +14 more
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Asia-Pacific Journal of Chemical Engineering, Volume 21, Issue 3, May/June 2026.ABSTRACT Greenhouse gas (GHG) emissions have emerged as one of the most critical drivers of climate change; this is primarily due to high concentrations and long atmospheric life of carbon dioxide (CO2). For a significant amount of time, various biological processes such as microalgal cultivation, cyanobacterial systems, photosynthetic microorganisms ...
Sadhana Semwal, Harish Chandra Joshi
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Gong-kuang zidonghua, 2020 In view of problems of rotary drilling technology for soft-fragmentized coal seam, such as shallow borehole completed depth, uncontrollable borehole trajectory, low drilling efficiency and poor gas drainage effect, pneumatic directional drilling ...
KONG Qingjun, CHU Zhiwei
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Large-Scale Li-Ion Battery Research and Application in Mining Industry
Energies, 2022 The lithium-ion battery (LIB) has the advantages of high energy density, low self-discharge rate, long cycle life, fast charging rate and low maintenance costs. It is one of the most widely used chemical energy storage devices at present.
Lingyu Meng +7 more
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