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Experimental study on reaction kinetics of stacked aluminum powder with water
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Jiqing LIU1, Lei PANG**, 1, 2, 3, Longzhe JIN1, 2, 3, Shengjun ZHONG4, 5, Chunmiao YUAN6, Yafei WANG7
China Safety Science Journal | 2026, 36(1) : 138 - 145
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China Safety Science Journal | 2026, 36(1): 138-145
• Safety Technology and Engineering •
Experimental study on reaction kinetics of stacked aluminum powder with water
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Jiqing LIU1, Lei PANG**, 1, 2, 3, Longzhe JIN1, 2, 3, Shengjun ZHONG4, 5, Chunmiao YUAN6, Yafei WANG7
Affiliations
  • 1School of Resources and Safety Engineering, University of Science and Technology Beijing, Beijing 100083, China
  • 2Research Institute of Macro-Safety Science, University of Science and Technology Beijing, Beijing 100083, China
  • 3NHC Key Laboratory for Engineering Control of Dust Hazard, Beijing 100083, China
  • 4School of Metallurgy, Northeastern University, Shenyang Liaoning 110819, China
  • 5Huile Insford Environmental and Safety Research Institute (Suzhou) Co., Ltd., Suzhou Jiangsu 215000, China
  • 6School of Resources and Civil Engineering, Northeastern University, Shenyang Liaoning 110819, China
  • 7Beijing Academy of Science and Technology, Beijing 100089, China
Published: 2026-01-28 doi: 10.16265/j.cnki.issn1003-3033.2026.01.1221
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In order to promote the optimization and upgrading of metal dust explosion-proof technology and establishment of a safety protection and control system, this study systematically investigated the reaction kinetics of aluminum powder with excess water under varying particle sizes and stacking masses, based on the self-developed visualization experimental platform for the reaction between stacked metal dust and water. Through quantitative characterization of the effects of particle size and stacking mass on key reaction parameters-including the maximum temperature, total gas production, maximum hydrogen concentration, maximum pressure, and total reaction time-the kinetic mechanism of the aluminum-water reaction was revealed. The results demonstrate that at a fixed particle size, all characteristic parameters exhibit positive correlations with increasing stacking mass. At a fixed stacking mass, the maximum temperature follows a V-shaped trend (decreasing then increasing) with increasing particle size, while gas production, hydrogen concentration, and pressure show inverted U-shaped trends (increasing then decreasing). Total reaction time increases monotonically with increasing particle sizes. The primary reaction products are Al(OH)3 and H2, and the reaction process comprises three distinct stages: slow hydrogen evolution, violent reaction, and attenuation and termination.

stacked aluminum powder  /  aluminum-water reaction  /  reaction kinetics  /  particle size  /  stacking mass
Jiqing LIU, Lei PANG, Longzhe JIN, Shengjun ZHONG, Chunmiao YUAN, Yafei WANG. Experimental study on reaction kinetics of stacked aluminum powder with water[J]. China Safety Science Journal, 2026 , 36 (1) : 138 -145 . DOI: 10.16265/j.cnki.issn1003-3033.2026.01.1221
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Year 2026 volume 36 Issue 1
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Article Info
doi: 10.16265/j.cnki.issn1003-3033.2026.01.1221
  • Receive Date：2025-09-14
  • Online Date：2026-07-08
  • Published：2026-01-28
Article Data
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History
  • Received：2025-09-14
  • Revised：2025-11-20
Funding
Affiliations
    1School of Resources and Safety Engineering, University of Science and Technology Beijing, Beijing 100083, China
    2Research Institute of Macro-Safety Science, University of Science and Technology Beijing, Beijing 100083, China
    3NHC Key Laboratory for Engineering Control of Dust Hazard, Beijing 100083, China
    4School of Metallurgy, Northeastern University, Shenyang Liaoning 110819, China
    5Huile Insford Environmental and Safety Research Institute (Suzhou) Co., Ltd., Suzhou Jiangsu 215000, China
    6School of Resources and Civil Engineering, Northeastern University, Shenyang Liaoning 110819, China
    7Beijing Academy of Science and Technology, Beijing 100089, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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