Experimental study on dust suppression and CO absorption performance of micro-nano bubble water

doi:10.16265/j.cnki.issn1003-3033.2026.05.0679

Abstract

Abstract:

To effectively apply micro-nano bubble water stemming in mining operations, this study investigated the key performance of micro-nano bubble water as the internal filling material in stemming for dust suppression and CO absorption. Experiments including surface tension measurement, contact angle analysis, spray dust suppression, and solution adsorption were conducted to examine the fundamental properties of micro-nano bubble water, such as wettability and oxidation capability, as well as its effectiveness in suppressing blasting dust and CO absorption efficiency. The results show that: compared with tap water, micro-nano bubble water exhibits lower surface tension and a smaller contact angle with coal, thereby enhancing the wettability of coal particles. With prolonged standing time, collapsed microbubbles generates abundant OH radicals, improving the catalytic oxidation performance of micro-nano bubble water. Micro-nano bubble water achieves higher dust suppression efficiency than tap water, reaching up to 62.27%, with a more pronounced effect on respirable dust. In addition, it significantly enhances CO absorption efficiency. As the circulation time of the micro-nano bubble generator increases, along with higher air intake and larger scrubbing water volume, the CO absorption efficiency gradually increases, though its growth rate first rises and then declines. Under optimal experimental conditions, the CO absorption efficiency of micro-nano bubble water reaches 64.27%.

Key words: micro-nano bubbles, dust removal efficiency, CO absorption efficiency, blasting, wettability

CLC Number:

X964工业防尘

Cai Sihui, Wang Pengfei, Li Yongjun, Ouyang Dan, Chen Yong. Experimental study on dust suppression and CO absorption performance of micro-nano bubble water[J]. China Safety Science Journal, 2026, 36(5): 251-259.

Figures/Tables 14

Fig.1

Fig.2

Fig.3

Fig.4

Fig.5

Table 1

Fig.6

Fig.7

Fig.8

Fig.9

Fig.10

Fig.11

Fig.12

Table 2

References 36

[1]	赵永岗, 王德胜, 秦鹏渊, 等. 露天矿爆破(烟)粉尘的爆炸水雾降尘技术研究[J]. 金属矿山, 2022, 51(10): 204-208.
	Zhao Yonggang, Wang Desheng, Qin Pengyuan, et al. Study on dust reduction technology of blasting smoke and dust by explosion water mist in open-pit min[J]. Metal Mine, 2022, 51(10): 204-208.
[2]	He Sheng, Gao Shuo, Li Jia, et al. Research on an in-situ synchronous CO elimination method in blasting operations and engineering experimental application based on nano-CO catalysts[J]. Journal of Environmental Chemical Engineering, 2024, 12(4): 113 260-113 276.
[3]	李德文, 隋金君, 赵政, 等. “十四五”以来煤矿粉尘防治新技术及发展方向[J]. 矿业安全与环保, 2024, 51(6): 1-8.
	Li Dewen, Sui Jinjun, Zhao Zheng, et al. Control technology and development direction of coal mine dust from the 14^th Five-Year Plan Period[J]. Mining Safety & Environmental Protection, 2024, 51(6):1-8.
[4]	Akanyange S N, Nie Wen, Mwabaima F I, et al. A systematic review of the physiological and environmental impacts of coal dust and its control technologies[J]. Fuel, 2024, 371(1): 131 876-131 897.
[5]	王璐. 煤矿安全监控系统中一氧化碳无线传感器的设计与实现[J]. 煤矿机电, 2020, 41(4): 5-8,12.
	Wang Lu. Design and implementation of carbon monoxide wireless sensorin coal mine safety monitoring system[J]. Coal Mine Electromechanical, 2020, 41(4): 5-8, 12.
[6]	薛希龙, 李佳乐, 武拴军, 等. 下向进路采场内炮烟的扩散特征及通风参数确定[J]. 中国安全科学学报, 2025, 35(4): 76-84. doi: 10.16265/j.cnki.issn1003-3033.2025.04.1577
	Xue Xilong, Li Jiale, Wu Shuanjun, et al. Diffusion characteristics of blasting fumes in downward drift stope and determination of ventilation parameter[J]. China Safety Science Journal, 2025, 35(4): 76-84. doi: 10.16265/j.cnki.issn1003-3033.2025.04.1577
[7]	Xie Zhuwei, Huang Chen, Zhao Zhongtai, et al. Review and prospect the development of dust suppression technology and influencing factors for blasting construction[J]. Tunnelling and Underground Space Technology incorporating Trenchless Technology Research, 2022, 125(7): 104 574-104 606.
[8]	董祥杰, 石艳, 林椿松, 等. 基于SEKOA的煤尘环境下机械臂转运煤粉物料轨迹规划[J]. 中国安全科学学报, 2025, 35(8):171-179. doi: 10.16265/j.cnki.issn1003-3033.2025.08.1517
	Dong Xiangjie, Shi Yan, Lin Chunsong, et al. Trajectory planning for robotic arm transfer of pulverized coal material in coal dust environment based on SEKOA[J]. China Safety Science Journal, 2025, 35(8): 171-179. doi: 10.16265/j.cnki.issn1003-3033.2025.08.1517
[9]	李向东, 孙萌苑. 新型水炮泥降低爆破烟尘的试验[J]. 煤炭科技术, 2011, 39(1): 53-56.
	Li Xiangdong, Sun Mengyuan. Experiment on new water stemming to reduce blasting smoke and dust[J]. Coal Science and Technology, 2011, 39(1): 53-56.
[10]	邹常富, 张启平, 秦秀合, 等. 爆破作业面水炮泥降尘试验研究[J]. 矿业研究与开发, 2019, 39(5): 126-129.
	Zou Changfu, Zhang Qiping, Qin Xiuhe, et al. Experimental study on dust-reduction of water cannon mud on blasting operation face[J]. Mining Research and Development, 2019, 39(5): 126-129.
[11]	彭剑平, 邹常富. 高效水炮泥降尘技术的应用研究[J]. 矿业安全与环保, 2018, 45(6): 29-31.
	Peng Jianping, Zou Changfu. The Application research on dust removal technology of high efficiency water stemming[J]. Mining Safety & Environmental Protection, 2018, 45(6): 29-31.
[12]	金龙哲, 郭敬中, 李刚, 等. 金属矿山采场爆破尘毒防控技术研究进展及展望[J]. 金属矿山, 2021, 50(1): 120-134.
	Jin Longzhe, Guo Jingzhong, Li Gang, et al. Study progress and prospect on prevention and control technology of blasting dust and poison in metal mine stope[J]. Metal Mine, 2021, 50(1): 120-134.
[13]	王一彪. 微纳米气泡体系的制备及稳定性能研究[D]. 北京: 中国石油大学(北京), 2023.
	Wang Yibiao. Study on the preparation and stability of micro and nanobubble[D]. Beijing: China University of Petroleum(Beijing), 2023.
[14]	高浩翔. 微纳米气泡高效制备及其环保型应用研究[D]. 北京: 北京化工大学, 2023.
	Gao Haoxiang. Efficient preparation of micro-nano bubbles andheir environmentally friendly application[D]. Beijing: Beijing University of Chemical Technology, 2023.
[15]	Wang Tianzhi, Yang Ci, Sun Peizhe, et al. Generation mechanism of hydroxyl free radicals in micro-nanobubbles water and its prospect in drinking water[J]. Processes, 2024, 12(4): 692-706. doi: 10.3390/pr12040692
[16]	Chen Cang, Feng Ganlin, Long Wujiang, et al. Enhancing cement early hydration with micro-nano bubble water: bubble characteristics analysis and mechanism insight[J]. Construction and Building Materials, 2025, 460(2): 139 807-139 821.
[17]	李婷竹, 郭冀峰, 王嘉琳, 等. 微纳米气泡及其在环境工程领域的应用[J]. 净水技术, 2021, 40(2): 88-92,110.
	Li Tingzhu, Guo Jifeng, Wang Jialin, et al. Micro and nano bubbles and the applications in environmental engineering[J]. Water Purification Technology, 2021, 40(2): 88-92,110.
[18]	刘永立, 全金峰, 方磊, 等. 微纳米气泡协同活性水雾化降尘实验研究[J]. 煤炭工程, 2025, 57(1): 169-176. doi: 10.11799/ce202501023
	Liu Yongli, Quan Jinfeng, Fang Lei, et al. Experiment on atomizing water activated by micro-nano bubbles for dust reduction[J]. Coal Engineering, 2025, 57(1): 169-176. doi: 10.11799/ce202501023
[19]	Guan Nan, Wang Yao, Hu Jun, et al. Micro-nano bubbles: a new field of eco-friendly cleaning[J]. Nanomaterials, 2025, 15(7): 480-501. doi: 10.3390/nano15070480
[20]	彭昕翊, 王承军, 李波, 等. 微纳米气泡与普通气泡曝气性能对比[J]. 南昌大学学报(理科版), 2024, 48(1): 64-70.
	Peng Xinyi, Wang Chengjun, Li Bo, et al. Comparative scientific research on aeration performance of micro nano bubbles and ordinary large bubbles[J]. Journal of Nanchang University (Natural Science), 2024, 48(1): 64-70.
[21]	Xiao Yatao, Liu Hailin, Sun Chaoxiang, et al. Research progress of micro-nano bubbles in environmental remediation: mechanisms, preparation methods, and applications[J]. Journal of Environmental Management, 2025, 375(2): 124 387-124 401.
[22]	江玖鸿. 微纳米气泡强化喷雾降尘实验研究[D]. 湘潭: 湖南科技大学, 2022.
	Jiang Jiuhong. Experimental study on micro-nano bubbles strengthening spray dust suppression[D]. Xiangtan: Hunan University of Science and Technology, 2022.
[23]	欧阳丹, 王鹏飞, 李石林, 等. 矿山采场水压爆破降尘技术研究进展[J]. 化工矿物与加工, 2023, 52(3): 60-68.
	Ouyang Dan, Wang Pengfei, Li Shilin, et al. Research progress of dust reduction technology in mine quarries by hydraulic blasting[J]. Industrial Minerals& Processing, 2023, 52(3): 60-68.
[24]	Ouyang Dan, Wang Pengfei, Yuan Xinhu, et al. Experimental study on the synergistic dust reduction of MNBs and surfactants[J]. Process Safety and Environmental Protection, 2024, 183(3): 757-770. doi: 10.1016/j.psep.2023.12.068
[25]	王鹏飞, 邬高高, 袁新虎, 等. 微纳米气泡强化喷雾降尘试验研究[J]. 煤炭学报, 2022, 47(12): 4495-4503.
	Wang Pengfei, Wu Gaogao, Yuan Xinhu, et al. An enhanced spray dust suppression method by micro-nano bubbles[J]. Journal of China Coal Society, 2022, 47(12): 4495-4503.
[26]	袁新虎. 微纳米气泡与表面活性剂协同增效强化喷雾降尘实验研究[D]. 湘潭: 湖南科技大学, 2023.
	Yuan Xinhu. Experimental study of micro-nano bubbles andsurfactant synergistic enhancement of dustreduction by spraying[D]. Xiangtan: Hunan University of Science and Technology, 2023.
[27]	吴思成. 微纳米气泡一体化氧化脱除烟气中CO、NO_x和SO₂的研究[D]. 上海: 东华大学, 2022.
	Wu Sicheng. Integrated oxidative removal of CO,NO_x and SO₂ from flue gas by micro-nano bubbles[D]. Shanghai: Donghua University, 2022.
[28]	岳基伟, 廖杰, 张雷林, 等. 微纳米气泡水对煤体的润湿特性及其增润机制[J/OL]. 煤炭学报: 1-16.[2025-02-20].https://doi.org/10.13225/j.cnki.jccs.2024.1438.
	Yue Jiwei, Liao Jie, Zhang Leilin, et al. Wetting characteristics of micro nano bubble water on coal body and its moistening mechanism[J]. Journal of China Coal Society: 1-16.[2025-02-20].https://doi.org/10.13225/j.cnki.jccs.2024.1438.
[29]	Tsutomu H, Yoshio N. Properties of O-2(center dot-) and OH center dot formed in TiO₂ aqueous suspensions byphotocatalytic reaction and the influence of H₂O₂ and some ions[J]. Langmuir: The ACS Journal of Surfaces and Colloids, 2002, 18(8): 3247-3254. doi: 10.1021/la015685a
[30]	卢成龙, 常红, 孙福红. 环境水体中自由基的检测技术研究进展[J]. 环境工程技术学报, 2022, 12(1): 70-80.
	Lu Chenglong, Chang Hong, Sun Fuhong. Progress on the detection technology of free radicals in waters[J]. Journal of Environmental Engineering Technology, 2022, 12(1): 70-80.
[31]	孙乐, 张锋华, 杨卫民. 微纳米气泡形成羟基自由基的研究进展[J]. 净水技术, 2021, 40(2): 37-41.
	Sun Le, Zhang Fenghua, Yang Weimin. Research progress of hydroxyl radicals formed by micro-nanobubble[J]. Water Purification Technol-ogy, 2021, 40(2): 37-41.
[32]	Wang Wanting, Fan Wei, Huo Mingxin, et al. Hydroxyl radical generation and contaminant removal from water by the collapse of microbubbles under different hydrochemical conditions[J]. Water, Air, & Soil Pollution, 2018, 229(3): 1-11.
[33]	Jin Juan, Wang Ru, Tang Jian, et al. Dynamic tracking of bulk nanobubbles from microbubbles shrinkage to collapse[J]. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2020, 589(1): 124 430-124 442.
[34]	吴思成, 李登新, 孙红蕊, 等. 微纳米气液分散体系氧化吸收CO[J]. 应用化工, 2022, 51(4): 928-932.
	Wu Sicheng, Li Dengxin, Sun Hongrui, et al. Removal of CO by gas-liquid dispersion system of micro-nano bubbles[J]. Applied Chemical Industry, 2022, 51(4): 928-932.
[35]	Masayoshi T, Yasuyuki S, Shigetoshi S. Free-radical generation from bulk nanobubbles in aqueous electrolyte solutions: ESR spin-trap observation of microbubble-treated water[J]. Langmuir: the ACS Journal of Surfaces and Colloids, 2021, 37(16): 5005-5012. doi: 10.1021/acs.langmuir.1c00469
[36]	李德烈, 张晓, 张玉玲, 等. 体相微纳米气泡理化特性研究进展[J]. 广州化工, 2025, 53(6): 1-5.
	Li Delie, Zhang Xiao, Zhang Yuling, et al. Physicochemical properties of bulk micro nano bubbles[J]. Guangzhou Chemical Industry, 2025, 53(6): 1-5.

静置时间/min	5	15	25	35	45
自来水/(°)
自来水/(°)	83.94	77.35	73.05	67.04	57.01
微纳米气泡水/(°)
微纳米气泡水/(°)	80.22	71.62	64.75	52.43	42.11

用水量/L	CO进气流量/(L/min)
用水量/L	0.3	0.5	0.8
14	51.8	48.83	39.92
16	54.18	50.11	41.02
18	57.13	51.21	42.44
20	59.85	54.82	44.73
22	61.04	57.63	47.89
24	64.27	58.63	49.25