Chen Fengjie, Zhou Zejun, Liang Ying, Liu Xiaowen, Wang Xiaoguang, Wang Pu, Chen Bolei, Liang Yong, Wang Yawei
State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, People's Republic of China.
State Key Laboratory of Environmental Chemistry and Eco-toxicology, Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing 100085, People's Republic of China.
R Soc Open Sci. 2025 Jan 8;12(1):241250. doi: 10.1098/rsos.241250. eCollection 2025 Jan.
Water stemming is an efficient method of removing blasting dust by wetting. There is still a lack of methods for rapid optimization of water stemming components with high wettability. Herein, blasting dust was collected from a tunnel in Chongqing (China) to investigate its removal performance by different water stemmings. The two most important components of blasting dust were SiO and CaCO by characterization analysis. Notably, hydrophilic blasting dust has significantly more SiO than hydrophobic blasting dust. The density functional theory calculation predicted the wettability of water stemming containing sucrose fatty acid ester (SE) higher than that of water stemming containing other surfactants. Moreover, the water contact angle and surface tension experiments determined the addition of inorganic salts to the water stemming containing SE could increase its wettability, with the addition of Al giving the best performance. The sink test and water retention experiment further prove that our synthesized water stemming has a good wetting ability on both hydrophobic and hydrophilic blasting dust. The findings of this study advance the development of reliable methods for optimizing water stemming with high wettability for removing the blasting dust.
水炮泥是一种通过湿润去除爆破粉尘的有效方法。目前仍缺乏快速优化具有高润湿性的水炮泥成分的方法。在此，从中国重庆的一条隧道收集爆破粉尘，以研究不同水炮泥对其的去除性能。通过表征分析可知，爆破粉尘的两个最重要成分是二氧化硅（SiO）和碳酸钙（CaCO）。值得注意的是，亲水性爆破粉尘中的二氧化硅比疏水性爆破粉尘中的显著更多。密度泛函理论计算预测，含蔗糖脂肪酸酯（SE）的水炮泥的润湿性高于含其他表面活性剂的水炮泥。此外，水接触角和表面张力实验表明，向含SE的水炮泥中添加无机盐可提高其润湿性，添加铝的效果最佳。水槽试验和保水实验进一步证明，我们合成的水炮泥对疏水性和亲水性爆破粉尘均具有良好的湿润能力。本研究结果推动了开发可靠方法以优化具有高润湿性的水炮泥来去除爆破粉尘的进展。
