Effect of the sudden change of ambient atmosphere on free radicals in coal body by CO₂ fire prevention gas injection

References

• Cai, J. W., S. Q. Yang, W. C. Zheng, W. X. Song, and R. Gupta. 2021. Dissect the capacity of low-temperature oxidation of coal with different metamorphic degrees. Fuel 292. doi:10.1016/j.fuel.2021.120256.
   Web of Science ®Google Scholar
• Chen, L., X. Qi, Y. Zhang, H. Xin, and Z. Liang. 2021. Reaction activity and mechanism of R-3-CH structure oxidation in coal self-heating. Fuel 290:119797. doi:10.1016/j.fuel.2020.119797.
   Web of Science ®Google Scholar
• Deng, J., L. F. Ren, L. Ma, C. K. Lei, G. M. Wei, and W. F. Wang. 2018. Effect of oxygen concentration on low-temperature exothermic oxidation of pulverized coal. Thermochimica Acta 667:102–10. doi:10.1016/j.tca.2018.07.012.
   Web of Science ®Google Scholar
• Gao, J., M. Chang, and J. Shen. 2017. Comparison of bituminous coal apparent activation energy in different heating rates and oxygen concentrations based on thermo gravimetric analysis. Journal of Thermal Analysis and Calorimetry 130 (2):1181–89. doi:10.1007/s10973-017-6487-x.
   Web of Science ®Google Scholar
• He, W. J., Z. Y. Liu, Q. Y. Liu, L. Shi, X. G. Shi, J. F. Wu, and X. J. Guo. 2017. Behavior of radicals during solvent extraction of three low rank bituminous coals. Fuel Processing Technology 156:221–27. doi:10.1016/j.fuproc.2016.10.029.
   Web of Science ®Google Scholar
• Jiang, X. Y., S. Q. Yang, B. Z. Zhou, Z. S. Hou, and C. S. Zhang. 2022. Effect of gas atmosphere change on radical reaction and indicator gas release during coal oxidation. Fuel 312. doi:10.1016/j.fuel.2021.122960.
   Web of Science ®Google Scholar
• Kus, J., M. Misz-Kennan, and Iccp. 2017. Coal weathering and laboratory (artificial) coal oxidation. International Journal of Coal Geology 171:12–36. doi:10.1016/j.coal.2016.11.016.
   Web of Science ®Google Scholar
• Lei, B., B. He, B. Xiao, P. Du, and B. Wu. 2020. Comparative study of single inert gas in confined space inhibiting open flame coal combustion. Fuel 265. doi:10.1016/j.fuel.2019.116976.
   PubMed Web of Science ®Google Scholar
• Levi, G., O. Senneca, M. Causa, P. Salatino, P. Lacovig, and S. Lizzit. 2015. Probing the chemical nature of surface oxides during coal char oxidation by high-resolution XPS. Carbon 90:181–96. doi:10.1016/j.carbon.2015.04.003.
   Web of Science ®Google Scholar
• Li, Z., B. Kong, A. Wei, Y. Yang, Y. Zhou, and L. Zhang. 2016. Free radical reaction characteristics of coal low-temperature oxidation and its inhibition method. Environmental Science and Pollution Research 23 (23):23593–605. doi:10.1007/s11356-016-7589-x.
   PubMed Web of Science ®Google Scholar
• Li, J., Z. Li, Y. Yang, Y. Duan, J. Xu, and R. Gao. 2019. Examination of CO, CO2 and active sites formation during isothermal pyrolysis of coal at low temperatures. Energy 185:28–38. doi:10.1016/j.energy.2019.07.041.
   Web of Science ®Google Scholar
• Li, J. H., Z. H. Li, Y. L. Yang, B. Kong, and C. J. Wang. 2018. Laboratory study on the inhibitory effect of free radical scavenger on coal spontaneous combustion. Fuel Processing Technology 171:350–60. doi:10.1016/j.fuproc.2017.09.027.
   Web of Science ®Google Scholar
• Li, J., Z. Li, Y. Yang, and X. Zhang. 2019. Study on the generation of active sites during low-temperature pyrolysis of coal and its influence on coal spontaneous combustion. Fuel 241:283–96. doi:10.1016/j.fuel.2018.12.034.
   Web of Science ®Google Scholar
• Liu, J. X., X. M. Jiang, J. Shen, and H. Zhang. 2014. Chemical properties of superfine pulverized coal particles. Part 1. Electron paramagnetic resonance analysis of free radical characteristics. Advanced Powder Technology 25 (3):916–25. doi:10.1016/j.apt.2014.01.021.
   Web of Science ®Google Scholar
• Liu, H., and F. Wang. 2019. Research on N2-inhibitor-water mist fire prevention and extinguishing technology and equipment in coal mine goaf. Plos One 14 (9):e0222003. doi:10.1371/journal.pone.0222003.
   PubMed Web of Science ®Google Scholar
• Lu, W., J. Li, J. Li, Q. He, W. Hao, and Z. Li. 2021. Oxidative kinetic characteristics of dried soaked coal and its related spontaneous combustion mechanism. Fuel 305. doi:10.1016/j.fuel.2021.121626.
   Web of Science ®Google Scholar
• Lu, W., X. Sun, L. Gao, X. Hu, H. Song, and B. Kong. 2022. Study on the characteristics and mechanism of DL-malic acid in inhibiting spontaneous combustion of lignite and bituminous coal. Fuel 308. doi:10.1016/j.fuel.2021.122012.
   Web of Science ®Google Scholar
• Ma, L., R. Guo, M. Wu, W. Wang, L. Ren, and G. Wei. 2020. Determination on the hazard zone of spontaneous coal combustion in the adjacent gob of different mining stages. Process Safety and Environmental Protection 142:370–79. doi:10.1016/j.psep.2020.06.035.
   Web of Science ®Google Scholar
• Qi, X., L. Chen, L. Zhang, C. Bai, H. Xin, and Z. Rao. 2019. In situ FTIR study on real-time changes of active groups during lignite reaction under low oxygen concentration conditions. Journal of the Energy Institute 92 (5):1557–66. doi:10.1016/j.joei.2018.07.018.
   Web of Science ®Google Scholar
• Qi, X., Y. Li, L. Chen, J. Tang, H. Xin, and Z. Liang. 2020. Reaction mechanism of aldehyde groups during coal self-heating. ACS Omega 5 (36):23184–92. doi:10.1021/acsomega.0c02952.
   PubMed Web of Science ®Google Scholar
• Su, H. T., F. B. Zhou, J. S. Li, and H. N. Qi. 2017. Effects of oxygen supply on low-temperature oxidation of coal: A case study of Jurassic coal in Yima, China. Fuel 202:446–54. doi:10.1016/j.fuel.2017.04.055.
   Web of Science ®Google Scholar
• Tang, Y., and H. Wang. 2019. Experimental investigation on microstructure evolution and spontaneous combustion properties of secondary oxidation of lignite. Process Safety and Environmental Protection 124:143–50. doi:10.1016/j.psep.2019.01.031.
   Web of Science ®Google Scholar
• Tang, Z., G. Xu, S. Yang, J. Deng, Q. Xu, and P. Chang. 2021. Fire-retardant foam designed to control the spontaneous combustion and the fire of coal: Flame retardant and extinguishing properties. Powder Technology 384:258–66. doi:10.1016/j.powtec.2021.02.024.
   Web of Science ®Google Scholar
• Wang, K., P. Gao, W. Sun, H. Fan, Y. He, and T. Han. 2020. Thermal behavior of the low-temperature secondary oxidation of coal under different pre-oxidation temperatures. Combustion Science and Technology 194 (8):1712–29. doi:10.1080/00102202.2020.1828378.
   Web of Science ®Google Scholar
• Wang, Y. X., W. F. Huang, Z. H. Li, L. P. Chang, D. F. Li, R. C. Chen, Q. Lv, Y. X. Zhao, and B. L. Lv. 2021. Small furnace for the small angle X-ray scattering (SAXS) and wide angle X-ray scattering (WAXS) characterization of the high temperature carbonization of coal. Instrumentation Science & Technology 49 (4):445–56. doi:10.1080/10739149.2021.1881538.
   Web of Science ®Google Scholar
• Wang, K., L. H. Hu, J. Deng, and Y. N. Zhang. 2023. Multiscale thermal behavioral characterization of spontaneous combustion of pre-oxidized coal with different air exposure time. Energy 262. doi:10.1016/j.energy.2022.125397.
   PubMed Web of Science ®Google Scholar
• Wang, C. P., Y. Xiao, Q. W. Li, J. Deng, and K. Wang. 2018. Free radicals, apparent activation energy, and functional groups during low-temperature oxidation of Jurassic coal in Northern Shaanxi. International Journal of Mining Science and Technology 28 (3):469–75. doi:10.1016/j.ijmst.2018.04.007.
   Web of Science ®Google Scholar
• Wu, Z. Y., S. S. Hu, S. G. Jiang, X. J. He, H. Shao, K. Wang, D. Q. Fan, and W. R. Li. 2018. Experimental study on prevention and control of coal spontaneous combustion with heat control inhibitor. Journal of Loss Prevention in the Process Industries 56:272–77. doi:10.1016/j.jlp.2018.09.012.
   Web of Science ®Google Scholar
• Xi, Z. L., K. Xi, L. P. Lu, and M. M. Zhang. 2023. Study on oxidation characteristics and conversion of sulfur-containing model compounds in coal. Fuel 331. doi:10.1016/j.fuel.2022.125756.
   PubMed Web of Science ®Google Scholar
• Xu, Q., S. Yang, W. Yang, Z. Tang, X. Hu, W. Song, B. Zhou, and K. Yang. 2021. Secondary oxidation of crushed coal based on free radicals and active groups. Fuel 290. doi:10.1016/j.fuel.2020.120051.
   Web of Science ®Google Scholar
• Yang, Z. C., Q. Teng, Y. Q. Han, G. Y. Zhang, and S. H. Fang. 2023. New insights into the combination of Fe(III) and xanthan gum in dewatering of coal slurry: Molecular self-assembly. Fuel 332. doi:10.1016/j.fuel.2022.126205.
   Web of Science ®Google Scholar
• Zhang, Y., Y. Liu, X. Shi, C. Yang, W. Wang, and Y. Li. 2018. Risk evaluation of coal spontaneous combustion on the basis of auto-ignition temperature. Fuel 233:68–76. doi:10.1016/j.fuel.2018.06.052.
   Web of Science ®Google Scholar
• Zhou, Q. Q., Q. Y. Liu, L. Shi, Y. X. Yan, and Z. Y. Liu. 2017. Behaviors of coking and radicals during reaction of volatiles generated from fixed-bed pyrolysis of a lignite and a subbituminous coal. Fuel Processing Technology 161:304–10. doi:10.1016/j.fuproc.2017.01.040.
   Web of Science ®Google Scholar
• Zhou, X., Y. Yang, K. Zheng, G. Miao, M. Wang, and P. Li. 2021. Study on the spontaneous combustion characteristics and prevention technology of coal seam in overlying close goaf. Combustion Science and Technology 194:2233–54. doi:10.1080/00102202.2020.1863953.
   Web of Science ®Google Scholar
• Zhu, H., Y. Huo, S. Fang, X. He, W. Wang, and Y. Zhang. 2020. Quantum chemical calculation of original aldehyde groups reaction mechanism in coal spontaneous combustion. Energy & Fuels 34 (11):14776–85. doi:10.1021/acs.energyfuels.0c02474.
   Web of Science ®Google Scholar
• Zhu, J., Z. Zhu, H. Zhang, H. Lu, and Y. Qiu. 2019. Calcined CoAl-layered double hydroxide as a heterogeneous catalyst for the degradation of acetaminophen and rhodamine B: Activity, stability, and mechanism. Environmental Science and Pollution Research 26 (32):33329–40. doi:10.1007/s11356-019-06390-6.
   PubMed Web of Science ®Google Scholar