Enrichment characteristic and leaching risk of harmful elements in carbon-ash separation products of coal gasification fine slag

References

• Bernasconi, D., C. Caviglia, E. Destefanis, A. Agostino, R. Boero, N. Marinoni, C. Bonadiman, and A. Pavese. 2022. Influence of speciation distribution and particle size on heavy metal leaching from MSWI fly ash. Waste Management 138:318–327. doi:10.1016/j.wasman.2021.12.008.
   PubMed Web of Science ®Google Scholar
• Bunt, J. R., and F. B. Waanders. 2008. Trace element behaviour in the Sasol–Lurgi MK IV FBDB gasifier. Part 1 – the volatile elements: Hg, As, Se, Cd and Pb. Fuel 87 (12):2374–87. doi:10.1016/j.fuel.2008.01.017.
   Web of Science ®Google Scholar
• Bunt, J. R., and F. B. Waanders. 2009. Trace element behaviour in the Sasol–Lurgi MK IV FBDB gasifier. Part 2 – the semi-volatile elements: Cu, Mo, Ni and Zn. Fuel 88 (6):961–969. doi:10.1016/j.fuel.2008.10.041.
   Web of Science ®Google Scholar
• Dai, S. F. 2023. Inorganic geochemistry of coal. Elsevier Inc 277:104353. doi:10.1016/j.coal.2023.104353.
   Google Scholar
• Dai, S. F., R. B. Finkelman, D. French, J. C. Hower, I. T. Graham, and F. H. Zhao. 2021. Modes of occurrence of elements in coal: A critical evaluation. Earth Science Review 222:2021. doi:10.1016/j.earscirev.2021.103815.
   Web of Science ®Google Scholar
• Dai, S. F., V. V. Seredin, C. R. Ward, J. C. Hower, Y. W. Xing, W. G. Zhang, W. J. Song, and P. P. Wang. 2015. Enrichment of U–se–mo–re–V in coals preserved within marine carbonate successions: Geochemical and mineralogical data from the late permian guiding coalfield, Guizhou, China. Mineralium Deposita 50 (2):159–86. doi:10.1007/s00126-014-0528-1.
   Web of Science ®Google Scholar
• Dai, S. F., J. Y. Yang, C. R. Ward, J. C. Hower, H. D. Liu, T. M. Garrison, D. French, and J. M. K. O’Keefe. 2015. Geochemical and mineralogical evidence for a coal-hosted uranium deposit in the Yili Basin, Xinjiang, northwestern China. Ore Geology Reviews 70:1–30. doi:10.1016/j.oregeorev.2015.03.010.
   Web of Science ®Google Scholar
• Du, M. J., H. Liu, D. H. Hu, J. J. Huang, Z. Y. Liu, and Y. T. Fang. 2020. The leaching mechanism of heavy metals (Ni, Cd, As) in a gasification slag during acidification. Waste Management 114:17–24. doi:10.1016/j.wasman.2020.06.029.
   PubMed Web of Science ®Google Scholar
• Fan, X. T., P. P. Fan, X. D. Liu, Z. Y. Ren, W. R. Bao, J. C. Wang, L. P. Dong, and M. Q. Fan. 2022. Separation and physicochemical properties of residual carbon in gasification slag. Physicochemical Problems of Mineral Processing. 58. doi:10.37190/ppmp/154928.
   Web of Science ®Google Scholar
• Guo, Y., F. H. Guo, L. Zhou, Z. K. Guo, Z. K. Miao, H. Liu, X. X. Zhang, J. J. Wu, and Y. X. Zhang. 2021. Investigation on co-combustion of coal gasification fine slag residual carbon and sawdust char blends: Physiochemical properties, combustion characteristic and kinetic behavior. Fuel 292:2021. doi:10.1016/j.fuel.2021.120387.
   Web of Science ®Google Scholar
• Guo, Y., Y. X. Zhang, X. Zhao, J. Xu, G. F. Qiu, W. K. Jia, J. J. Wu, and F. H. Guo. 2022. Multifaceted evaluation of distribution, occurrence, and leaching features of typical heavy metals in different-sized coal gasification fine slag from Ningdong region, China: A case study. Science of the Total Environment 831:154726. doi:10.1016/j.scitotenv.2022.154726.
   PubMed Web of Science ®Google Scholar
• Hower, J. C., J. G. Groppo, U. M. Graham, C. R. Ward, I. J. Kostova, M. M. Maroto-Valer, and S. F. Dai. 2017. Coal-derived unburned carbons in fly ash: A review. International Journal of Coal Geology 179:11–27. doi:10.1016/j.coal.2017.05.007.
   Web of Science ®Google Scholar
• Hower, J. C., C. L. Senior, E. M. Suuberg, R. H. Hurt, J. L. Wilcox, and E. S. Olson. 2010. Mercury capture by native fly ash carbons in coal-fired power plants. Progress in Energy and Combustion Science 36 (4):510–29. doi:10.1016/j.pecs.2009.12.003.
   Web of Science ®Google Scholar
• Jiang, P., C. R. Xie, C. L. Luo, W. Meng, G. Yang, G.-S. Yu, Y. Gong, M. Xu, and T. Wu. 2021. Distribution and modes of occurrence of heavy metals in opposed multi-burner coal-water-slurry gasification plants. Fuel 303:121163. doi:10.1016/j.fuel.2021.121163.
   Web of Science ®Google Scholar
• Kostova, I., C. Vassileva, S. F. Dai, J. C. Hower, and D. Apostolova. 2013. Influence of surface area properties on mercury capture behaviour of coal fly ashes from some Bulgarian power plants. International Journal of Coal Geology 116:227–35. doi:10.1016/j.coal.2013.03.008.
   Web of Science ®Google Scholar
• Li, M. J., P. Li, J. Wu, D. G. Teng, G. L. Zhou, Y. J. Cao, and G. X. Fan. 2023. Directly application of waste cooking oil on the flotation of coal gasification fine slag. Fuel 331:2023. doi:10.1016/j.fuel.2022.125666.
   Web of Science ®Google Scholar
• Liu, S. Q., C. Qi, Z. Jiang, Y. J. Zhang, M. F. Niu, Y. Y. Li, S. F. Dai, and R. B. Finkelman. 2018. Mineralogy and geochemistry of ash and slag from coal gasification in China: A review. International Geology Review 60 (5–6):717–735. doi:10.1080/00206814.2017.1287013.
   Web of Science ®Google Scholar
• Liu, J., Z. Yang, X. Yan, D. Ji, Y. Yang, and L. Hu. 2015. Modes of occurrence of highly-elevated trace elements in superhigh-organic-sulfur coals. Fuel 156:190–197. doi:10.1016/j.fuel.2015.04.034.
   Web of Science ®Google Scholar
• Martin, S., K. Miroslava, K. Ivana, M. Frantiska, and P. Maria. 2010. The evaluation of geopolymer properties prepared by alkali activation of black coal ashes with high content of loss on ignition. Acta Montanistica Slovaca 15:277–82.
   Web of Science ®Google Scholar
• Olson, E. S., A. Azenkeng, J. D. Laumb, R. R. Jensen, S. A. Benson, and M. R. Hoffmann. 2009. New developments in the theory and modeling of mercury oxidation and binding on activated carbons in flue gas. Fuel Processing Technology 90 (11):1360–1363. doi:10.1016/j.fuproc.2009.08.006.
   Web of Science ®Google Scholar
• Peng, Y. L., C. Ni, G. X. Ma, W. Wang, and G. Y. Xie. 2017. Removal of organic carbon in coal-series kaolin using gravity separation. Energy Sources Part A-Recovery Utilization and Environmental Effects 39 (11):1153–58. doi:10.1080/15567036.2017.1307885.
   Web of Science ®Google Scholar
• Shi, X., M. Chu, J. F. Dong, M. X. Zhang, Y. F. Yuan, X. H. Wang. 2023. Combined morphology and dissociation characteristics of carbon-ash in fine ash particles of entrained flow gasification. Journal of China University of Mining and Technology 52:576–84.
   Google Scholar
• Sloss, L., and I. Smith 2000. Trace element emissions. IEA Coal Research Report. ISBN 92-9029-344-6.
   Google Scholar
• Son, Y. R., and S. J. Park. 2020. Preparation and characterization of mesoporous activated carbons from nonporous hard carbon via enhanced steam activation strategy. Materials Chemistry and Physics 242:122454. doi:10.1016/j.matchemphys.2019.122454.
   Web of Science ®Google Scholar
• Strugala-Wilczek, A., and K. Stanczyk. 2016. Leaching behaviour of metals from post-underground coal gasification cavity residues in water differing in mineralization. Fuel 173:106–14. doi:10.1016/j.fuel.2016.01.046.
   Web of Science ®Google Scholar
• Tang, Y., X. Guo, Q. Xie, R. B. Finkelman, S. Han, B. Huan, and X. Pan. 2018. Petrological characteristics and trace element partitioning of gasification residues from slagging entrained-flow gasifiers in Ningdong, China. Energy & Fuels 32 (3):3052–3067. doi:10.1021/acs.energyfuels.7b03647.
   Web of Science ®Google Scholar
• Wang, L., C. H. Zheng, Y. X. Zhang, T. Yue, W. G. Weng, H. T. Zhao, J. S. Zhou, and X. Gao. 2017. Speciation characteristics and mobility of trace elements across ultralow emission air pollution control devices. Energy & Fuels 31 (12):13963–13971. doi:10.1021/acs.energyfuels.7b02581.
   Web of Science ®Google Scholar
• Xue, Z. H., L. P. Dong, X. T. Fan, Z. Y. Ren, X. D. Liu, P. P. Fan, M. Q. Fan, W. R. Bao, and J. C. Wang. 2022. Physical and chemical properties of coal gasification fine slag and its carbon products by hydrophobic–hydrophilic separation. American Chemical Society Omega 7 (19):16484–93. doi:10.1021/acsomega.2c00484.
   PubMed Web of Science ®Google Scholar
• Yang, K., X. Zhao, X. He, and Z. Wei. 2022. Basic theory and key technology of multi⁃source coal⁃based solid waste for green backfilling. Journal of China Coal Society 47:4201–16.
   Google Scholar
• Yoshiie, R., Y. Taya, T. Ichiyanagi, Y. Ueki, and I. Naruse. 2013. Emissions of particles and trace elements from coal gasification. Fuel 108:67–72. doi:10.1016/j.fuel.2011.06.011.
   Web of Science ®Google Scholar
• Yu, W., H. L. Zhang, X. B. Wang, Z. U. Rahman, Z. C. Shi, Y. H. Bai, G. S. Wang, Y. Q. Chen, J. J. Wang, and L. J. Liu. 2022. Enrichment of residual carbon from coal gasification fine slag by spiral separator. Journal of Environmental Management 315:115149. doi:10.1016/j.jenvman.2022.115149.
   PubMed Web of Science ®Google Scholar
• Zhao, X., C. Zeng, Y. Mao, W. Li, Y. Peng, T. Wang, B. Eiteneer, V. Zamansky, and T. Fletcher. 2010. The surface characteristics and reactivity of residual carbon in coal gasification slag †. Energy & Fuels 24 (1):91–94. doi:10.1021/ef9005065.
   Web of Science ®Google Scholar
• Zhu, D. D., S. D. Miao, B. Xue, Y. S. Jiang, and C. D. Wei. 2019. Effect of coal gasification fine slag on the physicochemical properties of soil. Water Air and Soil Pollution 230 (7):2019. doi:10.1007/s11270-019-4214-x.
   Web of Science ®Google Scholar