References

1. L. Pan, P. Liu, L. Ma, Z. Li, A supply chain based assessment of water issues in the coal industry in China, Energy Policy, 48 (2012) 93–102.
2. P. Cui, Y. Qian, S. Yang, New water treatment index system toward zero liquid discharge for sustainable coal chemical processes, ACS Sustainable Chem. Eng., 6 (2017) 1370–1378.
3. Q. Zhao, Y. Liu, State of the art of biological processes for coal gasification wastewater treatment, Biotechnol. Adv., 34 (2016) 1064–1072.
4. Q. Ji, S. Tabassum, S. Hena, C.G. Silva, G. Yu, Z. Zhang, A review on the coal gasification wastewater treatment technologies: past, present and future outlook, J. Cleaner Prod., 126 (2016) 38–55.
5. H.J. Gai, Y.R. Feng, K.Q. Lin, K. Guo, M. Xiao, H.B. Song, X.L. Chen, H. Zhou, Heat integration of phenols and ammonia recovery process for the treatment of coal gasification wastewater, Chem. Eng. J., 327 (2017) 1093–1101.
6. G. Busca, S. Berardinelli, C. Resini, L. Arrighi, Technologies for the removal of phenol from fluid streams: a short review of recent developments, J. Hazard. Mater., 160 (2008) 265–288.
7. S. Jia, H. Han, H. Zhuang, B. Hou, K. Li, Impact of high external circulation ratio on the performance of anaerobic reactor treating coal gasification wastewater under thermophilic condition, Bioresour. Technol., 192 (2015) 507–513.
8. W. Wang, H. Han, Recovery strategies for tackling the impact of phenolic compounds in a UASB reactor treating coal gasification wastewater, Bioresour. Technol., 103 (2012) 95–100.
9. M. Tong, Pretreatment of Lurgi pressurized coal gasification wastewater by ozone oxidation, Chem. World, 57 (2016) 436–439.
10. P. Li, N. Ailijiang, X. Cao, T. Lei, P. Liang, X. Zhang, X. Huang, J. Teng, Pretreatment of coal gasification wastewater by adsorption using activated carbons and activated coke, Colloids Surf., A, 482 (2015) 177–183.
11. H. An, Z. Liu, X. Cao, J. Teng, W. Miao, J. Liu, R. Li, P. Li, Mesoporous lignite-coke as an effective adsorbent for coal gasification wastewater treatment, Environ. Sci. Water Res. Technol., 3 (2017) 169–174.
12. A. Alshameri, H.P. He, J.X. Zhu, Y.F. Xi, R.L. Zhu, L.Y. Ma, Q. Tao, Adsorption of ammonium by different natural clay minerals: characterization, kinetics and adsorption isotherms, Appl. Clay Sci., 159 (2018) 83–93.
13. F.A. Banat, B. Al-Bashir, S. Al-Asheh, O. Hayajneh, Adsorption of phenol by bentonite, Environ. Pollut., 107 (2000) 391–398.
14. E. Bojemueller, A. Nennemann, G. Lagaly, Enhanced pesticide adsorption by thermally modified bentonites, Appl. Clay Sci., 18 (2001) 277–284.
15. W. Ma, Y. Han, C. Xu, H. Han, H. Zhu, K. Li, M. Zheng, Biotoxicity assessment and toxicity mechanism on coal gasification wastewater (CGW): a comparative analysis of effluent from different treatment processes, Sci. Total Environ., 637–638 (2018) 1–8.
16. T. He, J.Q. Hua, R.P. Chen, L. Yu, Adsorption characteristics of methylene blue by a dye-degrading and extracellular polymeric substance-producing strain, J. Environ. Manage., 288 (2021) 112446, doi: 10.1016/j.jenvman.2021.112446.
17. M. Kah, G. Sigmund, F. Xiao, T. Hofmann, Sorption of ionizable and ionic organic compounds to biochar, activated carbon and other carbonaceous materials, Water Res., 124 (2017) 673–692.
18. W. Ma, Y. Han, C. Xu, H. Han, W. Ma, H. Zhu, K. Li, D. Wang, Enhanced degradation of phenolic compounds in coal gasification wastewater by a novel integration of microelectrolysis with biological reactor (MEBR) under the microoxygen condition, Bioresour. Technol., 251 (2018) 303–310.
19. P. Xu, H. Han, B. Hou, S. Jia, Q. Zhao, Treatment of coal gasification wastewater by a two-phase anaerobic digestion, Desal. Water Treat., 54 (2014) 598–608.
20. Q. Ji, S. Tabassum, G. Yu, C. Chu, Z. Zhang, A high efficiency biological system for treatment of coal gasification waste water – a key in-depth technological research, RSC Adv., 5 (2015) 40402–40413.
21. J.R. Helms, A. Stubbins, J.D. Ritchie, E.C. Minor, D.J. Kieber, K. Mopper, Absorption spectral slopes and slope ratios as indicators of molecular weight, source, and photobleaching of chromophoric dissolved organic matter, Limnol. Oceanogr., 53 (2008) 955–969.
22. W. Zhang, C. Wei, B. Yan, M. Ren, P. Peng, Composition characterization of dissolved organic matters in coking wastewater, Environ. Chem., 31 (2012) 702–707.
23. K. Xiao, S. Liang, A.H. Xiao, T. Lei, J.H. Tan, X.M. Wang, X. Huang, Fluorescence quotient of excitation-emission matrices as a potential indicator of organic matter behavior in membrane bioreactors, Environ. Sci. Water Res. Technol., 4 (2018) 281–290.
24. W. Chen, P. Westerhoff, J.A. Leenheer, K. Booksh, Fluorescence excitation−emission matrix regional integration to quantify spectra for dissolved organic matter, Environ. Sci. Technol., 37 (2003) 5701–5710.
25. L. Feng, C. Xin, Direct determination of phenol in environmental water by fluorescence spectrophotometry, Spectrolabo, 19 (2002) 267–269.
26. W.J. Dong, J.P. Song, C. Dong, M.M.F. Choi, Fluorescence quenching method for the determination of catechol with gold nanoparticles and tyrosinase hybrid system, Chin. Chem. Lett., 21 (2010) 346–348.