[1] [1] Manna S, Roy D, Adhikari B, et al. Biomass for water defluoridation and current understanding on biosorption mechanisms: a review［J］.Environmental Progress & Sustainable Energy,2018,37(5):1560-1572.

[2] [2] Singh J, Singh P, Singh A. Fluoride ions vs removal technologies: a study［J］.Arabian Journal of Chemistry,2016,9(6):815-824.

[4] [4] Ayoob S, Gupta A K, Bhat V T. A conceptual overview on sustainable technologies for the defluoridation of drinking water［J］.Critical Reviews in Environmental Science & Technology,2008,38(6):401-470.

[12] [12] Loganathan P, Vigneswaran S, Kandasamy J, et al. Defluoridation of drinking water using adsorption processes［J］.Journal of Hazardous Materials,2013,248(3):1-19.

[13] [13] Sivasankar V, Murugesh S, Rajkumar S, et al. Cerium dispersed in carbon (CeDC) and its adsorption behavior: a first example of tailored adsorbent for fluoride removal from drinking water［J］.Chemical Engineering Journal,2013,214:45-54.

[16] [16] Rafique T, Anas M, Chadhar K M, et al. Defluoridation of water by wasted red brick paving blocks［J］.Desalination and Water Treatment,2018,108:207-215.

[18] [18] Workeneh K, Zereffa E A, Segne T A, et al. Eggshell-derived nanohydroxyapatite adsorbent for defluoridation of drinking water from bofo of ethiopia［J］.Journal of Nanomaterials,2019, https://doi.org/10.1155/2019/2458312.