Natural zeolites from Ethiopia for elimination of fluoride from drinking water
作者: Luis Gómez-HortigüelaJoaquín Pérez-ParienteRaquel GarcíaYonas ChebudeIsabel Díaz
作者单位: 1Instituto de Catálisis y Petroleoquímica-CSIC, C/Marie Curie 2, 28049 Cantoblanco, Madrid, Spain
2Chemistry Department, Addis Ababa University, Addis Ababa, Ethiopia
刊名: Separation and Purification Technology, 2013, Vol.120 , pp.224-229
来源数据库: Elsevier Journal
DOI: 10.1016/j.seppur.2013.10.006
关键词: Natural zeoliteDefluoridationFluoride adsorptionFluorosisGroundwater
英文摘要: Abstract(#br)Zeolites and fluoride-rich groundwaters are both usually associated to volcanic regions, and hence in this work we study natural zeolites as fluoride-adsorbents in order to develop a cheap and locally-available fluorosis mitigation technology. The defluoridation capacities of eleven samples originally from Ethiopia are studied as raw materials, without any treatment. Results show that one of the samples, containing mainly analcime and mordenite zeolites, has a maximum defluoridation capacity of 0.47mg(F − )/g; interestingly, this adsorbent is able to reduce the fluoride concentration beyond the safe limit established by the World Health Organization of 1.5mg/L. In addition, desorption of fluoride from the adsorbent is easily and...
全文获取路径: Elsevier  (合作)
影响因子:2.894 (2012)

  • fluoride 氟化物
  • adsorption 吸附
  • elimination 排出
  • water 
  • drinking 
  • Ethiopia 埃塞俄比亚