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• 地球物理·勘查技术 • Previous Articles    

Study on the Preparation of Active TiO2 and Its Performance for Remediation of Fluoride Ion (F-) Contaminated Groundwater

JI Gui-juan1, ZHAO Yong-sheng2   

  1. 1.College of Chemistry,Jilin Univerrsity,Changchun 130026,China;2.College of Environment and Resourses, Jilin University, Changchun 130026,China
  • Received:2005-03-14 Revised:1900-01-01 Online:2006-01-26 Published:2006-01-26
  • Contact: JI Gui-juan

Abstract: Influences on removal of F- contaminated groundwater by active TiO2 were discussed depending on stationary and dynamic adsorption experiments. Parameters which are the amount of active TiO2, resident time, and acidity etc. were considered. The experimental results indicated that in stationary experiments, 0.3 g active TiO2 added to 50 mL 10 mg/L F- contained groundwater, and with 15 min resident time, removal efficiency of F- is more than 90%. Moreover, pH of the sample has not changed. In the dynamic experiments, 0.3 g active TiO2 and 120 g gravel can treat 150 mL groundwater, and the removal efficiency of F- is also more than 90%. Both of them are satisfied the drinking water standard. Therefore，the active TiO2 can remove F- in groundwater efficiently.

Key words: active TiO2, groundwater, fluoride ion (F-)

CLC Number: 

  • O652.1
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