EFFICIENCY OF GRANULAR FERRIC HYDROXIDE (GFH) FOR REMOVAL OF FLUORIDE FROM WATER

被引：0
|
作者：
Shams, Mahmoud [1 ]
Nodehi, Ramin Nabizadeh [1 ]
Dehghani, Mohamad Hadi [1 ]
Younesian, Masoud [1 ]
Mahvi, Amir Hossein [1 ]
机构：
[1] Univ Tehran Med Sci, Sch Publ Hlth, Environm Res Ctr, Tehran, Iran
来源：
FLUORIDE | 2010年 / 43卷 / 01期
关键词：
Fluoride removal; Granular ferric hydroxide (GFH); Water treatment; ADSORPTION; KINETICS; GROUNDWATER; DASHTESTAN; SORPTION;
D O I：
暂无
中图分类号：
R1 [预防医学、卫生学];
学科分类号：
1004 ; 120402 ;
摘要：
Granular ferric hydroxide (GFH), a combination of poorly crystallized FeOOH, was investigated for removal of fluoride (F) from water. Adsorption was studied in batch experiments at room temperature together with the effect of contact time, pH, initial F concentration, and SO42- and Cl- as interfering anions. Lower pH with higher initial F concentration and longer contact time increased the F removal efficiency. In the absence of interfering anions, maximum removal of F approaching 88 percent was achieved at pH 6 after 30 min from water containing 7 mg F/L. Considering economic and feasibility aspects, adsorption of F with GFH is recommended as a successful method of F removal from water and wastewater treatment plants.
引用
收藏
页码：61 / 66
页数：6
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