scholarly journals Granulation of Fe–Al–Ce hydroxide nano-adsorbent by immobilization in porous polyvinyl alcohol for fluoride removal in drinking water

2011 ◽  
Vol 209 (1-3) ◽  
pp. 92-97 ◽  
Author(s):  
Hai-Xia Wu ◽  
Ting-Jie Wang ◽  
Lin Chen ◽  
Yong Jin ◽  
Yu Zhang ◽  
...  
Keyword(s):  
Drinking Water ◽  
Polyvinyl Alcohol ◽  
Fluoride Removal ◽  
Nano Adsorbent

Synthesis and properties of a magnetic core–shell composite nano-adsorbent for fluoride removal from drinking water

2014 ◽  
Vol 317 ◽  
pp. 552-559 ◽  
Author(s):  
Chang Zhang ◽  
Lin Chen ◽  
Ting-Jie Wang ◽  
Chao-Li Su ◽  
Yong Jin
Keyword(s):  
Drinking Water ◽  
Magnetic Core ◽  
Fluoride Removal ◽  
Core Shell ◽  
Shell Composite ◽  
Nano Adsorbent

Fe―Ti oxide nano-adsorbent synthesized by co-precipitation for fluoride removal from drinking water and its adsorption mechanism

2012 ◽  
Vol 227 ◽  
pp. 3-8 ◽  
Author(s):  
Lin Chen ◽  
Bo-Yang He ◽  
Shuai He ◽  
Ting-Jie Wang ◽  
Chao-Li Su ◽  
...  
Keyword(s):  
Drinking Water ◽  
Adsorption Mechanism ◽  
Fluoride Removal ◽  
Co Precipitation ◽  
Nano Adsorbent

scholarly journals Granulation of Fe–Al–Ce nano-adsorbent for fluoride removal from drinking water by spray coating on sand in a fluidized bed

2009 ◽  
Vol 193 (1) ◽  
pp. 59-64 ◽  
Author(s):  
Lin Chen ◽  
Hai-Xia Wu ◽  
Ting-Jie Wang ◽  
Yong Jin ◽  
Yu Zhang ◽  
...  
Keyword(s):  
Drinking Water ◽  
Fluidized Bed ◽  
Spray Coating ◽  
Fluoride Removal ◽  
Nano Adsorbent

Aluminum (hydr)oxide coated pumice for fluoride removal from drinking water: Synthesis, equilibrium, kinetics and mechanism

2013 ◽  
Vol 228 ◽  
pp. 63-74 ◽  
Author(s):  
A. Salifu ◽  
B. Petrusevski ◽  
K. Ghebremichael ◽  
L. Modestus ◽  
R. Buamah ◽  
...  
Keyword(s):  
Drinking Water ◽  
Kinetics And Mechanism ◽  
Fluoride Removal

scholarly journals Sustainable Conversion of Agriculture and Food Waste into Activated Carbons Devoted to Fluoride Removal from Drinking Water in Senegal

2015 ◽  
Vol 8 (1) ◽  
pp. 8 ◽  
Author(s):  
Mohamad M. Diémé ◽  
Maxime Hervy ◽  
Saïdou N. Diop ◽  
Claire Gérente ◽  
Audrey Villot ◽  
...  
Keyword(s):  
Drinking Water ◽  
Activated Carbon ◽  
Activated Carbons ◽  
Public Health Problem ◽  
Calcium Content ◽  
Fluoride Removal ◽  
Carbonaceous Materials ◽  
Water Steam ◽  
Surface Areas ◽  
Fluoride Adsorption

<p>The objective of this study was to investigate the production of activated carbons (AC) from cashew shells, and millet stalks and their efficiency in fluoride retention. These agricultural residues are collected from Senegal. It is known that some regions of Sénégal, commonly called the groundnut basin, are affected by a public health problem caused by an excess of fluoride in drinking water used by these populations. The activated carbons were produced by a combined pyrolysis and activation with water steam; no other chemical compounds were added. Then, activated carbonaceous materials obtained from cashew shells and millet stalks were called CS-H<sub>2</sub>O and MS-H<sub>2</sub>O respectively. CS-H<sub>2</sub>O and MS-H<sub>2</sub>O show very good adsorbent features, and present carbon content ranges between 71 % and 86 %. The BET surface areas are 942 m² g<sup>-1</sup> and 1234 m².g<sup>-1</sup> for CS-H<sub>2</sub>O and MS-H<sub>2</sub>O respectively. A third activated carbon produced from food wastes and coagulation-flocculation sludge (FW/CFS-H<sub>2</sub>O) was produced in the same conditions. Carbon and calcium content of FW/CFS-H<sub>2</sub>O are 32.6 and 39.3 % respectively. The kinetics sorption were performed with all these activated carbons, then the pseudo-first equation was used to describe the kinetics sorption. Fluoride adsorption isotherms were performed with synthetic and natural water with the best activated carbon from kinetics sorption, Langmuir and Freundlich models were used to describe the experimental data. The results showed that carbonaceous materials obtained from CS-H<sub>2</sub>O and MS-H<sub>2</sub>O were weakly efficient for fluoride removal. With FW/CFS-H<sub>2</sub>O, the adsorption capacity is 28.48 mg.g<sup>-1 </sup>with r² = 0.99 with synthetic water.</p>

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