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IJCT Vol.11(3) [May 2004] >

Title: Removal of fluoride ion from aqueous bodies by aluminium complexed amino phosphonic acid type resins
Authors: Bhatt, Dharmesh B
Bhatt, Prashant R
Prasad, H Hari
Popat, Kirit M
Anand, Pritpal Singh
Keywords: Fluoride removal
Purolite S940
Purolite S950
Duolite ES467
Freundlich equation
Langmuir equation
Lagergan equation
Issue Date: May-2004
Publisher: CSIR
IPC Code(C02F 1/28, 101:14)
Abstract: Three resins, namely Purolite S940, Purolite S950 and Duolite ES 467 were studied for the removal of fluoride ion under different equilibrium conditions. The adsorption data of Purolite S940 and Purolite S950 closely fitted in Freundlich and Langmuir equations, respectively. Validity of the Lagergan equation for the sorption of fluoride ion was proved and the data showed that the process followed first order kinetics. The performance of Purolite S940 and Purolite S950 showed good promise for removing fluoride from water whereas the performance of Duolite ES467 was comparatively poor under dynamic conditions.
Page(s): 299-303
ISSN: 0975-0991 (Online); 0971-457X (Print)
Source:IJCT Vol.11(3) [May 2004]

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