NISCAIR Online Periodicals Repository

NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR)  >
NISCAIR PUBLICATIONS >
Research Journals >
Indian Journal of Chemical Technology (IJCT) >
IJCT Vol.18 [2011] >
IJCT Vol.18(4) [July 2011] >


Title: A comprehensive treatment method for defluoridation of drinking water
Authors: Babu, C Anand
Sujish, D
Murugappa, M S
Mohanakrishnan, G
Kalyanasundaram, P
Raj, Baldev
Keywords: Fluoride
Drinking water
Defluoridation
Issue Date: Jul-2011
Publisher: NISCAIR-CSIR, India
Abstract: The fluoride concentration in ground water is increasing at an alarming rate. Poor ground water recharge, excessive consumption of water and other geological factors contribute to this effect. Conventional reverse osmosis (RO) membrane system has failed because fluoride concentration in permeate is not consistently below 1 mg/L. Moreover, the reject stream of the RO process containing higher fluoride concentration is left untreated. A treatment method has been devised with an objective to reduce fluoride concentration to less than 1 mg/L from fluoride contaminated water using calcium carbonate pretreatment and reverse osmosis. Also a passive adsorption system to treat the reject stream of membrane process has been developed wherein the fluoride concentration in the final effluent is below ambient concentration. This combined system can be used to treat fluoride contaminated water without generating secondary wastes.
Page(s): 314-318
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-0991 (Online); 0971-457X (Print)
Source:IJCT Vol.18(4) [July 2011]

Files in This Item:

File Description SizeFormat
IJCT 18(4) 314-318.pdf135.2 kBAdobe PDFView/Open
 Current Page Visits: 785 
Recommend this item

 

National Knowledge Resources Consortium |  NISCAIR Website |  Contact us |  Feedback

Disclaimer: NISCAIR assumes no responsibility for the statements and opinions advanced by contributors. The editorial staff in its work of examining papers received for publication is helped, in an honorary capacity, by many distinguished engineers and scientists.

CC License Except where otherwise noted, the Articles on this site are licensed under Creative Commons License: CC Attribution-Noncommercial-No Derivative Works 2.5 India

Copyright © 2012 The Council of Scientific and Industrial Research, New Delhi. All rights reserved.

Powered by DSpace Copyright © 2002-2007 MIT and Hewlett-Packard | Compliant to OAI-PMH V 2.0

Home Page Total Visits: 513350 since 06-Feb-2009  Last updated on 21-Apr-2014Webmaster: nopr@niscair.res.in