Tehran University of Medical Sciences
Office of Vice-Chancellor for Global Strategies & International Affairs
International Human Capacity Development (IHCD)
Code : 9822-344142      Publish Date : Monday, January 12, 2015 Visit : 2216

Intl. Congress form | International Congress Report | International Congress Report For Students and Staff | 32nd Conference of the International Society for Fluoride Research, under the theme Fluorosis Preven...

32nd Conference of the International Society for Fluoride Research, under the theme Fluorosis Prevention: from Research at the Cellular Level to Mitigation
The report of 32nd Conference of the International Society for Fluoride Research, under the theme Fluorosis Prevention: from Research at the Cellular Level to Mitigation by REZA REZAEE
 
Application Code :
306-0214-0128
 
Created Date : Wednesday, December 10, 2014 12:07:24Update Date : Saturday, January 10, 2015 11:42:34IP Address : 5.237.83.236
Submit Date : Saturday, January 10, 2015 11:44:35Email : rezaee.eng@gmail.com
Personal Information
Name : REZA
Surname : REZAEE
School/Research center : School of Public Health
If you choose other, please name your Research center :  
Possition : student
Tel : +98-26-34502210
Information of Congress
Title of the Congress : 32nd Conference of the International Society for Fluoride Research, under the theme Fluorosis Prevention: from Research at the Cellular Level to Mitigation
Title of your Abstract : FABRICATION OF A GRAPHENE OXIDE DISPERSED POLYSULFONE NOFILTRATION MEMBRANE FOR FLUORIDE REMOVAL FROM WATER
country : CHIANG MAI, THAILAND
From : Tuesday, November 25, 2014
To : Friday, November 28, 2014
Abstract(Please copy/paste the abstract send to the congress) : FABRICATION OF A GRAPHENE OXIDE DISPERSED POLYSULFONE
NANOFILTRATION MEMBRANE FOR FLUORIDE REMOVAL FROM WATER

R Rezaee a -S Nasseri a - AH Mahvi a- A Maleki b -SA Mousavi c -and A Jafari d
Iran

SUMMARY: Graphene oxide dispersed polysulfone mixed matrix nanofiltration membranes was prepared via the immersion phase inversion process. The morphology of prepared membranes was studied by scanning electron microscope images, contact angle measurements and Fourier transform infrared spectroscopy. The fabricated membranes performance on pure water flux and fluoride removal from water was investigated in this study. The results showed that the pure water flux at transmembrane pressure of 5bar was 62.50 LMH. Also, the fluoride removal efficiency at initial concentrations of 4 to 10mg/L was more than 80 %.High water flux and fluoride rejection could be due to the unique nanostructure of graphene oxide and presence of hydrophilic functional groups. Because of high pollutants removal from water, low energy consumption and relatively easy fabrication, graphene membranes can be expected as a promising technology in future.

Key words: Fluoride removal, Nanofiltration membrane, Polysulfone, Graphene oxide, Phase inversion.

a Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences,Tehran, Iran.
b Kurdistan Environmental Health Research Center, Kurdistan University of Medical Sciences, Sanandaj, Iran.
c Department of Chemical and Petroleum Engineering, Sharif University of Technology,Tehran, Iran
d Department of Environmental Health Engineering, School of Public Health, Lorestan University of Medical Sciences, Khorramabad, Iran.
For correspondence: Reza Rezaee, Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran; E-mail: Rezaee.eng@gmail.com.
Keywords of your Abstract : Fluoride removal, Nanofiltration membrane, Polysulfone, Graphene oxide, Phase inversion.
Acceptance Letter : http://gsia.tums.ac.ir/images/UserFiles/23140/Forms/306/Acceptance_Letter.docx
The presentation : Poster
The Cover of Abstract book :
Published abstract in the abstract book with the related code :
Where has your abstract been indexed? : none
If you choose other, please name :  
The Congress Reporting Form
How many volunteers were present at the Congress? : 450
Delegates from which countries presented in the congress? : Malaysia,Japan,Thailand, USA, India, Netherland, Sweden, China, Iran, Tanzania, Germany, New zealand,
Were the delegates of any other organizations present in the congress? : No
If yes, please write the names of the organizations in the box :  
What were the responses to your talking points? Were specific questions or concerns raised? : Discussions were around the simple and low cost methods for removal of fluoride from water. in general, it is obvious that simple local methods in many cases can mitigate fluoride from water.
If you met staff members, please list their full names & positions. : Bruce Spittle, fluorde journal editor
Please inform us if there are any follow up actions we need to talk with the members of the congress : The problem of fluoride intake through different materials (water, foods, additives, supplementary etc could arise adverse human health effects. International society for fluoride research attempts to develop the knowledge about the effect of fluoride on human health. In addition, different efficient methods of fluoride mitigation are considered. With regard to the importance of this issue, it is not only water resources cause the problem but also different materials can involve communities. ccordingly, with regard to valuable experience of the fluoride society, a close relation could enhance the knowledge of fluoride concerns and mitigation strategies. Some known scientists such as Dr. B. Spittle and Professor Jörg Spitz could help a lot. 
Your experiences about the travel processes(Providing ticket, accommodation,...) : No problem, the hotel was reserved in advance.
Please give a briefing of your own observations and outcomes of the congress: : In all cases, “prevention is prior to treatment”.
Observing the people suffering from the fluorosis was very oppressive; the experiences of applying local defluoridation actions were interesting. A school was equipped with a local water supply system in order to mitigate the fluoride concentrations. A kind of adsorption process incorporated with filtration methods was applied for this purpose. Such a system could serve not only the school but also serve a portion of the community using portable containers. An important point here is the problem of water shortage in some parts of the world especially middle east region and pollution of existing fresh waters by different pollutant such as industrial wastewaters. In that harsh situation the probability of presence of other pollutant is of concern. Therefore taking some actions for such a probable problem is very important.