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RMS Annual Session combined with the Fedorov Session 2012
Saint Petersburg, Russia
8-10 October 2012
2012minsoc.ru
http://www.minsoc.ru/2012/
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Conferences & Meetings RMS Annual Session combined with the Fedorov Session 2012
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Presentations
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Characterization and application of tourmaline and beryl from Brazilian pegmatite in adsorption process with divalent metals

RMS-DPI code:  2012-1-109-1
Scientific session:  M3. Environmental mineralogy and geochemistry
Author listing:  Lima Guerra D., Mello I.
Principal author:  Lima Guerra Denis
Language:  English
Abstract - Summary 
(short description):
In this study, we investigated the characterization and use of natural ciclosilicate samples as alternative absorbents for extraction of divalent metals, Pb2+, Mn2+, and Zn2+, which are commonly present in waters from a variety of sources and industrial effluents. For this purpose, the adsorption isotherms of divalent metals from aqueous medium at room temperature were explored, bearing in mind the influence of different parameters such as solution pH, metal concentration, temperature, and contact time. The spontaneity of these systems, reflected in the negative Gibbs free energies and the favorable positive entropic values, agrees with the displacement of coordinated solvent molecules as the intercalation takes place.
 
Date of presentation:  09/10/2012
Presentation Place:  Mining University, foyer of the Assembly Hall
 
RMS-DPI code:  2012-1-109-1
Proceeedings volume 
in the RMS catalogue:
 
Mineralogy in а whole space of the word.
File of proceedings 
(PDF): 
 238 K
Status:  printed
Accepted:  28/08/2012
Published on-line:  05/11/2012
Permanent address of publication:  http://www.minsoc.ru/2012-1-109-1/
Contact author(s):  Lima Guerra, Denis
 

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