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Properties of mechanically activated natural clinoptilolite and chabazite

V. A. Nikashina, A. N. Streletsky, I. V. Kolbanev, I. N. Meshkova, V. G. Grinev, I. B. Serova, T. S. Yusupov and L. G. Shumskaya
Properties of mechanically activated natural clinoptilolite and chabazite (in Zeolite 2010, Ognyan E. Petrov (prefacer) and David L. Bish (prefacer))
Clay Minerals (June 2011) 46 (2): 329-337


The effect of mechanical activation on the ion-exchange selectivity of natural zeolites from Russia, namely clinoptilolite-bearing tuffs and chabazites, was studied. The structural modifications and thermal properties were investigated, and the specific surface area and porosity of mechanically activated zeolites were determined. At activation doses of up to 1.0 kJ g (super -1) the main processes are the breakdown of the zeolite particles and pore structure changes. At greater activation doses amorphization takes place. It was shown that during the initial stage of activation in most cases the clinoptilolite selectivity for Sr (super 2+) increased slightly and then decreased; the selectivity for Cu (super 2+) increased 100 times; and the selectivity of chabazite-1 for Sr (super 2+) increased 300 times.

ISSN: 0009-8558
EISSN: 1471-8030
Serial Title: Clay Minerals
Serial Volume: 46
Serial Issue: 2
Title: Properties of mechanically activated natural clinoptilolite and chabazite
Title: Zeolite 2010
Author(s): Nikashina, V. A.Streletsky, A. N.Kolbanev, I. V.Meshkova, I. N.Grinev, V. G.Serova, I. B.Yusupov, T. S.Shumskaya, L. G.
Author(s): Petrov, Ognyan E.prefacer
Author(s): Bish, David L.prefacer
Affiliation: Russian Academy of Sciences, Vernadsky Institute of Geochemistry and Analytical Chemistry, Moscow, Russian Federation
Affiliation: Bulgarian Academy of Sciences, Institute of Mineralogy and Crystallography, Sofia, Belgium
Pages: 329-337
Published: 201106
Text Language: English
Publisher: Mineralogical Society, London, United Kingdom
Meeting name: 8th international conference on the Occurrence, properties and utilization of natural zeolites (Zeolite 2010)
Meeting location: Sofia, BEL, Belgium
Meeting date: 20100710July 10-18, 2010
References: 14
Accession Number: 2011-073194
Categories: Economic geology, geology of nonmetal depositsSedimentary petrology
Document Type: Serial Conference document
Bibliographic Level: Analytic
Illustration Description: illus. incl. 5 tables
N37°00'00" - N83°00'00", W170°00'00" - E28°00'00"
Secondary Affiliation: Indiana University, USA, United StatesRussian Academy of Sciences, Semenov Institute of Chemical Physics, RUS, Russian FederationRussian Academy of Sciences, Joint Institute of Geology, Geophysics, and Mineralogy, RUS, Russian Federation
Country of Publication: United Kingdom
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, Copyright, Mineralogical Society of Great Britain and Ireland. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 201140
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