Skip to Main Content
Skip Nav Destination
GEOREF RECORD

Chamosite, a naturally occurring clay as a versatile catalyst for various organic transformations

R. Arundhathi, B. Sreedhar and G. Parthasarathy
Chamosite, a naturally occurring clay as a versatile catalyst for various organic transformations
Clay Minerals (September 2010) 45 (3): 281-299

Abstract

The chlorite-group mineral chamosite occurs in nanocrystalline form ( approximately 200 nm grain size) as a naturally occurring clay in the Quaternary marine sedimentary deposits near Kudiamozhi, Tuticorin District, Tamil Nadu, India; samples were used in this study as a reusable catalyst. The clay has the usual alternating tetrahedral-octahedral-tetrahedral silicate/aluminate/silicate layer structural arrangement (sometimes called the 2:1 silicate or talc layer structure). The interlayer and the t-o-t layer are bound together by both electrostatic and hydrogen-bonding forces. This natural clay catalyst has been well characterized by various techniques such as Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), X-ray diffraction (XRD), temperature programmed desorption (TPD), thermal analysis and BET surface area measurements (Sreedhar et al., 2009); it has been utilized for various organic transformations such as acylation of alcohols and amines, cyclization of arylaldehydes with O-phenylenediamines and C-O bond formation reactions.


ISSN: 0009-8558
EISSN: 1471-8030
Coden: CLMIAF
Serial Title: Clay Minerals
Serial Volume: 45
Serial Issue: 3
Title: Chamosite, a naturally occurring clay as a versatile catalyst for various organic transformations
Affiliation: CSIR, Indian Institute of Chemical Technology, Inorganic and Physical Chemistry Division, Hyderabad, India
Pages: 281-299
Published: 201009
Text Language: English
Publisher: Mineralogical Society, London, United Kingdom
References: 104
Accession Number: 2010-090876
Categories: Geochemistry of rocks, soils, and sedimentsSedimentary petrology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 10 tables
N08°00'00" - N13°49'60", E76°19'60" - E80°30'00"
Secondary Affiliation: CSIR, National Geophysical Research Institute, IND, India
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: 201048
Close Modal

or Create an Account

Close Modal
Close Modal