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Some physicochemical properties of a clay containing smectite and palygorskite
AbstractA sample of brown clay from the commercially mined Sungurlu deposit (Çorum, Turkey) was examined in terms of its mineralogy, morphology and porosity by particle size analysis, X-ray diffraction, chemical analysis, cation exchange, Fourier transform infrared spectroscopy, Mössbauer spectroscopy, electron microscopy, thermal analysis, and nitrogen adsorption/desorption techniques. The fraction of particles with diameters <2 µm in the aqueous dispersion was 83% (v,v). The moisture content and cation exchange capacity of the clay were 12.1 mass % and 0.85 eq/g, respectively. Total mass loss between 25–1000 °C was 22.1%. Two different recrystallization temperatures for the clay are 860 and 980 °C. The sample contained iron rich calcium smectite (CaS), fibrous palygorskite (P), and quartz (Q). The specific values of surface area, micropore volume, mesopore volume, and micro-mesopore volume were 208 m2 g−1, 0.074 cm3 g−1, 0.158 cm3 g−1, and 0.232 cm3 g−1, respectively.
Some physicochemical properties of a clay containing smectite and palygorskite
AbstractA sample of brown clay from the commercially mined Sungurlu deposit (Çorum, Turkey) was examined in terms of its mineralogy, morphology and porosity by particle size analysis, X-ray diffraction, chemical analysis, cation exchange, Fourier transform infrared spectroscopy, Mössbauer spectroscopy, electron microscopy, thermal analysis, and nitrogen adsorption/desorption techniques. The fraction of particles with diameters <2 µm in the aqueous dispersion was 83% (v,v). The moisture content and cation exchange capacity of the clay were 12.1 mass % and 0.85 eq/g, respectively. Total mass loss between 25–1000 °C was 22.1%. Two different recrystallization temperatures for the clay are 860 and 980 °C. The sample contained iron rich calcium smectite (CaS), fibrous palygorskite (P), and quartz (Q). The specific values of surface area, micropore volume, mesopore volume, and micro-mesopore volume were 208 m2 g−1, 0.074 cm3 g−1, 0.158 cm3 g−1, and 0.232 cm3 g−1, respectively.
Some physicochemical properties of a clay containing smectite and palygorskite
Önal, M. (author) / Sarıkaya, Y. (author)
Applied Clay Science ; 44 ; 161-165
2009-01-27
5 pages
Article (Journal)
Electronic Resource
English
Clay , Palygorskite , Porosity , Smectite , Surface area
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