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A combined synchrotron powder diffraction and vibrational study of the thermal treatment of palygorskite-indigo to produce Maya blue
synchrotron powder diffraction palygorskite-indigo Maya blue
2011/11/11
The heating process (30-200 QC) of a palygorskite-indigo mixture has been monitored in situ and simultaneously by synchrotron powder diffraction and Raman spectroscopy. During this process, the dye an...
The Effect of Thermal Treatment on the Structure of Palygorskite Used for Flue Gas SO2 Removal
Palygorskite SO2 Thermal Treatment
2011/11/14
Palygorskite is widely used as industrial adsorbent and also potential for flue gas desulfurization by adsorption of SO2. The effect of thermal treatment on Palygorskite’s structural properties and it...
The Effect of Thermal Treatment on Some of the Physicochemical Properties of a Bentonite
Adsorption Bentonite Cation-Exchange Capacity Dehydration Dehydroxylation Montmorillonite Pore Volume Surface Area Thermal Analysis
2011/12/6
Abstract: A white calcium bentonite (CaB) from the Kütahya region, Turkey, contains 35 wt. % opal-CT and 65 wt. % Ca-rich montmorillonite (CaM). Samples were heated at various temperatures between 100...
Coprecipitates of Cd, Cu, Pb and Zn in Iron Oxides: Solid Phase Transformation and Metal Solubility after Aging and Thermal Treatment
Aging Study Coprecipitation Electron Microprobe Analysis Ferrihydrite Transformation Metal Solubility Rate of Titration Thermal Treatment
2011/12/8
Abstract: Solid phase transformation and metal solubility were monitored after coprecipitation of Cd2+, Cu2+, Pb2+ and Zn2+ with Fe3+ to form ferrihydrite by titration to pH 6. The (co)precipitates we...
Structural variations induced by thermal treatment in lead feldspar (PbAl2Si2O8)
Structural variations thermal treatment lead feldspar
2012/3/30
Lead feldspar single crystals were annealed at T 5 1050 and 1000 8 C, starting from a disordered metastable configuration (PbFH, Qod5 0) and from an ordered configura-tion (PbFL, Qod5 0.89). Single-cr...
Evolution of the Porous Structure and Surface Area of Palygorskite Under Vacuum Thermal Treatment
Adsorption Microcalorimetry Microporosity Palygorskite Surface area Thermal treatment
2011/12/31
The modification of the external surface area and the two types of microporosity of palygorskite (structural and interfiber porosity) were examined as a function of the temperature of a vacuum thermal...
Modification of the Porous Structure and Surface Area of Sepiolite Under Vacuum Thermal Treatment
Adsorption microcalorimetry Microporosity Reciprocal thermal analysis Sepiolite Surface area Thermal treatment
2012/1/9
Modifications of the external surface area and the two types of microporosity of sepiolite (structural microporosity and inter-fiber porosity) were examined as a function of the temperature of a vacuu...