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The Relationship between the Thermal Behavior of Clinoptilolite and Its Chemical Composition
Chemical Composition Clinoptilolite 020 Diffraction Peak Electron Microprobe Analysis Greece Santorini Zeolites
2011/12/5
Abstract: The matrix of the Pliocene volcaniclastics from the Akrotiri area of the Santorini island (Greece) is dominated by clinoptilolite. Smectite, occasionally illite-smectite, opal-CT, cristobali...
Composition of Clinoptilolite Formed from Volcanic Glass during Burial Diagenesis
Burial Diagenesis Cation Exchange Clinoptilolite Volcanic Glass Zeolite
2011/12/2
Abstract: The composition of clinoptilolite formed from volcanic glass was investigated from cuttings collected from the offshore MITI-Somaoki borehole, 52 km east of Soma City, Japan. Unaltered volca...
Occurrence of Clinoptilolite and Mordenite in Tertiary Calc-Alkaline Pyroclastites from Sardinia (Italy)
Clinoptilolite Fluid/Rock Interaction Mordenite Opal-CT Tertiary Pyroclastic Flows
2011/12/7
Abstract: Clinoptilolite and mordenite occur as diagenetic products of medium-grained, moderately welded and poorly sorted pyroclastic flows belonging to the Tertiary calc-alkaline volcanism of Sardin...
Solubility and stability of zeolites in aqueous solution: I. Analcime, Na-, and K-clinoptilolite
Solubility stability zeolites I. Analcime K-clinoptilolite
2012/3/31
The solubilities of analcime and clinoptilolite were determined in dilute, weakly alkaline,aqueous solutions below 300 8 C and at vapor-saturated pressures. Analcimes used in this study were from Mont...
Topological and Thermal Properties of Surfactant-Modified Clinoptilolite Studied by Tapping-ModeTM Atomic Force Microscopy and High-Resolution
Hexadecyltrimethylammonium Muscovite Mica Surface Imaging Thermal Analysis Zeolite
2011/12/1
Abstract: Unmodified and surfactant-modified clinoptilolite-rich tuff (referred to here as 揷linoptilolite? and muscovite mica were examined with tapping-mode atomic force microscopy (TMAFM) and high-r...
Calorimetric Measurement of the Enthalpy of Hydration of Clinoptilolite
Calorimetry Clinoptilolite Energetics Enthalpy Hydration Zeolite
2011/12/22
Abstract: The enthalpy of hydration of natural clinoptilolite was determined by isothermal immersion calorimetry on Ca-, Na- and K-exchanged clinoptilolite (Fish Creek Mountains, Nevada). Heats of imm...
Equilibrium Modeling of Clinoptilolite-Analcime Equilibria at Yucca Mountain, Nevada, USA
Analcime Clinoptilolite Modeling Stability Thermodynamic Zeolite
2011/12/9
Abstract: Yucca Mountain, Nevada, is being investigated to determine its suitability to host a potential high-level radioactive waste respository. An important reason for its choice as a potential rep...
Estimation of the Zeolite Contents of Tuffaceous Samples from the Bigadic Clinoptilolite Deposit, Western Turkey
Clinoptilolite CO2 Adsorption Dubinin-Astakhov Isotherm Model Natural Zeolites NH4+-Exchange Zeolite Content
2011/12/27
Variation of the NH4+-exchange and CO2-adsorption capacities with zeolite content was investigated in detail to assess the potential use of these capacities for the estimation of the zeolite contents ...
Athermodynamic formulation for the sorption ofH20in clinoptilolite hasbeen ob-tained from analysis ofequilibrium data collected bythermogravimetry on near end-memberCa-,Na-,and K-exchangednatural clin...
Quantitative Determination of Clinoptilolite in Soils by a Cation-Exchange Capacity Method
Cation-exchange capacity Clinoptilolite Quantitative mineralogy Smectite Soil Tertbutylammonium Zeolite
2012/1/11
A cation-exchange capacity (CEC) method based on ion-sieving properties was developed for the quantitative determination of clinoptilolite in soils. In this method, both zeolitic and non-zeolitic exch...
Sodium, Calcium, and Ammonium Exchange on Clinoptilolite from the Fort Laclede Deposit, Sweetwater County, Wyoming
Ammonium Calcium Cation exchange Clinoptilolite Selectivity Sodium
2012/1/11
Clinoptilolite from the Fort LaClede deposit in Sweetwater County, Wyoming, shows a moderate selectivity for NH4- over Na+ in aqueous solution. At 30°C, the standard free energy of this replacement re...
Kaolinite, Opal-CT, and Clinoptilolite in Altered Tuffs Interbedded with Lignite in the Jackson Group, Texas
Clinoptilolite Kaolinite Lignite Marcasite Opal-CT Plant roots Pyrite Silication Zeolite
2012/1/11
The mineralogy of partially kaolinized strata interbedded with lignite at the San Miguel mine, Atascosa County, Texas, was investigated by X-ray powder diffraction and optical and scanning electron mi...
Effects of Exchangeable Cation Composition on the Thermal Expansion/Contraction of Clinoptilolite
Clinoptilolite Dehydration Exchangeable cation Thermal expansion X-ray powder diffraction Zeolite
2012/2/6
To understand and predict the effects of a thermal pulse induced by a radioactive waste repository on clinoptilolite-bearing rocks, the lattice parameters of 6 natural and 3 cation-exchanged (Ca, K, N...
Thermal Study of Types of Water Associated with Clinoptilolite
Clinoptilolite Thermal analysis Tuff Water Zeolite
2012/2/8
The identification and quantification of the water associated with powdered clinoptilolite and clinoptilolite-bearing tuffs were made using thermogravimetric, vacuum gravimetric, and differential scan...