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Enrichment of trace elements in ferromanganese concretions from terra rossa and their potential desorption
dolomite karst weathering terra rossa ferromanganese concretions simulated acid rain toxic element desorption
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2017/4/11
The distributions of trace elements in ferromanganese concretions (FMCs) and the surrounding terra rossa (TR) matrix
overlying dolomite have been examined to extend our understanding of their mobiliz...
Equilibrium desorption isotherms of water, ethanol, ethyl acetate, and toluene on a sodium smectite clay
Clay Dynamic vapour sorption Ethanol Ethyl acetate Knudsen thermogravimetry Smectite Sorption isotherm Toluene Water
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2011/11/10
Abstract Desorption isotherms for water, ethanol, ethyl acetate and toluene from a sodium smectite clay have been determined by both dynamic vapor sorption (DVS) measurements and Knudsen thermogravim...
Desorption of benzoic and stearic acid adsorbed upon montmorillonites: a thermogravimetric study
Thermogravimetric analysis Differential thermogravimetric analysis Montmorillonites Desorption Benzoic acid Stearic acid
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2011/11/11
The desorption of benzoic acid and stearic acid from sodium and calcium montmorillonites has been studied using thermogravimetric and differential thermogravimetric analysis. Desorption of benzoic aci...
Sorption–desorption of cadmium in aqueous palygorskite, sepiolite,and calcite suspensions: Isotherm hysteresis
Cd Hysteretic adsorption Release Reversibility
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2011/11/4
Sorption isotherms have been widely used to assess the heavy metal retention characteristics of soil particles. Desorption behavior of the retained metals, however, usually differ from that of sorptio...
Modeling Adsorption-Desorption Processes of Cd on Montmorillonite
Cadmium Cation Adsorption Model Hysteresis Montmorillonite
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2011/12/8
Abstract: Adsorption-desorption of Cd to Ca montmorillonite (SAz-1) was studied at concentrations ranging from 44.5 to 266.8 礛. An adsorption model was employed in the analysis of the data. The proced...
Mechanism of Adsorption and Desorption of Water Vapor by Homoionic Montmorillonite: 3. the Mg2+, Ca2+, Sr2+ and Ba2+ Exchanged Forms
Adsorption Desorption Earth-Alkaline Cations Immersion Microcalorimetry Montmorillonite Relative Humidity Surface Area X-ray Diffraction
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2011/12/1
Abstract: The swelling of some well-defined Mg-, Ca-, Sr- and Ba- homoionic montmorillonites was studied in the domain of water relative pressures lower than 0.95. This involves the expansion of the c...
Mechanism of Adsorption and Desorption of Water Vapor by Homoionic Montmorillonites: 2. The Li+, Na+, K+, Rb+, and Cs+-Exchanged Forms
Adsorption Desorption Exchangeable cations Immersion microcalorimetry Montmorillonite Relative humidity Surface area XRD
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2011/12/28
Methods previously used to distinguish between water adsorbed on external surfaces and in the interlamellar space of Na-montmorillonite during adsorption and desorption of water vapor have been extend...
Changes in the Properties of a Montmorillonite-Water System during the Adsorption and Desorption of Water: Hysteresis
Adsorption Desorption Hysteresis Infrared spectroscopy Montmorillonite Vapor pressure Water
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2012/1/4
Samples of Na-saturated, Upton montmorillonite were prepared with different contents of water (H2O or D2O) by: (1) adsorption of water from the vapor phase at a specific value of p/p°, the relative hu...
Adsorption and Desorption of N-Methyl 8-Hydroxy Quinoline Methyl Sulfate on Smectite and the Potential Use of the Clay-Organic Product as an Ultraviolet Radiation Collector
Adsorption Cation-exchange capacity N-methyl 8-hydroxy quinoline methyl sulfate Pharmaceutical Smectite Visible-ultraviolet spectroscopy
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2012/1/5
The interaction between N-methyl 8-hydroxy quinoline methyl sulfate, a drug that absorbs erymathogenic near-ultraviolet radiation, and smectite was studied by X-ray powder diffraction (XRD) and adsorp...
Reexamination of the Kinetics of the Thermal Desorption of Dimethylsulfoxide and N-Methyl Formamide From a Greensplatt Kaolin
Activation energy Desorption Dimethylsulfoxide Kaolinite N-methyl formamide Thermal treatment
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2011/11/28
Abstract: The kinetics of the thermal decomposition of the kaolin: dimethylsulfoxide (kaolin: DMSO) and the kaolin: N-methylformamide (kaolin: NMF) intercalates have been reexamined. Two different sam...
Sorption, Desorption, and Isotope Exchange of Cesium (10−9–10−3 M) on Chlorite
Acid treatment Cation exchange Cesium Chlorite Isotope exchange Sorption
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2012/1/13
Batch cation-exchange experiments were performed on chlorite, using synthetic ground water containing cesium in the concentration range 10−9–10−3 M. The sorption behavior was complex; with...