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Mineral and chemical composition of the Yanzhou coal and coal ash (China), and volatilization behavior of some elements during gradual heating of this coal ,
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2007/7/28
专著信息
书名
Mineral and chemical composition of the Yanzhou coal and coal ash (China), and volatilization behavior of some elements during gradual heating of this coal ,
语种
英文
撰写或编译
作者
Liu Guijian,Aheng L...
The influence of heating rate on the kinetics of mineral reactions: An experimental study and computer models
heating rate mineral reactions experimental study computer models
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2012/3/31
Startling results were obtained in kinetic experiments that varied the initial heating history of the mineral reaction: 1 dolomite 1 2 quartz → 1 diopside 1 2CO2. The exper-iments were carried out at ...
Migration of Cations in Copper(II)-Exchanged Montmorillonite and Laponite upon Heating
CEC Measurements Cu-Laponite Cu-Montmorillonite EPR Hofmann-Klemen Effect IR XPS
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2011/12/22
Abstract: Two clay minerals, a dioctahedral, Na-montmorillonite from Wyoming and a trioctahedral, synthetic Na-laponite, were exchanged by cupric (Cu(II)) ions and subsequently heated at 100 °C interv...
Changes in the crystal structure of tsaregorodtsevite [N(CH3)4][Si2(Si0.5Al0.5)O6]2 on heating
Changes crystal structure tsaregorodtsevite [N(CH3)4][Si2(Si0.5Al0.5)O6]2 heating
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2012/4/5
Tsaregorodtsevite[N(CH ) ][Si (Si Al )O ] isauniquefeldspathoidwithatetrame-thylammonium(TMA
)organiccationinanordered,sodalite-likeframeworkofortho-
rhombicsymmetry(I222)with a 8.984(3), b 8.937(2)...
Effect of Heating on Swelling and Dispersion of Different Cationic Forms of a Smectite
Cationic Clay Bonding Dispersion Particle Charge Swelling Thermal Treatment X-ray Diffraction
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2011/12/27
The effect of heat treatments on the swelling, dispersion, particle charge and particle aggregation of Li-, Na-, K-, Mg-, Ca- and Al-Wyoming bentonite was investigated. Before thermal treatment, unhea...
Radiogenic Argon Released by Stepwise Heating of Glauconite and Illite: The Influence of Composition and Particle Size
Argon Dehydroxylation Glauconite Illite
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2011/12/27
Various size fractions of several samples of glauconitic clay and illite were heated stepwise under vacuum for extended periods to: 1) evaluate radiogenic-argon (Ar) yields in relation to composition ...
Development of Microporosity in Clinochlore Upon Heating
Clinochlore Dehydroxylation Micropores
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2011/12/29
The 乬modified chlorite structure乭 forms by the dehydroxylation of the interlayer octahedral sheet of magnesian chlorite at around 500亱C and results in a structure with a basal spacing near 27 侌 (Brind...
The Transformation of Lepidocrocite During Heating: A Magnetic and Spectroscopic Study
Dehydroxilation IR spectra Lepidocrocite Maghemite Phase transformation
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2011/12/29
Infrared (IR) spectroscopy, in combination with magnetic methods, was used to study the thermally induced transformation of synthetic lepidocrocite (γ-FeOOH) to maghemite (γ-Fe2O3). Magnetic analyses ...
X-ray Photoelectron Spectroscopic Study of the Effect of Heating on Montmorillonite Containing Sodium and Potassium Cations
Montmorillonite Noncrystalline Surface composition Thermal treatment X-ray photo-electron spectroscopy X-ray powder diffraction
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2012/1/13
The effect of heating on montmorillonites containing exchangeable Na and K has been studied by X-ray photoelectron spectroscopy (XPS). The surface composition of the unheated montmorillonite was consi...
Effect of Heating on Microcrystalline Synthetic Goethite
Crystallite size Goethite Microstrain Mossbauer spectroscopy Thermal treatment X-ray powder diffraction
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2011/11/25
Abstract: The effect of heating synthetic microcrystalline goethite at 60°, 80°, and 105°C was studied by X-ray powder diffraction, electron microscopy, weight-loss measurements, and Mössbauer sp...
Expandable Phyllosilicate Reactions with Lithium on Heating
Beidellite Lithium saturation Montmorillonite Nontronite Soil clay X-ray powder diffraction
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2012/1/12
A method using Li saturation and heating to 250°C to differentiate montmorillonite from beidellite and nontronite has been developed. The test utilizes three washings with 3 M LiCl and two washings wi...
The Effect of Heating in Vacuo on the Microporosity of Sepiolite
Vacuo Microporosity Sepiolite Effect of Heating
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2012/2/15
The t-plot method has been applied to the results of nitrogen adsorption at 76°K on sepiolite first heated in vacuo at various temperatures. Heating sepiolite samples in vacuo at 427°K results in a la...
Electron Diffraction and Micrographic Study of the High-Temperature Changes in Illite and Montmorillonite Under Continuous Heating Conditions
Illite Montmorillonite High-Temperature Changes Electron Diffraction Micrographic Study
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2011/11/16
Transmission and diffraction electron micrographs were made of illite and montmorillonite to study the changes that take place as the clays were heated continuously to 1200°C.In both of the clay miner...