搜索结果: 1-15 共查到“凹凸棒石 Na”相关记录72条 . 查询时间(0.073 秒)
Uptake properties of Eu(III) on Na-attapulgite as a function of pH, ionic strength and temperature
Eu(III) Sorption Na-attapulgite pH Ionic strength Thermodynamic data
2011/11/10
Herein, the sorption properties of Eu(III) on Na-attapulgite were performed by using batch sorption experiments under different experimental conditions, such as contact time, pH, ionic strength, humic...
Sorption of uranium(VI) on Na-attapulgite as a function of contact time, solid content, pH, ionic strength, temperature and humic acid
Attapulgite U(VI) Sorption pH Ionic strength Temperature
2011/11/10
Sorption of U(VI) from aqueous solution to Na-attapulgite was investigated at different experimental chemistry conditions by using batch technique. The attapulgite sample was characterized by FTIR and...
Sorption of radiocobalt(II) from aqueous solutions to Na-attapulgite
Co(II) Sorption Na-attapulgite pH Thermodynamic parameters
2011/11/10
The sorption of Co(II) on Na-attapulgite as a function of contact time, solid content, pH, ionic strength, foreign ions, fulvic acid (FA) and temperature under ambient conditions was studied. The kine...
Synthesis and Swelling Properties of Guar Gum-g-poly(sodium acrylate)/Na-montmorillonite Superabsorbent Nanocomposite
guar gum montmorillonite superabsorbent nanocomposite swelling
2011/12/14
Novel guar gum-g-poly(sodium acrylate)/Na-montmorillonite (GG-g-PNaA/MMT) superabsorbent nanocomposites were synthesized by grafted copolymerization among natural guar gum (GG), partially neutralized ...
Synergistic effects of Na+-montmorillonite and multi-walled carbon nanotubes on mechanical properties of chitosan film
nanocomposites chitosan films mechanical properties multi-walled carbon nanotubes
2011/12/14
Chitosan/Na+-montmorillonite/multi-walled carbon nanotubes (CTS/MMT/MWCNTs) nanocomposite films were prepared by a simple solution-evaporation method. The effects of MMT and MWCNTs on mechanical prope...
天然Na基膨润土吸附处理高浓度PAM废水的研究
聚丙烯酰胺 吸附 等温线 Na基膨润土
2012/3/13
研究了PAM在天然钠基膨润土上的吸附行为，将其应用于含高浓度PAM（100～200 mg/L）的生产废水处理。静态条件下，膨润土的吸附平衡时间为1.5 h，最有效的吸附材料投加量为100 mg/100 mL水样。实验证明，低温度变化范围和弱酸、弱碱条件对PAM的吸附行为不产生显著影响。在最佳吸附动力学条件下，以活性炭做参比，利用实验的结论对化工厂中PAM生产废水进行吸附处理，结果表明，在对PAM废...
Notes on ephesite,terskite,Na-komarovite,ceriopyrochlore-(Ce),joaquinite-(Ce) and other minerals from the Ilimaussaq alkaline complex,South Greenland
agpaite ephesite Ilimaussaq Na-komarovite nepheline syenites terskite
2011/11/8
Notes on ephesite,terskite,Na-komarovite,ceriopyrochlore-(Ce),joaquinite-(Ce) and other minerals from the Ilimaussaq alkaline complex,South Greenland.
由于层间含有高价态金属阳离子的蒙脱石对特定有机物的吸附能力可大大增强 ,故分别用层间含有Na+ 、Ca2+、Al3+ 和Cr3+ 的蒙脱石对垃圾渗滤液中的有机物进行吸附实验 ,研究它们吸附苯酚、二甲苯和COD的能力及离子形态对吸附效果的影响。
Rheology of Na-Rich Montmorillonite Suspension as Affected by Electrolyte Concentration and Shear Rate
Clay-particle Interaction Clay-suspension Viscosity Na-rich Montmorillonite
2011/12/5
Abstract: Rheological measurements were used to evaluate the particle-particle associations of Na-rich montmorillonite in suspensions, under various electrolyte concentrations. A 2% free electrolyte c...
Simulations of Interlayer Methanol in Ca- and Na-Saturated Montmorillonites Using Molecular Dynamics
Methanol Molecular Dynamics Montmorillonite
2011/12/5
Abstract: Molecular dynamics computer simulations were used to study methanol molecules confined between the layers of 2:1 phyllosilicates. The model systems are based on natural Ca- and Na-rich montm...
Infrared Study of Water Sorption on Na-, Li-, Ca-, and Mg-Exchanged (SWy-1 and SAz-1) Montmorillonite
Exchangeable Cation FTIR Hydration Hysteresis Smectite Sorption Water
2011/12/2
Abstract: An environmental infrared microbalance (EIRM) cell was used to study H2O sorption on two montmorillonite samples as a function of water content and type of exchangeable cation. The vibration...
Ion Exchange of Zeolite Na-Pc with Pb2+, Zn2+, and Ni2+ Ions
Heavy Metals Ion Exchange Perlite Selectivity Selectivity Coefficient Zeolite Pc Zeolitization
2011/12/6
Abstract: This paper examines the ion-exchange properties of synthetic zeolite Na-Pc, which was produced from perlite-waste fines and has a SiO2:Al2O3 ratio of 4.45:1 and a cation-exchange capacity (C...
Removal of Nickel and Cobalt from Aqueous Solutions by Na-Activated Bentonite
Adsorption Bentonite Cation Exchange Clays Cobalt Removal Heavy Metals Nickel Removal Wastewater
2011/12/7
Abstract: The ability of Na-activated bentonite to remove Ni2+ and Co2+ from aqueous solutions at room temperature (22 ± 1°C) was studied under various experimental conditions. The parameters studied ...
A Synthetic Na-Rich Mica: Synthesis and Characterization by 27Al and 29Si Magic Angle Spinning Nuclear Magnetic Resonance Spectroscopy
KGa-1 MAS NMR Spectroscopy Metakaolinite Mica Na Mica Synthetic Clay Mineral
2011/12/7
Abstract: A swelling mica, Na2Mg3(Al2Si2)O10F2·xH2O, (hereafter “Na-4 mica”) was synthesized from metakaolinite + MgO and Mg aluminosilicate gels at different temperatures and durations using NaF flux...
Burbankite, a (Sr,REE,Na,Ca)-carbonate in fluid inclusions from carbonatite-derived fluids: Identification and characterization using Laser Raman spectroscopy, SEM-EDX, and synchrotron micro-XRF analysis
Burbankite synchrotron micro-XRF analysisp SEM-EDX Laser Raman spectroscopy
2012/3/31
Burbankite, ideally (Na,Ca) (Sr,REE,Ba) (CO ) , is a rare REE carbonate mineral that until now
had been encountered only at a few localities including highly alkaline silicate rocks, carbonatites,
a...