搜索结果: 1-15 共查到“地质学 aqueous solutions”相关记录15条 . 查询时间(0.062 秒)
Adsorption behavior of Cu2+ from aqueous solutions onto starch-g-poly (acrylic acid)/sodium humate hydrogels
Starch Sodium humate Hydrogel Cu2+ adsorption Complexation
2011/12/14
A series of starch-g-poly(acrylic acid)/sodium humate (St-g-PAA/SH) hydrogels were prepared and used to adsorb Cu2+ from the aqueous solution. The batch adsorption experiments were carried out by vary...
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...
Adsorption of cationic dye on N,O-carboxymethylchitosan from aqueous solutions: equilibrium, kinetics,and adsorption mechanism
N,O-carboxymethyl-chitosan Adsorption Methylene blue Equilibrium Kinetics Mechanism
2011/12/15
In order to improve the adsorption capacity of chitosan (CTS) for methylene blue (MB) cationic dye, a series of N,O-carboxymethyl-chitosans (N,O-CMCTS) were prepared under heterogeneous conditions by ...
Methods for Performing Atomic Force Microscopy Imaging of Clay Minerals in Aqueous Solutions
Atomic Force Microscopy CMS Source Clay KGa-1 CMS Source Clay SWy-1 Fluid Cell Particles Polyethyleneimine Sapphire TappingMode Tempfix
2011/12/7
Abstract: Three methods were developed that allow for the imaging of any clay mineral in aqueous solutions with atomic force microscopy (AFM). The methods involve fixing the particles onto special sub...
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 ...
An Aluminum Pillared Montmorillonite with Fast Uptake of Strontium and Cesium from Aqueous Solutions
Cation Exchange Capacity Delamination Pillared Clay Radiocesium Radiostrontium Uptake
2011/12/22
Abstract: The uptake of Sr and Cs by 2 types of aluminum pillared layered clays (Al-PILC), a reference sample (AZA) and a specially tailored sample (FRAZA), were investigated. The AZA sample was prepa...
Use of Inorgano-Organo-Clays in the Removal of Priority Pollutants from Industrial Wastewaters: Adsorption of Benzo(a)pyrene and Chlorophenols from Aqueous Solutions
Adsorption Benzo(a)pyrene Chlorophenols Hydroxy-Al Inorgano-organo clay Montmorillonite Pollutants
2012/1/4
Benzo(a)pyrene (B(a)P), and chlorophenols were sorbed from their respective aqueous solutions onto inorgano-organo-clays (IOCs). Cetyl pyridinium hydroxy-Al montmorillonite (CPC-hydroxy-Al montmorillo...
Adsorption of n-Aliphatic Alcohols from Dilute Aqueous Solutions on RNH3-Montmorillonites. III. Interlamellar Aggregation of the Adsorbate
Adsorption Alcohol Alkylammonium cations Intercalation Micellization Montmorillonire
2012/2/2
The large amount of water in the interlamellar space of alkylammonium montmorillonites in aqueous solutions is not fixed by intercalated hexanol or octanol. The hydration of the NH3+-group and the fil...
Electromobility of Mica Particles Dispersed in Aqueous Solutions
Electromobility Force measurements Mica Smoluchowski equation Streaming potential
2012/1/13
Mobility measurements were made for dry-ground mica particles dispersed in aqueous KCl, Cr(NO3)3, and cetyltrimethylammonium bromide (CTAB) solutions. In the latter solutions charge reversal occurred ...
Adsorption of Quinoline from Aqueous Solutions by Some Clays and Oxides
Adsorption Montmorillonite pH Quinoline Silica-alumina X-ray powder diffraction
2011/11/23
Abstract: The adsorption isotherms of quinoline from aqueous solutions by some clays and oxides varied from the S type for silica to a form somewhat similar to the Langmuir type for montmorillonite an...
Sorption of Trace Constituents from Aqueous Solutions onto Secondary Minerals. II. Radium
Cation exchange Clinoptilolite Freundlich isotherm Glauconite Illite Montmorillonite Opal Radium Sorption
2012/2/7
Radium sorption efficiencies as a function of temperature, Ra concentration, and secondary mineral sorbate were determined in a 0.01 M NaCl solution. Radium sorption on a characterized clinoptilolite,...
Sorption of Trace Constituents from Aqueous Solutions onto Secondary Minerals. I. Uranium
Cation exchange Clinoptilolite Freundlich isotherm Glauconite Illite Montmorillonite Opal Sorption Uranium
2012/2/7
Well-characterized American Petroleum Institute clay standards, source clays from The Clay Minerals Society, and other secondary minerals were used to determine the effects of U concentration, tempera...
Activity/Composition Relations among Silicates and Aqueous Solutions: II. Chemical and Thermodynamic Consequences of Ideal Mixing of Atoms on Homological Sites in Montmorillonites, Illites, and Mixed-Layer Clays
Activity Atom mixing Illite Mixed layers Montmorillonite Thermodynamics
2012/2/6
The activities of thermodynamic components of clay minerals corresponding in composition to pyrophyllite, muscovite, paragonite, and margarite were computed from chemical analyses reported in the lite...
The Adsorption of n-Aliphatic Alcohols from Dilute Aqueous Solutions on RNH3-Montmorillonites. II. Interlamellar Association of the Adsorbate
Alcohol adsorption Alkylammonium clays Intercalates Montmorillonite
2012/2/10
The adsorption of butanol, hexanol, and octanol on alkylammonium montmorillonites of different chain length is similar to the distribution of alcohol between an organic solvent and water in bulk solut...
The Adsorption of N-Aliphatic Alcohols from Dilute Aqueous Solutions on RNH3-Montmorillonites. Part I. Distribution at Infinite Dilution
Adsorption Alkylammonium Butanol Hexanol Interlayer Octanol
2012/2/10
The adsorption of butanol, hexanol, and octanol on alkylammonium clays of different chain length is studied. The adsorption at infinite dilution compares to the distribution of alcohol between alkane ...