搜索结果: 46-60 共查到“凹凸棒石 Sorption”相关记录76条 . 查询时间(0.156 秒)
A Novel Differential Thermal Analysis Method for Quantifying the Sorption Capacity of Smectite Clay
Adsorption Differential thermal analysis Hydration Methyl salicylate Smectite
2012/1/4
The enthalpy of freezing of methyl salicylate sorbed by four commercial montmorillonite clays was used to estimate the absorption/adsorption capacity of the clay. Differential thermal analysis was the...
Dioxon Sorption by Hydroxy-Aluminum-Treated Clays
Adsorption Biphenyl Dioxin Hydroxy-Al Kaolinite Pollutant Smectite
2012/1/6
The treatment of smectites with a hydroxy-Al polymer produced chemically modified clays that had much greater affinities for chlorinated dioxins and biphenyls than untreated clays. For hydroxy-Al-trea...
D-Glucosamine Sorption on Cu(II)-Montmorillonite as the Protonated and Neutral Species
Adsorption Copper D-glucosamine Electron spin resonance Infrared spectroscopy Montmorillonite Protonation
2012/1/6
The adsorption of D-glucosamine (2-amino-2-deoxy-D-glucose) in the protonated or neutral form on homoionic Cu2+-bentonite was investigated by infrared (IR) and electron spin resonance (ESR) spectrosco...
Sorption of 8-Hydroxyquinoline by Some Clays and Oxides
Adsorption ?Alumina ?Charcoal ?8-Hydroxyquinoline ?Kaolinite ?Montmorillonite ?Silica
2011/11/28
Abstract: The sorption of 8-hydroxyquinoline onto some clays and oxides was studied as a function of concentration, pH, and time. The sorption reaction reached equilibrium in about 5 hr, was irreversi...
Pentachlorophenol Sorption by Organo-Clays
Adsorption Hydrophobicity Organo-clay Pentachlorophenol Smectite Toxic wastes
2012/1/9
Several clay organic complexes were prepared by placing organic cations on the exchange sites of smectite clays and studied as sorbents for pentachlorophenol (PCP). The organic cations used ranged fro...
Vapor-Phase Sorption Kinetics for Tetrahydrofuran, Tetrahydropyran, and 1,4-Dioxan by Al3+- and Cr3+-Exchanged Montmorillonite
Adsorption Cyclic ethers Diffusion Montmorillonite Vapor
2012/1/11
The rate of vapor-phase sorption of tetrahydrofuran (THF), tetrahydropyran (THP), and 1,4-dioxan (DIOX) onto a Wyoming montmorillonite saturated with Al3+ or Cr3+ has been studied by isothermal gravim...
Vapor-Phase Sorption Kinetics for Methanol, Propan-2-OL, and 2-Methylpropan-2-OL on Al3+-, Cr3+-, and Fe3+-Exchanged Montmorillonite
Adsorption Alcohol Diffusion Grain size Mass transfer Montmorillonite
2012/1/11
The rate of sorption of methanol (MeOH), propan-2-ol (i-PrOH), and 2-methyl-propan-2-ol (t-BuOH) onto a Wyoming montmorillonite saturated with Al3+-, Cr3+-, or Fe3+-cations has been studied by isother...
Quinoline Sorption on Na-Montmorillonite: Contributions of the Protonated and Neutral Species
Adsorption Cation exchange Montmorillonite Quinoline Vanselow selectivity
2012/1/10
Dilute aqueous solutions of quinoline were contacted with Na-montmorillonite to elucidate the sorption process of the neutral and protonated species. Sorption occurs via a combination of ion exchange ...
Sorption, Desorption, and Isotope Exchange of Cesium (10−9–10−3 M) on Chlorite
Acid treatment Cation exchange Cesium Chlorite Isotope exchange Sorption
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...
Apparent and Partial Specific Sorption of Oxine by Montmorillonite and Silica Gel in Binary Mixtures
Adsorption Mixtures Montmorillonite Oxine Silica gel Specific sorption
2012/1/12
Oxine sorption by binary mixtures of montmorillonite and silica gel was studied at pH 5 as a function of oxine concentration and mixture composition. The investigation was made to resolve the problem ...
Vapor-Phase Sorption and Polymerization of Phenols by Smectite in Air and Nitrogen
Adsorption Mass spectrometry Nitrogen Phenols Pollution Polymerization Smectite
2012/1/13
Reactions of smectite with phenols were investigated to understand the role of clay minerals in abating transport of these organic pollutants to ground water. Sorption of o-methylphenol, o-chloropheno...
Co, Cu, Ni, and Ca Sorption by a Mixed Suspension of Smectite and Hydrous Manganese Dioxide
Adsorption Analytical transmission electron microscopy Birnessite Cation exchange Manganese oxide Montmorillonite Transition metals
2012/1/13
The sorption properties of Co, Cu, Ni, and Ca were studied in a mixed mineral suspension of synthetic MnO2 and Wyoming montmorillonite. The distribution of the sorbed cations between the two solid pha...
Sorption of Uranium and Radium by Biotite, Muscovite, and Phlogopite
Anion exchange Biotite Cation exchange Muscovite Phlogopite Radium Sorption Uranium
2012/2/7
The sorption of U and Ra on finely ground biotite, muscovite, and phlogopite was adequately described by the Freundlich adsorption equation, (x/m) = KCn, at low U and Ra concentrations despite Ra prec...
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...