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Assessment of Soil Heavy Metal Cu, Zn and Cd Pollution in Beijing, China
Beijng Cd Cu Soil Heavy Metal Pollution Zn
2011/12/21
The soil heavy metal pollution have be paid more attention because the sources of soil heavy metals become multiple and complicated with the accelerated urbanization. According to this research, the o...
Removal of Cd(II) from Aqueous Solution by Electrospun Nylon 6 Nanofibrous Nonwoven Containing Attapulgite
Adsorption Attapulgite Electrospun Fiber Nylon 6
2011/11/15
The attapulgite powders modified by silicane coupling agent are loaded onto the surface of nylon 6 nanofibers by immersing the nylon 6 electrospun fiber nonwoven in a bath containing modified attapulg...
Removal of Cd(II) from aqueous solution by a composite hydrogel based on attapulgite
composite hydrogel attapulgite cadmium adsorption mechanism thermodynamic parameters
2011/10/10
Chitosang-poly(acrylic acid)/attapulgite composite with 30 wt% attapulgite content was used to remove Cd(II) from aqueous solutions. The parameters influencing the adsorption were investigated. When C...
Removal of Cd(II) from aqueous solution by a composite hydrogel based on attapulgite
composite hydrogel attapulgite cadmium adsorption mechanism thermodynamic parameters
2011/12/13
Chitosang-poly(acrylic acid)/attapulgite composite with 30 wt% attapulgite content was used to remove Cd(II) from aqueous solutions. The parameters influencing the adsorption were investigated. When C...
The Impact of EC and pH on the Adsorption of Zn and Cd by Palygorskite Mineral
Palygorskite Zn Cd Langmuir Freundlich adsorption
2011/11/4
The effects of various experimental parameters were investigated using a batch adsorption technique. Adsorption of Cd and Zn by pure palyorskite as a function of pH(pH 6, 8 and 10), EC (EC 4, 6 and 8)...
A Nuclear Magnetic Resonance (NMR) and Fourier-Transform Infrared (FTIR) Study of Glycine Speciation on a Cd-Rich Montmorillonite
Adsorption Amino Acids Cadmium Glycine Montmorillonite Speciation
2011/12/6
Abstract: As a consequence of treatments with glycine solutions, glycine molecules enter the interlayer of both Ca- and Cd-rich montmorillonite. Measurements of d value suggest that at low glycine con...
Coprecipitates of Cd, Cu, Pb and Zn in Iron Oxides: Solid Phase Transformation and Metal Solubility after Aging and Thermal Treatment
Aging Study Coprecipitation Electron Microprobe Analysis Ferrihydrite Transformation Metal Solubility Rate of Titration Thermal Treatment
2011/12/8
Abstract: Solid phase transformation and metal solubility were monitored after coprecipitation of Cd2+, Cu2+, Pb2+ and Zn2+ with Fe3+ to form ferrihydrite by titration to pH 6. The (co)precipitates we...
Modeling Adsorption-Desorption Processes of Cd on Montmorillonite
Cadmium Cation Adsorption Model Hysteresis Montmorillonite
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...
Brazilian Red Latosol a Typic Soil as an Exchanger: A Thermodynamic Study Involving Cu, Zn, Cd, Hg, Pb, Ca and Na
Adsorption Ionic Exchange Isotherm Langmuir Method Red Latosol Soil
2011/12/9
Abstract: The thermodynamic cationic exchange process involving divalent (Cu, Zn, Cd, Hg, Pb and Ca) and monovalent (Na) cations in Brazilian red Latosol soil was studied. Using a batchwise method, th...