Kinetics of cadmium desorption from fibrous silicate clay minerals: Influence of organic ligands and aging

2007 ◽  
Vol 37 (1-2) ◽  
pp. 175-184 ◽  
Author(s):  
Mehran Shirvani ◽  
Hossein Shariatmadari ◽  
Mahmoud Kalbasi
Keyword(s):  
Clay Minerals ◽  
Organic Ligands ◽  
Silicate Clay ◽  
Kinetics Of

Effect of divalent cations on the kinetics of Fe(III) complexation by organic ligands in natural waters

2008 ◽  
Vol 72 (5) ◽  
pp. 1335-1349 ◽  
Author(s):  
Manabu Fujii ◽  
Andrew L. Rose ◽  
T. David Waite ◽  
Tatsuo Omura
Keyword(s):  
Natural Waters ◽  
Divalent Cations ◽  
Organic Ligands ◽  
Kinetics Of

A two-stage model for the formation of clay minerals from tephra-derived volcanic glass

Clay Minerals ◽  
1990 ◽  
Vol 25 (3) ◽  
pp. 313-327 ◽  
Author(s):  
A. P. W. Hodder ◽  
B. E. Green ◽  
D. J. Lowe
Keyword(s):  
Clay Minerals ◽  
Late Quaternary ◽  
Volcanic Glass ◽  
Chemical Processes ◽  
Diffusion Controlled ◽  
Tephra Layers ◽  
Clay Formation ◽  
Kinetics Of ◽  
Calculated Activation ◽  
Rhyolitic Tephra

AbstractThe kinetics of clay formation in buried paleosols developed from late Quaternary rhyolitic tephra layers near Rotorua, New Zealand, can be described in terms of a combination of parabolic and linear kinetics, reflecting the hydration of glass, and the formation of clay minerals, respectively. Such a model is consistent with the formation of clay minerals showing an Arrhenian temperature dependence and suggests, on the basis of calculated activation energies, that the process of formation of Al-rich allophane (imogolite) is diffusion controlled, whereas the rate of formation of Si-rich allophane is controlled by the chemical processes at the site of reaction.

Adsorption of organic ligands on low surface charge clay minerals: the composition in the aqueous interface region

2018 ◽  
Vol 20 (25) ◽  
pp. 17226-17233 ◽  
Author(s):  
S. Jelavić ◽  
S. L. S. Stipp ◽  
N. Bovet
Keyword(s):  
Aqueous Solutions ◽  
Surface Charge ◽  
Clay Minerals ◽  
Organic Ligands ◽  
Interface Region ◽  
Direct Measurements

We show direct measurements of the composition in the interface between clay minerals and aqueous solutions containing organic ligands.

Organic ligands influence leaching kinetics of fixated FGD material

Fuel ◽  
2008 ◽  
Vol 87 (13-14) ◽  
pp. 3137-3146 ◽  
Author(s):  
C CHENG ◽  
Y HWANG ◽  
J LENHART ◽  
H WALKER
Keyword(s):  
Organic Ligands ◽  
Leaching Kinetics ◽  
Kinetics Of
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