Results 121 to 130 of about 1,254 (182)

Aluminum Extractions by the Alkali Method Directly from Alkali-Acid (NaOH-HCl) Chemical Deashing of Coals. [PDF]

Materials (Basel)
Zhao L.
europepmc   +1 more source

Mesoscale Simulations Reveal How Salt Influences Clay Particles Agglomeration in Aqueous Dispersions. [PDF]

J Chem Theory Comput
Le TTB, Finney AR, Zen A, Bui T, Tay WJ, Chellappah K, Salvalaglio M, Michaelides A, Striolo A.   +8 more
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ADSORPTION OF PHOSPHATE BY GIBBSITE

Journal of Soil Science, 1976
Summary The effects of the salts were studied using I per cent suspensions of gibbsite at pH 5.5 and 26°C. At 480μM phosphate and I mM calcium, the kinetic pattern was an initial rapid adsorption reaction, which approached equilibrium in 24 h, revealing a slower reaction.
K. R. HELYAR, D. N. MUNNS, R. G. BURAU
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Structural and Electronic Properties of Bulk Gibbsite and Gibbsite Surfaces

Zeitschrift für anorganische und allgemeine Chemie, 2005
AbstractStructure and electronic structure of gibbsite and gibbsite surfaces are studied using gradient‐corrected density functional theory and a density‐functional based tight‐binding (DFTB) scheme. The electronic density‐of‐states (DOS) is insignificantly changed when comparing bulk and single‐layer (001) surfaces, but changes for other surfaces, as ...
Johannes Frenzel, Augusto F. Oliveira, Helio A. Duarte, Thomas Heine, Gotthard Seifert   +4 more
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Hydrothermal process of synthetic gibbsite and the characteristics of Na in gibbsite crystal

Chemical Papers, 2018
The presence of Na in synthetic gibbsite was studied by several modern testing methods such as X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray spectroscopy and inductively coupled plasma. Results show that Na is located between gibbsite crystals and is not present as sodium aluminosilicate hydrate in synthetic gibbsite ...
Hui-bin Yang, Feng-qin Liu, Hong-liang Zhao, Rui Wu   +3 more
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Gibbsite and Goethite Solubility

Soil Science Society of America Journal, 2005
2‐Ketogluconate (kG) is a microbial byproduct that has been isolated from the rhizosphere of several plants and has been found to accumulate around bacteria adhering to rock surfaces. It has long been suspected that kG may play a role in enhancing the bioavailability of soil nutrients.
Michael E. Essington, Julia B. Nelson, William L. Holden   +2 more
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Adsorption of oxalate on gibbsite

Hydrometallurgy, 1986
Abstract The adsorption of oxalate ion on gibbsite was measured using a radiotracer. For oxalate concentrations of 2 to 18 mol/m 3 , Na 2 O of 0.1 to 0.125 g/cm 3 and Al 2 O 3 /Na 2 O of 0.21 to 0.32 by weight, the adsorption appears to about 0.02 μmol/m 2 , or less than 0.01 monolayer.
Jeffrey P. Kingsley, William R. Wilcox
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On the mechanistic modeling of As(III) adsorption on gibbsite

Chemosphere, 2003
Arsenite adsorption on gibbsite was examined as a function of pH, ionic strength (I) and contact time (t(C)). As(III) showed a weak affinity for gibbsite surface. The trends of pH=f(Gamma(ads)) curves have showed a marked deviation from a typical anion adsorption edge showing a maximum Gamma(ads) around pH approximately 8.2.
R, Weerasooriya, H J, Tobschall, H K D K, Wijesekara, E K I A U K, Arachchige, K A S, Pathirathne   +4 more
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Radiolysis of thermally dehydrated gibbsite

Materials Chemistry and Physics, 2021
Abstract Aluminum hydroxide (gibbsite, Al ( OH ) 3 ) powders and their thermally dehydrated forms were rehydrated and irradiated with gamma rays to examine the effects of the collapse of the crystalline gibbsite structure as it is converted to alumina on the transport of precursors of molecular hydrogen to the surface.
Elizabeth Briley, Patricia Huestis, X. Zhang, K.M. Rosso, Jay A. LaVerne   +4 more
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Antimony sorption at gibbsite–water interface

Chemosphere, 2011
Antimony (Sb) is extensively used in flame retardants, lead-acid batteries, solder, cable coverings, ammunition, fireworks, ceramic and porcelain glazes and semiconductors. However, the geochemical fate of antimony (Sb) remained largely unexplored. Among the different Sb species, Sb (V) is the dominant form in the soil environment in a very wide redox ...
Sudipta, Rakshit, Dibyendu, Sarkar, Pravin, Punamiya, Rupali, Datta   +3 more
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