Results 161 to 170 of about 3,253 (216)
Effect of different shapes of steel fibers and palygorskite-nanofibers on performance of ultra-high-performance concrete. [PDF]
Sci RepHuang Y +5 more
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Zeolites synthesis from phyllosilicates and their performance for CO2 adsorption. [PDF]
Environ Sci Pollut Res IntEssih S +8 more
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Adsorption of the herbicide 2,4-D on organo-palygorskite [PDF]
Applied Clay Science, 2010 Among the clay minerals, montmorillonite is the most extensively studied material using as adsorbents, but palygorskite and its organically modified products have been least explored for their potential use in contaminated water remediation.
Yunfei Xi +2 more
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Effect of rehydration on structure and surface properties of thermally treated palygorskite [PDF]
Journal of Colloid and Interface Science, 2013 Palygorskite has a fibrous like morphology with a distinctive layered appearance. The simplified formula of palygorskite (Mg5Si8O20(OH)2(OH2)4 nH2O) indicates that two different types of water are present.
Tianhu Chen +2 more
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Applied Clay Science, 2020
Abstract The effects of pH on the structures, compositions, morphologies, Zeta potential, and gel properties of montmorillonite, palygorskite and their composite clays were investigated in the study. With the increase in pH, the above properties of montmorillonite, palygorskite and their composite clays showed different changing trends.
Zepeng Zhang
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Abstract The effects of pH on the structures, compositions, morphologies, Zeta potential, and gel properties of montmorillonite, palygorskite and their composite clays were investigated in the study. With the increase in pH, the above properties of montmorillonite, palygorskite and their composite clays showed different changing trends.
Zepeng Zhang
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Soil Science, 1999
Flocculation of palygorskite has not been studied in detail. We have investigated flocculation of reference palygorskites, palygorskite-montmorillonite mixtures, and palygorskite containing soil clays. The flocculation values (FVs) of the clays were measured in a series of test tubes according to van Olphen (1977).
Alexander Neaman, Arieh Singer
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Flocculation of palygorskite has not been studied in detail. We have investigated flocculation of reference palygorskites, palygorskite-montmorillonite mixtures, and palygorskite containing soil clays. The flocculation values (FVs) of the clays were measured in a series of test tubes according to van Olphen (1977).
Alexander Neaman, Arieh Singer
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Mössbauer Studies of Palygorskite and Some Aspects of Palygorskite Mineralogy
Clays and Clay Minerals, 1981AbstractFe3+ ions in palygorskite occupy sites at the edges and in the interior of the alumino-silicate chains. The Mössbauer parameters of the doublets associated with Fe3+ ions in edge sites indicate that the sites have a regular 6 coordination. Fe3+ ions in the interior of the chains occupy M(1) sites in three of the samples examined and M(2) sites ...
L. Heller-Kallai, I. Rozenson
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Journal of Polymer Engineering, 2009
Novel superabsorbent composites based on partially neutralized acrylic acid (SA) and palygorskite (PLG) were synthesized by aqueous solution polymerization. The effects of PLG, organo-PLG (O-PLG) and the content of PLG in the copolymeric gels on the water sorption and the initial swelling rate in deionized water and saline solution (0.2 wt% NaCl (aq) )
F. Santiago, A.E. Mucientes, B. Talavera
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Novel superabsorbent composites based on partially neutralized acrylic acid (SA) and palygorskite (PLG) were synthesized by aqueous solution polymerization. The effects of PLG, organo-PLG (O-PLG) and the content of PLG in the copolymeric gels on the water sorption and the initial swelling rate in deionized water and saline solution (0.2 wt% NaCl (aq) )
F. Santiago, A.E. Mucientes, B. Talavera
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Structure defects in palygorskite
Clay Minerals, 1984It is well established that palygorskite has an amphibole-like, double-chain structure. The linked tetrahedral groups forming continuous sheets are divided into ribbons of various widths due to alternation of the direction of tetrahedra which run parallel to the fibre axis (Brindley, 1980).
S. Lokanatha, S. Bhattacherjee
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Thermal analysis of palygorskite
Thermochimica Acta, 1975Abstract Slickensides and fissures in a fresh outcrop of silicified limestones at the Burgenstock (Switzerland) contained palygorskite. According to TG, DTA and heating X-ray experiments, dehydration of the palygorskite took place in four steps. Each step clearly showed an alteration in the unit cell dimensions.
W. Hirsiger +2 more
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