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The nature of clay-cation association dictates clay behaviour in aqueous suspensions
nature clay-cation association dictates clay behaviour aqueous suspensions
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2012/3/30
Dispersive behaviour of soil clays has been explained by soil scientists using hypotheses involving various electrical diffuse double layer forces generated between colloidal clay particles suspended ...
Stabilization of aqueous suspensions of palygorskite by thermal vapour pressure shock explosion (TSE) treatment
clay minerals palygorskite thermal vapour pressure shock explosion
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2011/11/10
Abstract A device was constructed in which a clay suspension is hermetically heated at 220°C for a few minutes. This thermal treatment is accompanied by a pressure increase in the cell. Once the valv...
Oxidation of Phenol in Acidic Aqueous Suspensions of Manganese Oxides
Buserite Feitknechtite Manganese oxide Manganite Oxidation Phenol Quinones Reduction potential
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2011/12/30
Phenol (benzenol) oxidation by three synthetic manganese oxides (buserite, manganite, and feitknechtite) has been studied in aerated, aqueous, acidified suspensions. The rate of reaction was pH depend...
Oxidation of Dihydroxybenzenes in Aerated Aqueous Suspensions of Birnessite
Birnessite Dihydroxybenzene Electron spin resonance Manganese Oxidation
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2012/1/5
The oxidation of 1,2- and 1,4-dihydroxybenzenes (1,2-DHB and 1,4-DHB) by unbuffered aerated suspensions of synthetic birnessite was studied by continuously monitoring the H+, Mn2+ dissolved O2, and or...
Size Distribution of Allophane Unit Particles in Aqueous Suspensions
Allophane High-resolution transmission electron microscopy Morphology Particle size Small-angle neutron scattering Surface area
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2012/2/2
The size distribution of unit particles of two New Zealand allophanes (An and Rh), in dilute (0.8% w/v) aqueous suspensions, has been determined by small-angle neutron scattering (SANS). In addition, ...
Iron Oxidation and Reduction Effects on Structural Hydroxyl and Layer Charge in Aqueous Suspensions of Micaceous Vermiculites
Iron Oxidation Structural Hydroxyl Layer Aqueous Suspensions Micaceous
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2012/2/15
Four Na2S2O4-reduced Na-vermiculites, each with some trioctahedral mica interstratified, were oxidized with H2O2 at pH 6·5 and again reduced with Na2S2O4 in suspensions at pH 7·5–8·0. The layer charge...