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In-Depth Analysis of Calcium Bentonite: Properties and Uses. Calcium Bentonite, a versatile clay predominantly composed of montmorillonite infused with calcium ions, possesses unique properties that make it an asset …
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Each type of bentonite is named after the corresponding predominant element such as Potassium (K), Sodium (Na), Calcium (Ca) and Aluminum (Al). Experts discuss a number of nomenclature problems with the classification of …
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Chemical Composition Analysis: Techniques such as X-ray fluorescence (XRF) provide precise chemical profiles, which help in understanding the behavior of bentonite in different …
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To predict the long-term performance of a bentonite buffer, numerical modelling is required in order to be able to simulate the reactions of all accompanying mineral phases. …
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composition affects the properties of bentonite. On the other hand, the measured physical characteristics are frequently used to interpret the mineralogical composition of bentonite. Two …
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Thirty six bentonite samples from 16 different locations were examined in order to demonstrate the applicability of a new Rietveld description approach for quantitative phase …
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Analysis of Bentonite XRD analysis of the raw bentonite powder is shown in Figure 1.The major mineralogical component of the bentonite is montmorillonite, an absorbent aluminium …
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Bentonite predominantly comprises minerals from the smectite group, especially montmorillonite, along with accessory minerals such as quartz and feldspar (Grim and Güven, …
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infrared spectral (IR) analysis and Scanning electron microscopy (SEM) were employed to characterize bentonite samples from Ashaka and Tango (Gombe State, Nigeria). The results …
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SEM-BSE analysis of polished, embedded blocks of the bentonite revealed key aspects of its texture, fabric, and composition. Low magnification images ( Fig. 4 a ) captured a …
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The composition of the rock‑forming oxides of bentonite clay has been established by X‑ray fluorescence spectral analysis. The mineralogical composition was studied by …
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Bentonite is an important source of montmorillonite, but has a complex surface chemistry that results from its unique combination of properties, including thixotropic gel …
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Mineral analysis of bentonite from the two areas revealed a difference in the mineral composition. The bentonite of the Um Al Rozm area is Na-bentonite, while the …
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Trumer conducted calcination on bentonite in the Westwald region at 900 ℃, using it to replace 30 % of cement for calcined bentonite cement, enhancing strength and early …
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For elemental composition analysis, approximately 0.7 g of the ignited clay samples were mixed with 0.1 g of lithium nitrate (LiNO 3) and 6.0 g of 50/50 flux ... The …
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The main chemical composition of bentonite is montmorillonite (85–90%, (Na, Ca) 0.33 (Al, Mg) 2 Si 4 O 10 (OH) 2 ⋅nH 2 O), which exhibits the great difference in composition …
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XRF analysis was carried out to confirm the changes in the chemical composition of the bentonite clay due to acid treatment as described in Section 2.3. The results are presented …
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Bentonite is a sedimentary clay rock composed mainly of montmorillonite [22,23]. Its chemical composition includes mainly silicon with iron oxides and small amounts of Mg, K, and Ca [24]. Due...
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A partial transformation of bentonite into kaolinite in KOH solutions was obtained at a temperature of 80°C (Ye et al., Reference Ye, He, Chen, Chen and Cui 2016). Bentonite-NaOH and bentonite-KOH mixtures did not set due to the …
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However, the organic carbon contents as well as the overall NOM composition indicated by the NMR analysis demonstrated that the results were within the natural variability …
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The discriminant analysis (DA) and principal component analysis (PCA) were applied to study the effect of BT groups of different component composition on the formation of …
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Bentonite are very fine grained clays. They vary in colour from cream to olive green. Bentonite shows conchoidal or sub-conchoidal fracture; can be easily cut with knife into thin …
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a b s t r a c t X-ray powder diffraction (XRPD) analysis demonstrated that the main montmorillonite component of Unye bentonite was more effective in the Pb 2+, Cu 2+, Ni 2+, …
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A combination of some analytical techniques such as X-ray Flourescence (XRF), X-ray diffraction (XRD), infrared spectral (IR) analysis and Scanning electron microscopy (SEM) …
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The aim of this paper is to study the physico-chemical and structural properties of Karaçeva bentonite, as well as to determine how acid activation can change the chemical composition …
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Chemical composition and thermal characteristics were determined for raw bentonite and specimens by Fourier-transform infrared spectroscopy (FT-IR) and thermogravimetric/differential thermal analysis (TGA/DTA).
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Bentonite presents complexity at various scales: (1): a single mineral may present different chemical composition within the same quarry (e.g., feldspars solid solutions); (2): …
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Currently, the mining activity is focused on perlite and bentonite, even though some years ago, kaolin, silica, pozzolans and barite were also exploited. ... δ 13 Corganic …
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PDF | On Jan 1, 1994, Masakazu Ito and others published Mineral Composition Analysis of Bentonite | Find, read and cite all the research you need on ResearchGate
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2.3 Rheological tests. The rheological properties of bentonite mud were evaluated using a rheometer to measure parameters such as yield stress, plastic viscosity, and …
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Key Words—Bentonite, Quantification, Rietveld Analysis, Smectite. INTRODUCTION The quantitative mineral content of bentonites is ... analysis of the mineralogical composition. The …
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Bentonite is a claystone formed by a complex mineralogical mixture, composed of montmorillonite, illite, and accessory minerals like quartz, cristobalite, feldspars, carbonates, and minor amounts of iron oxy-hydroxides.
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BENTONITE. Bentonite is a type of montmorillonite clay widely employed as a fining agent. It is used in clarifying juice and wines, in removing heat-unstable proteins, and in limiting the …
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Microstructural analysis was performed using scanning electron microscopy coupled with energy dispersive spectroscopy (SEM-EDS) to study the morphology, texture and …
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Bentonite is a sedimentary clay containing aluminum phyllosilicate material and is formed from the weathering and aging of the volcanic ash. Bentonite is a natural material …
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