Articles with "kaolinite" as a keyword



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Thermal, morphostructural and spectrometric characterization of an antibacterial kaolinite-based filter modified with silver for water treatment

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Published in 2020 at "Journal of Thermal Analysis and Calorimetry"

DOI: 10.1007/s10973-020-09267-w

Abstract: The aim of this work is to synthesize and characterize a new structured silver–clay dried, calcined or sintered at different temperatures composite by TG–DTA analysis, FTIR spectrometry analysis, XRD and Rietveld refinement, WD-XRF spectrometry, FEG–SEM… read more here.

Keywords: thermal morphostructural; water; analysis; spectrometric characterization ... See more keywords
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Preparation of Fe-Cu-kaolinite for catalytic wet peroxide oxidation of 4-chlorophenol

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Published in 2017 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-017-0859-4

Abstract: Fe-Cu-kaolinites were prepared by co-precipitation and hydrothermal methods, and characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM), where 2 wt.% natural kaolinite was dispersed, and the ratios of (Al + Fe + Cu)/clay = 10 mmol/g and Al/(Fe + Cu) = 5/1 were maintained. The… read more here.

Keywords: wet peroxide; kaolinite; catalytic wet; peroxide oxidation ... See more keywords
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Adsorption of heavy metal from industrial wastewater onto low-cost Malaysian kaolin clay–based adsorbent

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Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-07755-y

Abstract: Adsorption capacity and percentage removal efficiency of Cu(II) and Ni(II) ions were studied and compared between raw kaolinite and acid-activated kaolinite. Acid-activated kaolin was prepared by refluxing raw kaolinite with concentrated sulphuric acid followed by… read more here.

Keywords: adsorption; acid activated; metal; raw kaolinite ... See more keywords
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Characterization of particle orientation of kaolinite samples using the deep learning-based technique

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Published in 2021 at "Acta Geotechnica"

DOI: 10.1007/s11440-021-01266-x

Abstract: This paper reports the use of the deep learning-based technique to characterize the particle orientation of clay samples. The U-Net model was applied to perform semantic segmentation for identifying individual kaolinite particles, based on the… read more here.

Keywords: based technique; learning; deep learning; particle ... See more keywords
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Paleoclimatic and paleoenvironmental reconstruction at Tarfaya Atlantic coastal basin (Morocco) based on clay mineral records from Upper Cretaceous to Quaternary

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Published in 2018 at "Arabian Journal of Geosciences"

DOI: 10.1007/s12517-018-4156-4

Abstract: We generated clay mineral assemblage records on Late Cretaceous to Miocene-Pliocene rocks and on Holocene river sediments at Tarfaya Atlantic coastal basin in Morocco. Results show that illite, chlorite, kaolinite, smectite, and palygorskite originated from… read more here.

Keywords: clay mineral; tarfaya atlantic; illite chlorite; basin ... See more keywords
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Evaluation of some intercalation methods of dimethylsulphoxide onto HCl-treated and untreated Egyptian kaolinite

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Published in 2017 at "Applied Clay Science"

DOI: 10.1016/j.clay.2016.12.005

Abstract: Abstract Dimethylsulphoxide (DMSO)-kaolinite interlayer complexes are important precursors for the organo-modifications of kaolinite. DMSO intercalation into HCl activated (HK) and untreated (UnK) Egyptian kaolinites via four different techniques; reflux of DMSO/water mixture at 70 °C (R1),… read more here.

Keywords: microscopy; spectroscopy; hcl; dmso ... See more keywords
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Efficient preparation of coal-series kaolinite intercalation compounds via a catalytic method and their reinforcement for styrene butadiene rubber composite

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Published in 2021 at "Applied Clay Science"

DOI: 10.1016/j.clay.2021.106237

Abstract: Abstract A series of coal-series kaolinite intercalation compounds were efficiently prepared via a catalytic method. The efficiently prepared intercalation samples were characterized by X-ray diffraction (XRD), Fourier-transform infrared (FT-IR) spectroscopy, scanning electron microscopy (SEM), and… read more here.

Keywords: kaolinite; microscopy; styrene butadiene; intercalation ... See more keywords
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Origin of a kaolinite-NH 4 -illite-pyrophyllite-chlorite assemblage in a marine-influenced anthracite and associated strata from the Jincheng Coalfield, Qinshui Basin, Northern China

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Published in 2018 at "International Journal of Coal Geology"

DOI: 10.1016/j.coal.2017.11.013

Abstract: Abstract The coal from the Jincheng Coalfield, Qinshui Basin, is a medium- to low-ash yield anthracite. The mineral assemblage in the anthracite is dominated by NH4-illite and kaolinite; with varying proportions of pyrophyllite, chlorite, pyrite,… read more here.

Keywords: non coal; jincheng coalfield; coalfield qinshui; coal ... See more keywords
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Occurrence and genesis of tonsteins in the Miocene lignite, Tunçbilek Basin, Kütahya, western Turkey

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Published in 2019 at "International Journal of Coal Geology"

DOI: 10.1016/j.coal.2018.11.015

Abstract: Abstract Abundant beige and white kaolinite claystone layers, 2–50 cm thick from the Tuncbilek basin have the characteristics of tonsteins. The aim of this study was to determine the mode of formation of the tonsteins, together… read more here.

Keywords: kaolinite; basin; organic rich; occurrence ... See more keywords
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Eco-efficient cement based on activated coal washing rejects with low content of kaolinite

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Published in 2021 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2020.122118

Abstract: Abstract Coal washing waste was studied as supplementary cementitious material to evaluate it as new raw materials for ecocements. The influence of temperature (room temperature, 450, 650, and 800 °C) and residence time in the muffle… read more here.

Keywords: eco efficient; coal washing; waste; coal ... See more keywords
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A transparent kaolinite-loaded zinc oxide nanocomposite sunscreen with UV shielding rate over 99% based on bidirectional dispersion

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Published in 2022 at "Nanotechnology"

DOI: 10.1088/1361-6528/ac9e05

Abstract: Nano-sized TiO2 and ZnO are the most efficient and widely used inorganic sunscreen, but they still have some drawbacks including agglomeration, delamination, clogging pores and high cost. In this study, a kaolinite-loaded zinc oxide nanocomposite… read more here.

Keywords: oxide nanocomposite; kaolinite loaded; kaolinite; nanocomposite sunscreen ... See more keywords