Showing 2,261 - 2,280 results of 2,466 for search '"kaolinite"', query time: 0.15s Refine Results
  1. 2261

    Effect of temperature and clay addition on the thermal behavior of phosphate sludge by M.A. Harech, M. Mesnaoui, Y. Abouliatim, Y. Elhafiane, A. Benhammou, A. Abourriche, A. Smith, L. Nibou

    Published 2021-05-01
    “…For clay, it mainly consisted of illite, kaolinite, quartz, calcite, and dolomite. After clay sintering at high temperature, a new phase was formed, i.e. anorthite. …”
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  2. 2262
  3. 2263

    Effect of magnesium rich synthetic gypsum application on ultisol properties and growth of oil palm seedlings by Ayanda, Arolu Fatai

    Published 2017
    “…The clay fraction of the soil was dominated by kaolinite, gibbsite, goethite, and hematite; thus, the plant nutrient status of the soil is low. …”
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    Thesis
  4. 2264

    Effects of coated urea fertilizers on growth and yield of MR219 rice (Oryza sativa L.) by A. Rahman, Nur Syamimi

    Published 2016
    “…Six different types of fertilizers were tested, namely U, SCU, GSCUP (gypsum and sulfur coated urea using rotating pan), GSCUD (gypsum and sulfur coated urea using rotating drum), DCU (dolomite coated urea), and KCU (kaolinite coated urea). The outcomes showed that the application of DCU to the crop improved the growth as well as the productivity of the rice yield. …”
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    Thesis
  5. 2265

    Temperature condition, sulfidation state, and gold formation mechanism of the Atash- Anbar polymetallic deposit (south Qazvin) based on mineralization, alteration and chemistry of... by Ebrahim Tale Fazel, Narges Alaei Moghtader, Abbas Oroji

    Published 2022-06-01
    “…Argillic alterations (kaolinite-illite±dickite mineral assemblage) together with silicification alteration (quartz± jasper assemblage) are the main alterations in the area. …”
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  6. 2266

    Lower Cretaceous Rodby and Palaeocene Lista Shales: Characterisation and Comparison of Top-Seal Mudstones at Two Planned CCS Sites, Offshore UK by Richard H. Worden, Michael J. Allen, Daniel R. Faulkner, James E. P. Utley, Clare E. Bond, Juan Alcalde, Niklas Heinemann, R. Stuart Haszeldine, Eric Mackay, Saeed Ghanbari

    Published 2020-08-01
    “…The Lower Cretaceous Rodby Shale has a mean porosity of approximately 14 %, a mean permeability of 263 nD (2.58 × 10<sup>−19</sup> m<sup>2</sup>), and is calcite rich and has clay minerals that are relatively rich in non-radioactive phases such as kaolinite. The Palaeocene Lista Shale has a mean porosity of approximately 16% a mean permeability of 225 nD (2.21 × 10<sup>−19</sup> m<sup>2</sup>), and is calcite free, but contains abundant quartz silt and is dominated by smectite. …”
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  7. 2267

    Krasnoshteinite, Al<sub>8</sub>[B<sub>2</sub>O<sub>4</sub>(OH)<sub>2</sub>](OH)<sub>16</sub>Cl<sub>4</sub>⋅7H<sub>2</sub>O, a New Microporous Mineral with a Novel Type of Borate Po... by Igor V. Pekov, Natalia V. Zubkova, Ilya I. Chaikovskiy, Elena P. Chirkova, Dmitry I. Belakovskiy, Vasiliy O. Yapaskurt, Yana V. Bychkova, Inna Lykova, Sergey N. Britvin, Dmitry Yu. Pushcharovsky

    Published 2020-04-01
    “…It occurs as transparent colourless tabular to lamellar crystals embedded up to 0.06 x 0.25 x 0.3 mm in halite-carnallite rock and is associated with dritsite, dolomite, magnesite, quartz, baryte, kaolinite, potassic feldspar, congolite, members of the goyazite–woodhouseite series, fluorite, hematite, and anatase. …”
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  8. 2268

    Mineralogy and geochemistry of the Jurassic coals from the Gheshlagh mine, Eastern Alborz by Gholam Hossein Shamanian, Fatemeh Hosseini Ashlaghi

    Published 2015-10-01
    “…Petrographic and mineralogical investigations indicate that the dominant mineral phases of the Gheshlagh coals are quartz, kaolinite, montmorillonite, albite, muscovite, illite and pyrite. …”
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  9. 2269

    Effects of Organic Matter Removal on Potassium Adsorption Isotherms in Different pH Values at Some Soil of Khuzestan Province by Atefeh Amouzadeh, Ahmad Landi, Saeid Hojati

    Published 2017-02-01
    “…Adsorption sites for K by organic matter are similar to planar surfaces like kaolinite clays. Soil pH has also significant effect on K adsorption as CEC increases with increase in pH. …”
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  10. 2270

    Avaliação preliminar do emprego de arenito zeolítico da região nordeste do Brasil como material pozolânico para cimento Portland Preliminary evaluation of sandstones from northeast... by M. S. Picanço, R. S. Angélica, M. S. Barata

    Published 2011-12-01
    “…The same happens with kaolinite that needs thermal treatment above 550 ºC to convert to the amorphous phase metakaolin in order to be used as one of the most commons pozzolans in the cement industry. …”
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  11. 2271

    The study of fluid inclusions and genesis of mineralization in the northwest of Gonabad, the Southern Khorasan Razavi province by Sedigheh Zirjanizadeh, Mohmmad Hassan Karimpour, Somayeh Samiee, Azam Entezari Hersini

    Published 2020-11-01
    “…The mineralogical compositions of this clay deposits are quartz, kaolinite, dickite, montmorillonite and hematite. …”
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  12. 2272

    Geology and geochemistry of the Choran porphyry-epithermal Cu-Au deposit in the Dehej-Sarduveyeh subzone, Urumieh-Dokhtar magmatic arc by Alireza Zarasvandi, Majid Tashi, Mohsen Rezaei, Adel Saki, Fardin Mousivand

    Published 2022-06-01
    “…The hydrothermal alteration consisting of sodic-potassic, potassic, phyllic alunite and kaolinite are associated with granodiorite and quartz diorite intrusions. …”
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  13. 2273

    Caracterização física e química dos filitos Açungui (PR) visando sua utilização pela indústria cerâmica Physical and chemical characteristics of Açungui phillites (PR, Brazil) for... by J. C. Biondi, E. S. Marczynski

    Published 2004-03-01
    “…<br>Analysis of 12 samples of Açungui phyllites showed rocks composed by sericite, kaolinite, quartz and goethite, without smectites and chlorites, and locally with sodiam zeolites. …”
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  14. 2274

    Properties, classification and suitability of Malaysian soils derived from granite-gneiss and potential of basalt to improve growth of rubber (Hevea brasiliensis Müll. Arg.) by Mokhatar, Mohd Shafar Jeffri

    Published 2017
    “…In terms of clay mineralogy, it is dominated by kaolinite, as shown in XRD diffractogram at reflections 7.2 Å, 3.58 Å and 3.4 Å, followed by gibbsite at 4.82 Å and 4.32 Å. …”
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    Thesis
  15. 2275

    Selective Dissolution of Clay Minerals in Tight Sandstone by Organic Acids by YANG Fei, SHEN Zhichao, DU Jiangmin, WANG Fang, DONG Bo

    Published 2023-05-01
    “…The main mineral in contact with crude oil is of clay composition in dense sandstone reservoirs[23-25]. Chlorite, kaolinite, illite and other minerals are common and important clay mineral types. …”
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  16. 2276

    Efeito do pH na adsorção e dessorção de cádmio em Latossolos brasileiros Effect of pH on cadmium adsorption and desorption in Brazilian Oxisols by Maria Aparecida Pereira Pierangeli, Luiz Roberto Guimarães Guilherme, Nilton Curi, Marx Leandro Naves Silva, José Maria de Lima, Enio Tarso de S. Costa

    Published 2005-07-01
    “…The effect of soil attributes on Cd ads was only evidenced at a pH of 5.5 and 6.5, by the correlations between Cd ads and the soil organic matter, specific superficial area (SSA), CEC at pH 7.0 (CEC), kaolinite, hematite, oxalate-and-DCB-Fe and clay contents. …”
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  17. 2277

    Gênese de solos derivados de rochas ultramáficas serpentinizadas no sudoeste de Minas Gerais Genesis of soils formed from ultramafic serpentinized rocks in southwestern Minas Gerai... by Pablo Vidal-Torrado, Felipe Macias, Rosa Calvo, Sebastião Gomes de Carvalho, Alexandre Christófaro Silva

    Published 2006-06-01
    “…The latter is abundant in the silt fraction. Iron oxides, kaolinite and chlorite-smectite and chlorite-vermiculite interlayers complete the mineralogical assembly. …”
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  18. 2278

    The effect of (NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub> on the freezing properties of non-mineral dust ice-nucleating substances of atmospheric relevance by S. E. Worthy, A. Kumar, Y. Xi, J. Yun, J. Chen, C. Xu, V. E. Irish, P. Amato, A. K. Bertram

    Published 2021-10-01
    “…Conversely, (NH<span class="inline-formula"><sub>4</sub>)<sub>2</sub></span>SO<span class="inline-formula"><sub>4</sub></span> increased the median freezing temperature of four different mineral dusts (potassium-rich feldspar, Arizona Test Dust, kaolinite, montmorillonite) by 3 to 9 <span class="inline-formula"><sup>∘</sup></span>C and increased the ice nucleation active site density per gram of material (<span class="inline-formula"><i>n</i><sub>m</sub>(<i>T</i>))</span> by a factor of <span class="inline-formula">∼</span> 10 to <span class="inline-formula">∼</span> 30. …”
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  19. 2279
  20. 2280

    Geochemical properties of major and rare earth elements in the South Kouchek-Ali Coal Mine, Tabas by Marzieh Alimolaei, Balandeh Aminzadeh

    Published 2019-07-01
    “…Positive correlations of ∑REEs with Al2O3, SiO2, and TiO2 suggest that the REEs are mainly derived from detrital sources and occur dominantly in kaolinite and illite. The concentrations of ∑REEs in representative samples range from 69.54 to 113.06 ppm with an average value of 127.94 ppm, higher than the average ∑REE content of the USA (53.59 ppm) (Finkelman, 1993) and worldwide coals (68ppm) (Yudovich and Ketris, 2006), but lower than that of average Chinese coals (162.51 ppm) (Dai et. al., 2008). …”
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