Kaolin geopolymers were produced by the alkali-activation of kaolin with an activator solution (a mixture of NaOH and sodium silicate solutions). The NaOH solution was prepared at a …
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Silicate chemistry also has been used as a means of coating natural filler materials to improve their properties (Novak 1982). To accomplish this, calcium chloride solution was combined …
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This study presents the characterization of sodium silicate prepared from Kankara kaolin. Mineralogical, chemical and thermogravimetrical characterizations were carried out using XRD, UV/VIS...
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This paper aimed to analyze the effect of NaOH concentration on the compressive strength of kaolin geopolymers at 80°C for 1, 2, and 3 d. Kaolin geopolymers were stable in …
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The ratio of total fly ash, rice husk ash, and kaolin to fine aggregate was kept at 1:2.75. While the sodium silicate to NaOH ratio and water to solid ratio were maintained at 2.0 and 0.39-0.40, …
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Kaolin in paper filling not only reduces the cost but also improves the paper quality. Paper in which kaolin clay is used looks bright, smooth and with high opacity. Kaolin in Paper Coating. Kaolin is used in paper manufacturing …
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Kaolin is one of several types of clay minerals. The most common crystalline phase constituting kaolin minerals is kaolinite, with the chemical composition Al2Si2O5 (OH)4. Kaolin is...
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Highly stable colloidal silica with a zeta potential value of −75.6 mV was prepared by peptization method. The process utilizes abundant kaolin clay as a cost-effective and …
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This study presents the characterization of sodium silicate prepared from Kankara kaolin. Mineralogical, chemical and thermogravimetrical characterizations were carried out using XRD, UV/VIS...
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compressive strength of sodium silicate bonded kaolin refractory bricks was studied. The materials used for this research work included refractory cla y obtained from Ijero-Ekiti (7o 49 …
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