Dear Authors, the manuscript revised reports an interesting study regards the feasibility to substitute the commercial feldspar by Black Cinder from Philipines in line with the Circular Economy and the valorisation of the residues .
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Feldspar production reached 34.2 kt in 2015 in Philippines, according to the National Statistical Office. This is 0.093% less than in the previous year. Historically, feldspar production in Philippines reached an all time high of 93.2 kt in 1994 and an all time low of 2.94 kt in 1998.
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Feldspar group minerals play a substantial role in the overall dynamics of macronutrients, K and Ca, in soils. Quantity of feldspars in the soil varies with the intensity and capacity factors...
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Potassium feldspar in the atmosphere bonds immediately with water in the air. Because of potassium feldspar's surface atomic structure made of alternating aluminum and silicon ions, the water on the mineral surface creates …
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To achieve the comprehensive utilization of feldspar minerals, reconcentration of feldspar tailings and the ore dressing process for high-grade feldspar minerals are also reviewed, and subsequent enhancements in preparing higher grade feldspar concentration are highlighted.
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The proposed nomenclature will be presented in two diagrams, one for homogeneous high-temperature disordered feldspars and the other for or dered feldspars in which exsolution has not led to phase separation on a scale significantly …
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Modern classifiers accomplish each of these requirements by optimised feed systems, dispersion zones to separate the particles, and designed particle trajectories that minimise variations within the classifier. Classification in an air classifier is the result of opposing forces in the system.
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Our combined results are consistent with the following mechanisms: ammonium cations undergo ion exchange with K‐feldspar, providing exposed N–H groups for hydrogen bonding with ice; primary ...
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The method of air classification can separate graphite flakes from their masses by taking advantage of their low density and flaky nature. Employing a stream of air to separate granular minerals like quartz and feldspar is …
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To the best of our knowledge, this is the first work to report the potential of black cinder from the Philippines as partial or full replacement of feldspar in the production of stoneware. The feasibility of its use will reduce the dependence of ceramic manufacturing industries on imported feldspar and optimize the utilization of the resource ...
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