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Feldspar, any of a group of aluminosilicate minerals that contain calcium, sodium, or potassium. Feldspars make up more than half of Earth's crust, and professional …
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2.2 Experimental design and samples preparation. Four formulations were designed to study the chamotte effect on electro-technical porcelain insulator properties, where chamotte partially substituted quartz and feldspar as an alternative raw material in the conventional formulation.
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1. Introduction. Feldspars are the most abundant rock-forming minerals in the earth's crust. All feldspars are tectosilicates and share similar "mirrored crankshaft-chain" frameworks of polymerized Al/Si tetrahedra (Ribbe, 1993).Feldspars may differ in composition (interstitial cations and Al content, n Al), average distance between …
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The purpose of this paper is to study the effect and mechanism of Fe3+ on the flotation separation of feldspar and epidote with NaOL as a collector under natural pH value. For this purpose, we evaluated the effect of Fe3+ on minerals' flotation through micro-flotation experiments. The adsorption and mechanism of Fe3+ on the surface of …
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economic affects of feldspar. economic affects of feldspar. Effect Of Dryball Mill On Kaolin Minerals The effect of feldspar and kaolin on mechanical Mar 18 2013 The effect of ball milling for hours at 320 rpm in the presence of the inorganic grinding agent on the particle size of kaolin and feldspar is presented in Figure 1 it is compared with the …
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Corpus ID: 138966584; Effect of sodium and potassium feldspar ratio on the phase development and microstructure of fired porcelain tiles @article{Chatterjee2001EffectOS, title={Effect of sodium and potassium feldspar ratio on the phase development and microstructure of fired porcelain tiles}, author={A. Chatterjee and S. S. Chitwadgi and …
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Moreover, as the feldspar content is changed, modifications in resistivity are identified: as feldspar content is decreased, resistivity increases, for the same temperature (see red arrow in Fig. 4), and this can be related to lowering of conductive species (as Na, K, Li) contributing for the ionic conduction inside the glassy phase [34]. Thus ...
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Like most mineral groups, feldspars a susceptible to a range of shock metamorphic effects from fracturing, kinking, and mosaicism, to formation of planar fea-tures, amorphization, …
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The inorganic-original (meteoric water and deep hot water) and organic-original (kerogen and hydrocarbon degradation) hydrogen ion (H +) in a fluid can probably act as a …
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Effect of different fibers and fiber contents on the mechanical properties and failure behavior of early age cemented lithium feldspar tailings backfill. Author links open overlay panel Daopei Zhu a, Nanhui Huang a, Wenhe Li b, Jiafeng Li a, ... meet the strength requirements, and have certain economic benefits. In this study, 3 d and 7 d ...
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Effects of operational parameters of spiral concentrator on mica–feldspar separation Author： Gulsoy O. Y. Kademli M. Publisher： Maney Publishing ISSN： 0371-9553 Source： Mineral Processing and Extractive Metallurgy, Vol.115, Iss.2, 2006-06, pp. : 80-84
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Feldspar occurs in the pegmatite rocks and are associated with quartz and muscovite near the top of the granite (Fig. 1) (Pollet-Villard et al., 2017, Simmons et al., 2016, Swanson and Veal, 2012). The feldspar storage is approximately 10 billion tons worldwide, mainly occurring in North America, Europe, and East Asia (Zhang, 2013).
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It was consequently thought that ultrasound may positively affect the feldspar flotation mechanism at all stages while helping effective removal of initial slimes. Minerals 2019, 9, 784 6 of 18 Figure 3. ... both particle removal by impurity content and prevention of ore loss and providing positive gains in terms of process economy. In the ...
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Effects of Feldspar Contamination on Equivalent dose and the Shape of Growth Curve for OSL of Silt-Sized Quartz Extracted from Chinese Loess This study examines the effects of feldspar ...
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In previous work, we discovered that K-feldspar-albite-sanidine zonation textures developed dynamically when sanidine ((K ... the present study aims to constrain the reaction mechanism and the effect of fluorine on reaction kinetics and overall reaction textures in alkali feldspar replacement reaction interfaces. Replacement of high-sanidine ...
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The widespread Sa-Ab-Kfs texture formed in F-bearing solutions, in contrast to F-free solutions, results from increased reaction kinetics coupled with a threshold effect making the change of nucleation from one feldspar to another unlikely, i.e. once a feldspar starts precipitating, the reaction continues even if the phase becomes ...
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Globalization is most often used in an economic context, but it also affects and is affected by politics and culture. In general, globalization has been shown to increase the standard of living in developing countries, but some analysts warn that globalization can have a negative effect on local or emerging economies and individual workers.
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To understand the effect of organic acid on the solubility of feldspar under high temperature conditions, feldspar dissolution experiments in oxalic acid and in acetic acid were conducted at 130 °C. And the Gaussian simulation software was used to calculate the binding energy of the complex reaction from the perspective of quantum …
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The effects of the particle size of feldspar on the bulk density, apparent density and breakage ratio of the proppants were evaluated. The morphology and phase composition of the proppants was examined by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results show that the ball milling of feldspar can greatly …
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The rate inconsistency between laboratory experiments and field observations is interpreted with hypotheses that include the armoring effects of the coating secondary minerals on feldspar surfaces ...
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The main effects are reduced shrinkage and increased physical properties. On the other hand, practical considerations like good handling as well as good polishing …
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Organic acids and their anions may affect the feldspar dissolution rates mainly by affecting the speciation in solution of ions such as A1 3+ that themselves affect the mineral dissolution rate and even to form complexes at the mineral surface; the complexing of Al in solution may also affects the saturation state of the solution with …
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DOI: 10.1016/j.chemgeo.2023.121574 Corpus ID: 259034451; Effects of fluorine on dynamic reaction interfaces in hydrothermal feldspar alteration @article{Duan2023EffectsOF, title={Effects of fluorine on dynamic reaction interfaces in hydrothermal feldspar alteration}, author={Gan Duan and Alkiviadis Kontonikas-Charos …
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24 completely ordered). Analyzed samples are mixtures of K-feldspar (>70 wt%) and coexisting 25 albite. The relative contribution of K2O from the K-feldspar phase of the sample was over 98%, 26 indicating that the K isotopic composition (δ41K) derives mainly from K-feldspar and hence 27 reflects its behavior.
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Demand for ceramic materials is increasing on daily basis (Owoeye et al., 2018), and the possible use of mine tailings in the production of ceramics is also complying with the concept of circular economy, an approach of economic growth that is in line with sustainability, environmental preservation and economic development (Korhonen et al ...
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Composing of clay, coal gangue and feldspar powder, the effects of raw material ratio and sintering temperature on the properties of artificial aggregates were explored. In analyses of artificial aggregates, physical properties and chemical structures were tested, grey correlation analysis was used to calculate the relevance of the above …
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feldspar, any of a group of aluminosilicate minerals that contain calcium, sodium, or potassium.Feldspars make up more than half of Earth's crust, and professional literature about them constitutes a large percentage of the literature of mineralogy.. Of the more than 3,000 known mineral species, less than 0.1 percent make up the bulk of …
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The passivated sludge was then used in germination test and pot experiment, and the following research projects were conducted: (1) the modified potassium feldspar (GXK) was characterized to analyze the structural changes, (2) the passivation effect of GXK on heavy metals in sludge was investigated, (3) the effect of passivated sludge on ...
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This review indicates that crystal structure, monovalent salts, flotation reagents, and particle size distribution are important factors in the process. Environmentally-friendly principle and economic viability of various methods are discussed, and potential technologies are …
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In this study, the effects of ultrasound on removal of impurities from raw feldspar were investigated by testing with a newly developed flotation cell with various frequency and power intensities ...
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Effects of Al/Si ordering on feldspar dissolution: Part II. The pH dependence of plagioclases' dissolution rates ... insights for obtaining scientific guidelines for the proper amount of SO2 coinjection and finally for evaluating the economic efficiency and environmental safety of GCS operations. Expand. 21. Save.
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This work is focused on the study of macroscopic and microscopic properties of traditional sanitary-ware vitreous bodies as a function of feldspar flux and firing time-temperature profile, using a ...
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