Desilication meaning

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August undefined, 2024

WebNoun [ edit] dealumination ( plural dealuminations ) ( chemistry) The chemical removal of alumina or aluminates from a material, especially from a zeolite in the manufacture of industrial catalysts etc Related terms [ edit] dealuminate This page was last edited on 25 July 2016, at 16:01. Webdesilication. [ dē‚sil·ə′kā·shən] (geochemistry) Removal of silica, as from rock or a magma. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The …

Effect of Thermal Activation Temperature on Pre-desilication

WebJun 24, 2024 · When bauxite is contacted with Bayer liquor, reactive silica dissolves and then precipitates as a sodium aluminum silicate known as the desilication product (DSP), which is discarded along with the bauxite residue … WebMeaning of desilting. What does desilting mean? Information and translations of desilting in the most comprehensive dictionary definitions resource on the web. ... desilication; desilo; desilu; desilu productions; desilver; desilverization; desilverize; … bam salon duluth mn

Catalysts Free Full-Text Effects of Dealumination and Desilication ...

WebDefinition of desilication The removal of silica from a rock or magma by the breakdown of silicates and the resultant freeing of silica, or by reaction between a body of magma and … WebMay 1, 2013 · The formation of desilication products (DSPs) is an important process in the pre-desilication step of the Bayer process, helping to limit the potential for unwanted scale on the heat exchangers by limiting the amount of silicate in the Bayer liquor. These solids generally have a crystalline sodalite structure, however, the fundamentals of … WebApr 4, 2024 · In this work, a physical–chemical activation desilication process was proposed to extract silica from high alumina fly ash (HAFA). The effects of fly ash size, hydrochloric acid concentration, acid activation time, and reaction temperature on the desilication efficiency were investigated comprehensively. The phase and morphology … arsenal 2022 training kit

The influence of desilication/dealumination processes on the ...

On the removal of silica from aluminate solutions: Mechanism and ...

WebWordSense Dictionary: desilication - spelling, hyphenation, synonyms, translations, meanings & definitions. WebScales, in general, form due to the transport of the components from the bulk of the liquid phase to the walls of pipes and/or equipment. The liquid phase velocity at the walls, in the boundary layer, is practically zero, allowing the constituents to arsenal 2024 kitWebDesilication in alkaline media has become a widely applied preparation method to tailor these modified zeolites, due to an optimal combination of efficiency and simplicity. This review presents recent developments that … bamsara

"WebFeb 9, 2024 · Compared with 650 and 700 °C, the pre-desilication results of low-grade bauxite after thermal activation at 600 °C had a significant improvement. Only after 30 min of leaching, the ratio of alumina to silica of low-grade bauxite can be increased from 2.39 to 6.78. This study may have a certain significance for selecting a suitable thermal ... " - Desilication meaning

Desilication meaning

On the removal of silica from aluminate solutions: Mechanism and ...

WebJun 1, 1981 · Analyses by SEM-EDS and other mean show that this is mainly due to the growth of sodalite seed crystals in red mud and its synergistic desilication with CaO. Bauxite underwent cyclic desilication and the alumina/silica ratio was increased from ∼4.1 to >7.5. ... The desilication reaction products (DSP) were analyzed by XRD and SEM, … WebWiktionary Rate this definition: 0.0 / 0 votes. desilication noun. Any process that removes silicon from a material.

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WebMay 12, 2024 · To enable the utilization of low-grade and high-sulfur bauxite, the suspension calcination was used to remove the sulfur and the activate silica minerals, and the calcinated bauxite was subjected to a desilication process in NaOH solution under atmospheric pressure. The desulfurization and desilication properties and mineralogical evolution … WebApr 22, 2024 · Both desilication and dealumination processes modified the Si/Al values. With increasing concentration of desilication agent, a gradual decrease in the Si/Al ratio was observed, which indicates an increasing amount of extracted silicon, but without significant changes in values of the framework parameters, except for CLI_F ( Table 3 ).

WebJan 1, 2009 · Analyses by SEM-EDS and other mean show that this is mainly due to the growth of sodalite seed crystals in red mud and its synergistic desilication with CaO. Bauxite underwent cyclic desilication and the alumina/silica ratio was increased from ∼4.1 to >7.5. ... In the desilication process, silica reacts with CHFC on the surface to form ...

WebNov 11, 2015 · The crystallinity was gradually decreased with an increase in the NaOH concentration (Figure 1B), meaning that the structure was partially destroyed due to desilication (and/or dealumination), especially after 0.2 M NaOH treatment. Webdesilicate transitive verb de· silicate (ˈ)dē+ : to remove silica or silicate from especially : to cause to undergo desilication Word History Etymology de- + silicate Love words? You …

WebThe meaning of DESILICATE is to remove silica or silicate from; especially : to cause to undergo desilication. to remove silica or silicate from; especially : to cause to undergo …

WebJan 1, 2016 · Melanization. The development of a dark, usually brownish color in a soil as a consequence of the incorporation of organic matter. A significant soil-forming process in the formation of mollic surface horizons in soils of the grasslands: Chernozems, Kastanozems, and Phaeozems; and of umbric surface horizons, for example in Umbrisols. arsenal 21/22 away jerseyWebMeaning of desillation. What does desillation mean? Information and translations of desillation in the most comprehensive dictionary definitions resource on the web. ... bam sandwichWebDefinition from Wiktionary, the free dictionary. Jump to navigation Jump to search. English [] Noun []. deciliations. plural of deciliation; Anagrams []. desilication arsenal 2-0 man utd 2017WebThe definition of desilication in Dictionary is as: Any process that removes silicon from a material. Meaning of desilication for the defined word. Grammatically, this word … bam san lucasWebJan 5, 2011 · Widening the scope of desilication: Pore-directing agents (PDAs) in desilication function by their adsorption on the external surface, thereby controlling zeolite dissolution. By addition of external PDAs it is shown that framework aluminum is not a prerequisite and that the application range of desilication can be extended to all-silica ... arsenal 21WebThe present invention discloses a method for extracting aluminum from coal fly ash. According to the methods disclosed by the present invention, polypropylene glycol and/or an anionic macromolecular surfactant are added into slurry obtained after a pre-desilication reaction and a leaching reaction, and at least one of auxiliary agents of the … arsenal 21/22 training kitWebOxford Reference - Answers with Authority bamsarang10.me