Analyzing the Spatial Occurrence of High-Alumina Clays (Brazil) Using Electrical Resistivity Tomography (ERT)
Sign Up to like & getrecommendations! Published in 2020 at "Pure and Applied Geophysics"
DOI: 10.1007/s00024-020-02444-w
Abstract: Mottled and high-alumina clay horizons (Gleysols) above dismantled iron crusts (Ferralsols) are widespread in the soils that developed on the flat sedimentary plateau located in western Minas Gerais State (Brazil). Field exploration shows that the… read more here.
Keywords: resistivity; ert; alumina clays; high alumina ... See more keywords
Slag Chemistry of High-Alumina Iron Silicate Slags at 1300 °C in WEEE Smelting
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sustainable Metallurgy"
DOI: 10.1007/s40831-017-0141-5
Abstract: New fluxing chemistries are appearing in secondary copper smelters, where the use of raw materials from various waste electric and electronic equipment sources as significant copper feedstocks associate greatly increased fractions of alumina in the… read more here.
Keywords: high alumina; alumina; chemistry; copper ... See more keywords
Self-flowing high-alumina phosphate-bonded refractory castables
Sign Up to like & getrecommendations! Published in 2017 at "Ceramics International"
DOI: 10.1016/j.ceramint.2017.02.023
Abstract: Abstract Phosphate refractories have a great potential to be applied in petrochemical industries as they present suitable properties at the temperature range used in fluid catalytic cracking units. This study addresses the development of high-alumina… read more here.
Keywords: flowing high; high alumina; alumina phosphate; self flowing ... See more keywords
Self-reinforced high-alumina refractory castables
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2017.10.205
Abstract: Abstract Among the available routes to enhance the mechanical behavior and toughening degree of ceramics, in situ formation of acicular or platelet grains in the resulting microstructure has gained special attention. Various studies focused on… read more here.
Keywords: self reinforced; high alumina; refractory castables; reinforced high ... See more keywords
Fast drying of high-alumina MgO-bonded refractory castables
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.01.134
Abstract: Abstract Refractory producers face many challenges in terms of producing MgO-containing castables due to the high likelihood of magnesia to hydrate in contact with water, resulting in Mg(OH)2 generation. The expansive feature of this transformation… read more here.
Keywords: mgo; drying high; high alumina; mgo bonded ... See more keywords
Urea based sols as binder for nano-oxide bonded high alumina refractory castables
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.05.095
Abstract: Abstract Cement free high pure alumina castables are developed for high temperature applications with nano oxide bonding developed by using different sol systems synthesized by using urea as the precipitating and hydrolyzing agent. Bonding of… read more here.
Keywords: high alumina; alumina; sol containing; oxide bonded ... See more keywords
Waste rice husk ash derived sol: A potential binder in high alumina refractory castables as a replacement of hydraulic binder
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.152806
Abstract: Abstract This work provides a new source of binder system, i.e., waste rice husk ash (RHA) derived sol for unshaped refractories. A facile (alkali extraction) route is used to synthesize the sol from the waste… read more here.
Keywords: binder; derived sol; waste; high alumina ... See more keywords
The formation of high-alumina clays in a pedosedimentary sequence of Marilia Formation (Western Minas Gerais, Brazil)
Sign Up to like & getrecommendations! Published in 2019 at "Journal of South American Earth Sciences"
DOI: 10.1016/j.jsames.2019.102263
Abstract: Abstract Mottled horizons and iron crusts are widespread in soil developed upslope on flat sedimentary plateau located in western of Minas Gerais State (Brazil). In the area, important deposits of high-alumina clays are located at… read more here.
Keywords: high alumina; microscopy; formation; alumina clays ... See more keywords
Characteristics and Sintering Mechanisms of Iron Ores with a High Proportion of High-Al2O3 Limonite
Sign Up to like & getrecommendations! Published in 2023 at "ACS Omega"
DOI: 10.1021/acsomega.2c07659
Abstract: In this study, a sintering test of high-alumina limonite from Indonesia, matched with an appropriate magnetite concentration, is performed. The sintering yield and quality index are effectively improved by optimizing the ore matching and regulating… read more here.
Keywords: proportion; alumina limonite; characteristics sintering; sintering mechanisms ... See more keywords
Extraction of alumina from high-alumina fly ash by ammonium sulfate: roasting kinetics and mechanism
Sign Up to like & getrecommendations! Published in 2022 at "RSC Advances"
DOI: 10.1039/d2ra06658k
Abstract: The recycling of aluminum is commonly an important step to achieve the high value-added utilization of fly ash, which is a kind of solid waste generated from coal-fired power plants. In this study, high-alumina fly… read more here.
Keywords: high alumina; ammonium sulfate; fly ash; alumina fly ... See more keywords
High-Alumina Pyroxenite Xenoliths from Quaternary Basalt of Spitsbergen Island: Evidence for Continental Crust Delamination
Sign Up to like & getrecommendations! Published in 2019 at "Doklady Earth Sciences"
DOI: 10.1134/s1028334x19040123
Abstract: The origin of spinel–garnet pyroxenite from xenoliths in Quaternary basaltoids of Spitsbergen Island (Svalbard Archipelago) is discussed. The rocks have a high concentration of Al2O3 and MgO and low Cr. The primary magmatic association Spl–Opx–Cpx… read more here.
Keywords: spitsbergen island; xenoliths quaternary; high alumina; crust ... See more keywords