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Relevant bibliographies by topics / Sintering of bauxite

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Academic literature on the topic 'Sintering of bauxite'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Sintering of bauxite"

1

Abikenova, G. K., D. D. Dauletov, S. A. Tverdokhlebov, and I. S. Danchenko. "Investigation of the possibility of using depleted bauxite in alumina production at the Pavlodar aluminum plant." Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex Use of Mineral Resources 333, no. 2 (2024): 80–88. http://dx.doi.org/10.31643/2025/6445.20.

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The topic of processing low-grade or low-quality bauxite is highly relevant in modern conditions due to the gradual depletion of high-quality bauxite reserves. Consequently, there is an increasing need to explore alternative sources of raw materials for aluminum production and its derivatives. Processing low-quality bauxite ores can become an effective solution, reducing dependence on limited high-quality resources and ensuring production stability in the long term. Such research has significant potential for developing technologies capable of optimizing aluminum production processes and enhan

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2

Xiao, Li Biao, Xiao Qing Hua, and Qun Hu Xue. "Effect of Calcined-Bauxite Quality and Secondary Mullitization Reaction on Firing and Properties of Ceramic Plates." Materials Science Forum 960 (June 2019): 207–13. http://dx.doi.org/10.4028/www.scientific.net/msf.960.207.

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Addition of different types of calcined bauxites to the ceramic plate formulation was performed to study effects on the firing and properties of the resulting ceramic plates. The physical and chemical characteristics, high-temperature reaction degree, thermochemical behavior, mineral composition, and microstructure of the calcined bauxites were analyzed. The results showed that lightly calcined bauxite could minimize the linear shrinkage rate. However, incomplete high-temperature secondary mullitization reaction could inhibit completion of product sintering and result in a loose microstructure

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Yang, Huan Ying, Yong Li, Shu Long Liu, Chang He Gao, Shu Long Ma, and Lin Jun Wang. "Sintering Characters Analysis of the Al₂O₃-86 Homogenized Bauxite." Advanced Materials Research 690-693 (May 2013): 35–39. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.35.

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The present explains sintering characters of the Al2O3-86 homogenized bauxite under wet processes homogenization, which includes classified bauxite mine, wet grinding, vacuum extrusion, sintering in tunnel kiln,etc. DSC and TG reveal an evident peak of absorption heat at 531°C, resulting from the dehydroxylation of bauxite. Green samples held at 550°C*6hrs were heated up to different temperatures, and the properties of weight loss, linear change, bulk density and apparent porosity were measured. The data show that liquid-phase emerge and sintering process goes slowly above 1100°C. At 1500°C, l

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Yu, Hai Yan, Xiao Lin Pan, Kai Wei Dong, Wu Zhang, and Shi Wen Bi. "The Sintering and Leaching of Low-Grade Diasporic Bauxite by the Improved Lime-Sintering Process." Advanced Materials Research 616-618 (December 2012): 1051–54. http://dx.doi.org/10.4028/www.scientific.net/amr.616-618.1051.

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An improved lime-sintering process was developed to produce alumina from low-grade diasporic bauxite in this paper. Both clinkers sintered by the real bauxite and simulated bauxite at 1350 °C when the molar ratio of CaO to Al2O3decreased to 1.4 were produced, the alumina leaching rates of which reached over 90% in sodium carbonate liquor. The main phases in the clinkers after sintering are 12CaO•7Al2O3, γ-2CaO•SiO2and 2CaO•Fe2O3. Addition of alkali can decrease the C/A ratio and get a high alumina leaching rate of clinker.

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Yang, Zhong Zheng, Zhen Xian Xing, Zhan Fang Gai, and Huan Qiang Liu. "Preparation of Bauxite-Based Homogenized Mullite Grogs with Bauxite and Coal Gangue." Advanced Materials Research 199-200 (February 2011): 1940–44. http://dx.doi.org/10.4028/www.scientific.net/amr.199-200.1940.

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The sintering behavior, physical properties and heat processing changes of bauxite-based homogenized grogs prepared by homogenization process and high temperature sintering using bauxite as starting material were investigated. Results show that the bauxite-based mullite can be synthesized by the method, sintering temperature with and without MgO/CeO2sintering aids are 1600°C and 1700°C separately, the mullite with apparent porosity of＜1.0% and 2.5%, bulk density of ≥2.87g•cm-3and 2.75g•cm-3, Refracteriness-Under-Load(RUL) 1600°C and 1620С; changes in the heat processing is divided into three s

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Chen, Jun Hong, Bin Li, Hua Sheng Zhan, Jin Dong Su, Ming Wei Yan та Xiao Ping Li. "Action Mechanism of β-Si3N4 in Bauxite Sintering". Applied Mechanics and Materials 543-547 (березень 2014): 3834–38. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.3834.

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In this paper, we added silicon nitride in the samples of common bauxite and the bauxite with high potassium and sodium oxide content, treated them at the high temperature of 1,400°Cand 1,500°C, and then conducted analysis with XRD, SEM and EDS. The results are as follows: After adding β-Si3N4 in sintered bauxite, the partial pressure of oxygen in the composite materials will be reduced, the decomposition and volatilization of compounds with high partial pressure of oxygen (such as potassium oxide and sodium oxide) will be promoted, the content of these compounds in the bauxite will be lowered

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7

Loginova, I. V., A. V. Kyrchikov, L. I. Chaikin, and Yu A. Napolskikh. "Low-temperature sintering of bauxite raw material with alkali as an alternative to the parallel Bayer sintering process." iPolytech Journal 27, no. 4 (2024): 790–99. http://dx.doi.org/10.21285/1814-3520-2023-4-790-799.

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The aim is to develop an alternative technology of bauxite raw material processing based on low-temperature sintering of bauxite with caustic alkali, as well as to solve the issue of carbon footprint control at alumina refineries in the Urals. Laboratory tests were carried out by sintering artificial bemite and hematite with chemically pure caustic alkali at temperatures of 300, 500 and 700°C and their further leaching in weakly alkaline solutions. To study the phase, chemical, and particle size distribution of red muds after leaching, various physical and chemical methods of analysis were use

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Fan, Wan, Dong Zou, Jingrui Xu, Xianfu Chen, Minghui Qiu, and Yiqun Fan. "Enhanced Performance of Fly Ash-Based Supports for Low-Cost Ceramic Membranes with the Addition of Bauxite." Membranes 11, no. 9 (2021): 711. http://dx.doi.org/10.3390/membranes11090711.

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Support is a necessary foundation for ceramic membranes to achieve high performance. Finding the optimum balance between high performance and low cost is still a significant challenge in the fabrication of ceramic supports. In this study, low-cost fly ash-based ceramic supports with enhanced performance were prepared by the addition of bauxite. The pore structure, mechanical strength, and shrinkage of fly ash/bauxite supports could be tuned by optimizing the bauxite content and sintering temperature. When the sintering temperature and bauxite content were controlled at 1300 °C and 40 wt%, resp

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An, Jian Cheng, Lin Jun Wang, and Yun Sheng Feng. "Industrial Production and Application in LCCs of Bauxite-Based Homogenized Grogs." Advanced Materials Research 287-290 (July 2011): 1079–83. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.1079.

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The Bauxite-based Homogenized Grog (BHG) was industrial producted using bauxite with about 70 wt.% Al2O3 as starting materials and its properties were tested. Through comparing with high-grade bauxite clinker, the applications in LCCs of BHG and bauxite clinker were discussed. The results showed that the BHG with mullite as chief phase, with consistent components and structure and properties using middle or low grade bauxite as starting materials can been prepared industrially by homogenization process, vacuum-extrusion moulding and high-temperature sintering method. It also resulted that the

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Liu, Da Cheng, Shi Zhe Liu, Bin Hao, and Yue Li. "Preparation of Porous Catalyst Support with Gangue of Bauxite Tailing." Advanced Materials Research 284-286 (July 2011): 1358–61. http://dx.doi.org/10.4028/www.scientific.net/amr.284-286.1358.

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Porous catalyst support was prepared using gangue of bauxite tailing which was a solid waste material. It was found that the mass ratio of gangue of bauxite and knar clay was 4: 1. The masses of cellulose and water were individually 1 wt% and 25 wt% of the total mass of gangue of bauxite tailing and knar clay. The pore forming agent M was optimum among the selected pore forming agents. The pore forming agent M didn’t residue in support after sintering so that the support wasn’t polluted. The appropriate addition of the pore forming agent M was 4%, and the catalyst support with the porosity of

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Book chapters on the topic "Sintering of bauxite"

1

Hodge, Harrison, William Hawker, Peter Hayes, and James Vaughan. "Kinetics of Bauxite Residue Sintering." In The Minerals, Metals & Materials Series. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95022-8_67.

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A. Dobrzański, Leszek. "Advanced Composites with Aluminum Alloys Matrix and Their Fabrication Processes." In Advanced Aluminium Composites and Alloys [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98677.

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This chapter introduces advanced aluminum alloy matrix composites and their manufacturing processes. In the beginning, the state of the art is characterized and the general characteristics of aluminum and its practical applications are presented, starting with the history of aluminum. The current approximate distribution of bauxite resources in the world and the production of bauxite and alumina in the leading countries of the world, as well as the production of primary and secondary aluminum and the range of aluminum end products, are presented. Aluminum alloys intended for plastic deformatio

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