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Red mud is a solid waste which is generated in the process of alumina production and is of highly alkaline. Red mud has very complex compositions, but contains a variety of rare and valuable metals. In addition, its high alkalinity is a severe pollution to water, land, air and environment, which has been one of the main factors to affect the sustainable …
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Red mud (RM) is a by-product of extracting of alumina from bauxite. Red mud contains high quantities of alkali-generating minerals and metal ions, which can cause significant environmental damage.
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Red mud is a solid waste produced during alumina refining of bauxite. This article reviews the literature on red mud recovery and utilization in China from 2010 to 2019, and discusses the environmental and economic challenges of red mud management.
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As one of the bulk solid wastes, the comprehensive utilization of red mud on a large scale and as a harmless resource is urgent. Over the years, researchers in various countries have conducted extensive studies on the comprehensive utilization of red mud in fields such as building materials, the chemical industry, environmental …
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Red mud accumulation has surpassed 4.6 billion tons, and the world's red mud stockpile is steadily expanding 2,3. Red mud is considered a significant environmental threat due to its high ...
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Red mud is a solid waste emitted during alumina production [].Red mud contains valuable components such as iron but its alkali content and complex composition limit its comprehensive utilization [2, 3].In China, the comprehensive utilization rate of red mud is less than 10%, and the unutilized red mud occupies a large amount of land, …
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An integrated technological route for comprehensive utilization of red mud through the extraction of valuable components and reuse of the magnetic residue is proposed. In this study, inductively coupled plasma atomic emission spectroscopy, X-ray fluorescence, X-ray powder diffraction, and vibrating sample magnetometer were used …
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The results show that research on the comprehensive utilization of red mud is mainly found in three fields: the construction and chemical industry, the environmental protection and agriculture ...
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RM-ERMs are an extension of red mud comprehensive utilization technology in environmental protection. Treating waste with waste is an efficient environmental protection method since it produces a positive outcome by the simultaneous treatment of multiple wastes. Research on RM-ERMs is designed to find ways not only …
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Samal, S. Utilization of red mud as a source for metal ions—a review. ... N., Tang, H. & Sun, W. A review on comprehensive utilization of red mud and prospect analysis. Minerals 9, 362 (2019).
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With the rapid development of alumina industry,it becomes increasingly important to reduce the pollution and damage caused by red mud.So,it is rather urgent to utilize it effectively.This paper analyzes in detail the research progress of red mud utilization nationally and internationally from three aspects:overall employment of red …
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In consequence, the harmless comprehensive utilization of red mud is becoming an increasingly important research topic, attracting the attention of scientific and technological workers in various countries. It is urgent to reduce the production and harm of red mud to the greatest extent and realize the multi-channel and large-scale utilization ...
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In this paper, the current status of the research on tech-nologies of the comprehensive utilization of red mud is summarized and discussed. The disposal of red mud is …
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Red mud is an alkaline solid waste produced in the process of alumina extraction from bauxite. Presently, more than 3.0 billion tonnes of red mud are …
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Through an in-depth investigation of 2311 papers sourced from the WOSCC, we extracted significant characteristics in red mud utilization research, providing a comprehensive …
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In this paper, the current status of the research on technologies of the comprehensive utilization of red mud is summarized and discussed. The disposal of …
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The results show that research on the comprehensive utilization of red mud is mainly found in three fields: the construction and chemical industry, the environmental protection and agriculture industry, and the valuable elements extraction industry. A brief report is also made on the related research of red mud in the fields of cement, concrete ...
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DOI: 10.1016/j.seppur.2024.127436 Corpus ID: 269026151; Comprehensive utilization of red mud and blast furnace dust: Synergistic preparation of direct reduced iron and functional ceramsite
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[21] Liao S Z, Yang J L and Ma S J. 2019 Advances in Comprehensive Utilization of red mud [J] Mineral conservation and utilization 39 21-27. Google Scholar [22] Ma S H, Zheng S L and Zhang Y 2008 Recovery of sodium oxide and alumina from red mud [J] Comprehensive Utilization of Minerals 27-31. Google Scholar
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Red mud is a waste generated during the process of alumina production. A lot of red mud has serious harm to natural ecological environment and security. Based on the introduction of the composition of red mud,its comprehensive utilization in multiple domains is elaborated,i. g.,in the construction industry,environmental governance,catalytic synthesis …
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DOI: 10.1016/j.jclepro.2020.125136 Corpus ID: 228859603; Comprehensive utilization status of red mud in China: A critical review @article{Wang2020ComprehensiveUS, title={Comprehensive utilization status of red mud in China: A critical review}, author={Shaohan Wang and Huixin Jin and Yong Deng …
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The aim of this review paper is to provide updated information on the composition, recycling and utilisations of the Bayer red mud. According to a search result from the Web of Science based on the term 'red mud', from 2001 to 2018 the total number of publications and sum of citations were 997 and 14,699, respectively, as shown in Fig. …
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Test results revealed that compacted clay samples containing red mud, along with cement-red mud blends, exhibited significant compressive strength, reduced …
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This paper provides a review on the comprehensive utilization of red mud globally. The research progress of safe stockpiling of red mud is summarized. Enormous quantity of red mud is generated ...
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Red mud (RM) is a by-product of extracting of alumina from bauxite. Red mud contains high quantities of alkali-generating minerals and metal ions, which can cause significant environmental damage. Many valuable components such as rare-earth elements, Al, and Fe, in RM are difficult to be utilized owing to their particle size and alkalinity. …
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One of the main tailings of the aluminium industry is red mud, which is a kind of hydrous silt-muddy, highly alkaline solid waste produced by physical and chemical treatments of bauxite in alumina (Al 2 O 3) production.As red mud is seriously harmful to the ecological environment, the safety of its storage has become an environmental problem of much …
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The results show that comprehensive utilization of RM is mainly focused on the preparation of building materials, the extraction of valuable metals, catalyst synthesis …
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Red mud is a secondary resource which contains many kinds of minerals. Main chemical compositions contained in red mud are Fe 2 O 3, Al 2 O 3, SiO 2, TiO 2, CaO, Na 2 O and K 2 O which account for more than 75%. In addition, a small amount of rare metals such as Ga, Ge, Sc, etc. also exist in red mud [].Simultaneously maximize …
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In light of the valuable elements (Sc, Ti, Fe, etc) that red mud contains, this article puts forwards the principles of comprehensive use of red mud, that is, achieving a comprehensive use of red ...
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Red mud (RM) is a solid waste generated during the process of alumina production. RM has already posed a serious environmental threat with the development of the alumina refining industry. The comprehensive utilization of RM has attracted much attention due to its large-scale generation and harmful nature.
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