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The comprehensive utilization of red mud brings forth potential leaching risks associated with sodium and heavy metal components [57]. The core constituents of red mud, namely aluminum, silicon, and calcium, collectively account for over 50 % of its composition, suggesting potential for cementitious properties [17]. ...
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The utilization of red mud is critical to driving the circular economy of the aluminum industry, owning to environmental, social and governance (ESG) concerns and depletion of bauxite reserves if even a 5% growth rate of the aluminium industry is considered (Lèbre et al. 2019).Researchers are currently finding different ways to utilize red mud that can decrease its …
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Red mud is a common solid waste produced during the industrial production of alumina from bauxite. The amount of red mud discharged per ton of alumina produced varies depend on the ore grade, production methods, and technological levels, with an estimated range of 1.0 to 1.5 tons [1].Red mud is commonly disposed through stacking, which can cause soil …
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This review paper explores the use of red mud as a sustainable alternative for construction materials and soil stabilisation due to its unique chemical and mineral composition, a waste produced during the extraction of aluminium from bauxite ore. The disposal of red mud is a major environmental issue worldwide due to its high alkalinity and large production volume. Although …
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The "2024 International Forum on Comprehensive Utilization of Red Mud" is scheduled to be held in Lyon, France from October 31 to November 1, 2024. This forum aims to exchange the latest trends, technical achievements, project progress, policy standards, etc. on the comprehensive utilization of red mud in key countries and regions.
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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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This paper provides a review on the comprehensive utilization of red mud globally. The research progress of safe stockpiling of red mud is summarized.
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Red mud is a solid waste generated in the process of producing aluminum oxide. Due to technological reasons, the total amount of red mud is large, and its elemental composition is extremely complex and can not be effectively used. As a result, red mud has to occupy a large amount of land, which is not only waste of resources, but also pollutes the environment.
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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 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 the value of recovery and …
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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 protection, and ...
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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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Request PDF | Comprehensive Utilization of Red Mud: Current Research Status and a Possible Way Forward for Non-hazardous Treatment | Red mud is an alkaline solid waste produced in the process of ...
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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 estimated to be stockpiled …
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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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Third, red mud could have different environmental applications, in wastewater treatment, soil remediation, etc.The paper summarizes current data on red mud utilization methods and aims to ...
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Keywords: red mud; valuable elements; comprehensive utilization; waste management 1. Introduction Bauxite residue is a strong alkaline solid waste discharged during the industrial production
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The safe stockpiling of red mud can be divided into two aspects: the design and safe operation of the stocking yard. The comprehensive utilization of red mud can be further …
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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 concern in China and …
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Addressing the challenge of red mud stockpiling relies on the development of comprehensive utilization mechanisms that either utilize or repurpose red mud as a valuable resource. Since the 1950s, scientists have been studying the extraction and utilization of red mud, considering its unique physical and chemical characteristics.
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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 to characterize ...
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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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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...
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The comprehensive utilization of red mud brings forth potential leaching risks associated with sodium and heavy metal components [57]. The core constituents of red mud, …
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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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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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Keywords: red mud; valuable elements; comprehensive utilization; waste management 1. Introduction Bauxite residue is a strong alkaline solid waste discharged during the industrial production of alumina [1]. The color of bauxite residue is …
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MSWI-FA and red mud are hazardous materials that need to be treated urgently. Coal-based reduction process is one of the resource utilization technologies for waste materials containing metals. Therefore, the present study proposed a novel method called co-reduction process to realize the collaborative utilization of MSWI-FA and red mud.
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Fig. 1 describes the recycling and resource utilization of RM. Despite RM's low comprehensive utilization efficiency, it contains valuable metals, such as rare and precious metals. Given the urgent demand for these resources, recovering valuable metals from RM is highly significant [15].In addition, RM can be employed in a multitude of ways, such as …
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The comprehensive utilization of red mud is still a difficult problem. Therefore, it is of great significance to actively explore new methods for removing sodium from red mud. In this study, the ...
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The composition, properties, environmental hazards, and current status of comprehensive utilization of red mud were studied. A number of studies have been conducted on the use of red mud as a modifying additive for cement, the development of various catalysts based on red mud, and the recovery of various valuable metals from red mud.
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The safe stockpiling of red mud can be divided into two aspects: the design and safe operation of the stocking yard. The comprehensive utilization of red mud can be further divided into three aspects: the effective recycling of …
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red mud recovery in recent years, this article uses a comprehensive literature database to classify and statistically analyze red mud-related publications from 2010 to 2019. 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
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Abstract Red mud and phosphogypsum are staple solid wastes, with considerably large annual emissions. Improving their comprehensive utilization is the key to addressing the large accretion of both red mud and phosphogypsum. They have great utilization potential and can be collectively modified to expand the utilization field and increase the utilization rate. …
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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 of reducing the hazard red ...
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The research progress of safe stockpiling and comprehensive utilization of red mud is summarized. The safe stockpiling of red mud can be divided into two aspects: the design and safe operation of the stocking yard. The comprehensive utilization of red mud can be further divided into three aspects: the effective recycling of components, resource
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