Analysis of comprehensive utilization of red mud in China
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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Analysis of Comprehensive Utilization of Red Mud in China
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 mud,extraction of valuable elements and …
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A Review of Comprehensive Utilization of High-Iron Red Mud …
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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Research Progress on Comprehensive Utilization of Red Mud
[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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Current research status and emerging trends in utilization of …
Through an in-depth investigation of 2311 papers sourced from the WOSCC, we extracted significant characteristics in red mud utilization research, providing a …
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A review of comprehensive utilization of red mud
The comprehensive utilization of RM has attracted much attention due to its large-scale generation and harmful nature. This paper introduces the characteristics and state of RM …
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Comprehensive Utilization Status of Red Mud in China: A …
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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Efficient utilization of red mud waste via stepwise leaching …
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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Green steel from red mud through climate-neutral hydrogen …
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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Comprehensive utilization status of red mud in China: A …
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.
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Table 6 from A Review on Comprehensive Utilization of Red Mud …
Table 6. The physical and chemical characteristics (average and data size) of RM [37]. Reproduced with permission from Gräfe et al., Hydrometallurgy; published by Elsevier, 2011 [37]. - "A Review on Comprehensive Utilization of Red Mud and Prospect Analysis"
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Comprehensive utilization of red mud and blast furnace …
This study achieved comprehensive utilization of red mud and blast furnace dust, with preparation DRI and functional ceramsite towards the adsorption phosphorus in wastewater. The following conclusions were shown: The optimal conditions for preparing DRI were determined to be mixing red mud with 34 % blast furnace dust, 2 % Ca(OH) 2, and roasting
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[PDF] A Review on Comprehensive Utilization of Red Mud …
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. Thus, developing an …
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Comprehensive Utilization of Red Mud: Current Research …
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 on land with an annual growth rate of approximately 120 million tonnes. The large amount of red mud has become a very real threat to the environment and human health because its high alkalinity …
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Development and status of red mud comprehensive utilization …
In this article,current situation of comprehensive utilization of red mud is introduced,in order to solve the problem of the discharge of red mud.The progresses and problems remained in the recent research are also provided,forecasting the prospect of …
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Research of Cleaner Production of Alumina and Harmless Utilization …
Comprehensive Utilization of New Red Mud After the Calcified Carbonization Method. To achieve clean alumina production and harmless utilization of red mud, Wang Kun [35, 36] conducted vortex melting reduction to recover iron from iron-containing tailings after calcification-carbonation. However, complete utilization of the remaining slag was ...
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Sustainable Utilization of Red Mud in Construction …
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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Comprehensive Utilization of Red Mud: Current Research …
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 …
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A Review of Comprehensive Utilization of High-Iron Red Mud …
With the increasing requirement of environmental protection, the treatment of red mud has become a more and more important issue. Depending on the various iron contents, red mud can be divided into low-iron red mud and high-iron red mud. This paper reviews the comprehensive utilization of high-iron red mud of China. In particular, this paper reviews the methods for iron …
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Current Situation and Prospect of Comprehensive Utilization of Red Mud
This paper first summarized red mud utilization in the production of building materials, recovery of valuable metals, soil improvement and waste gas and water control etc, evaluated the status and trend of red mud utilization in the ways mentioned above, and prospected thepractical and economical utilization direction of red mud in the end.
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Current research status and emerging trends in utilization of red mud
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]. Notably, the particle size ...
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Engineering geological properties and comprehensive utilization …
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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Comprehensive utilization status of red mud in China: A …
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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Recovery of valuable metals from red mud: A comprehensive …
Red mud (RM) is a bulk solid waste with strong alkalinity discharged during the alumina extraction process, which is also regarded as a polymetallic resource for recycling valuable metals and preparing new materials (Huang et al., 2016).Generally, each ton of alumina produced can generate 0.8 to 1.5 tons of RM (Li et al., 2021a, Li et al., 2021b). ...
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Current Situation and Prospect of Comprehensive Utilization of Red Mud
Dealkalization is a major limiting factor for the comprehensive utilization of red mud, and acid leaching is considered an effective and promising way to achieve it. Most studies have focused on ...
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Review on the comprehensive utilization of red mud
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 and the extraction and …
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Review A review on the utilization of red mud for the …
Red mud (RM) is the by-product of bauxite ores after digestion by caustic soda utilizing Bayer's process to extract alumina. Globally, around 58 million tonnes of alumina is produced annually, of which India accounts for 2.7 million tonnes [3].Current disposal exercises involve dry stacking, storage in huge ponds, waste lakes, or landfills, as shown in Fig. 1 [4], …
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Characterization and Comprehensive Utilization of Red mud …
This article provides an overview of the basic characteristics of red mud. The main ways of comprehensive utilization are also summarized. It describes the progress of experimental research and comprehensive utilization. The aim is to provide some valuable information to further address the comprehensive utilization of red mud. II. PRODUCTION
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The large-scale sustainable utilization status of bauxite …
This paper uses a comprehensive literature database to classify and statistically analyze red mud related publications from 2011 to 2022. The results show that research on the comprehensive …
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Application of red mud in carbon capture, utilization and …
This review provides a comprehensive overview of recent advances in red mud for CCUS, including carbon capture sorbents, direct gas-solid carbonation, direct aqueous carbonation, indirect carbonation and carbonation curing. ... Carbonation utilization of red mud generally requires pretreatment, such as raw material grinding, chemical activation ...
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