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comprehensive utilization of red mud
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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 …
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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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Study on dealkalization and settling performance of red mud …
At present, the dealkalization and comprehensive utilization of red mud is a worldwide problem. Studies on the settling performance and phase transformation of red mud by HCl, CaO, and H2O leaching are limited. In this study, the characteristics of red mud were systematically analyzed. The average sizes of graded and initial red mud …
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Waste Treatment by Waste: Study on Iron Recovery from High-Iron Red Mud
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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Progress on the Industrial Applications of Red Mud with a …
Red mud (RM), also called bauxite residue, is a strong alkaline industrial waste generated during the alumina production process. The annual production of RM in China is large, but its average utilization rate is low (only 4%). High generation and low consumption make the disposal of RM mainly by stockpiling, which has caused serious …
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(PDF) Progress of Red Mud Utilization: An …
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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Comprehensive Utilization of Red Mud Remaining in Alumina Production
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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Comprehensive Utilization of Red Mud: Current Research …
In 2020, HINDALCO, the world's leading aluminum producer, announced that it would use red mud to produce cement clinker, with a target consumption of 2.5 million tons of red mud per year [48].
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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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Comprehensive Utilization of Red Mud Through the …
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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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 and blast furnace …
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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Red mud: Characteristics, utilization, and environmental …
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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Summary of Research Progress on Metallurgical Utilization …
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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Stockpiling and Comprehensive Utilization of Red Mud …
The comprehensive utilization of red mud can be further divided into three aspects: the effective recycling of components, resource utilization and application in the field of environmental protection. This paper points out that the main focus of previous studies on red mud stockpiling is cost reproduction and land tenure. The recovery of ...
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A Review on Comprehensive Utilization of Red …
Red mud (RM) is a by-product of alumina production that contains valuable elements and causes environmental pollution. This …
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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 …
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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 …
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Comprehensive utilization status of red mud in China: A …
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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Collaborative Utilization Status of Red Mud and
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 …
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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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Environmental assessment, management and utilization of red mud …
Stockpiling and comprehensive utilization of red mud research progress. Materials, 5 (2012), pp. 1232-1246. View in Scopus Google Scholar. Enserink, 2010. M. Enserink. After red mud flood, scientists try to halt wave of fear and rumors. Science, 330 (2010), pp. 432-433.
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A review of comprehensive utilization of red mud
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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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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A Review on Comprehensive Utilization of Red …
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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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 …
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A Review on Comprehensive Utilization of Red Mud …
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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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 …
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A Review of Comprehensive Utilization of High-Iron …
iron from red mud and then using the reduced slag as an integral unit for cement clinker production was put forward. It may provide a new utilization for the future industrial application of high-iron red mud. Integral Utilization in Building Materials Red mud contains many substances and is considered as a complex secondary resource.
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Recycling of Red Mud for Value-Added Applications: A Comprehensive
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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Comprehensive utilization status of red mud in China: A …
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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Comprehensive Utilization of Red Mud: Current Research …
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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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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A review of comprehensive utilization of red mud
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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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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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 …
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