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·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 were and
·Abstract In order to conserve natural resources and prevent waste generation effective utilization of industrial wastes and/or by products for beneficial engineering applications becomes inevitable In order to accomplish this extensive research studies exploring properties and new applications of waste materials in a sustainable and environmentally friendly manner
Red mud is a solid waste produced during the bauxite refining of alumina In recent years environmental problems caused by the accumulation of red mud have become increasingly serious In order to understand the status of red mud recovery in recent years this article uses a comprehensive literature database to classify and statistically analyze red mud related
·In the Bayer process of extraction of alumina from bauxite the insoluble product generated after bauxite digestion with sodium hydroxide at elevated temperature and pressure is known as "red mud" With increasing production of red mud the environmental problems caused by it are increasing seriously and thus the integrated treatment of red mud is imminent This
·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
With the rapid development of alumina industry it becomes increasingly important to reduce the pollution and damage caused by red it is rather urgent to utilize it 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 environment
·red mud Lu et al 2019 The red mud problem has confounded alumina production and alumina plant development for many years Based on the search results of "red mud" in the comprehensive database of scientific publications Web of Science this article provides the latest information on the application of red mud from 2010 to 2019
： With the rapid development of alumina industry it becomes increasingly important to reduce the pollution and damage caused by red it is rather urgent to utilize it paper analyzes in detail the research progress of red mud utilization
·Red mud is an alkaline solid waste produced in the process of alumina extraction from bauxite Presently more than billion tonnes of red mud are estimated to be stockpiled on land with an
·minerals Review A Review on Comprehensive Utilization of Red Mud and Prospect Analysis Li Wang Ning Sun Honghu Tang and Wei Sun School of Mineral Processing and Bioengineering Central South
·Red mud abbreviated as RM is a solid waste formed during the alumina refining process from bauxite Every year over 200 million tons of RM are discharged worldwide China is a large producer of alumina the entire amount of RM of China in storage exceeds 1 billion tons because there is no technology for large scale treatment Extensive studies on the
·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
·Comprehensive utilization of red mud and blast furnace dust Synergistic preparation of direct reduced iron and functional ceramsite article{Zhang2024ComprehensiveUO title={Comprehensive utilization of red mud and blast furnace dust Synergistic preparation of direct reduced iron and functional ceramsite}
·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
·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 red because of its rich iron III oxides comprising approximately 20 40% of its mass [2]
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 Al2O3 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
·In the literature enormous attempts have made to find suitable approaches to realize the innocuous utilization of red mud Because red mud contains a high amount of metallic oxides and alkalis there are numerous research studies seeking to further recover alumina soda ferric and titanium oxide [8] [9] So far a main application of red mud is to reuse it for producing
·Red mud is generated from alumina production through bauxite digestion with caustic soda Ma aden aluminum production estimated the abundance in a million tons as 1 2 for bauxite alumina and red mud respectively The real challenge when it comes to red mud pertains to storage capacity; many solutions have been put forward in different industries and
·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
·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
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
·application of high iron red mud Integral Utilization in Building Materials Red mud contains many substances and is considered as a complex secondary resource The amorphous aluminosili cate contained in red mud has the properties of chemical curing and hydraulicity which can be used for building materials with a certain mechanical performance
·In general red mud is a very fine material in terms of particle size distribution having an average particle size <10 μm Typical values would account for 90% of the volume below 75 μm The specific surface area BET of red mud is as large as 64 187 m2·g−1 which indicates that red mud has a high degree of mineral particle dispersion
·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
