- Mon - Sat 8:00 - 18:00
- [email protected]
- 0086-21-58386256
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 ...
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 …
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.
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 development of aluminum …
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 ...
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.
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], …
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 ...
The Bayer processing of bauxite produces a large amount of residue that is known as bauxite residue or red mud. The generalization of 1 ton of alumina yields 0.8–2.5 tons of red mud with an annual production of over 200 million tons [2, 3], and the global output of red mud was estimated to have increased to 5 billion tons in 2020. More than ...
Bao Huiming, Fu Tao. Analysis of Comprehensive Utilization of Red Mud[J]. Multipurpose Utilization of Mineral Resources, 2018, (5): 6-12. doi: 10.3969/j.issn.1000 ...
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 …
The invention discloses a comprehensive utilization method of red mud, and relates to the technical field of red mud resource utilization. The invention uses industrial waste sulfuric acid to dealkalize red mud efficiently, then returns the byproduct sodium sulfate of dealkalization to the dissolution process of alumina production by Bayer process, and fully reacts with lime …
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.
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 …
The comprehensive utilization of RM has attracted much attention due to its large-scale generation and harmful … 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 ...
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 ...
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}, …
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
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 …
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, …
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 …
A review on comprehensive utilization of red mud and prospect analysis. Minerals, 9 (6) (2019), p. 362. Google Scholar [18] K. Deelwal, K. Dharavath, M. Kulshreshtha. Evaluation of characteristic properties of red mud for possible use as a geotechnical material in civil construction. IJAET, 7 (3) (2014), p. 1053.
The invention discloses a comprehensive utilization method of a red mud coal-base rotary kiln method, belonging to the field of comprehensive utilization of solid wastes. The method comprises the following steps: fully mixing the red mud, calcium-containing compound which occupies 8-14% of the red mud, and a carbon material which occupies 20-50% of the red …
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 …
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 …
Request PDF | On Jan 1, 2003, Y. Jiang and others published An overview of comprehensive utilization of red mud from aluminum production | Find, read and cite all the research you need on ResearchGate
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. …
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 …
The average utilization rate of red mud in the world is 15%. In China, the accumulated red mud pile has increased to 0.4 billion tonnes with the annual growth rate of about 50 million tonnes, but China's red mud utilization rate is only 4%. Most of the currently produced red mud is still …
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 …