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 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 ...

Red mud is a byproduct of the aluminum oxide refining process that is an industrial waste residue. The storage of red mud can seriously contaminate the soil, …

Download Citation | On Apr 1, 2024, Xiao Zhang and others published Comprehensive utilization of red mud and blast furnace dust: Synergistic preparation of direct reduced iron and functional ...

1. Introduction. 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 …

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 ...

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 …

This review provides an introduction to the physical and chemical characteristics of red mud, and summarizes the active mechanism of RM-ERMs in …

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 …

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.

Keywords: red mud; valuable elements; comprehensive utilization; waste management 1. Introduction Bauxite residue is a strong alkaline solid waste discharged during the industrial production

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 ...

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 the comprehensive utilization of red mud.

Red Mud (RM), a kind of hazardous solid wastes produced during the process of alumina production, is disadvantageous for our environments owning to its …

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 …

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 comprehensive utilization of RM has attracted much attention due to its large-scale generation and harmful nature. This paper introduces the characteristics …

Interestingly, red mud is a highly promising source of scandium, a material more enriched than native bauxite. Vedanta Aluminium has been working with government, academia and industry to develop technological solutions for the comprehensive utilization of red mud, including as a domestic resource for extracting scandium.

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.

This article provides an overview of the basic characteristics of red mud. The main ways of comprehensive utilization are also summarized. It describes the …

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 …

This paper systematically reviews the comprehensive utilization methods for reducing RM environmental pollution and divides …

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).

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 …

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 ...

Red mud Comprehensive utilization Valuable metals Magnesium ferrite Adsorption Introduction Red Mud (or "Bauxite Residue") is a by-product of the alumina refining using the Bayer process, and it is consid-ered a highly alkaline waste solid (pH 10–13) [1]. Generally, 1–2 tons of red mud are discharged per tonne of alumina produced [2–4].

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 ...

With increasing production of red mud, the environmental problems caused by it are increasingly serious, and thus the integrated treatment of red mud is imminent. This article provides an overview of the composition and the basic characteristics of red mud. The research progress of safe stockpiling and comprehensive utilization of …

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 …

Alkaliphiles for comprehensive utilization of r ed mud ... wide for red mud utilization; howe ver, their direct impact on . lowering its available v olume is less likely to occur.