Utilization of final tailings concentration of titano-magnetite …
The utilization of final tailings for concentration of titano-magnetite ores decreases fuel consumption when burning clinker compared to the traditional compositions. Experimental …
The harmless and value-added utilization of red mud: …
In 2021, China's iron ore production was approximately 981 million tons, and the cumulative import of iron ore was approximately 1.124 billion tons [4].The cost of steelmaking is gradually increasing due to the shortage of high-quality iron ore resources [5].Many countries, including China, have abundant iron ore resources but low average iron grades.
Tailings Resource Characteristics and Multipurpose …
This is an essay in the field of mining engineering. Panzhihua is the largest vanadium-titanium magnetite resource base in China. With the development and utilization of vanadium titanium resources, a large number of tailings have been produced, which not only occupies a lot of lands but also useful ingredients are not fully utilized, resulting in resource …
Influence of process variables on properties of ceramic …
Tungsten is a strategic metal that finds wide application in industrial, medical, and military fields due to its high hardness, high melting point, and stable chemical properties [1].In 2020, China accounted for 82 % of the world's tungsten production [2].Unfortunately, the processing of tungsten results in the generation of a significant number of solid wastes with a …
Mechanical activated waste magnetite tailing as pozzolanic …
Tailings are solid waste materials produced during the process of ore mining. The disposal of tailings is a major environmental issue that arises from the process of mineral exploration [1], [2]. The increasing demand for mineral resources has resulted in a rapid increase in the production of tailings [3].
(PDF) Utilization of final tailings concentration of titano-magnetite
The introduction of 45% diatomite or tripoli significantly reduces the duration of cement grinding, provides the cement slurry with water-cement ratio of 0.9 with better density and flexural ...
Exploration of iron ore tailings with high volume in sustainable cement
Iron ore tailings (IOTs) are solid wastes produced in the process of iron ore beneficiation. Pollutants from tailings wastes sometimes cause serious environmental problems and damage, not only to animals and plants but also to human health (Nishijima and Rocha, 2020; Wang et al., 2023; Wilson and Pyatt, 2006).In China, the accumulated IOTs have reached 5 …
Clinkerisation of copper tailings to replace Portland cement …
In this study, copper mine tailings were used as a replacement for Portland cement in concrete construction using sintering process.The applicability of the concrete samples was evaluated through TG, DTA, SEM, FTIR, XRD, and TCLP.The 28-day compressive strength of the concrete sample made of cement-substituted copper tailings was 42 MPa, which was 9% …
From Waste to Wealth: Current Advances in Recycling
The burgeoning accumulation of vanadium-titanium magnetite tailings (VTMT) presents a dual challenge of environmental hazard and loss of valuable metal resources. This review arrives at a crucial juncture in global efforts towards a circular economy, focusing on innovative and effective metal recovery technologies. We explore the forefront of recycling …
A Critical Review on Potential Use of Iron Ore Tailings as
The two prominent methods for mine wastes management or storage are dams and dumps, according to Blight [].Mine tailing impoundments and dam failures are very common, and many literatures have reported this [13, 14] as a cause due to the geotechnical behaviour of tailings.The Fundao dam failure in 2015 [], Brumadinho dam disaster at Corrego do Feijao iron …
Review Utilization of tailings in concrete products: A review
There are some disposal methods such as tailing dams, dry disposal, in-pit disposal, submarine, and riverine tailings disposal, co-disposal of tailings, and paste technology that have been used in the mining industry for a long time [7], [8], [9].Although the most widely used of these methods is tailing dams, this method has many disadvantages in terms of cost, …
From waste to resource: Advanced activation techniques for tailings …
Concrete is the most widely used man-made material globally and plays a crucial role in infrastructure development. Despite its importance, the concrete industry is a major consumer of natural resources and a significant contributor to global anthropogenic carbon dioxide (CO 2) emissions.A notable source of these emissions and resource consumption is …
Toward sustainable green alumina production: A critical …
Alumina is an original critical material for defense construction and economic development, with applications in aircraft, electrical electronics, construction, materials, chemical medicine, and other fields [1], [2], [3], [4].The established global system for the alumina industry reached over 135 million tons in 2021 [5], [6].More than 95% of alumina production originated …
Mechanical activation of siliceous tailings and its application …
Mechanical activation aims at changing the reactivity or physical and chemical properties of a solid material. It can enhance the specific surface area of materials and accelerate hydration rate by the production of new surfaces, phase transformation, and decrease of particle size (Vargas and Lopez, 2018, Zhou et al., 2019).Moreover, mechanical activation will lead to …
Approach to the management of gold ore tailings via its application …
A large number of gold ore tailings pose a serious threat to the ecological environment. At the same time, with the increase of cement demand, the siliceous raw material used for cement production ...
Cement admixture containing vanadium titano-magnetite tailings …
A technology of vanadium-titanium magnetite and admixtures, which is applied in cement production, etc., which can solve problems such as the preparation method of cement admixtures to be studied, the inability to use cement admixtures, and the lack of pozzolanic activity, etc., to achieve low equipment maintenance costs and reduce processing The effect of less cost and …
Application of leached iron ore tailings to produce …
The use of iron ore tailings (IOT) is a trend for the future of mining. The adoption of alternatives that minimise the disposal of natural resources and add value to production processes strongly supports this effort. Hydrometallurgy, by means of acid leaching, has been investigated as a processing route for iron recovery from IOT.
Applications of microwave energy in cement and concrete …
The increased production of cement and concrete leads to the increased consumption of energy. Conventionally, the cement production procedure includes a clinkering process, consisting of precalcination and pyro-processing steps, as shown in Fig. 1 [2], [3].This process requires energy consumption, especially in the cyclone preheater, precalciner …
Mechanical activation of siliceous tailings and its application …
In this paper, the mechanical activation method was applied for improving the pozzolanic activity of siliceous tailings, and the activated siliceous tailings were used as admixtures in cement ...
Utilization of magnetite tailings as aggregates in asphalt …
Tests show that with an increase in substitution rate of cement in the tailings, the compressive strength of concrete tends to decrease, and when the substitution rate is at 10%, 20% and 30% ...
Application of cement treated magnesite mine tailings as …
During the field application, the ultra-fine tailings and PC32.5 cement were mixed with the cement-tailings ratios of 1:3–1:8, and the slurry concentration of 50 wt% was prepared.
Transformation of mine tailings into cement-bound …
The application of the tailings in cemented paste backfills valorizes the material for a useful goal: to fill abandoned parts of the mine as well as to increase ore recovery by …
Research on Application of Iron Tailings on Road Base
In order to make good use of waste iron tailings considering energy conservation and environment protection, a new research on the use of tailings in road base has been carried out in this study. A type of iron tailings stabilized with cement made of appropriate amount of cement was firstly selected as the semi-rigid base material. After the mix proportion design …
Utilization of iron tailings as aggregates in paving asphalt …
At present, researchers worldwide have conducted many studies on the utilization of tailings in asphalt mixture. Wang et al. (2016) investigated the application of magnetite tailings in asphalt mix. The findings suggested that the substitution of magnetite tailings for limestone aggregates improved asphalt mix's resistance to rutting.
Application of Magnetite Mill Tailings and Solvay Distiller …
In current study, felsite powder (powdery magnetite mill tailings) was used as filler and Solvay distiller waste (DW) was used as hardening accelerator for ed concrete.
Iron Ore Tailings: Characterization and …
China generates 1.5 tons of iron ore tailings for each ton of iron ore concentrate. 21, 22 In this country, the annual production of iron ore tailings reaches about 180 million tons and is increasing. 23 In India, between 10-12 …
CN111302679B
The invention belongs to the technical field of comprehensive utilization of mineral resources, and particularly relates to a cement admixture containing vanadium titano-magnetite tailings, a preparation method and application thereof, wherein the cement admixture comprises the following components: vanadium titano-magnetite tailings, lime, sodium silicate, …
Application of Waste Materials as Fillers in Bituminous Mixes
This study investigates the suitability of seven different waste materials as fillers in place of conventional material in dense graded bituminous macadam mix.
Sustainable reuse of magnesite mine tailings in cement …
This study explores the use of Magnesite Mine Tailings (MMT) as an admixture in cement stabilization of Expansive Soil (ES) to improve subgrade performance and reduce …
Application of mine tailings sand as construction …
It is shown that physical and chemical characteristics of tailings are comparable to crusher sand used in engineering construction and therefore, tailings can be used to partially replace sand …