What are the iron ore tailings application technology
Since the 1990s, various concentrators have completed the recovery of useful minerals and valuable elements from the tailings after ore processing; iron tailings are widely used in paving materials, yellow sand substitutes, cement aggregates, cement production, and wall materials, Filling materials, soil amendments and trace element ...
Mechanical activation of lead–zinc mine tailings as a …
Reusing mine tailings help protect the environment. Thus, the proper management and application of tailings have turned into a global interest [1], [9]. Portland cement is of one the most widely used binders in building materials. However, its production (especially in the clinker process) has various environmental issues.
Approach to the management of gold ore tailings via its application …
Gold ore tailings can be used as a siliceous raw material for cement production. • The cement phases are 3CaO·SiO 2, 2CaO·SiO 2, 3CaO·Al 2 O 3, and 4CaO·Al 2 O 3 ·Fe 2 O 3.. The hydration products are portlandite, calcium silicate hydrate, and ettringite.
Current situation and prospects for the clean utilization of gold tailings
The demand for cement continues to increase with the growth of the construction industry, which had led to an increase in cost because of the shortage of siliceous materials used for cement production. Gold tailings rich in silica-alumina oxides are good substitutes as raw materials for cement production (Wang et al., 2022). Scholars have ...
Stabilization of iron ore tailings with cement and bentonite: …
An argument is that cement application for tailings stabilization is by itself environmentally unfavorable since cement production has a large carbon footprint (Manjarrez and Zhang 2018). Despite the foregoing rationale, cement's efficiency (reflected by enormous strength gain) and its accessibility in the vicinity of Golgohar mine justify ...
Utilization of final tailings concentration of titano …
Utilization of final tailings concentration of titano-magnetite ores in Portland cement production F L Kapustin1,2 and N N Bashkatov1 1Institute of new materials and technologies, Ural Federal University named after the first President of Russia B N Yeltsin, 19, Mira str., Yekaterinburg, 620002, Russia E-mail: [email protected] Abstract.
Utilization of tailings in cement and concrete: A …
The aim of this review is to re-assess the potential utilization of tailings for cement clinker production and the opportunities and challenges of using tailings as aggregate or supplementary cementitious materials (SCMs) in cement and …
(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 ...
From waste to resource: Advanced activation techniques for tailings …
Tailings, the solid waste residues remaining after the extraction of valuable minerals from ores, are somewhat toxic to the environment and pose health risks [[6], [7], [8]].With the escalating demand for minerals and metals, the global production of tailings has surged to approximately 13 billion tonnes annually [9, 10], challenging the sustainable development of the mining industry.
Compressive strength, durability, and resilient modulus of …
Physical and geotechnical characteristics of magnetite and hematite iron ore tailings were explored. UCS, Durability, and resilient modulus of untreated and cement-treated iron ore tailing were measured. Effect of compaction moisture, curing time and cement …
Utilization of iron tailings as aggregates in paving asphalt …
For iron tailings, existing researches is mainly in the field of cement-based materials, such as ultra-high performance concrete, dam concrete, engineered cementitious composites, Portland cement clinker, and so forth (Huang et al., 2013; Lv et al., 2019; Protasio et al., 2021; Young and Yang, 2019; Zhang et al., 2020). However, the application ...
Characterisation of magnesite mine tailings as a construction …
The results indicate that the MMT can be used as aggregates in concrete for non-wearing surfaces, manufacturing of bricks, low thermal insulation panels, embankment and …
Application of cement treated magnesite mine tailings as …
The use of soil tuff, an industrial solid waste, for the modification of lead–zinc tailings as subgrade fillers presents a sustainable solution for concurrently addressing the …
Mechanical activated waste magnetite tailing as pozzolanic …
The increasing demand for mineral resources has resulted in a rapid increase in the production of tailings [3]. ... gold tailings activated by mechano-chemical-thermal coupling can be used as supplementary cementitious materials for cement, and the practical application needs to be further studied. ... Incorporation of magnetite powder as a ...
CN116655334A
The application relates to the technical field of tailing treatment, in particular to cement mortar containing vanadium titano-magnetite tailings and a preparation method thereof. The embodiment of the application provides cement mortar containing vanadium titano-magnetite tailings, which comprises the following components: cement, quartz sand and vanadium …
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 …
(PDF) Utilization of final tailings concentration of titano …
The utilization of final tailings for concentration of titano-magnetite ores decreases fuel consumption when burning clinker compared to the traditional compositions.
Application of Magnetite Mill Tailings and Solvay Distiller …
The results showed that the strength and strength-to-density ratio of ed concrete in cement-felsite powder system is much higher than those in cement-sand system and cement-lime-sand system.
Application of cement treated magnesite mine tailings as …
Magnesite Mine Tailings (MMT) collected from Salem magnesite dump site are evaluated for their application as subgrade in road construction. Ordinary Portland Cement (OPC) was added to MMT by 2%, 4%, 6%, 8% and 10% of its dry weight and compaction characteristics, Unconfined Compressive Strength (UCS), Ultrasonic Pulse Velocity (UPV), …
Utilization of final tailings concentration of titano-magnetite …
Utilization of final tailings concentration of titano-magnetite ores in Portland cement production, F L Kapustin, N N Bashkatov. Skip to content IOP Science home Accessibility Help. Search all IOPscience ... Final tailings of wet magnetic separation (WMS) are pulled off or dumped into disposal area up to 45mln tons annually causing great ...
A novel application for magnetite tailings and municipal …
A lightweight aggregate (LWA) was manufactured from municipal sewage sludge, gangue, and coal ash. The product performance and environmental safety of the sintered material were evaluated by ...
Test research on the effects of mechanochemically activated iron
Sampled from a mining enterprise in Liaoning province, China, the tailings present a particle shape as shown in Fig. 1, and the chemical component of the sample is as shown in Table 1, its XRD diffraction pattern as shown in Fig. 2, and its particle size distribution as shown in Fig. 3.As can be seen from Fig. 1, the tailings particles present smooth surface, just …
Widely application of your silica sand tailings …
The following is the application area of quartz sand tailings. Cement The alkali content of quartz tailings is low, and its chemical composition meets the requirements of cement batching, so it can be used as a substitute for silica. …
Stabilization of iron ore tailings with cement and bentonite: …
A comprehensive series of compaction and uniaxial compression tests was performed on mixtures of cement/bentonite and tailings. Test results reveal that the …
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].However, the processing speed of tailings is far lower than …
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.
Life cycle assessment of magnesium phosphate cement production
Global warming poses a great threat to the human environment. The construction sector is responsible for around 33% of global carbon emissions (Sandagomika et al., 2024).Cement is one of the most widely used construction materials, which accounts for roughly 5%–8% of global anthropogenic CO 2 emissions, and the carbon reduction in the cement …
Enhancing Recovery of Ultra-Fine Magnetite from Low-Iron …
The characteristics of iron minerals in cyanidation tailings with a low iron grade were determined via chemical composition analysis, iron phase analysis, and mineral liberation analysis (MLA). The results showed that the cyanidation tailings contained 15.68% iron, mainly occurring in the form of magnetite (19.66%) and limonite (79.91%), in which 16.52% …
Properties and application of thixotropic cement paste …
Properties and application of thixotropic cement paste backfill with molybdenum tailings. ... Magnetite powder and kaolinite derived from waste iron ore tailings for environmental applications, Powder Technol., № 214, с. 513 ... Assessment of molybdenum mine tailings as filler in cement mortar, J. Build. Eng., № 31 ...
Preparation of magnesium potassium phosphate cement …
The magnesite tailings are waste materials generated during the extraction and beneficiation processes of magnesite [1]. In China, due to the inability to meet production requirements for high-purity magnesia, magnesite ore with a magnesium oxide content lower than 40 % is typically abandoned as tailings, thus becoming magnesite tailings.