grinding of mine tailings

Mine tailings-based geopolymers: A comprehensive review

2022.9.1 3.2. Physical and chemical properties of mine tailings. In the mining industry, mine tailings are a fine-grained blend of ground-up stone particles and processing effluents created as a byproduct of the extraction of precious minerals and metals from

Upcycling of mechanically treated silicate mine tailings as alkali ...

2020.11.1 Grinding does not influence the tremolite mineral in silicate tailings. • Mechanical activation improved the reactivity of tailings to be used as a precursor for

Effects of mechanical grinding on pozzolanic activity and hydration ...

2020.11.1 To provide basic research into the utilization of mine tailings as supplementary cementitious materials in cement, the pozzolanic activity and hydration

Geotechnical Properties of Mine Tailings Journal of Materials in ...

Abstract. The engineering properties of tailings are important for the safety evaluation and engineering design of tailing dams. In the present study, laboratory experiments were

Grinding kinetics of lead–zinc tailing powders and its optimal ...

2022.9.1 Therefore, investigations in the grinding process of lead–zinc tailings into powders are urgently required. This study aims to explore grinding kinetics, particle

The Reprocessing and Revalorization of Critical Minerals in Mine

2022.1.1 Mine tailings, the byproduct of mining and mineral processing, are increasingly mass produced as a result of increased demand for metals and minerals as

Alkali-hydrothermal activation of tailings with red mud as a ...

2023.6.29 Mechanical grinding is commonly used for the tailings activation. After grinding for 80 min, the RC of quartz, microcline, and albite in gold mine tailings

Effects of mechanical grinding on pozzolanic activity and hydration ...

2020.11.1 To provide basic research into the utilization of mine tailings as supplementary cementitious materials in cement, the pozzolanic activity and hydration

Circular Economy in Tailings Management Mine Water and the

2021.1.5 Tailings are the result of processes that require grinding to sizes of 100 µm or less, so tailings have low permeability and tailing dams retain much water.

Frontiers Global Carbon Dioxide Removal Potential of

The mining industry extracts tens of Gt of rock material each year ( Aachener Stiftung, 2011; Cherlet et al., 2018) that is crushed and ground to fine grainsizes (10–1,000 μm), generating large amounts of freshly

Hydration kinetics and properties of cement blended with

2020.1.1 Mine tailings are considered as a solid waste on account of their low economic value in the current economic and technological conditions [1,2]. At present, the conventional disposal method for mine tailings is still to pile them in the tailing ponds, which causes a series of environmental pollution and potential long-term risks [[3], [4], [5]].

Mechanical activation of siliceous tailings and its application

2022.2.1 In this work, siliceous tailings were mechanically activated to improve their potential pozzolanic activity and then used as admixtures for producing cement. Various activated tailings were obtained under the condition of different grinding time. The characteristics of activated siliceous tailings were investigated systematically, including ...

Alkali-hydrothermal activation of mine tailings to prepare one

2022.10.15 Mine tailings (MTs) rich in Si and Al can be served as a promising precursor for geompolymer preparation only when the severe defect in the low reactivity is overcame. Alkali-hydrothermal activation technology was used to enhance the reactivity of MTs, and then activated tailings (ATs) and slag served as the precursors for the one

Effects of mechanical grinding on pozzolanic activity and

2020.11.1 In a previous study [15], gold mine tailings after mechanical activation were proven to possess pozzolanic activity and can be used as a supplementary cementitious material in cement. Furthermore, research has also found that the mineralogy of a raw material, rather than its chemical composition, controls its reactivity, which was a

Missouri University of Science and Technology Scholars' Mine

This was one of the largest tailings dam failures in history and was attributed to liquefaction at the core of the tailings dam which resulted in a slide failure on the downstream side of the dam (Jeyapalan, 1982). El Cabre Chile. On March 28, 1965 a 7.25 magnitude earthquake occurred in central Chile.

Upcycling of mechanically treated silicate mine tailings as

2020.11.1 Silicate tailings were mechanically treated by milling at different duration (1–16 min). •. Grinding does not influence the tremolite mineral in silicate tailings. •. Mechanical activation improved the reactivity of tailings

Recovery of gold from the Mouteh Gold Mine tailings dam

2009.7.1 It is estimated that the tailings dam of the Mouteh Gold Mine, in Iran, contains more than 770 kg of gold. Microscopic analysis reveals that sulphide minerals and active carbon are the main ...

Geoenvironmental Characterization of Sulfide Mine Tailings

2019.3.5 Spain has a long mining tradition dating from pre-historic times up to the present day. The cessation of mining activity has generated a large amount of mine wastes, most of which represent geochemical hazards. Mine tailings are watery sludge composed of medium-to-fine-grained material, resulting from grinding and mineral processing (e.g.,

Estimating processing cost for the recovery of valuable elements

2022.6.30 Second, the future mine tailings processing plant would be based in northern Chile, so the unit price of electricity, fuel, ... Mine operating costs and the potential impacts of energy and grinding. Miner. Eng., 56 (2014), pp. 70-80, 10.1016/j.mineng.2013.10.020. View PDF View article View in Scopus Google Scholar.

Recycling mine tailings as precursors for cementitious binders ...

2021.12.20 The increase in amorphous content of different mine tailings and minerals with grinding is given in Fig. 6 while in the literature researchers have also used TEM (see Fig. 7) to confirm the formation of amorphous phases pre- and post- mechanical treatment. Download : Download high-res image (195KB) Download : Download full-size

Mechanochemical activation of iron ore tailing-based ternary ...

2022.9.5 Activation and utilization of mine tailings as feedstock for CO 2 mineralization and supplementary cementitious materials (SCMs) have attracted great interest in the mining and concrete industries. In this work, a state-of-the-art review on the two utilization strategies and associated activation and pre-treatment methods was

Mechanical activation of siliceous tailings and its application as ...

2022.2.1 DOI: 10.1016/j.mineng.2021.107366 Corpus ID: 245550404; Mechanical activation of siliceous tailings and its application as cement admixtures @article{Wang2022MechanicalAO, title={Mechanical activation of siliceous tailings and its application as cement admixtures}, author={Zhiqiang Wang and Hui Chao Chu and

Assessment of mine tailings as precursors for alkali-activated ...

2020.2.26 'Fine tailings' corresponds to the same sample but ground to a x 50 of roughly 6 mm.'10% GBFS' corresponds to a mixture where 10 m% of the mine tailings was replaced by granulated blast furnace slag.

Effect of mechanical grinding on pozzolanic activity and hydration ...

2019.4.1 Mechanical grinding is commonly used for the tailings activation. After grinding for 80 min, the RC of quartz, microcline, and albite in gold mine tailings decreased to 80%, 50%, and 63% ...

Effect of mechanical grinding on pozzolanic activity and

2019.4.20 In their works on gold mine tailings inertization, Kiventerä et al. (2018a) investigated the chemical stability of geopolymers synthetized by the alkali activation of metakaolin, blast furnace slag and gold mine tailings, and they found that heavy metals (such as Cr, Cu, Ni, Zn, Mn, As, Sb, B, and V) from gold mine tailings could be

Potential Uses of Artisanal Gold Mine Tailings, with an Emphasis

2022.7.3 Few investigations have focused on the potential uses of artisanal gold (Au) mine tailings, despite the fact that artisanal gold mining activity contributes to environmental issues such as greenhouse gas. Mineralogical characterizations of artisanal gold mine tailings in Miyove gold mine (Baradega and Masogwe) in Rwanda were investigated for

Ultra-fine grinding and mechanical activation of mine waste

2017.1.10 Activation and utilization of mine tailings as feedstock for CO 2 mineralization and supplementary cementitious materials (SCMs) have attracted great interest in the mining and concrete industries. In this work, a state-of-the-art review on the two utilization strategies and associated activation and pre-treatment methods was

On the grinding effects of high-silicon iron tailings

2022.5.27 The main chemical component of high-silicon iron tailings (HSITs) is SiO2; HSITs also include some oxides such as Al2O3 and CaO. Mechanical activation can reduce the particle size of HSITs and enhance their pozzolanic activity such that they can be used as a type of mineral admixture for cement-based materials (CBMs). This study aims to

(PDF) Development of ECO-UHPC utilizing gold mine tailings

2021.6.1 In the present study, the possibility of utilizing gold mine tailings, sourced from a gold mine in Western Australia (WA), as conventional quartz sand substitute in UHPC has been investigated ...

Mineral carbonation of ultramafic tailings: A review of reaction ...

2022.6.1 In a case study conducted at the Mount Keith Nickel mine where ultramafic minerals were reacting with carbon dioxide in a non-operational TSF, ongoing mineral carbonation was noted to occur in the upper 24 cm. Magnesium carbonates found deeper within the tailings were postulated to be relocated by natural reworking of the tailings or