Research Progress on the Preparation of New Building Materials …
Download Citation | Research Progress on the Preparation of New Building Materials Using Iron Tailings | Iron tailings are the parts containing small amounts of valuable elements and produced in ...
Cementitious activity of iron ore tailing and its utilization in
Iron ore tailing (IOT) is an industrial solid waste produced after beneficiation process of iron ores. It is a kind of fast accumulated waste due to the increasing demand for iron, steel and the relevant industries worldwide [1].
Iron Ore Tailings: Characterization and Applications
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 million tons of iron ore tailings are extracted in the form of ultrafine waste. 24 In Australia, it is estimated that ...
Evaluation of iron ore tailings for the production of building materials
Iron ore tailing is a by-product generated during washing of iron ore & its amounts to be around 18-20 million tones per year in India. Storage of this huge amount of iron ore tailing in massive ponds pose environmental hazards. This study considers two Indian sources of iron ore tailings (marked as A1 and A2) & their structural evaluation utilizing X-ray diffraction (XRD) and field …
Underestimated environmental benefits of tailings resource …
Mineral resources are indispensable raw materials in economic development, and they are also non-renewable resources. Since the last century, due to the rapid growth of the world population and economy, the exploitation of mineral resources has shown exponential growth at 2–6% (USGS, 2017).Tailings are "waste" slag left after extracting useful substances …
Iron ore tailings as a new product: A review-based analysis of …
Iron ore mining processes generate two main waste types: iron ore gangue (IOG) and iron ore tailings. The IOG is a commercially worthless material closely mixed with the iron …
Industrial byproduct Iron ore tailings as ecofriendly materials …
In this study, iron ore tailings (IOTs) are used as aggregates to prepare iron-ore-tailing-engineered cementitious composites (IOT-ECCs) to achieve clean production.
Cementitious activity of iron ore tailing and its utilization in
Iron ore tailing (IOT) is an industrial solid waste produced after beneficiation process of iron ores. It is a kind of fast accumulated waste due to the increasing demand for …
Recycling of low-silicate iron tailings in the production of
A feasible process for preparing lightweight building materials from the low-silicate iron tailings was developed. Various proportions of bentonite, expanded perlite and feldspar were mixed …
Recycling of low-silicate iron tailings in the production of
The study provides an attractive method for recycling low-silicate iron tailings to prepare lightweight insulating building materials with higher strength, which it is suggested will be helpful in the production of energy-efficient building materials from green, raw materials and recycled industrial waste.
Enhancing the properties of UHPC with recycled concrete powder and iron
According to the report released by the China Cement Association [5], global cement production in 2022 amounts to approximately 4.16 billion tons, with China accounting for 2.13 billion tons and India contributing 384 million tons.By 2022, this had resulted in the construction sector accounting for approximately 8∼9 % of global carbon emissions, …
Converting Iron Mine Tailings into Composite Aggregates …
Iron tailings (IT) are by-products of iron ore mining, which have the characteristics of high stockpile and low cost. Recycling IT as alternatives for high-quality quartz sand (QS) in ultrahigh-performance mortar (UHPM) is an environmentally friendly and sustainable approach.
Turning waste into treasure: Utilizing environment-pollutant …
During the refining process of finished graphite, the production of one ton of refined graphite inevitably results in the generation of over ten tons of graphite tailings [1], [2].Historically, these tailings have predominantly been accumulated in tailing dams, a practice with profound negative implications for both the environment and society.
From mining waste to building materials
Canadian tech company EnviCore and nickel mining company Talon Metals are teaming up to pioneer a "full value mining" technology that converts mine waste into products …
INVESTIGATION OF IRON ORE TAILINGS IN …
MASONRY UNITS MADE OF IRON ORE TAILINGS ARE WIDELY ACCEPTED AS ENERGY EFFICIENT ALTERNATIVES TO BURNT CLAY BRICKS. IN THIS STUDY, ATTEMPTS WERE MADE TO INVESTIGATE THE SUITABILITY AND RELIABILITY OF IRON ORE TAILINGS IN MANUFACTURE OF BUILDING BLOCKS. . IndexTerms – Iron tailings, compressive strength, …
Recycling of low-silicate iron tailings in the production of
The study provides an attractive method for recycling low-silicate iron tailings to prepare lightweight insulating building materials with higher strength, which it is suggested will …
Mechanical properties and hydration mechanism of high …
Iron ore tailings (IOT) is among the most extensive mine solid-waste resources in China, and it is challenging to achieve efficient consumption of this resource [10], [11]. However, it is efficient to use IOT as raw materials for the preparation of building materials [12], [13], [14].
Converting Iron Mine Tailings into Composite …
Iron tailings (IT) are by-products of iron ore mining, which have the characteristics of high stockpile and low cost. Recycling IT as alternatives for high-quality quartz sand (QS) in ultrahigh-performance mortar (UHPM) is an …
Harnessing iron tailings as supplementary cementitious materials …
The increasing demand for sustainable construction materials has led to the exploration of iron tailings (ITs) as supplementary cementitious materials (SCMs) in Limestone Calcined Clay Cement (LC 3).This study investigates the effects of varying ITs content in LC 3 on compressive strength, microstructure, and environmental impact. Replacing 28 % of LC 3 with …
Recycling of low-silicate iron tailings in the production …
A feasible process for preparing lightweight building materials from the low-silicate iron tailings was developed. Various proportions of bentonite, expanded perlite and feldspar were mixed into iron tailings to serve as binder, pore former and uxing agent, respectively.
From mining waste to building materials
Canadian tech company EnviCore and nickel mining company Talon Metals are teaming up to pioneer a "full value mining" technology that converts mine waste into products for the building, construction, and infrastructure industries.
Iron ore tailings as a new product: A review-based analysis …
Iron ore mining processes generate two main waste types: iron ore gangue (IOG) and iron ore tailings. The IOG is a commercially worthless material closely mixed with the iron ore raw material, run-of-mine (ROM).
Harnessing iron tailings as supplementary cementitious materials …
A review on 3D printable cementitious material containing copper and iron ore tailings: material characterization, activation methods, engineering properties, durability, and microstructure behavior
Harnessing iron tailings as supplementary cementitious …
A review on 3D printable cementitious material containing copper and iron ore tailings: material characterization, activation methods, engineering properties, durability, and …
Iron ore tailings as a supplementary cementitious material in the
This paper specifically points out three directions for the use of iron ore tailings in construction and building materials, namely production of cementitious materials, preparation of bricks as ...
Basic characteristics and environmental impact of …
This study systematically explores the physical and chemical properties, grindability, and basic characteristics of extremely fine particle iron ore tailings (IOTs), providing the basis for the comprehensive utilization of such …
An evaluation of iron ore tailings characteristics and iron …
According to GB/T 31288–2014 [27] and YB/T 4561–2016 [28], there are three types of IOT: iron tailings powder, iron tailings super fine sand, iron tailings fine sand. However, in most previous researches, IOT mainly covers three categories: (i) iron tailings rock, used as coarse aggregate, of particle size >4.75 mm, is produced by ...
Recycling of low-silicate iron tailings in the production of
Thorough examination of the utilization rate of iron tailings and the attributes of lightweight building materials found that the optimized iron tailings content was 50 wt%, with 20...
Basic characteristics and environmental impact of iron ore tailings
This study systematically explores the physical and chemical properties, grindability, and basic characteristics of extremely fine particle iron ore tailings (IOTs), providing the basis for the comprehensive utilization of such IOTs in the field of building materials.
Co-utilization of iron ore tailings and coal fly ash for porous
Currently, IOTs is commonly employed in the backfilling of goafs (He et al., 2023; Zhang et al., 2023), production of building materials (Zhao et al., 2021a), and recovery of valuable elements (Li et al., 2023b; Tang et al., 2021). Although these methods contribute to IOTs utilization, their economic and sustainable aspects pose obstacles to ...
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