The preparation of iron ore tailings IOTs into supplementary cementitious materials SCMs is an effective approach to achieve value added utilization of industrial solid waste This study systematically investigates the hydration pattern and strength development of Portland cement systems with the incorporation of IOTs steel slag SS granulated blast
Environmental impacts related to iron ore processing waste disposal are growing daily due to the expansion of the mining industry IOT is among the world s largest volumes of discarded material [17] This increasing volume of waste is usually disposed of in containment dams taking up large spaces causing significant adverse impacts such as deforestation of the
ii iron tailings sand used as fine aggregate particle size ranging from mm to mm is produced by grinding and filtrating of iron mineral [29] iii iron tailing powder as concrete mineral admixture of particle size < mm With the development of iron ore beneficiation the size of IOT particle is getting smaller and smaller
Further use of zero valent iron and nanosized magnetite with surface coating was studied to enhance the mobility for treatment of mine tailings contain arsenic They reported that the concentrations of arsenic in leaching solution from mine tailings were significantly reduced after stabilization with nanosized zero valent iron coated by
The recovery of iron from iron ore tailings using magnetic separation after magnetizing roasting J Hazard Mater 174 2010 pp 71 77 / View PDF View article Google Scholar
World is bestowed with self sufficient magnetite and hematite iron ores Huge volume of mining waste namely iron ore tailings IOT is generated during processing of iron ore leading to environmental concerns At the same time due to excessive usage and environmental regulations there is scarcity of naturally available granular material This paper presents the
Iron ore tailings IOTs are an important solid waste in the mining industry which can pollute the environment and endanger human health However the disposal and high value added utilization of iron tailings have always been a challenge Notably superconducting high gradient magnetic separation S HGMS technology is a promising technology in mineral
tailings facilities and their consequence of failure While not exhaustive it illustrates the enormous volume of tailings that need to be safely managed In 2001 Davies reviewed tailings facility failures up to that time and observed that all were predictable in hindsight and could have been prevented during the design and/or operational phase
Tailings are characterized by their particle size which is a crucial physical attribute that significantly affects their properties and necessitates secure management and remediation [7] [8] [9] The ecological remediation of tailings involves their transformation into soil like substrates that are capable of supporting sustainable revegetation and nutrient cycling
A considerable amount of carbon dioxide is released during the preparation of traditional Portland cement which is not in conformity with the sustainable road Developing supplementary cementitious material SCMs and reducing cement consumption are safe ways to solve this problem Iron tailings IOTs a type of mining waste from the beneficiation process of
As a consequence it is very promising to use iron tailings to replace natural aggregates for infrastructure construction in aspect of resource conservation and sustainable development At present researchers worldwide have conducted many studies on the utilization of tailings in asphalt mixture
Strength property of concrete with use of iron ore tailings is studied in the present work Currently the major utilization of TM includes land reclamation re extraction of iron or other metals and using them as raw ingredients in producing infrastructure materials backfilling
The iron ore tailings IOT used in this work were collected from four Class III high environmental risk iron ore tailings dams [26] These Fig were selected based on the associated social and environmental potential risks as well as economic relevance as described in the dams inventory of the Minas Gerais State [27] All four dams are
This work reports the use of an iron ore tailings from waste dam as a catalyst and support for carbon nanotubes synthesis and their application in the adsorption of the 17α ethinylestradiol hormone The synthesis was carried out by Chemical Vapor Deposition CVD in a Fluidized Bed system using ethylene at temperatures of 500 600 and 700 °C and acetonitrile
iron The study tests suitability of IOT in replacing natural sand partially in the making of Sand Crete Blocks SCB Iron ore tailing was added to the mix in the following percentage 10% 20% 30% and 40% of sand It was observed the compressive strength increases with increase in curing age and also increases in percentage of iron tailings
This study evaluated the use of iron ore tailings IOT as a source of silica SiO 2 to produce an alternative form of sodium silicate SS for use as an activator in one part geopolymer binders The novel SS was produced in a mechano thermo chemical process for mixing IOT with sodium hydroxide NaOH The materials were characterised by
The structures with the addition of 10% and 20% of iron ore tailings had about the same results as the structures of soil cement with no addition of iron ore tailings Moreover the use of iron ore tailings in pavements layers also contributes by creating a new disposal method to the tailings reducing the environmental impact related to the
Cost reduction in the building is the primary objective in developing countries like India To achieve this objective intensive efforts are being made in effective utilization of waste and by products particularly from mining and mineral industries Keeping this in mind a study on self compacting concrete SCC using red mud as partial replacement for cementitious
Use of iron ore tailings as partial replacement for cement on cementitious composites production with vegetable fibers article{Eugnio2024UseOI title={Use of iron ore tailings as partial replacement for cement on cementitious composites production with vegetable fibers} author={Tony Matheus Carvalho Eug{^e}nio and Andr{ e}ia Bicalho
it can cause minimal damage to the environment Iron ore tailings IOT are such waste produced during mining of iron from its ore Use of IOT will help in finding a new construction material and also help in finding a proper solution for disposal of tailings In the present study IOT procured from Tata Joda East Iron
Iron tailings used as soil substitute materials to construct reclaimed farmland soil can effectively realize the large scale resource utilization of iron tailings and reduce environmental risks It is vital to understand the mechanisms affecting reclaimed soil quality and determine the appropriate pattern for reclamation with iron tailings Thus a soil quality index SQI was
© Copyright 2024 By Ore Crushing Equipment Manufacturer
