What are Tailings
Tailings facilities must be constructed in such a manner as to protect people, downstream property and the environment. ... required to sustain modern life. Mineral commodities commonly recovered in the United States are copper, gold, silver, iron, lead, zinc, uranium and coal. ... Thus, the tailings may become valuable in the future depending ...
Transforming Mining Waste to Wealth: A Novel Process for …
This study addresses the urgent need for sustainable solutions by proposing an innovative approach for the recovery of valuable elements from iron tailings. The proposed process involves a sequential application of acid leaching, chemical precipitation, and Metal-Organic Frameworks (MOFs) ion adsorption. The pre-treated iron tailings were ...
IRON TECH RESOURCES
Headquartered in Coleraine, MN, USA, IronTech Resources, LLC, is a clean technology company using patented technology to recover iron ore or other valuable minerals in abandoned mine tailing basins. at the same time, THIS CLEAN TECHNOLOGY RETURNS those lands to their original natural state or other beneficial useS such as agriculture, parks or ...
Transforming Mining Waste to Wealth: A Novel …
Iron tailings (IOTs), a significant component of industrial solid waste, are characterized by low concentrations of valuable elements [7]. As the population continues to grow and living standards rise, the demand for metals …
Technical Proposal for the Recovery of Iron Tailings in Dams …
The objective of this study is to present a tailings recovery project in a dam located in northern Brazil; the tailings in this dam have high concentrations of iron. The sustainable recovery of mineral resources can be achieved using the dredging method. The methodology used was based on two drilling projects conducted in 2001 and 2010; these projects contained samples …
Abstract: Iron tailings are the largest component of solid waste in China, and currently face problems such as low comprehensive utilization rate and low added value of products. Due to the significant differences in the characteristics of tailings from different types of mines and the varying requirements for raw materials in different application fields, it is …
The synergistic sintering of ultra-lightweight ceramsite from
Molybdenum ore tailings, iron ore tailings and waste glass powders are important industrial solid wastes, mainly composed of silicate minerals and quartz, which are expected to become alternative resources for inorganic non-metal industrial materials. ... This paper emphasizes the potential for extracting valuable metals from tailings, smelting ...
Recovery of iron minerals from low-grade iron ore tailings …
Detailed mineralogical and geochemical studies are carried out on iron ore tailings from Donimalai iron ore deposits (DIOD), India. The mineralogical studies using X-ray powder diffraction on the ...
Mix design and mechanical properties of geopolymer …
The findings provide valuable insights into the role of metakaolin as an auxiliary material in geopolymer synthesis, further enhancing the mechanical and durability properties of the final product. These findings also have broader policy implications. ... The iron tailings come from the Miaogou iron tailings in Qinhuangdao City, Hebei Province ...
A review on complex utilization of mine tailings: Recovery of …
The article will cover the characterization and composition of MTs, highlighting their potential environmental impacts. A key focus will be exploring and assessing processes for …
Sugarcane bagasse and iron ore tailings thermochemical …
The recovery of valuable chemical elements from industrial waste is essential for production processes' economic and environmental sustainability. The interaction between the iron ore tailings and sugarcane bagasse, both wastes, has the potential to provide a secondary iron source for future iron and steelmaking processes.
Research Progress on Comprehensive Utilization …
In terms of agricultural products, iron tailings are suitable raw materials for soil amendment, and biotechnology is often used to realize soil formation and heavy metal solidification of iron tailings in order to realize …
Recovery of magnetite-hematite concentrate from …
developed to extract associated valuable components which had not been recovered from ores previously [2]. The recycling of tailings to produce iron ore concentrates has a significant potential. Additional recovery of iron minerals from tailing waste can increase resource base of mining companies and amount of produced concentrate.
Waste to treasure: A sustainable technic to prepare high …
Laterite nickel ore is a valuable resource of nickel and iron, formed through extended and deep weathering of ultra-ferric rocks containing nickel silicates, typically found in tropical or subtropical regions. ... it is anticipated that this technic can be expanded to industrially prepare lithium iron phosphate from laterite nickel tailings ...
Iron Ore Tailing Beneficiation
Tailing beneficiation of iron ore has been addressed either by flotation or wet high intensity high gradient separation. The present study aims to recover iron values from discarded slime …
Mineral phase reconstruction of Bayan Obo tailings by …
To efficiently recover these valuable elements from Bayan Obo tailings, a novel processing method of complex multimetallic-associated ores, utilizing smelting reduction and crystallization control, is proposed and investigated in this study. ... The concentrate of niobium was extracted from iron tailings by a combined magnetic separation ...
The mechanism of citric acid and oxalic acid on dissolution …
It is worth mentioning that the leaching method is to extract valuable elements from iron tailings through acid or alkali solvent to realize resource recovery and reuse, which has the advantages of high efficiency, high purity, strong environmental protection, high economy and wide application range compared with other disposal methods. ...
Insights into the mechanics of uncemented and lightly …
This research provides a valuable framework to model the response of elevated height dry stacking facilities of filtered iron ore tailings. 2. ... Overall, adding 3 % of cement enhances the engineering properties of the compacted iron ore tailings under lower stress levels, which is essential during the construction stages of the dry stacking ...
Four Utilization Ways of Iron Tailings in Beneficiation …
The utilization direction of iron tailings mainly includes iron tailings recovery, filling of goafs, ecological restoration, and preparation of building materials. ... Iron tailings are solid wastes discharged after extracting iron ore concentrate from iron ore. It is a low-content valuable element produced during the processing and utilization ...
A critical review on metallurgical recovery of iron from iron …
For instance, improved flotation, magnetic separation, bioleaching, and acid leaching processes can more effectively recover iron and other valuable metals from tailings. …
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 …
Application of iron tailings in the coagulation of landfill …
On the other hand, iron tailings represent a valuable secondary resource despite their low concentration of valuable elements (Cui et al., 2021). Exploring an effective approach to utilize the low-grade iron tailings for coagulation is a viable solution for addressing both solid waste and NCLL simultaneously.
The mechanism of citric acid and oxalic acid on dissolution …
Tailings as the wastes produced in the process of mining and mineral processing, present one of the most significant environmental challenges to sustainable mine rehabilitation [1], [2].Iron tailings have become one of the most important solid wastes in the world due to iron ore beneficiation with an annual production of 140 million tons worldwide [3], [4].
Characteristics analysis of iron tailings and current status and
The bulk utilization technology of iron tailings includes tailings re-selection and preparation of building materials, among which tailings re-selection mainly focuses on extracting iron …
Development of high-strength ceramsite via sintering of iron …
Comprehensive utilisation of iron ore tailings (IOTs) resources not only makes full use of mineral resources, expands the scope of mineral resources utilisation and prolongs the service life of mines; it is also an important means of managing pollution and protecting the ecology; and it can also save a lot of land and capital, solve employment problems, benefit …
Are Iron Tailings Suitable for Constructing the Soil Profile
Iron tailings are a great quantity of solid waste discharged in iron ore mining and beneficiation, causing serious environmental problems such as land occupation, soil/water pollution and …
Durability evaluation of iron tailings concrete under freeze …
The waste created during the beneficiation and extraction of valuable components from iron ore is referred to as iron tailings. In 2020, China's iron tailings emissions reached approximately 839 million tons, resulting in the occupation of land resources and significant damage to the natural environment [1], [2].Moreover, as China's urban infrastructure …
Enhanced Iron Recovery from Ultrafine Iron Ore Tailing
In India, the tailings of iron ore beneficiation are dumped in slime ponds, which is a major environmental concern. In the present study, a new beneficiation circuit was designed to recover the valuable minerals from the tailing effectively. The present study involves the characterization of three different samples using chemical, particle size, optical microscopy, …
Enhanced mechanical properties and mechanism of iron ore tailings …
There are 1.4 billion tone of iron ore tailings (IOT) generated in the world every year [1].In China, more than 5 billion tons of IOT have been accumulated and are still increasing at a rate of 600 million tons per year [2].If not properly treated, it will cause great harm to the environment and human health [3].The chemical composition of IOT is mainly composed of …
Are Iron Tailings Suitable for Constructing the Soil Profile
Iron tailings are a great quantity of solid waste discharged in iron ore mining and beneficiation, ... Currently, comprehensive utilization pathways of iron tailings include the recovery of valuable components, production of concrete fillers and ceramsite, etc. . Although these technologies could reuse iron tailings to a certain extent, issues ...