Feasibility of tailings retreatment to unlock value and …

Reworking the tailings is viable, although a potential environmental risk exists in the form of elevated arsenic concentrations. Further exploration is required to determine the mineralogical …

Efficient utilization of nickel rich Chromite Ore Processing Tailings …

Chromite ore processing tailing, a solid waste generated during the processing of chromite ore, is difficult to recover due to its ultra-fine size. The tailings generated from the process contains valuable chromite and iron-bearing minerals, loss of which is a matter of concern for the ferrochrome industry worldwide. Tailings generated from the processing plant is mainly …

A Sustainable Approach to Transforming Mining Waste …

a. Chromite: Chromite ore having concentrate of >50% Cr 2 O 3 with <2.0% SiO 2 which has got a good market potential was earlier considered as a waste. Using advanced technologies, it has become possible to reduce the loss of chromite values in tailings and recover values from previous stacked waste.

Feasibility of tailings retreatment to unlock value and create

Global mining generates a large amount of mine tailings, which can produce negative effects on the environment. To counteract this, government guidelines and scientific interest have emerged to ...

Gold Tailings Impacts and How to Recycle Them

Bricks and Tiles: Mixing tailings with other materials to manufacture construction products. Cement and Concrete: Using tailings as a partial replacement for sand or aggregate in cement and concrete production. 4. Mine filling. Using tailings to fill the goaf of mines is one of the effective ways to directly utilize gold tailings.

Recovery of Critical Metals from Mine Tailings | SpringerLink

It also aimed to enable the efficient recycling of tailings and reduce the residues generated by the mining process, thus contributing to the reconnection of raw materials to society. The ultimate goal of the project was to find alternative sources of critical metals, as these are vulnerable to disruption of supply because their core source is ...

Evaluation of Chromite Recovery from Shaking Table …

chromite from tailings. 27 tests for 3 factors in 3 levels designed by the Tagu- chi method with design expert 12 software to determine the optimum condi- tions for the grade and recovery.

use of chromite tailling in the cement industry

how to recycle chromite tailings, how to recycle chromite tailings. BENEFICIATION OF chromite CONCENTRATION WASTE BY … The chromite tailings disposed contain approximately 20.7% Cr2O3. Go to Product Center. What are the dangers of chromite mine tailings and waste ..., What are the dangers of chromite mine tailings and ...

PGM recovery from chromite tailings a new art or more …

refer to tailings material directly from upstream Chromite plants operated by others while the remined dumps refer to old tailings dams being remined for chromite scavenging and PGM recovery. The

Recycling of Chrome-Containing Waste from a Mining …

goes to the tailings because metamorphosed chromite is contained in the waste rock, which during gravity concentration goes to the slime tailings. For the processing of waste tailings after gravity concentration, it is advisable to focus research on the maximum extraction of chromite using chemical beneficiation methods,

Process effluents and mine tailings: sources, effects and

There are various processes in management of mine tailings such as minimizing tailings production and increasing tailings reuse, adoption of a risk-based approach and …

Valorization From Waste: Combined Reduction of Chromite …

Chromite ore processing tailings and low-grade manganese ores are typically considered waste due to their limited or negligible utility, leading to environmental and storage concerns. Researchers globally have explored various methods to utilize or upgrade these wastes, particularly because dumping chromite ore has been linked to severe health issues …

Recycling and Reuse of Mine Tailings: A Review of …

In this scenario, recycling mine tailings can help reduce the number of tailings for disposal. Circular economy, recyclability, recycling, and reuse have been identified as …

Modelling and optimization of clean chromite production …

The chromite tailings samples used in this study were obtained from the concentrator plant of Uckopru (Fethiye-Turkey). Samples taken from the waste dam were screened at 0.5 mm. Table I presents the Cr 2 O 3 analysis of the chromite tailing samples with respect to particle size. The …

Recycling Mine Tailings for a Sustainable Future Built Environment

These tailings are generally disposed, either by direct disposal of tailings in rivers, seas or disposal in form of slurry (25–30% solid) into a cell, confinement or dam . Mine tailing management is a crucial issue as the physico-chemical characteristics of the wastes have severe impact on the soil and water, some of the more severe ones ...

A study on the recovery of fine chromite from UG2 …

The recovery of chromite . from the tailings streams of South African UG2 platinum concentrators adds significant financial returns to the mining operations. Pilanesberg Platinum Mine s (PPM) is a ...

Applicability of Mozley multigravity separator (MGS) to fine chromite …

The total amount of fine chromite gravity tailings in Turkey is around 3,000,000 tons with a quite high Cr2O3 content of about 9–20%. These fines are produced as a result of the inefficiency of ...

Valorization From Waste: Combined Reduction of Chromite …

To avoid dumping this waste into landfills, researchers have tried utilizing the tailings and the ferrochrome slag as magnesia-chromite refractories and glass–ceramic . Jing …

Recycling and Reuse of Mine Tailings: A Review …

Mining is an important industry, accounting for 6.9% of global GDP. However, global development promotes accelerated demand, resulting in the accumulation of hazardous waste in land, sea, and air environments. It …

A Sustainable Approach to Transforming Mining Waste into …

Using advanced technologies, it has become possible to reduce the loss of chromite values in tailings and recover values from previous stacked waste. For example, concentrates …

The Use of Acid Leaching to Recover Metals from Tailings: A …

Mine tailings deposits are often overlooked by the industry, posing significant environmental challenges due to chemical hazards and inadequate maintenance. Nevertheless, such mineral deposits hold considerable economic potential for processing, and the adoption of innovative technologies may also address critical chemical and physical stability issues. …

Process development for elemental recovery from PGM tailings …

For instance, in 2013, the Two Rivers Platinum Mine, located in South Africa, has commissioned a recovery plant to reprocess its tailings to recover the chromite (Implats, 2015). Tailings from other mining sectors (e.g. chromium, vanadium) within the BIC can also contain valuable elements or minerals.

(PDF) Recycling strategies of mine tailing, and its technical …

Restoration techniques from mining tailing have become increasingly discussed among scholars due to their potential to offer benefits over reducing tailings levels, thereby …

Modular RCs for chromite tailings beneficiation

Modular RCs for chromite tailings beneficiation and the chromite tailings will be left behind, as a waste product, albeit one that has consider-able value," Hazell points out, adding that head grades of 23% chromite in waste streams are not uncommon. "While for PGM producers, chromite is a contaminant, it is a saleable product in its own right.

Progress, Challenges, and Perspectives of Bioleaching for …

Fortunately, various methods have been developed in recent years to recycle tailings, including the promising technique of bioleaching, chemical extraction remediation techniques, and electrochemical repair techniques, that convert waste into value. Chemical extraction is limited by soil complexity and extractants.

chrome recovery from slag

how to recycle chromite tailings - viratnagarin. ferrous chromite recovery and alloy slag beneficiation, Chrome Ore Beneficiation Plant Tailings for sale in South A typical chromite, iron recovery from slags - YouTube. ... Ferroalloy Slag recycling - Harsco Metals & Minerals. Harsco has 15 years experience in building and operating slag ...

Chromite ore beneficiation: prospects and challenges

Huge quantity of fine-sized chromite tailings is naturally generated during the production or processing and causes severe environmental hazards as well as resource losses due to the high chromite content. ... by various pollutants like chemicals, metal ions, oils, organic, and others, sometimes rendering the water useless for recycling as ...

A review of circular economy strategies for mine tailings

The biggest waste streams both in metal value and in volume in mining are tailings, which create long-term environmental liabilities to the companies (Wang et al., 2014) due to the potential for acid rock drainage generation (Simate and Ndlovu, 2014) from sulphidic tailings.Instead of considering the tailings only as an environmental challenge, the tailings …

Process optimization of a chrome ore gravity concentration …

Chromite ore scenario - India. India ranks third in the world in chromite production, and fifth in terms of ore reserves. The majority (98.6%) of the chromite resources in the country are hosted in the Sukinda Ultramafic Belt (SUB) and Boula-Nausahi Igneous Complex (BNIC) in Odisha State . These deposits are typically characterized as ...

(PDF) Recovery of Chromite Values from Plant …

During the processing of complex tailings from chromite ore production, Cr 2 O 3 was enriched by a factor of two with a total yield of 53% [28], while SnO 2 was enriched from a silicate matrix by ...