Tailings storage facilities, failures and disaster risk
An alternative approach is the production of by-products through the addition of mineral processing to generate clean and purposeful products and reduce the …
(PDF) Overview of Mineral Processing Methods
The first process that most of the ores or minerals undergo after they leave any mine, is mineral processing or mineral/ ore dressing. It is a process of ore preparation, milling, and ore dressing ...
Optimising the activity of acrylamide-based polymer
Optimising the activity of acrylamide-based polymer solutions used to flocculate mineral processing tailings suspensions – A review. Author links open overlay panel Claudia Castillo a b, Phillip Fawell a ... Dissolved species present in tailings process water will depend on the pH at which the plant operates, influencing the surface charge …
Geosciences | Free Full-Text | Recycling and Reuse of Mine Tailings…
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 reached 7 billion tonnes of mine tailings generated yearly worldwide, and 19 billion solid tailings will be accumulated by …
Tailings.info What Are Tailings?
Tailings consist of ground rock and process effluents that are generated in a mine processing plant. Mechanical and chemical processes are used to extract the desired …
Recovery of strategically important critical minerals from …
Highlights • Strategically important critical minerals (SICMs) recovery from tailings is reviewed. • Abandoned mine tailings have higher concentration of SICMs …
Management of mineral processing tailings and …
23 24 There are three types of wastes associated with mineral processing and metallurgical processes: 25 steriles from the mine are the waste rock from surface or underground mining, 26 tailings are wastes from mineral processing plants, 27 slags are wastes from the smelters.
Improving Flocculation Performance of Copper Flotation Tailings …
The dewatering of tailings is one of the serious challenges that the mining and mineral processing industries have encountered internationally. Solid–liquid separation methods are applied to wastewater, which generally consists of fine particles and water; fine particles are settled in thickeners by the flocculation method and the cleaned …
Tailings re-handling and reprocessing | Royal IHC
Legacy tailings are often considered as waste. However, reprocessing tailings can turn the perceived waste into a valuable resource. Our in-house mineral processing knowledge, combined with our strategic partnerships, can provide complete solutions for extracting valuable materials from mine tailings.
The importance of geochemical and mineralogical
The importance of geochemical and mineralogical characterization of fresh Cu-Porphyry mine tailings in mineral processing plants to optimize their revalorization potential. Author links open overlay panel Sebastián García a b, Lorena Camus b c, Erika Gonzalez-Diaz b c, Roberto Collao d, ...
Mineral processing | Metallurgy, Crushing
Mineral processing, art of treating crude ores and mineral products in order to separate the valuable minerals from the waste rock, or gangue. It is the first process that most ores undergo after mining in order to …
Sustainable Methods of Dewatering and Disposal of Processing Plant Tailings
Mineral processing plant tailings are generally impounded to tailing ponds and tailing dams . In view of many concerns of environmental pollution and hazards, storage of tailings in ponds is discouraged. Many guidelines and policies are enforced to maintain the safety of dams and undertake environmental control methods.
Mine Tailings | General Kinematics
The type of mineral and the physical and chemical processes used for mining can cause the characteristics of mine tailings to vary, but the tailings are usually made up of the following properties: crushed rock, water, traces of metals, and additives left after the processing.
Tailings Solutions
Cutting-edge solutions for any tailings processing and repurposing needs, while reducing water use, environmental impact, risks, and costs.
Mine Tailing
Mine tailings are typically silt-sized materials derived from mineral processing, which are conventionally pumped as an aqueous slurry, thickened tailings, or a tailings paste to a …
Process effluents and mine tailings: sources, effects and
Mine tailings include process-affected water, containing dissolved metals and ore processing reagents and fine-grained ground-up rocks after minerals of value have been extracted from mined ore.
2. Processing of Sulphide Ores and Mine Tailings: …
This will mean carrying out responsible management of mine tailings with new metallurgical technologies for mineral processing while applying the principles of circular economy and sustainability, representing a new opportunity for the mining industry to invest in redeposition and responsible closure of mine tailings storage facilities while ...
Biodiversity conservation threatened by global mining wastes
Mine tailings—the residue remaining after mineral processing—represent a serious risk to the natural environment, and the failure of tailing storage facilities has caused some of the most ...
Research on the fluid characteristics of cemented backfill pipeline
However, the cemented backfill pipeline transportation of mineral processing tailings has different material properties, pipeline space and rheological properties. There are some limitations in the analysis of the above methods, such as analysis of the characteristics of non-Newtonian fluid used for high-concentration slurry, …
The Reprocessing and Revalorization of Critical Minerals in …
Mine tailings, the byproduct of mining and mineral processing, are increasingly mass produced as a result of increased demand for metals and minerals as …
Recovery of strategically important critical minerals from mine tailings
The mine tailings are mixture of fine-grained solid materials remained after extraction of recoverable metals and minerals, and water used in the process [18]. There are two main reasons for extracting critical minerals from mine tailings, particularly from old and abandoned tailings.
Data-driven modelling of the flocculation process on mineral processing …
Mineral processing tailings. The MPT used in the main study were taken from 27 mines in China. For each sampling site, the MPT were obtained from the processing plants and homogenized on-site. The representative MPT samples were transported to the Analysis and Test Centre of Central South University, China.
Towards mine tailings valorization: Recovery of critical …
The mining industry produces large volumes of mine tailings – a mix of crushed rocks and process effluents from the processing of mineral ores. Mine t…
Mine tailings: reprocess, recover & recycle
According to research by mineral processing firm , the quantity of tailings generated each year by the copper industry alone amounts to 2.9 billion tonnes, and iron-ore production adds a further 1.6 billion tonnes.
Methods for the disposal and storage of mine tailings
Extraction of the targeted resource results in the concurrent production of a significant volume of waste material, including tailings, which are mixtures of crushed rock and processing fluids ...
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 …
A review of circular economy strategies for mine tailings
Tailings are waste products of mineral processing, where target minerals or metals of an ore are separated from the unwanted gangue. Thus, the mineralogy of the orebody and selections made in mineral processing play a major role in the tailings characteristics and metal recovery possibilities.
Tailings
Tailings are the waste materials left after the target mineral is extracted from ore. They consist of crushed rock; water; trace quantities of metals such as copper, mercury, cadmium, zinc; and additives used in processing, such as petroleum byproducts, sulfuric acid and cyanide.
Mine tailings: reprocess, recover & recycle
According to research by mineral processing firm , the quantity of tailings generated each year by the copper industry alone amounts to 2.9 billion …
MANAGEMENT OF TAILINGS: PAST, PRESENT AND FUTURE
The conventional approach to tailings storage is to thicken the tailings just to the extent that they can be pumped using robust centrifugal pumps by pipeline to a surface tailings …
TAILINGS FACTSHEET
FUTURESMART MINING™ – changing the future of tailings Anglo American is working on implementing a number of step-change technologies that we expect to significantly decrease the volume of waste material produced in …