Pre-concentration of fine antimony oxide tailings using an …
DOI: 10.1016/j.powtec.2020.08.055 Corpus ID: 225216626; Pre-concentration of fine antimony oxide tailings using an agitated reflux classifier @article{Chu2020PreconcentrationOF, title={Pre-concentration of fine antimony oxide tailings using an agitated reflux classifier}, author={Haoran Chu and Yu-hua Wang and …
Comprehensive Utilization of Iron Tailings in China
Abstract. Iron tailings are the main component of industrial solid waste, and their resource utilization has attracted the attention of the whole society. Based on the introduction of chemical mineral composition of iron tailings, the comprehensive utilization status of iron tailings is analyzed. Some existing problems are put forward and ...
The Reprocessing and Revalorization of Critical Minerals in Mine Tailings
Mine tailings, the byproduct of mining and mineral processing, are increasingly mass produced as a result of increased demand for metals and minerals as well as the advancement in technology that allows for the exploitation of lower-grade ores. Lower grades can increase the volume of tailings that may contain new gangue …
Process effluents and mine tailings: sources, effects and
Increasing population levels, growing economies, rapid urbanization and changes in consumption patterns have increased the demand for raw materials such as base and precious metals, leading to growing concerns regarding their availability and the global efficiency of the mine supply chain. Mine tailings, consisting of process effluents …
INVESTIGATION, MONITORING AND MANAGEMENT OF …
The Nui Phao Mine Company (NPMC) Tailings Storage Facility (TSF) (Fig. 1) consists of two contiguous cells, namely, the Sulphide Tailings Cell (STC) and the Oxide Tailings …
Acoustic identification and classification of four dolphin …
Passive acoustic monitoring (PAM) is an increasingly used technique to access the occurrence, distribution, and abundance of cetaceans that may be visually unavailable most of the time. The largest tailings dam failure disaster occurred on 5 November 2015, when the Fundão dam collapsed, releasing over 50 million cubic meters of tailings into the …
Management of Tailings Facilities
CHAnGes in version 3.1 Version 3.1 is an update to the third edition of A Guide to the Management of Tailings Facilities (the Tailings Guide), released in November 2017, to reflect the second edition of MAC's Developing an Operation, Maintenance, and Surveillance Manual for Tailings and Water Management Facilities (the OMS Guide), …
Synthesis of high-crystallinity Zeolite A from rare earth tailings
The elemental composition of the rare earth tailings and zeolite products was determined using an ADVANT'X 4200 XRF (X-ray fluorescence spectrometer) from the USA. The crystal structure of the zeolite was characterized using X-ray diffraction (XRD) analysis. A D8 ADVANCE diffractometer (Bruker, Germany) equipped with Cu-Kα …
Understanding spatial variations of malaria in Vietnam using …
It is concluded that the machine learning classifiers combined with remotely sensed data and GIS is promising for malaria vulnerability mapping, and the derived maps can be used as a fundamental basis for programmes on spatial disease control. Abstract This study examines the potentials of remotely sensed data, GIS and some machine …
CHAPTER V MINE TAILINGS – A SYSTEMS APPROACH
Progress in tailings management requires taking into consideration that tailings are part of a complex system. There is more complexity to managing tailings than can be handled by simple linear cause-and-effect approaches, and therefore a systemic approach is required. The tailings system needs to balance important components, which can be
Innovative Tailings Dewatering | Advancing Mine …
The dewatered tailings simply do not flow well, making the large-scale mudslides associated with previous tailings dam failures a thing of the past. HDS technology …
MANAGEMENT OF TAILINGS: PAST, PRESENT AND …
for high tailings facilities in the deep valleys of the Andes in South America. 2.1 NET PRESENT VALUE ACCOUNTING APPLIED TO TAILINGS MANAGEMENT There is a commonly held perception that transporting tailings as a slurry to a facility is the most economic approach. However, to a large extent this tailings dewatering, density and …
Remote sensing applications for reservoir water level …
Two major river systems, namely Vu Gia–Thu Bon (VG-TB) and Tam Ky, enter the East Vietnam Sea through Cua Dai, Cua Lo, and Ky Ha estuaries. The Truong Giang river connects VG-TB and Tam Ky river systems and plays a crucial role in local economic development, especially aquaculture and agriculture ( Duy et al. 2017 ).
Spatial distribution characteristics, risk assessment and …
1. Introduction. The tailings ponds (TPS) are mine facilities that store solid waste such as tailings (Kossoff et al., 2014; Tang et al., 2020).TPS has the characteristics of high potential energy and pollution, which make it one of the most important public hazards (Wang et al., 2022b; Xie et al., 2009).Since 1915, 257 tailings pond accidents …
Accelerating the Consolidation of Thickened Tailings Using …
Only grams or kilograms of valuable resources are extracted for each tonne of ore processed, generating immense amounts of tailings. Returning tailings-containment dams to their equivalent pre-disturbance landscape state is many stakeholders' acceptable management strategy. The depositing of thickened fluid fine tailings (FFT), which the …
In-Pit Tailings Management
FIGURE 71 In-pit tailings deposition at the Rabbit Lake in-pit tailings management facility CHAPTER7 multi-criteria alternatives analysis of all feasible sites, technologies and strategies management" with one of the stated goals being to "minimize the volume of t tailings for taiings placed in external tailings facilities."
Tailings.info The website focused at tailings related …
Tailings.info has been a portal for industry and the public since 2002 to contribute information and research into tailings storage practices. The site also increases public awareness with respect to the modern day handling and storage of tailings. I'd like to thank everyone who has contributed over the years both to this site and the research ...
Towards safer, more sustainable handling of mine tailings
Driven by mining volumes, globally generated tailings are estimated to total ~3.2 bn tons for copper and ~1.8 bn tons for iron per annum. Water conservation and the cost of tailings and reclamation are also becoming increasingly significant factors for sustainable and economically viable mining and long-term survival. Challenging the …
What is tailings? The fundamental Parameters you need to …
Mine tailings are the waste materials generated during the mining process, which often contain a mixture of crushed rocks, chemicals, and potentially hazardous materials such as heavy metals, asbestos, and radioactive materials. These tailings are typically stored in large piles or ponds near the mine site. The composition of mine …
The Application of Hydrocyclone Classifier in …
The Application of Hydrocyclone Classifier in Tailings. Date: From: Longding Author: admin. The application of hydrocyclone in dry tailings discharge means that the tailings slurry …
Mitigating tailings risk with filtering and co-disposal
Mitigating tailings risk with filtering and co-disposal. Fueling the energy transition will require mining more critical metals; however, as production of raw materials grows, so do the waste streams at each mine site. Georgia Williams. In Canada, 80% of the tailings are managed conventionally. 15 June 2023.
Process enhancement of vibrating classifier for …
Request PDF | Process enhancement of vibrating classifier for tailings classification-dewatering and industrial application | To reduce environmental pollution …
Vietnamese common classifiers
Tags: Vietnamese, grammar, unit noun, countable nouns, classifiers, subject, verb, object. Subject, verb and object are the most important parts in Vietnamese construction of a sentence. But another part is also important that is unit nouns or known as countable nouns or classifiers such as con (gà - chicken), cái (nhà - house), chiếc (xe ...
Dewatering of Fine Tailings for Disposal in Dams …
companies to transform conventional tailings dam disposal into low-risk and well-monitored disposal methods such as dry stacking or co-disposal [15]. These disastrous events have …
Tailings facility disclosures reveal stability risks
Tailings facility failures can leave serious environmental, social and economic legacies1. ey have dispropor - tionately shaped the reputation of the minerals industry, eroded public trust, and ...
Global Industry Standard on Tailings Management
The Global Tailings Review convened by the United Nations Environment Programme (UNEP), the Principles for Responsible Investment (PRI) and the International Council on Mining and Metals (ICMM) launched the Global Industry Standard on Tailings Management. The Standard was developed by a multi-disciplinary Expert Panel, with …
Process enhancement of vibrating classifier for …
After treating tailings with a vibrating classifier, construction sand is prepared from coarse tailings, and fine slurry is used for paste filling. The process is verified using industrial production, providing a novel way for utilizing tailings. The …
An extensive review on restoration technologies for mining tailings
Development of mineral resources and the increasing mining waste emissions have created a series of environmental and health-related issues. Nowadays, the ecological restoration of mining tailings has become one of the urgent tasks for mine workers and environmental engineers all over the world. Aim of the present paper is to …
Tailings Dam Geotechnical Stability …
can be increased to 27.5°, compared to 25.3° for the original tailings (about 2 degrees increment), while the cohesion (c) can be increased 3.5 kPa at the same time. From …
Managing Water to Minimize Risk in Tailings Storage Facility …
Reducing the amount of water in a milled tailings storage facility (TSF) is the primary way to reduce the risk of a catastrophic failure. In addition, a significant factor influencing the permitting and development of new mines, or the expansion of existing mines, is the limited availability of water in some mineral-rich countries, which has led to …