tailings treatment methods


  • Technology of Dams and Tailings Disposal : Instituto ...


    The use of the tailings in the construction of the dams is the most widespread method, due to the lower cost, material availability and constructive ease. In this case, the dams behave as dry stacks, which are structures constructed by the transport and deposition of soil in aqueous medium.


  • Tailings and Mine Waste Management - Tetra Tech


    Tailings and Mine Waste Management Tailings Facilities Tetra Tech's tailings management expertise includes thickened, paste, dewatered, and


  • 46. Tailings Disposal Risk | KJ Kuchling Consulting Ltd.


    4 thoughts on " 46. Tailings Disposal Method Risk " hardrockminer Commented on: March 8, 2016. There is another factor inhibiting the use of dry stack and that's volume. What is the largest tonne per day facility using dry stack? The ones I've seen are usually less than 10 ktpd. What would dry stack look like for 250 ktpd? Also, what about closure? Dry stack would require treatment ...


  • New Tailings Water Management System - Veolia


    New Tailings Water Management System Supports Expansion, Helps Safeguard Environment ... classic and familiar chemical methods for efficient sand-ballasted removal in the settling step. Because retention times ... needed in its tailings water treatment to al-low for expansion of the mine and mill with-


  • WO2014100570A1 - Method for treating and drying tailings ...


    The contractor may then provide a tailings treatment method such as the method discussed above. The contractor may provide such a method by selling the method or by offering to sell that method, and/or the various accompanying parts and equipment to be used with and/or for said method.


  • Management of Tailings and Waste-Rock in …


    sized tailings ponds to ponds of over 1000 hectares, and from small tailings or waste-rock piles to waste-rock areas of several hundred hectares or tailings heaps over 200 m high. The choice of the applied tailings and/or waste-rock management method …


  • Mine Tailings Treatment for Dust Control - Soil and …


    Mine Tailings Treatment As the traditional method of using water through a sprinkler system proved to be very expensive as well as ineffective, Soil & Dust Solutions was asked to develop a long term effective sustainable dust control solution.


  • How are waste materials managed at mine sites ...


    Modern tailings dam design is very technical, and takes a number of site-specific factors into consideration, such as rainfall and flooding predictions, earthquake response, seepage control, tailings discharge method and …


  • Tailings & Wastewater Management - Samuel Engineering


    Tailings and Wastewater Management Guatemala. ... Mining Method - In Situ; Major Deliverables ; Entire Facility Design; Engineering; Procurement; Construction Management; General Contractor Process Unit Operations; Water Treatment; Tailings Handling and Storage; Deep Cone Paste Thickener; Plate and Frame Filter Presses; …


  • Costs of Remediation at Mine Sites, - EPA


    2.2.1 Treatment Methods Several methods of water treatment are currently being used or tested at mine sites, including lime precipitation, evaporation, biologic treatment using aerobic and anaerobic bacteria, wetland treatment systems, electrolyticwinning, and ion encapsulation in zeolites. The costs of these treatment methods are presented in ...


  • Hydrogeotechnical properties of hard rock tailings …


    Application of treatment methods usually results in change in geotechnical structure, fabric and particle shape and arrangement of tailings, which might result in different SWCCs for treated tailings compared to natural soils with similar particle size dis- tributions (PSDs). ...


  • Tailings - Wikipedia


    Tailings, also called mine dumps, culm dumps, slimes, tails, refuse, leach residue or slickens, terra-cone (terrikon), are the materials left over after the process of separating the valuable fraction from the uneconomic fraction of an ore.Tailings are distinct from overburden, which is the waste rock or other material that overlies an ore or mineral …


  • US20070267355A1 - Waste and Tailings Dewatering Treatment ...


    In particular the method is a method for the treatment of inorganic mining or industrial waste and especially mine tailings by dewatering. [0047] The invention will now be described by way of example only with reference to FIGS.


  • Tailings.info Water Management Considerations for ...


    All these failures have occurred at facilities that store their tailings by conventional impoundment methods. The liquefaction phenomenon, internal and external erosion, seepage and overtopping are some of the main water induced failure modes of tailings facilities (ICOLD and UNEP 2001). ... collection and treatment of seepage. Control …


  • From Tailings to Treasure? Miners Make Money …


    Goldfields has also developed new technology for a tailings retreatment plant, and processes 12,000 tons of current tailings and 88,000 tons of old tailings a month.


  • Tailing Disposal Methods and Tailings Dam Construction Design


    Tailings Dam Construction Design of slime is likely to slide and cause the dam to break away. The procedure usually adopted in such cases is to separate the tailing into coarse sand and fines in a classifier, and to use the coarse product to build up the wall ; the remainder of the pulp is discharged into the interior of the dam.


  • How is water managed and treated in mining - …


    An active water treatment system using oxidation, lime additions, and settling was found to be the most cost-effective method for treating the mine water. [16] A water treatment plant was commissioned by the Environmental Agency and began operations in 2000. [7] The treatment system was quickly optimized and is capable of removing over 99.2% …


  • Treatment of coal tailings - ScienceDirect


    The methods of disposal of the thickened slurry tailings are discussed, from the types of filtration technologies available, to new methods, including deep cone paste thickening. All these dewatering processes are designed to recirculate the maximum amount of water to the plant and offer alternatives for the tailings solids disposal to the ...


  • Oil Sands Tailings Water Treatment System | Water and ...


    Oil Sands Tailings Water Treatment System. Dissolute and emulsified (PM 10) organic compounds are one of the hazardous contaminations and represent a significant removal challenge in oil sands tailings treatment. Even with widely adopted technologies such as biological and membrane treatment methods, the effective removal is lower …


  • Reclamation - Research - Minnesota DNR - MN …


    Methods to prevent mine drainage problems include under water disposal of waste rock and tailings, creating wetlands over tailings, co-disposal of tailings and waste rock, adding alkaline materials to mine waste, and coating reactive surfaces to prevent reaction (microencapsulation).


  • 1 HOLISTIC TAILINGS MANAGEMENT SOLUTIONS …


    1 HOLISTIC TAILINGS MANAGEMENT SOLUTIONS Abstract Tailings are fine-grained typically silt-sized (1–600 μm) waste produced in the quantities between 5 and 7 billion tons per ... Alternative tailings disposal methods Paste backfill Tailings dam Concentrate thickening Concentrate ... as well as related process water treatment …


  • Tailings - Wikipedia


    Tailings ponds can also be a source of acid drainage, leading to the need for permanent monitoring and treatment of water passing through the tailings dam; the cost of mine cleanup has typically been 10 times that of mining industry estimates when …


  • What are Oil Sands Tailings? - YouTube


    Oct 06, 2015· What are tailings and why are people talking about them? Join Keith and Rita in "Conversations That Matter," a series of short videos about Alberta's oil san...


  • Cyanide Heap Leach And Tailings Impoundments …


    Treatment methods range from rinsing heaps with water to more complex techniques such as alkaline chlorination and sulfur dioxide processes, which treat both solutions (spent cyanide solutions and heap rinsate) and slurries (tailings).


  • Acid mine drainage - Wikipedia


    Tailings piles or ponds, ... clean water will overflow for release, whereas settled metal precipitates (sludge) will be recycled to the acid mine drainage treatment tank, with a sludge-wasting side stream. A number of variations of this process exist, as dictated by the chemistry of ARD, its volume, and other factors. Generally, the products of the …


  • Technical Report Treatment Of Cyanide Heap Leach And Tailings


    It discusses the various methods of treatment available (hydrogen peroxide, natural degradation with fresh water rinse, alkaline chlorination, etc.) and outlines the various phases of reclamation (treatment of cyanide solutions, disposal of treated solutions, spent heap and tailings, shaping and revegetation, surface water diversions, process ...


  • A review on in situ phytoremediation of mine tailings ...


    At present, the common treatment methods for tailings include physical treatment, chemical remediation and bioremediation. Physical treatment, such as dumping, covering, or solidifying, is the simplest remediation method used in almost all types of mine tailings. ... Research into phytoremediation of mine tailings has focused on …


  • Design Guide for the Subaqueous Disposal of …


    SUBAQUEOUS DISPOSAL OF REACTIVE TAILINGS IN CONSTRUCTED IMPOUNDMENTS ... for the Subaqueous Disposal of Reactive Tailings in Constructed Impoundments. Design Guide: Subaqueous Tailings Disposal ii February 5, 1998 Table of Contents ... Table III-2 Possible Inputs to a Tailings Pond resulting from Various Treatment Methods …


  • DESIGN AND EVALUATION OF TAILINGS DAMS - …


    Design and Evaluation of Tailings Dams DISCLAIMER AND ACKNOWLEDGEMENTS This document was prepared by the U.S. Environmental Protection Agency (EPA).


  • A Review of Nchanga Tailings Dam Operations and …


    Other methods that could be employed involve the use of chemical and biological treatment technologies. The Nchanga tailings dam, a reservoir of mine waste from Konkola Copper Mines (KCM) operations in Zambia, discharges its effluent into the local Muntimpa stream.


  • Mine Tailings Disposal Methods


    Today, the universal disposal method for tailings is the tailing pond. Tailings are slurried with water and pumped to tailing ponds for settling. Frequently, tailings are cyclone-classified before deposition.


  • Management of Tailings and Waste-Rock in …


    Management of Tailings and Waste-Rock in Mining Activities MTWR Pulp and Paper Industry PP ... The most common methods are: discarding slurried tailings into ponds ... Management of Tailings and Waste-Rock in Mining Activities (%) ...