tailings disposal methods

Tailings.info Deposition Methods of Tailings

With this in mind, the offshore disposal of tailings to natural water bodies is appealing but the actual overall environmental consequences of this technique are not fully understood. However, subaqueous deposition can be practiced in conventional impoundments. Subaqueous method of tailings deposition. Figure 3:...

Read More

Tailings.info What are tailings? - Their nature and production

Dams, embankments and other types of surface impoundments are by far the most common storage methods used today and remain of primary importance in tailings disposal planning. The particular design of these retaining structures is unique to a particular environment and mineral processing operation.

Read More

Mine Tailings Disposal Methods - 911 Metallurgist

Jun 16, 2017 ... As discussed previously, the primary types of solid wastes generated by the mining industry are overburden and waste rock from surface mining, waste rock from underground mining, bulk tailings from metal-ore and non-metal mineral beneficiation and milling processes and refuse from coal...

Read More

Tailing Disposal Methods and Tailings Dam Construction Design

Mar 17, 2017 ... Assuming that it is necessary to return the water to the plant, it is best to dispose of the tailing pulp in two stages, dewatering it in a thickener close to the plant before sending it to the dam, which can seldom be near and often has to be a considerable distance away. This method keeps at a minimum the cost...

Read More

Tailings Disposal at Mines | Tailings - TechnoMine

Topics discussed include best practice tailings disposal, regulations, modeling, re-vegetation, codisposal, and paste tailings. ... the price of minerals improve it is not unusual for tailings to be reprocessed using new methods or more thoroughly with old methods, perhaps to recover minerals other than those originally mined.

Read More

Innovative tailings disposal methods in Canada

ABSTRACT: This pa~er presents a review of two unique methods of tailings disposal which have been introduced. 1n metal mines in Canada. The thickened discharge method proposed by. Robinsky and the subaerial method proposed by Knight and Haile are reviewed. The limitations in application of these methods...

Read More

Alternative tailing disposal - fact and fiction - MWH Global

determine whether an ATD technology is suitable. Some of the factors that limit the use of ATD technologies include: □ Energy supply: ATD methods use more energy than conventional disposal methods, and thus require an inexpensive energy supply to dewater and transport the filtered, thickened or paste tailing materials.

Read More

Tailings - Wikipedia

Considerable effort and research continues to be made into discovering and refining better methods of tailings disposal. Research at the Porgera Gold Mine is focusing on developing a method of combining tailings products with coarse waste rock and waste muds to create a product that can...

Read More

Tailings Management - Department of Industry, Innovation and ...

4.0 TAILINGS DISPOSAL AND STORAGE. 13. 4.1 Tailings dewatering and thickening. 14. 4.2 Tailings disposal methods. 16. 4.3 Tailings transport. 21. 4.4 Types of surface tailings storage facilities. 22. 4.5 In-pit tailings storage. 28. 4.6 Underground tailings backfill. 32. 4.7 Comparison of tailings disposal and storage...

Read More

New Technologies on Mine Process Tailing Disposal - David ...

advantages and disadvantages of the surface paste tailing disposal method and tailing disposal method using geotextile material compared to the traditional tailing dam method were evaluated in detail, and, the costs of these three methods for a typical Pb-Zn mine establishment were compared. The analysis indicated that...

Read More

Pebble Alternative Tailings Storage Options - Ground Truth Trekking

Mar 10, 2013 ... The alternatives can be grouped into three general categories: Improved conventional impoundments, non-impoundment storage and disposal, and completely alternative mining methods. All mitigate some of the largest risks of conventional mining in sulfide ore, metal leaching and acid drainage from...

Read More

Investigation on alternative disposal methods for froth treatment ...

Jun 15, 2013 ... Abstract. In collaboration with Total E&P Canada (TEPCA), CanmetENERGY conducted an extensive research program to investigate possible alternatives for TSRU tailings disposal. We have reported on alternative methods for TSRU tailings disposal without recovery of asphaltenes in an earlier...

Read More

A New Procedure for Deep Sea Mining Tailings Disposal

Mar 23, 2017 ... It combines deep sea submarine tailings disposal, backfill disposal, tailings dam disposal, and tailings reuse disposal for the deep sea mining industry. Then, the analytic network process (ANP) method is utilized to evaluate the performances of different tailings disposal methods. The evaluation results of.

Read More

Hydrologic and Hydrogeologic Evaluation of the Thickened Tailings ...

The Kidd Creek Division of Falconbridge Ltd. has been using the Thickened Tailings Disposal. ('IT'D) method at its metallurgical site near Timmins, Ontario. In 1991, Noranda Technology. Centre was requested to examine the environmental situation at the site. The objective of the two-year study was to measure the...

Read More

Prediction of Viable Tailings Disposal Methods

Prediction of Viable Tailings Disposal Methods. A sand-fines-water diagram is proposed to analyze and describe slurries composed of coarse and fine particulate matter. The diagram can be used to predict and plan disposal methods for slurried waste and dredged material. Syncrude Canada Ltd. is considering changing...

Read More

Soil mechanics and the observational method: challenges at the ...

May 25, 2015 ... This paper illustrates the geotechnical aspects of the development of one of the world's largest copper tailings disposal facilities, located at Zelazny Most in south-west Poland. Its operation commenced in 1977 and, by the end of 2013, 527 × 106 m3 of tailings had already been stored within a confining...

Read More

Tailings and Waste Rock - Responsible Jewellery Council

Tailings and waste rock may be managed in a variety of ways, depending on their physical and chemical nature, the site topography, climatic conditions, national regulation and the socio-economic context in which the mine operations and processing plant are located. Tailings storage and disposal methods used by the...

Read More

Environmentally safe design of tailing dams for the management of ...

The need for the disposal of iron ore tailings in an enviornmentally firiendly manner is of great concern. This paper investigates the soil engineering ... A computer programme taking into account the Swedish Slip Circle Method of analysis was used in the stability analysis of dam. It also focuses on the charactierstics of the...

Read More

FLSmidth collaboration with Goldcorp to eliminate conventional ...

Jun 21, 2017 ... FLSmidth will be working with Goldcorp to develop EcoTails™, a new system to dramatically improve tailings and waste rock disposal while economically processing mine waste and ... This method will make the solution economically competitive with traditional tailings disposal methods for large mines.

Read More

Mine Tailings Fundamentals - CLU-IN

volume required for disposal. •Physical stability. •Possible use as cover material and sequencing. •Proportions of waste rock to tailings, or strip ratio. •PAG/NAG ratio material. •Possible elimination of the tailings dam. •Creation of an elevated. •PAG/NAG ratio. •Erodibility of gap graded mixtures. •Methods for mixing and.

Read More

RECENT INITIATIVES TO IMPROVE TAILINGS AND WATER ...

in the operation of mines relate to the conservation and recycle of water, an important environmental issue in the arid country surrounding the Olympic Dam deposit, and tailings disposal strategies recently adopted or under consideration. These strategies include methods such as central thickened discharge, and cemented...

Read More

Frontiers | Scientific Considerations for the Assessment and ...

Feb 5, 2018 ... Over time, this approach has evolved to more sophisticated methods such as piped discharges, with the final depth of discharge varying from a few tens of meters to several hundred meters under the sea surface. This process is referred to as either submarine tailings disposal (STD) in shallow/intermediate...

Read More

A New Procedure for Deep Sea Mining Tailings Disposal - MDPI

Mar 23, 2017 ... The objective of this paper is to propose a new tailings disposal procedure for the deep sea mining industry. Through comparisons of the tailings disposal methods which exist in on-land mining and the coastal mining fields, a new tailings disposal procedure, i.e., the submarine–backfill–dam–reuse (SBDR)...

Read More

Thickened Tailings Deposition for Closure - SRK Consulting

Jul 11, 2017 ... tailings disposal strategies, and post-operational water management of the tailings surface is also one of the most challenging aspects in terms of successful closure of a TSF. However, site operators typically select tailings disposal methods based on short-term convenience, with minimal consideration...

Read More

THE DISPOSAL OF MINE TAILINGS MATERIAL A ... - UWSpace

Aug 11, 1972 ... The principal waste material from this industry is tailings. Numerous failures of tailings dams have caused loss of life and serious pollution problems. This thesis relates to the broad scale investigation and development of improved methods for tailings disposal. A systematic morphology has been developed...

Read More

production and disposal of mill tailings in the coeur d'alene mining ...

Tailings disposal methods for each mill was determined through research into the history of mining and milling in the region. Larger mills are generally well described in the mining engineering literature. Such descriptions generally comment on tailings disposal methods. Other information was found in court records in...

Read More

the influence of depositional methods on the engineering properties ...

which tailings properties are most important in influencing construction methods and costs. Three primary containment facilities are defined: (i) No Embankment Facilities. Such facilities do not require the construction of an embankment. Examples are under sea or In-lake disposal as practiced in Canada and New Guinea,...

Read More

Co-disposal of waste rock with tailings - - GTK

Sep 25, 2015 ... Introduction. Tailings and waste rocks are usually disposed of separately. In co-disposal, however, the tailings are combined with the waste rocks. The concept has been gaining lots of attention as it is said to offer many advantages over conventional methods. (Wickland & Wilson 2005, Wickland et al. 2006)...

Read More

Appendix 17.4-B - Canadian Environmental Assessment Agency

Aug 27, 2015 ... AJAX PROJECT. Environmental Assessment Certificate Application / Environmental Impact Statement for a Comprehensive Study. Appendix 17.4-B. Tailings Disposal Best Available Technology Assessment...

Read More

The drained stacking of granular tailings : a disposal method for a ...

Nov 4, 2011 ... Proceedings Tailings and Mine Waste 2011 Vancouver, BC, November 6 to 9, 2011 The Drained Stacking of Granular Tailings: A Disposal Method for a Low Degree of Saturation of the Tailings Mass Joaquim Pimenta de Ávila, Consulting Engineer, Pimenta de Ávila Consultoria Ltda. Abstract The method...

Read More

Design, construction and management of tailings ... - CiteSeerX

tailings disposal in China, discusses three cases of tailings dam failures and explores failure mechanisms, and the procedures ... Tailings disposal, tailings management, tailings dam failures, environmental hazards, China tailings dams .... Type of tailings Method of construction Year of failure Consequences of failure.

Read More

An Analytical Model for Tailings Deposition ... - Barr Engineering

Measurements and observations from bench- and pilot-scale flume and shear cell testing of non- segregating tailings (NST) are incorporated into a semi-empirical analytical model for the prediction of fines segregation for various deposition methods and tailings characteristics. The model allows exploration of the effects of...

Read More

Tailings Dams: Where Mining Waste is Stored Forever | Alaska Gold ...

Jul 30, 2012 ... For more, including diagrams, on these methods and others, see this report [PDF]. How Often Do They Fail? An extensive 2001 study [PDF] by the International Commission of Large Dams and the United Nations Environmental Programme found that, on average, one major tailings dam incident occurs...

Read More

are they improving mine tailings management performance?

Waste, including tailings, is a key environmental issue that must be managed by mining companies. Tailings are a by-product of mineral processing, and are managed through either direct or indirect disposal methods. Globally, only 0.6 per cent of mines apply direct tailings disposal methods, including riverine tailings...

Read More

Tailings Facilities - Xinhaiia Uranium

The design configuration preferred by the NRC is as follows: “The 'prime option' for disposal of tailings is placement below grade, either in mines or specially excavated pits (that is, where the need for any specially constructed retention structure is eliminated). The evaluation of alternative sites and disposal methods...

Read More

a qualitative risk assessment and identification of key drivers for ...

geotechnical, geochemical, and site-specific elements utilized in selection of a tailings disposal technology. United States regulations and international guidelines for tailings disposal, and general industry accepted goals for current disposal technologies are summarized. Copper deposit geology, ore processing methods...

Read More

THE AJ MINE

WHAT IS THE SMALL MINE. CONCEPT AND THE MAJOR ISSUES? PRODUCTION RATE. MINING METHOD. TAILING DISPOSAL METHODS. UG TAILING DISPOSAL. UNDERGROUND FACILITIES. SURFACE FACILITIES. NOISE. TRAFFIC. EMPLOYMENT OPPORTUNITIES. FINANCIAL IMPACT ON JUNEAU. WATER...

Read More

Design, construction and management of tailings storage facilities ...

Oct 11, 2012 ... Wei, Z, Yin, G, Li, G, Wang, JG, Wan, L, Shen, L (2008) Reinforced terraced fields method for fine tailings disposal. Mineral Engineering 22: 1053–1059. Google Scholar, Crossref. Yin, G, Wei, Z, Xu, J (2004) Fine Tailings and its Dam Stability Analysis. Chongqing, China: Chongqing University Publishing...

Read More

Tailings Management Systems (TMS) - Selected Bibliography

Tailings Management Systems(TTMS). An alternative to traditional tailings disposal methods.

Read More

THICKENED TAILINGS: RHEOLOGICAL AND GEOTECHNICAL ...

Feb 12, 2008 ... Thickened Tailings – Key. Drivers. □ Mining Industry is responding to pressure to develop innovative methods for tailings disposal which include –. □ Less water to treat, manage and discharge to environment. □ Water conservation from thickening for reuse in the mill. □ A reduced need for large,...

Read More
PRE Post:overfeeding underfeeding plant
NEXT Post:profile wet ball mill efficiency