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Being a potentially highrisk asset, TSFs, tailing ponds, dams and residue disposal areas are now considered one of the most important structures on any mine site, with consequences of dam failure ranging from the catastrophic and tragic loss of life, expensive cleanup operations and political consequences that jeopardise company''s viability or may lead to imprisonment of the individuals ...
> See also: Chronology of uranium tailings dam failures. A compilation comprising many more tailings dam failures can be found here: > Download: The Risk, Public Liability, Economics Of Tailings Storage Facility Failures, by Lindsay Newland Bowker and David M. Chambers, July 21, 2015 (748kB PDF) > World Mine Tailings Failures from 1915
The tailings facilities can be built by earthfilled structures or built from the waste rock generated during mining. The pond is built by forming an embankment of waste rock at the onset of mine construction. Tailings are piped in and deposited at the crest of the embankment where they drain to form a beach.
basins, evaporation ponds, residue storage facilities (RSF) and a tailings storage facility (TSF). Tailings Residue Management Two separate facilities are proposed to manage tailings from the mine site concentrator and
limited in depth: a comprehensive guide to the design and evaluation of tailings impoundments would incorporate most of the materials in a number of examinations of tailings dam engineering and environmental performance, including those in texts by Vick .
Jun 08, 2010· Learn more about our tailings pond management a... Skip navigation ... Reclamation of Tailings Pond 1 Suncor Energy Suncor Energy. ... Resolution Copper mine tailings .
Most mining operations generate tailings when separating the valuable minerals from the excavated ore body. Historically, those tailings were discharged into ponds, impoundments, mine dumps, clum dumps, slime tailings, leach residue, tailings dams, or slickens.
Migrating waterfowl has been known to land on tailing ponds, and in some cases with dramatic consequences. In 2008, about 1,600 ducks died after landing on a tar sands tailing pond in Alberta, contaminated by floating bitumen, a tarlike substance. However, simple deterrent measures can reduce that risk significantly.
Tailing ponds are areas of refused mining tailings where the waterborne refuse material is pumped into a pond to allow the sedimentation (meaning separation) of solids from the water. The pond is generally impounded with a dam, and known as tailings impoundments or tailings dams.
Aug 06, 2014· What you need to know about tailings ponds Understanding the tailings ponds breach at Mount Polley near Likely,, which has emptied mine waste into waterways
Mine tailings'' size and composition depends on the mining method. For hardrock metal mines, tailings are usually a very fine mud or powder, which is left over after ore is crushed and valuable minerals are extracted from it. Tailings may also contain chemicals used for mineral extraction.
In the past, reclamation of abandoned tailing ponds was seldom practiced by mining companies. At present, however, state laws in most mining states require some form of reclamation once a tailing pond has served its useful life. A number of studies have been conducted to investigate possible commercial uses of mill tailings.
Bauxite tailings, also known as bauxite residue, red mud, red sludge, or alumina refinery residues (ARR), is a highly alkaline waste product composed mainly of iron oxide that is generated in the industrial production of alumina (aluminium oxide, the principal raw material used in the manufacture of aluminium metal and also widely used in the manufacture of ceramics, abrasives and refractories).
Oil sands tailings ponds are engineered dam and dyke systems used to capture oil sand sand tailings contain a mixture of salts, suspended solids and other dissolvable chemical compounds such as acids, benzene, hydrocarbons residual bitumen, fine silts and water. Large volumes of tailings are a byproduct of bitumen extraction from the oil sands and managing these tailings is one of ...
Mine sites typically manage tailings by constructing ponds secured by dams. According to the web site, another strategy is to produce thickened tailings, which are pressed or have chemicals added to remove excess water. Thickened tailings can be mixed with cement and used in construction or as backfill in underground mines.
Aug 07, 2014· Last Monday, a "tailings pond" dam holding waste from the Mount Polley gold and copper mine in British Columbia broke, spilling billions of .
Residue and Tailings Management. Mt Weld: Click here to view the information that Lynas has prepared on tailings dams in accordance with the Investor Mining Tailings Safety Initiative.. The Mt Weld deposit and its overlying sediments have formed at or near the surface in a strongly oxidising, supergene geochemical environment.
Typically, tailings ponds are large areas used as a dumping ground for mining. tailings (waste material after the good stuff has been extracted). This is where the waterborne refuse material is pumped into a large manmade pond to allow the sedimentation (meaning separation) of solids from the water. The pond is generally impounded with a dam ...
May 16, 2019· It''s the iron oxide that gives the residue its distinctive red colour. The most common way of dealing with red mud is storing it in tailings dams or ponds. ... mining and bauxite residue ...
''We''ve come to the Kennedy Mines Tailing Wheels, which were once these four huge wheels that carried the tailings, or residue, from the mines.'' ''Questions about possible adverse health effects from environmental and occupational exposures to uranium have arisen as a result of uranium mining, residual mine tailings, and the use of depleted ...
Rainfall water drainage on final covers of tailing/mining waste storage sites; Pore pressure control in tailings dams; Tailings dewatering; Leachate collection in heap leach pads; Rehabilitation of old mining sites; Installed below impermeable geomembranes in fresh or processed water ponds, DRAINTUBE allows water and/or gas pressures to ...
Product and chemical recovery in mining and minerals In the leaching/digestion process, the mineral is extracted from the ore by reacting with an acid or base. The pregnant liquor that contains the mineral is then sent to a precipitation circuit to precipitate the mineral, after which it undergoes thickening and filtration processes
The two tailings ponds contain a total of million tons of tailings (Fig. a), their average uranium concentration being 67 g/t. Because the barren process solutions were neutralised only to pH 7–8 (instead of shifting pH to –11) during the milling process, the TDS content exceeds 20 g/l in the liquid phase of the tailings.
Sep 02, 2014· Extracting the valuable minerals thus leaves behind an unwelcome residue, which conventionally is dealt with in tailings ponds. This problem is particularly pronounced for bitumen mining in Alberta, where the vast scale of the production poses significant environmental problems.
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