Tailings Pond Reclamation

Wapisiw Lookout – Pond 1 Reclamation – Sustainability – Suncor

Suncor is the first oil sands company to reclaim a tailings pond to a trafficable surface, able to support the weight of vehicles The pond was transformed into a 220-hectare watershed, named Wapisiw Lookout, capable of supporting a variety of plants and wildlife and composed of:

Tailings - Wikipedia

Paste tailings is a modification to the conventional methods of disposal of tailings (pond storage) Conventional tailings slurries are composed of a low percent of solids and relatively high water content (normally ranging from 20% to 60% solids for most hard rock mining) and when deposited into the tailings pond the solids and liquids separate

Oil sands tailings ponds - Wikipedia

Oil sands tailings ponds are engineered dam and dyke systems used to capture oil sand tailings Oil 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

Reclamation of Tailings Pond 1 - Suncor Energy - YouTube

Jun 08, 2010 · Suncor employees share their experiences and the process for reclaiming Pond 1, Suncor's first tailings pond Learn more about our tailings pond management a

Tailings Ponds - Canada's Oil Sands

Tailings ponds can remain part of an active mine operation for 30-40 years, either for tailings deposits to settle, or for storage and water recycling The first tailings pond, Suncor’s Pond One (Wapisiw Lookout), completed surface reclamation in 2010

Tailings Reclamation - Technika Engineering Ltd

The oil sands tailings pond reclamation is our core business focus Our goal is to be a leader in providing engineering solutions and technologies to enable effective oil sands tailings management and tailings pond reclamation

Tailings Mineral Industry Solution - WesTech Engineering, Inc

Tailings The various reject streams are sent to a tailings thickener In this unit the solids are allowed to settle and are then pumped to a tailings pond for further settling and water reclamation The overflow from the tailings thickener is sent to the water reclaim pond and then recycled back into the process

Suncor speeds reclamation of tailings ponds - The Globe

Suncor is deploying a new oil sands cleanup technology to sharply reduce its need for tailings ponds, which store the toxic effluent from oil sands projects

Tailings Dam Reclamation | M3 Engineering & Technology Corp

Tailings Dam Reclamation ← Back M3 embarked on one of the largest scale reclamation projects in the copper mining industry At the Tyrone Mine, New Mexico, 2,600 acres of Tailings Dams were designed and reclaimed by 2008 to satisfy agreements with the state’s regulatory agencies and conform to …

Tailings Management | Syncrude

Tailings are placed in large landforms commonly referred to as settling basins or tailings ponds Tailings ponds serve two uses – one, as the recycled water source for our plants and, two, as a containment area which enables tailings to segregate prior to further dewatering for use in reclamation activities

Tailings Pond Reclamation: Are Oil and Gas Companies Doing

Chris Severson-Baker, managing director of the Pembina Institute, a not-for-profit think tank, says Directive 74 was a missed opportunity to confront the urgency surrounding tailings pond reclamation

Showdown looming for Alberta’s oilsands over cleanup of

A tailings pond near the Syncrude tar sands operations near Fort McMurray, Alberta, on Sept 17, 2014 Alberta’s oilsands could be heading for another showdown over tailings ponds after an

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 Coarse sands are used to build-up the tailing dam, while the slimes are deposited inside the pond

Tailings - Wikipedia

Paste tailings is a modification to the conventional methods of disposal of tailings (pond storage) Conventional tailings slurries are composed of a low percent of solids and relatively high water content (normally ranging from 20% to 60% solids for most hard rock mining) and when deposited into the tailings pond the solids and liquids separate

Tailings Pond - an overview | ScienceDirect Topics

Remediation of tailings pond no 2 was finished in 2003, tailings pond nol is currently being remediated Read full chapter Jaume Bech, in Assessment, Restoration and Reclamation of Mining Influenced Soils, 2017 55 Geochemical Characterization of Tailings Ponds

What’s Yours is Mine: American Nuclear Tailings Reclamation

Wenck’s American Nuclear Tailings Reclamation project is an example of reclamation with a forfeited bond In 1994, American Nuclear Corporation filed bankruptcy and forfeited their reclamation bonds The State of Wyoming became the licensee and was responsible to achieve adequate reclamation with limited financial resources

McLaren Tailings Reclamation Project

McLaren Tailings Reclamation Project 2012 Fact Sheet The McLaren Tailings Site is located near Cooke City, Montana, in a valley drained by Soda Butte Creek, which runs through the site and through Yellowstone National Park, approximately five miles downstream

Summary of Mine Reclamation Projects in the Upper Animas

tailings Completed 1995 SGC: $766,500 Mined land reclamation and reduce loading of metals and erosion transport of tailings Sunnyside Gold Corp Eureka Townsite On banks and In floodplain of Animas River Remove 112,000 yards of tailings Completed 1996 SGC: $843,000 Reduce loading of metals and erosion transport of tailings Sunnyside Gold Corp

Tailings Centrifuge | Canada’s Oil Sands Innovation

The process water is returned to the tailings pond while the clay material is transported via truck and placed in an area that will allow for further consolidation Once the clay material is sufficiently dense, it is capped with sand and reclamation soils, and then planted with …

Tailings pond rehabilitation - Layfield

The tailings pond in this example was a Mature Fine Tailings (MFT) pond This project profile outlines the work done in the winter of 2010 to start the capping of this tailings pond Capping soft areas such as sludge ponds is a common practice with high strength geotextiles

Tailings Management at NRCan | Natural Resources Canada

The CanmetENERGY Laboratory-Devon conducts research and development that focuses on mitigating the environmental impact of surface-mined oil sands development The reduction of fluid tailings inventory and bitumen in tailings ponds and tailings pond reclamation strategies are major activities

Settling the tailings pond question Advances in the

Released water is returned to the tailings pond and ultimately recycled The solids are transported to a dedicated area for land reclamation Syncrude began developing the technology with a lab-scale proof of concept study in 2005, then a pilot scale two years later

Tailings Ponds 101 | Oil Sands Magazine

Fine solids from tailings streams tend to trap large volumes of water, making pond reclamation challenging at best Mined oil sands typically contains about 8 to 13% bitumen The remainder is mostly silica sand (up to 60%), fine solids (less than 30%) and no more than 5% water

Tailings management | Report on Sustainability

Following the surface reclamation of Pond 1 (now known as Wapisiw Lookout) in 2010, we began creating a trafficable surface on Pond 5, with a reclamation technique called coke capping Thanks to teamwork and dedication, Pond 5 can now support heavy equipment – more than two years ahead of what we had planned

Tailings management | Report on Sustainability

Following the surface reclamation of Pond 1 (now known as Wapisiw Lookout) in 2010, we began creating a trafficable surface on Pond 5, with a reclamation technique called coke capping Thanks to teamwork and dedication, Pond 5 can now support heavy equipment – more than two years ahead of what we had planned

(PDF) Reclamation of Mine Tailings - ResearchGate

Reclamation of Mine Tailings Alleviation of the chemical and physical limitations of tailings followed by reclamation of the tailings and the associated landscapes is a challenging task

Reclamation Example: From a Tailings Pond to a Trout Pond

Trojan Pond has now been self-sustaining for 20 years and serves an important role both in ongoing research on tailings pond reclamation techniques and as a recreational area for the community Highland Valley Copper hosts multiple fishing derbies at Trojan Pond each year, with funds raised going to support charities in the region

An Evaluation of Tailings Ponds Sealants - EPA

In general, the sealing character- istics for tailings ponds should be the same except for the effect of chemical constituents in the tailings pond solutions on the sealant These effects should be studied for each type of tailings solution before use of the sealant in the holding pond

Integration of reclamation and tailings management in oil

The processing of oil sands generates large volumes of slurry, known as tailings, that is impounded in tailings ponds Oil sands operators are committed to develop reclamation plans to ensure that the mine site is restored to a natural or economically usable landscape

Suncor speeds tailings-pond reclamation - Oil & Gas Journal

In addition to reducing the number of tailing ponds needed to support mining and extraction, TRO can reduce the time to reclamation for a tailing pond from 40 years at present to 7-10 years, a

Detoxification and reclamation of Suncor's oil sand

To address the need for reclamation of the mine site, Suncor is exploring a concept of sludge disposal whereby mature sludge would be pumped out of existing tailings ponds into a mined pit area with an overlying layer of top water

American Nuclear Corporation Site Final Reclamation Plan

Commission the Final Reclamation Plan for American Nuclear Corporation's (ANC's) Tailings Pond #2 and a preliminary reclamation plan for Pond #1, by copy of a letter to the State of Wyoming Department of Environmental Quality (WDEQ)

Canadian Natural Resources - Managing Tailings

Our tailings management processes focus on preventing FT through optimization and continuous improvements, dewatering tailings (increasing the release of water for recycling), and improving tailings consolidation over time, to ultimately accelerate the reclamation process

Mine Reclamation Services | ACI Northwest

A tailings pond poses a major concern for mine reclamation because a tailings pond can be quite large and it is designed to contain some dangerous, toxic byproducts that are …

Tailings Centrifugation | Canada’s Oil Sands Innovation

Once the desired solids density is reached, the released water is returned to the tailings pond and ultimately recycled through the extraction process The solids are transported to a dedicated disposal area (DDA) where they are stored for future reclamation

Biodegrading Naphthenic Acids using Sand Bioreactors in

Mature tailings dredged from a pond bottom in suspension were mixed with a polymer flocculant and spread over a "beach" with a shallow grade where the tailings would dewater and dry under ambient conditions The dried MFT can then be transported to reclaimed in place or moved to another location for final reclamation

Tailings | Wiki | Everipedia

Paste tailings is a modification to the conventional methods of disposal of tailings (pond storage) Conventional tailings slurries are composed of a low percent of solids and relatively high water content (normally ranging from 20% to 60% solids for most hard rock mining) and when deposited into the tailings pond the solids and liquids separate

What the first reclaimed oilsands tailings pond looks like

Tailings ponds currently occupy more than 170 square kilometres of the mineable oilsands region in northern Alberta For Suncor, Tailings Pond 1 became Wapisiw Lookout, named for the Cree who first introduced bitumen to European settlers

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