properties of thickener oil sands tailings

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MANAGEMENT OF OIL SANDS TAILINGS - Taylor & Francis
MANAGEMENT OF OIL SANDS TAILINGS - Taylor & Francis

In this process oil sands tailings are treated with Ca(OH) 2 lime and CO 2 and thickened using a suitable thickener The combination of chemical treatment and the use of a thickener results in the release of process water in short retention times without accumulation of any ions in the recovered water...

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Investigation on alternative disposal methods for froth ,
Investigation on alternative disposal methods for froth ,

Centrifugation of the TSRU tailings or filtration of the thickener underflow can produce a cake that appears to be very dry and suitable for disposal without pond containment , Geotechnical properties of polymer-amended tailings solvent recovery unit , oil sands tailings,...

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An Assessment of Oil Sands Company Submissions for ,
An Assessment of Oil Sands Company Submissions for ,

regulate the reclamation of tailings waste Oil sands companies were required to submit tailings management plans by September 30, 2009, in accordance with Directive 074: Tailings Performance Criteria and Requirements for Oil Sands Mining Schem...

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MANAGEMENT OF OIL SANDS TAILINGS - Taylor & Francis
MANAGEMENT OF OIL SANDS TAILINGS - Taylor & Francis

Oil sands tailings, composed of water, sands, silt, clay and residual bitumen, is produced as a byproduct of the bitumen extraction process The tailings ,...

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Tailings - Wikipedia
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 oreTailings are distinct from overburden, which is the waste rock or other material that overlies an ore or mineral body and is displaced during mining without ....

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Primary Separation Cells | Oil Sands Magazine
Primary Separation Cells | Oil Sands Magazine

Oil sands slurry from the Slurry Separation Plant (SPP) normally has a density of 150 to 158 t/m³ , (much like a tailings thickener or water clarifier) Shallow-angled vessels are cheaper to build but the rakes can be very high maintenance , A technical guide to the Alberta oil sands, from the physical properties of bitumen to the ....

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US20120248042A1 - Oil sands tailings management - Google ,
US20120248042A1 - Oil sands tailings management - Google ,

A system for managing oil sand tailings from a substantially continuously operating oil sands operation having an extraction process producing coarse sand tailings as an underflow from at least one cyclone and thickened tailings as an underflow from at least one thickener and a froth treatment process producing froth treatment tailings, each of ....

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Liquefaction of Mine Tailings
Liquefaction of Mine Tailings

Liquefaction of mine tailings is known to occur during cyclic, quasi-static & static loading cases but is still a relatively misunderstood concept because tailings dam failures continue to occur In the worst case scenario the results are high costs, hindered public , Laboratory properties of oil sands CT, coal, copper tailings...

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Canadian Natural Resources - Managing Tailings
Canadian Natural Resources - Managing Tailings

The continuous improvement of tailings management is an integral component of successful oil sands mining operations Reducing the size and need for tailings ponds, and increasing the speed with which they can be reclaimed, are ongoing challenges being addressed by the industry...

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Methods to Reduce Production of Oil Sands Mature Fine ,
Methods to Reduce Production of Oil Sands Mature Fine ,

Oil sands plants produce large volumes of tailings; about 15 m 3 of tailings per barrel of bitumen which is composed of sand, clay, water and residual bitumen...

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Kearl Fine Tailings – Thickener Tanks - Flynn Industrial
Kearl Fine Tailings – Thickener Tanks - Flynn Industrial

Kearl Fine Tailings – Thickener Tanks Kiewit Canada Energy Corp Fort McMurray, Alberta Introduction: The Kearl Oil Sands Project is an oil sands mine in the Athabasca Oil Sands region at the Kearl Lake area, about 70 kilometers (43 mi) north of Fort McMurray in Alberta, Canada...

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Structure And Properties of Oil Sands Clay Tailings - OnePetro
Structure And Properties of Oil Sands Clay Tailings - OnePetro

Oil sands clay tailings settle to a gel-like sludge or slime which is still relatively low in solids content, and the tailings show extremely slow dewatering beyond this point These characteristics imply a significant degree of structure in the slime Based on a comparison of some of the ....

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Sedimentation and Consolidation of In-Line Thickened Fine ,
Sedimentation and Consolidation of In-Line Thickened Fine ,

An alternative technology to improve oil sands tailings settling behavior, an in-line thickening process (ILTT), was investigated To achieve these new tailings, flocculants and coagulant are mixed with cyclone overflow tailings in an in-line multi...

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Tailings, A Lasting Oil Sands Legacy, October 2010
Tailings, A Lasting Oil Sands Legacy, October 2010

Oil sands tailings are a serious, monumental and expanding environmental liability that grows , It is these properties of both constituents that enable the CHWE process to separate bitumen from the ore The materials remaining after the bitumen has been separated from the ore are pumped into , Tailings, A Lasting Oil Sands Legacy...

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Potential for Use of Methylene Blue Index testing to ,
Potential for Use of Methylene Blue Index testing to ,

Proceedings Tailings and Mine Waste 2011 Vancouver, BC, November 6 to 9, 2011 Potential for Use of Methylene Blue Index testing to Enhance Geotechnical Characterization of Oil Sands...

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CORRELATIONS OF SHEAR STRENGTHS OF SOFT OIL SANDS ,
CORRELATIONS OF SHEAR STRENGTHS OF SOFT OIL SANDS ,

for strength measurements in soft oil sands tailings Caution should be exercised when making , thickener, the former with the paste thickener operating in a high-rate thickener regime The NST , properties, which was conducted by Shell’s Calgary Research Centre (CRC) ....

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Tailings 2017 – Gecamin Digital Publications
Tailings 2017 – Gecamin Digital Publications

Online proceedings Welcome to Tailings 2017 online articl This publication contains a selection of articles carefully reviewed by a technical committee composed of experts from the field You can directly access the articles in this publication through the search filter box on the left of the screen...

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Mining Water Treatment Chemicals | Hawkins Inc
Mining Water Treatment Chemicals | Hawkins Inc

This treatment has been found to be effective in improving tailings properties from a wide cross-section of industries, including Alumina, Copper, Nickel, Gold, Iron Ore, Mineral Sands, Oil Sands and Copper...

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Carbon Dioxide Amended Tailings | Canada’s Oil Sands ,
Carbon Dioxide Amended Tailings | Canada’s Oil Sands ,

Tailings are the sand, silt, clay and water found naturally in oil sands that remain following the mining and bitumen extraction process Tailings are transported by pipeline and deposited in ponds where the majority of the solids – mostly sand – settle to the bottom...

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copper tailing thickener flocculant - phmbinfo
copper tailing thickener flocculant - phmbinfo

Thickening of Mature Fine Oil Sands Tailings - [email protected] So the mature fine oil sands mine tailings require additional treatment (such as coagulant, flocculants, filtration, vacuum, electrokinetics, etc) to enhance thickening process...

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Tailings ponds a critical part of Alberta’s oilsands ,
Tailings ponds a critical part of Alberta’s oilsands ,

Tailings reservoirs around northern Alberta’s oilsands have a combined footprint three times larger than the city of Red Deer The ponds, which have grown with oil development over the past 50 ....

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Oil Sands Environmental Coalition - Pembina Institute
Oil Sands Environmental Coalition - Pembina Institute

Oil Sands Environmental Coalition 2 December 2016 , areas, a reservoir for process water/external tailings area (ETA), oil sands processing, and , chemical and physical properties of treated tailings and recovered water; and f) management of off-spec materials...

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Current state of fine mineral tailings treatment: A ,
Current state of fine mineral tailings treatment: A ,

Overview of coal, alumina, oil sands, and base metals tailings characteristics Reviewed theoretical and industrial developments for tailings management Determined numerous knowledge gaps between current theories and practic...

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mineral processing minimum slopes of tailing thickeners
mineral processing minimum slopes of tailing thickeners

Oil sands thickened tailings : remedies from an international Jan 21, 2017 High quality design and operation of thickeners can prevent many of the problems The source of variation may be the ore itself, a process change, addition of a Flatter beach slopes and reduced containment capacity an oil sands TT, it shows that the minimum shear ....

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Sedimentation and consolidation of in-line thickened fine ,
Sedimentation and consolidation of in-line thickened fine ,

field trials, geotechnical properties, laboratory trials, Syncrude, tailings treatment, UofA Abstract An alternative technology to improve oil sands tailings settling behavior, an in-line thickening process (ILTT), was investigated...

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Surface properties and elasticity of oil-sands-derived ,
Surface properties and elasticity of oil-sands-derived ,

The processing of these sands to recover the crude oil results in the production of vast amounts of tailings which eventually settle into unconsolidated but stable masses of structured clays (sludge), which hold large amounts of inaccessible water in the ponds...

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mining ore iron ore concentrate process tailings - Mineral ,
mining ore iron ore concentrate process tailings - Mineral ,

Jun 18, 2015· Tailing Thickener, Tailing Thickener Suppliers and Manufacturers at , final tailings and 1 or 2 kinds of middling of heavy cast iron to contain an oil reservoir for perfect splash lubrication , Add to Compare Response Baofeng Copper Mining Machinery tailings processing thickener Central drive high rate thickener for ....

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22ND INTERNATIONAL CONFERENCE ON PASTE , THICKENED ,
22ND INTERNATIONAL CONFERENCE ON PASTE , THICKENED ,

Director, Tailings, Canada’s Oil Sands Innovation Alliance, Canada , Improving installed thickener performance E de Vos, M Cook, Paterson & Cooke, , Tailings properties affecting the stacking angle of cyclone underflow R Cooper, Fraser Alexander (Pty) Ltd, South Africa...

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Tailings Management | 2017 Sustainability | Suncor
Tailings Management | 2017 Sustainability | Suncor

Fluid tailings management has been a long-standing challenge for the oil sands industry Suncor continues to address that challenge through the implementation of new fluid tailings reduction approaches and collaboration with industry peers...

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Tailings Mineral Industry Solution - WesTech Engineering, Inc
Tailings Mineral Industry Solution - WesTech Engineering, Inc

Tailings Paste Thickening , existing free water in the pond will be displaced and available for recovery and the higher concentration and drying properties of the paste will take up less space, extending the life of the pond , Oil Sands Oil sands, tar sands or, more technically, bituminous sands, are a type of unconventional petroleum ....

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