• flocculation of the syncrude fine tailings: part i. effect

    Flocculation of the Syncrude fine tailings: Part I. Effect

    In a new process of fine tailings disposal, after extraction of bitumen from Athabasca oil sands, the slurry, which contains clays, sand and a small amount of bitumen, is flocculated and thickened into a paste. The effects of pH, polymer dosage and presence of divalent cations on the flocculation of the Syncrude tailings have been studied. The

  • flocculation of the syncrude fine tailings request pdf

    Flocculation of the Syncrude fine tailings Request PDF

    Flocculation of the Syncrude fine tailings. Article in International Journal of Mineral Processing 60(2):153-161 · September 2000 with 24 Reads How we measure 'reads' A 'read' is counted each

  • (pdf) flocculation of the syncrude fine tailings janusz

    (PDF) Flocculation of the Syncrude fine tailings Janusz

    Flocculation of the Syncrude fine tailings

  • flocculation of the syncrude fine tailings: part ii

    Flocculation of the Syncrude fine tailings: Part II

    Good flocculation can be achieved with lower polymer dosages when using more dilute polymer solutions and continuous polymer addition during conditioning. The PEO flocculant was found to be very effective for flocculation of the Syncrude tailings.

  • flocculation of the syncrude fine tailings, international

    Flocculation of the Syncrude fine tailings, International

    2000-09-01· Flocculation of the Syncrude fine tailings Flocculation of the Syncrude fine tailings Sworska, A; Laskowski, J.S; Cymerman, G 2000-09-01 00:00:00 In a new process of fine tailings disposal, after extraction of bitumen from Athabasca oil sands, the slurry, which contains clays, sand and a small amount of bitumen, is flocculated and thickened into a paste.

  • flocculation of the syncrude fine tailings: part ii

    Flocculation of the Syncrude fine tailings: Part II

    The fine tailing samples (de-sanded slurry) from Syncrude, which contain 7% solids (clays, sand and small amount of bitumen), were utilized in the flocculation tests. X-ray diffraction analysis of the Syncrude tailings indicated that the sample contained kaolinite, illite and quartz. It

  • (pdf) flocculation of the syncrude fine tailings janusz

    (PDF) Flocculation of the Syncrude fine tailings Janusz

    Flocculation of the Syncrude fine tailings

  • flocculation of the syncrude fine tailings part i. effect

    Flocculation of the Syncrude fine tailings Part I. Effect

    Request PDF Flocculation of the Syncrude fine tailings Part I. Effect of pH, polymer dosage and Mg2+ and Ca2+ cations In a new process of fine tailings disposal, after extraction of bitumen

  • flocculation of the syncrude fine tailings, international

    Flocculation of the Syncrude fine tailings, International

    2000-09-01· Flocculation of the Syncrude fine tailings Flocculation of the Syncrude fine tailings Sworska, A; Laskowski, J.S; Cymerman, G 2000-09-01 00:00:00 In a new process of fine tailings disposal, after extraction of bitumen from Athabasca oil sands, the slurry, which contains clays, sand and a small amount of bitumen, is flocculated and thickened into a paste.

  • flocculation of the syncrude fine tailings: part ii

    Flocculation of the Syncrude fine tailings: Part II

    Good flocculation can be achieved with lower polymer dosages when using more dilute polymer solutions and continuous polymer addition during conditioning. The PEO flocculant was found to be very effective for flocculation of the Syncrude tailings.

  • (pdf) flocculation of the syncrude fine tailings: part ii

    (PDF) Flocculation of the Syncrude fine tailings: Part II

    The first part of the project identified an optimum pH range and optimum Mg2+ and Ca2+ concentrations. Following this, a series of the tests was carried out under varying hydrodynamic conditions. The tests also included a polyethylene oxide (PEO)

  • flocculation of the syncrude fine tailings part i. effect

    Flocculation of the Syncrude fine tailings Part I. Effect

    In a new process of fine tailings disposal, after extraction of bitumen from Athabasca oil sands, the slurry, which contains clays, sand and a small amount of bitumen, is flocculated and thickened into a paste. The effects of pH, polymer dosage and presence of divalent cations on the flocculation of the Syncrude tailings have been studied. The

  • simon yuan: success criteria for flocculation of high

    Simon Yuan: Success Criteria for Flocculation of High

    2014-09-11· Simon Yuan is a Senior Engineering Associate with Syncrude Canada in Edmonton, Alberta. He talks briefly about the differences between diluted and high density FFT flocculation, and explains the

  • tailings management syncrude

    Tailings Management Syncrude

    At Syncrude, tailings are a byproduct of our process to extract bitumen from oil sand. Tailings are composed of a mixture of water, sand, clay, fine solids, residual hydrocarbon and salts all of which are naturally found in oil sands deposits. Tailings are placed in large landforms commonly referred to as settling basins or tailings ponds

  • tailings reclamation syncrude

    Tailings Reclamation Syncrude

    Syncrude is committed to responsible oil sands development, which includes improving our environmental performance and meeting the targets set out in this new directive. Visit our Sustainability Report for further information on how we are meeting tailings regulatory requirements and current performance data.

  • dynamic flocculation canada’s oil sands innovation

    Dynamic Flocculation Canada’s Oil Sands Innovation

    Tailings is a mixture of water, sand, clay and silt particles and traces of residual bitumen, which remains after the warm water extraction process separating bitumen from sand. Some of the fine clay solids called fluid fine tailings (FFT) can take years to settle to a state where reclamation is possible. These particles also trap water

  • syncrude fined c$2.75 million over blue heron deaths

    Syncrude fined C$2.75 million over blue heron deaths

    2019-01-02· Canada's Syncrude has been directed to pay C$2.75 million ($2.01 million) after it pleaded guilty over the death of 31 blue herons at its oil sands site in northern Alberta, the Canadian province

  • flocculation-assisted dewatering of fluid fine tailings

    Flocculation-Assisted Dewatering of Fluid Fine Tailings

    The ongoing generation of mature fine tailings (MFT) or fluid fine tailings (FFT) from surface mining activities of the oil sands industry in Canada has been a contentious issue for many years.

  • flocculation of the syncrude fine tailings part i. effect

    Flocculation of the Syncrude fine tailings Part I. Effect

    In a new process of fine tailings disposal, after extraction of bitumen from Athabasca oil sands, the slurry, which contains clays, sand and a small amount of bitumen, is flocculated and thickened into a paste. The effects of pH, polymer dosage and presence of divalent cations on the flocculation of the Syncrude tailings have been studied. The

  • enhanced flocculation of oil sands mature fine tailings

    Enhanced Flocculation of Oil Sands Mature Fine Tailings

    concluded that centrifugation of mature fine tailings (MFT) could drastically reduce the water loss per barrel of bitumen, and also eradicate any possible need for the storage of tailings in fluid form, reducing the time elapsed between the mining and reclamation processes.[9] Syncrude recently built 18 plant-

  • role of mixing energy in the flocculation of mature fine

    Role of Mixing Energy in the Flocculation of Mature Fine

    Role of Mixing Energy in the Flocculation of Mature Fine Tailings Article (PDF Available) in Journal of Environmental Engineering 138(1):129-136 · January 2012 with 222 Reads How we measure 'reads'

  • studies on flocculation of fine mineral tailings using

    Studies on flocculation of fine mineral tailings using

    STUDIES ON FLOCCULATION OF FINE MINERAL TAILINGS USING NOVEL POLYACRYLAMIDE BASED POLYMER By SIMIN KHATIBI A THESIS Presented to the Faculty of the Graduate School of the MISSOURI UNIVERSITY OF SCIENCE AND TECHNOLOGY In Partial Fulfillment of the Requirements for the Degree MASTER OF SCIENCE IN MINING ENGINEERING. 2016 Approved by Dr. Lana Alagha

  • flocculation and dewatering of kaolinite suspensions

    Flocculation and dewatering of kaolinite suspensions

    The development of a method to consolidate and dewater Athabasca oil sands mature fine tailings (MFT) is one of the major challenges facing Alberta’s oil sands industry. This thesis presents studies performed on the flocculation and dewatering of kaolinite suspensions (the

  • characterization and flocculation studies of fine coal

    Characterization and flocculation studies of fine coal

    Characterization and flocculation studies of fine coal tailings by S. Kumar*, S. Bhattacharya*, and N.R. Mandre* Synopsis The re-use of waste water from coal preparation plant tailings is always desirable, but is generally problematic in terms of solid-liquid separation. Dewatering and disposal of coal slurry at a high percentage of moisture

  • tailings reclamation syncrude

    Tailings Reclamation Syncrude

    Syncrude is committed to responsible oil sands development, which includes improving our environmental performance and meeting the targets set out in this new directive. Visit our Sustainability Report for further information on how we are meeting tailings regulatory requirements and current performance data.

  • tailings management canada’s oil sands innovation

    Tailings Management Canada’s Oil Sands Innovation

    The Tailings EPA has identified key issues facing the industry and is working to address the following: the accumulation of fluid fine tailings (FFT) within tailings ponds through the development of new and improved tailings management technologies; treatment of process affected water, the water which remains once the FFT are removed; and

  • investigation on the flocculation of oil sands mature fine

    Investigation on the flocculation of oil sands mature fine

    Mature fine tailings (MFT), a mineral matrix of residual hydrocarbons, water, and fine clays, are generated by the extraction of bitumen from oil sands. Finding ways to get MFT to dewater more quickly is critical to improving the reclamation of tailing ponds. Although many methods have been developed to treat MFT, most of them have been

  • adaptive in-line mixing for fluid fine tailings flocculation

    Adaptive In-line Mixing For Fluid Fine Tailings Flocculation

    A method for monitoring and controlling flocculation of oil sands fine tailings in a pipeline is provided comprising injecting a polymeric flocculant into a tailings feed being pumped through the pipeline, mixing the polymeric flocculant and tailings feed in the pipeline, and providing one or

  • australian centre for geomechanics conference paper

    Australian Centre for Geomechanics Conference Paper

    Abstract: Syncrude Canada Ltd. is currently developing multi-pronged technologies to treat its legacy fluid fine tailings (FFT). FFT centrifugation, thin-lift and thick-lift (Accelerated Dewatering with rim ditch) are three key technologies. They all require proper mixing and flocculation of high density FFT with a polymeric flocculant.

  • enhanced flocculation of oil sands mature fine tailings

    Enhanced Flocculation of Oil Sands Mature Fine Tailings

    concluded that centrifugation of mature fine tailings (MFT) could drastically reduce the water loss per barrel of bitumen, and also eradicate any possible need for the storage of tailings in fluid form, reducing the time elapsed between the mining and reclamation processes.[9] Syncrude recently built 18 plant-

  • oil sands fine tailings flocculation using

    OIL SANDS FINE TAILINGS FLOCCULATION USING

    2013-03-28· A process for flocculating and dewatering oil sands fine tailings is provided, comprising: adding the oil sands fine tailings as an aqueous slurry to a stirred tank reactor; adding an effective amount of a polymeric flocculant to the stirred tank reactor containing the oil sands fine tailings and operating the reactor at an impeller tip speed for a period of time that is sufficient to form a

  • syncrude tailings dam

    Syncrude Tailings Dam

    The name Syncrude Tailings Dam often refers to the Mildred Lake Settling Basin (MLSB). This is an embankment dam that is, by volume of construction material, the largest earth structure in the world in 2001. It is located 40 km (25 mi) north of Fort McMurray, Alberta, Canada at the northern end of the Mildred Lake lease owned by Syncrude Canada Ltd..

  • impact of flocculation-based dewatering on the shear

    Impact of flocculation-based dewatering on the shear

    Impact of flocculation-based dewatering on the shear strength of oil sands fine tailings Nicholas Beier, a Ward Wilson, a Adedeji Dunmola, b David Sego a a Department of Civil and Environmental Engineering, University of Alberta, 3-017, Markin/CNRL Natural Resources Engineering Facility, Edmonton, AB T6G 2W2, Canada.

  • impact of flocculation-based dewatering on the shear

    Impact of flocculation-based dewatering on the shear

    Based on the reported data, the chemically amended fine tailings deposits have the characteristics of sensitive, metastable deposits, necessitating additional mitigative measures by oil sands operators beyond the regulatory requirements. This paper explores the geotechnical aspects of meeting regulatory strength performance criteria by employing flocculation-based dewatering of fluid fine

  • co-mixing: simple technology tackles tailings syncrude

    Co-Mixing: Simple Technology Tackles Tailings Syncrude

    2016-07-18· Syncrude has a suite of options to deal with fluid fine tailings the layer of water, clay and fine solids that results from the bitumen extraction process. Composite tailings (dewatering), centrifuge and water capping are methods used to draw out the solids and free up water for evaporation or to recycle for extraction.

  • tailings management syncrude

    Tailings Management Syncrude

    At Syncrude, tailings are a byproduct of our process to extract bitumen from oil sand. Tailings are composed of a mixture of water, sand, clay, fine solids, residual hydrocarbon and salts all of which are naturally found in oil sands deposits.

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