scholarly journals Cationic Hydrolytically Degradable Flocculants with Enhanced Water Recovery for Oil Sands Tailings Remediation

2016 ◽  
Vol 301 (10) ◽  
pp. 1248-1254 ◽  
Author(s):  
Thomas R. Rooney ◽  
Sarang P. Gumfekar ◽  
João B. P. Soares ◽  
Robin A. Hutchinson
Keyword(s):  
Oil Sands ◽  
Water Recovery ◽  
Tailings Remediation ◽  
Oil Sands Tailings

Evaluation of the flocculation and dewatering performance of dual polymers for treating oil sands tailings

2021 ◽  
Author(s):  
Xiaoxiao Li ◽  
Yang Shen ◽  
Raymond S. Farinato ◽  
Ponisseril Somasundaran ◽  
Yuejun Zhang
Keyword(s):  
Oil Sands ◽  
Oil Sands Tailings

scholarly journals Assessing Risks of Shallow Riparian Groundwater Quality Near an Oil Sands Tailings Pond

Ground Water ◽  
2016 ◽  
Vol 54 (4) ◽  
pp. 545-558 ◽  
Author(s):  
J.W. Roy ◽  
G. Bickerton ◽  
R.A. Frank ◽  
L. Grapentine ◽  
L.M. Hewitt
Keyword(s):  
Groundwater Quality ◽  
Oil Sands ◽  
Tailings Pond ◽  
Oil Sands Tailings

Enhanced dewatering of oil sands tailings by a novel water-soluble cationic polymer

2021 ◽  
Vol 260 ◽  
pp. 118183
Author(s):  
Vahid Vajihinejad ◽  
Sarang P. Gumfekar ◽  
Daniel V. Dixon ◽  
Marco Antônio Silva ◽  
João B.P. Soares
Keyword(s):  
Oil Sands ◽  
Cationic Polymer ◽  
Water Soluble ◽  
Oil Sands Tailings

Addition of Tubifex accelerates dewatering of oil sands tailings

2016 ◽  
Vol 43 (12) ◽  
pp. 1025-1033 ◽  
Author(s):  
Xiaojuan Yang ◽  
Miguel de Lucas Pardo ◽  
Maria Ibanez ◽  
Lijun Deng ◽  
Luca Sittoni ◽  
...  
Keyword(s):  
Oil Sands ◽  
Land Reclamation ◽  
Test Results ◽  
Anionic Polymer ◽  
Fine Tailings ◽  
Fluid Fine Tailings ◽  
Oil Sands Tailings ◽  
Set Up ◽  
Solids Content

Accelerating dewatering of fluid fine tailings (FFT) to facilitate land reclamation is a major challenge to the oil sands industry in Canada. A new method was tested, addition of Tubifex to FFT. Tubifex is an indigenous earthworm in Canada. The survival rate tests showed that Tubifex can survive in oil sands tailings and penetrate to 42 cm depth (maximum depth tested). Columns (5 L of FFT) were set-up with tailings alone, Tubifex treated tailings and polymer-Tubifex treated tailings. Test results showed that (a) the final mud–water interface of tailings alone was 26% higher than that of Tubifex treated tailings; (b) solids content of Tubifex treated tailings was 21% more than that of tailings alone; (c) Tubifex was capable to accelerate the dewatering process of both cationic and anionic polymer treated tailings; (d) anionic polymer was superior in facilitating long-term dewatering and its coupled effects with Tubifex were better than the cationic polymer.

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