novel flocculants for the treatment of oil sand tailings

novel flocculants for the treatment of oil sand tailings

Novel flocculants for the treatment of oil sand tailings

Request PDF | Novel flocculants for the treatment of oil sand tailings | Two new inorganic-organic hybrid polymers, Al(OH) 3- polyacrylamide (Al(OH) 3-PAM) and Mg(OH) 2-polyacrylamide (Mg(OH) 2

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flocculation and dewatering of oil sands tailings with a

Flocculation and dewatering of oil sands tailings with a

Oil sands tailings are aqueous suspensions of coarse sands (particles greater than 44 µm), fine solids and clays (particles less than 44 µm), and 1 to 5 wt% residual bitumen, with pH varying from 8 to 9 . In the pond, the coarse particles settle fast, but the fine solids remain in suspension.

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a two-step flocculation process on oil sands tailings

A two-step flocculation process on oil sands tailings

Water management and treatment of mineral tailings and oil sands tailings are becoming critical challenges for the sustainable development of natural resources. Polymeric flocculants have been widely employed to facilitate the flocculation and settling of suspended fine solid particles in tailings, resulting in the separation of released water

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advanced polymer flocculants for solid-liquid separation in

Advanced Polymer Flocculants for Solid-Liquid Separation in

The generation of tailings as a by product of the bitumen extraction process is one of the largest environmental footprints of oil sands operations. Most of the tailings treatment technologies use polymer flocculants to induce solid-liquid separation.

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understanding oil sands tailings treatment at nano, micro and

Understanding Oil Sands Tailings Treatment at Nano, Micro and

The “Understanding Oil Sands Tailings Treatment at Nano, Micro and Macro-Scales with Increased Water Recycling/Reuse” project was awarded $377.2K to develop a novel, low-cost and environmentally friendly polymer flocculants that are able to efficiently and significantly increase the settling rate of the fine solid particles in tailings, and

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dewatering oil sands tailings with degradable polymer flocculants

Dewatering Oil Sands Tailings with Degradable Polymer Flocculants

We synthesized hydrolytically degradable cationic polymers by micellar radical polymerization of a short-chain polyester macromonomer, polycaprolactone choline iodide ester methacrylate (PCL2ChMA) with two polyester units, and used them to flocculate oil sands mature fine tailings (MFT). We evaluated the flocculation performance of the homopolymer and copolymers with 30 mol % acrylamide (AM

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