Activated carbon prepared from Canadian oil sands coke by Co 2  activation: II. Adsorption of metallic ions and organic constituents from oil sands tailings water | Zendy

Karimi Arash | Zendy; Thi Olivier | Zendy; Fournier Joseph | Zendy; Hill Josephine M. | Zendy

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Activated carbon prepared from Canadian oil sands coke by Co 2 activation: II. Adsorption of metallic ions and organic constituents from oil sands tailings water

Author(s) -

Karimi Arash,

Thi Olivier,

Fournier Joseph,

Hill Josephine M.

Publication year - 2013

Publication title -

the canadian journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 67

eISSN - 1939-019X

pISSN - 0008-4034

DOI - 10.1002/cjce.21769

Subject(s) - oil sands , adsorption , activated carbon , tailings , petroleum coke , coke , chemistry , molybdate , activated alumina , metal ions in aqueous solution , metal , chemical engineering , inorganic chemistry , materials science , organic chemistry , asphalt , composite material , engineering

Oil sands coke was activated with CO 2 at 900°C in a tubular fixed bed reactor. Samples activated in a CO 2 stream with 50% air contained a significant number of functional groups. Some activated samples were post‐oxidised in air at 350°C to increase their surface functionality. Post‐oxidation was necessary for the adsorption of ferric cations by the coke samples activated, except for the sample activated with 50% air. However, non‐oxidised samples were also able to adsorb molybdate anions. Both organic and inorganic constituents of oil sands tailings water were successfully removed, but some inorganic species leached into water.

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