Preventing industrial scale using bauxite refinery residues

Couperthwaite, Sara J., Bertholini, Marita Guarino, Johnson, Dean, & Millar, Graeme J. (2014) Preventing industrial scale using bauxite refinery residues. In Ozwater '14 : Australia’s National Water Conference and Exhibition, 29 April-01 May 2014, Brisbane Convention and Exhibition Centre, Brisbane, Qld.


An Australian green power (AGP) company produces energy from burning biomass from the sugar industry and recycled wood waste, however alkali in biomass is released into a recirculating stream that forms a scale as it becomes more concentrated. This investigation has shown that the addition of Bayer liquor (alumina waste residue) successfully removes scale-forming species from the recirculating stream and thus has the potential to reduce the rate of scaling. Characterisation of the scale and Bayer precipitates has been performed using X-ray diffraction (XRD), infrared spectroscopy (IR) and inductively coupled plasma optical emission spectroscopy (ICP-OES).

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135 since deposited on 27 May 2014
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ID Code: 72152
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: Scale mitigation, Bayer liquor, Green power
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > INORGANIC CHEMISTRY (030200)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 [please consult the author]
Deposited On: 27 May 2014 23:01
Last Modified: 25 Jul 2014 18:46

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