Recovering environmental microorganisms for ex-situ oil sands process water remediation

M.A. Demeter; J. Lemire; G. Yue; I. George; H. Ceri; R.J. Turner

Recovering environmental microorganisms for ex-situ oil sands process water remediation

In: Industrial, medical and environmental applications of microorganisms

Authors:

M.A. Demeter

M.A. Demeter ¹Biofilm Research Group, Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary AB, T2N 1N4, Canada; turnerr@ucalgary.ca
²Institute for Sustainable Energy, Environment and Economy, University of Calgary, 2500 University Drive NW, Calgary AB, T2N 1N4, Canada

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J. Lemire

J. Lemire ¹Biofilm Research Group, Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary AB, T2N 1N4, Canada; turnerr@ucalgary.ca

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G. Yue

G. Yue ¹Biofilm Research Group, Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary AB, T2N 1N4, Canada; turnerr@ucalgary.ca

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I. George

I. George ¹Biofilm Research Group, Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary AB, T2N 1N4, Canada; turnerr@ucalgary.ca

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H. Ceri

H. Ceri ¹Biofilm Research Group, Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary AB, T2N 1N4, Canada; turnerr@ucalgary.ca
²Institute for Sustainable Energy, Environment and Economy, University of Calgary, 2500 University Drive NW, Calgary AB, T2N 1N4, Canada

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, and

R.J. Turner

R.J. Turner ¹Biofilm Research Group, Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary AB, T2N 1N4, Canada; turnerr@ucalgary.ca
²Institute for Sustainable Energy, Environment and Economy, University of Calgary, 2500 University Drive NW, Calgary AB, T2N 1N4, Canada

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Type:: Chapter

Pages:: 176–181

DOI:: https://doi.org/10.3920/9789086867950_030

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Alberta oil sands process water (OSPW) contains several contaminants of environmental concern, particularly toxic naphthenic acids (NAs). Currently there is no suitable treatment process for OSPW, therefore it is collected and stored in tailings ponds. OSPW toxicity can be mitigated by aerobic microbial degradation of the NAs by indigenous microorganisms in-situ, however this is a long and slow process. Ex-situ bioremediation of OSPW presents a much more efficient method to detoxify OSPW. The microorganisms chosen, and their method of growth have consequences on the success of a bioremediation effort. Here we evaluate biofilm-mediated bioremediation of model NAs, specifically comparing multispecies to single species biofilms. The Calgary Biofilm Device (CBD) was used to grow biofilms from an OSPW inoculum. Gas chromatography reveals that multispecies biofilms are capable of degrading a broader spectrum of NAs than are single species biofilms, which may be indicative of a communal/synergistic metabolic effort.

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Industrial, medical and environmental applications of microorganisms

Current status and trends

E-Book ISBN:: 9789086867950

Publisher:: Wageningen Academic

Print Publication Date:: 01 Nov 2014

Subjects
- Life Sciences

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Recovering environmental microorganisms for ex-situ oil sands process water remediation

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Industrial, medical and environmental applications of microorganisms

Current status and trends

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