Synergistic relationships in algal–bacterial microcosms for the treatment of aromatic pollutants

Borde, Xavier; Guieysse, Benoı̂t; Delgado, Osvaldo Daniel; Muñoz, Raúl; Hatti‐Kaul, Rajni; Nugier‐Chauvin, Caroline; Patin, Henri; Mattìasson, Bo

doi:10.1016/s0960-8524(02)00074-3

Cited by 173 publications

(86 citation statements)

References 19 publications

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“…For the degradation of crude oil (C10-C40) in algalbacterial suspended growth batch systems, some researchers have reported degradation at a low N:P ratio of 0.98:1 (mole basis) [11,13,16], whereas, other researchers have reported degradation at a relatively higher N:P ratio of 23.9:1 (mole basis) [17]. For the degradation of aromatic pollutants in algalbacterial suspended growth batch studies, N:P ratio of 1.01:1 (mole basis) was utilized [10]. When treatment of 1% crude oil was studied by immobilizing oil degrading bacterial cultures and cyanobacterial cultures on glass plates and gravel particles [15], a ratio of 4.04:1 was found to result in high degradation of crude oil.…”

Section: Reactor Performancementioning

confidence: 99%

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Treatment of hydrocarbon-rich wastewater using oil degrading bacteria and phototrophic microorganisms in rotating biological contactor: Effect of N:P ratio

Chavan

Mukherji

2008

Journal of Hazardous Materials

124

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Section: Reactor Performancementioning

confidence: 99%

“…Some researchers have reported the degradation of low concentration of hydrocarbons using bacterial cultures [2,6] and algal cultures in bioreactors [7]. Compared to bacterial systems, bioreactors utilizing a symbiotic association between algae and bacteria have been reported to yield higher treatment efficiency [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Treatment of hydrocarbon-rich wastewater using oil degrading bacteria and phototrophic microorganisms in rotating biological contactor: Effect of N:P ratio

Chavan

Mukherji

2008

Journal of Hazardous Materials

124

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“…Microalgal-bacterial systems were originally applied for the treatment of domestic wastewater in high-rate algae ponds (HRAPs) (Mara and Pearson, 1986;Oswald, 1988), and their application has been further extended to the biodegradation of toxic industrial pollutants (Borde et al, 2003;Muñoz and Guieysse, 2006). The implementation of a microalgal-bacterial consortium for the biodegradation of organic matter is based on the production of oxygen by microalgal photosynthesis.…”

Section: Introductionmentioning

confidence: 99%

Assessing the influence of the carbon oxidation-reduction state on organic pollutant biodegradation in algal–bacterial photobioreactors

Bahr

Stams

Rosa

et al. 2011

Appl Microbiol Biotechnol

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The influence of the carbon oxidation-reduction state (CORS) of organic pollutants on their biodegradation in enclosed algal-bacterial photobioreactors was evaluated using a consortium of enriched wild-type methanotrophic bacteria and microalgae. Methane, methanol and glucose (with CORS −4, −2 and 0, respectively) were chosen as model organic pollutants. In the absence of external oxygen supply, microalgal photosynthesis was not capable of supporting a significant methane and methanol biodegradation due to their high oxygen demands per carbon unit, while glucose was fully oxidized by photosynthetic oxygenation. When bicarbonate was added, removal efficiencies of 37±4% (20 days), 65±4% (11 days) and 100% (2 days) were recorded for CH 4, CH 3 OH and C 6 H 12 O 6 , respectively due to the additional oxygen generated from photosynthetic bicarbonate assimilation. The use of NO 3 − instead of NH 4 + as nitrogen source (N oxidation-reduction state of +5 vs. −3) resulted in an increase in CH 4 degradation from 0 to 33±3% in the absence of bicarbonate and from 37±4% to 100% in the presence of bicarbonate, likely due to a decrease in the stoichiometric oxygen requirements and the higher photosynthetic oxygen production. Hypothetically, the CORS of the substrates might affect the CORS of the microalgal biomass composition (higher lipid content). However, the total lipid content of the algal-bacterial biomass was 19±7% in the absence and 16±2% in the presence of bicarbonate.

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“…Synergistic relationships with algae have even been observed for the treatment of aromatic pollutants (Borde et al, 2003).…”

Section: Removal Of Phosphatesmentioning

confidence: 99%

Safety Assessment of Transgenic Organisms, Volume 4

2010

Harmonisation of Regulatory Oversight in Biotechnology

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Synergistic relationships in algal–bacterial microcosms for the treatment of aromatic pollutants

Cited by 173 publications

References 19 publications

Treatment of hydrocarbon-rich wastewater using oil degrading bacteria and phototrophic microorganisms in rotating biological contactor: Effect of N:P ratio

Treatment of hydrocarbon-rich wastewater using oil degrading bacteria and phototrophic microorganisms in rotating biological contactor: Effect of N:P ratio

Assessing the influence of the carbon oxidation-reduction state on organic pollutant biodegradation in algal–bacterial photobioreactors

Safety Assessment of Transgenic Organisms, Volume 4

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