Combined carbon and nitrogen removal from acetonitrile using algal-bacterial bioreactors
(2005) In Applied Microbiology and Biotechnology 67(5). p.699-707- Abstract
- When compared with Chlorella vulgaris, Scenedesmus obliquus and Selenastrum capricornutum, C. sorokiniana presented the highest tolerance to acetonitrile and the highest O-2 production capacity. It also supported the fastest acetonitrile biodegradation when mixed with a suitable acetonitrile-degrading bacterial consortium. Consequently, this microalga was tested in symbiosis with the bacterial culture for the continuous biodegradation of acetonitrile at 2 g l(-1) in a stirred tank photobioreactor and in a column photobioreactor under continuous illumination (250 mu E m(-2) s(-1)). Acetonitrile removal rates of up to 2.3 g l(-1) day(-1) and 1.9 g l(-1) day(-1) were achieved in the column photobioreactor and the stirred-tank photobioreactor,... (More)
- When compared with Chlorella vulgaris, Scenedesmus obliquus and Selenastrum capricornutum, C. sorokiniana presented the highest tolerance to acetonitrile and the highest O-2 production capacity. It also supported the fastest acetonitrile biodegradation when mixed with a suitable acetonitrile-degrading bacterial consortium. Consequently, this microalga was tested in symbiosis with the bacterial culture for the continuous biodegradation of acetonitrile at 2 g l(-1) in a stirred tank photobioreactor and in a column photobioreactor under continuous illumination (250 mu E m(-2) s(-1)). Acetonitrile removal rates of up to 2.3 g l(-1) day(-1) and 1.9 g l(-1) day(-1) were achieved in the column photobioreactor and the stirred-tank photobioreactor, respectively, when operated at the shortest retention times tested (0.4 days, 0.6 days, respectively). In addition, when the stirred-tank photobioreactor was operated with a retention time of 3.5 days, the microbial culture was capable of assimilating up to 71% and nitrifying up to 12% of the NH4+ theoretically released through the biodegradation of acetonitrile, thus reducing the need for subsequent nitrogen removal. This study suggests that complete removal of N-organics can be combined with a significant removal of nitrogen by using algal - bacterial systems and that further residual biomass digestion could pay-back part of the operation costs of the treatment plant. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/155147
- author
- Munoz, Raul LU ; Jacinto, Marco ; Guieysse, Benoit LU and Mattiasson, Bo LU
- organization
- publishing date
- 2005
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Applied Microbiology and Biotechnology
- volume
- 67
- issue
- 5
- pages
- 699 - 707
- publisher
- Springer
- external identifiers
-
- wos:000229722400016
- pmid:15666149
- scopus:21244467549
- ISSN
- 1432-0614
- DOI
- 10.1007/s00253-004-1811-3
- language
- English
- LU publication?
- yes
- id
- 74a76d67-2331-4e9c-ad98-8732376ecfe8 (old id 155147)
- date added to LUP
- 2016-04-01 16:50:09
- date last changed
- 2022-04-23 00:49:41
@article{74a76d67-2331-4e9c-ad98-8732376ecfe8, abstract = {{When compared with Chlorella vulgaris, Scenedesmus obliquus and Selenastrum capricornutum, C. sorokiniana presented the highest tolerance to acetonitrile and the highest O-2 production capacity. It also supported the fastest acetonitrile biodegradation when mixed with a suitable acetonitrile-degrading bacterial consortium. Consequently, this microalga was tested in symbiosis with the bacterial culture for the continuous biodegradation of acetonitrile at 2 g l(-1) in a stirred tank photobioreactor and in a column photobioreactor under continuous illumination (250 mu E m(-2) s(-1)). Acetonitrile removal rates of up to 2.3 g l(-1) day(-1) and 1.9 g l(-1) day(-1) were achieved in the column photobioreactor and the stirred-tank photobioreactor, respectively, when operated at the shortest retention times tested (0.4 days, 0.6 days, respectively). In addition, when the stirred-tank photobioreactor was operated with a retention time of 3.5 days, the microbial culture was capable of assimilating up to 71% and nitrifying up to 12% of the NH4+ theoretically released through the biodegradation of acetonitrile, thus reducing the need for subsequent nitrogen removal. This study suggests that complete removal of N-organics can be combined with a significant removal of nitrogen by using algal - bacterial systems and that further residual biomass digestion could pay-back part of the operation costs of the treatment plant.}}, author = {{Munoz, Raul and Jacinto, Marco and Guieysse, Benoit and Mattiasson, Bo}}, issn = {{1432-0614}}, language = {{eng}}, number = {{5}}, pages = {{699--707}}, publisher = {{Springer}}, series = {{Applied Microbiology and Biotechnology}}, title = {{Combined carbon and nitrogen removal from acetonitrile using algal-bacterial bioreactors}}, url = {{http://dx.doi.org/10.1007/s00253-004-1811-3}}, doi = {{10.1007/s00253-004-1811-3}}, volume = {{67}}, year = {{2005}}, }