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Microbial degradation of acetonitrile using a suspended-carrier biofilm process

Håkansson, Kristina LU and Mattiasson, Bo LU (2002) In Biotechnology Letters 24(4). p.287-291
Abstract
A microbial process for the destruction of acetonitrile has been developed. Suitable microorganisms were enriched from activated sludge by cultivation with a high selection pressure when acetonitrile was the sole source of carbon and nitrogen. The process is based on cultivating the microorganisms as a biofilm on plastic carriers. These are utilised in a stirred-tank reactor with continuous feeding of 40-150 mM acetonitrile and an outlet for spent medium. The observed efficiency in the conversion process was from 53-100%, depending on the organic load. To improve the capacity and reliability of the process, a two-step process was developed with two stirred-tank reactors coupled in series. With such an arrangement, conversion efficiencies... (More)
A microbial process for the destruction of acetonitrile has been developed. Suitable microorganisms were enriched from activated sludge by cultivation with a high selection pressure when acetonitrile was the sole source of carbon and nitrogen. The process is based on cultivating the microorganisms as a biofilm on plastic carriers. These are utilised in a stirred-tank reactor with continuous feeding of 40-150 mM acetonitrile and an outlet for spent medium. The observed efficiency in the conversion process was from 53-100%, depending on the organic load. To improve the capacity and reliability of the process, a two-step process was developed with two stirred-tank reactors coupled in series. With such an arrangement, conversion efficiencies from 92-100% were achieved when the organic load was 2 g acetonitrile l(-1) d(-1) in the first reactor. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
microbial process, destruction, biofilm, acetonitrile, activated sludge
in
Biotechnology Letters
volume
24
issue
4
pages
287 - 291
publisher
Springer
external identifiers
  • wos:000173702500008
  • scopus:0036177696
ISSN
1573-6776
DOI
10.1023/A:1014001823573
language
English
LU publication?
yes
id
af78cbf8-130a-4280-a473-ac304a05bb04 (old id 343996)
date added to LUP
2007-08-23 09:12:58
date last changed
2017-01-01 07:00:13
@article{af78cbf8-130a-4280-a473-ac304a05bb04,
  abstract     = {A microbial process for the destruction of acetonitrile has been developed. Suitable microorganisms were enriched from activated sludge by cultivation with a high selection pressure when acetonitrile was the sole source of carbon and nitrogen. The process is based on cultivating the microorganisms as a biofilm on plastic carriers. These are utilised in a stirred-tank reactor with continuous feeding of 40-150 mM acetonitrile and an outlet for spent medium. The observed efficiency in the conversion process was from 53-100%, depending on the organic load. To improve the capacity and reliability of the process, a two-step process was developed with two stirred-tank reactors coupled in series. With such an arrangement, conversion efficiencies from 92-100% were achieved when the organic load was 2 g acetonitrile l(-1) d(-1) in the first reactor.},
  author       = {Håkansson, Kristina and Mattiasson, Bo},
  issn         = {1573-6776},
  keyword      = {microbial process,destruction,biofilm,acetonitrile,activated sludge},
  language     = {eng},
  number       = {4},
  pages        = {287--291},
  publisher    = {Springer},
  series       = {Biotechnology Letters},
  title        = {Microbial degradation of acetonitrile using a suspended-carrier biofilm process},
  url          = {http://dx.doi.org/10.1023/A:1014001823573},
  volume       = {24},
  year         = {2002},
}