Advanced

Denitrification at low temperatures using a suspended carrier biofilm process

Welander, Ulrika LU and Mattiasson, Bo LU (2003) In Water Research 37(10). p.2394-2398
Abstract
The denitrification process was studied in a stirred lab-scale suspended carrier biofilm reactor at low temperatures (3–20°C). The reactor was filled to 50% with Kaldnes K1 carriers. The denitrification rate showed only a rather weak dependence on the temperature, the rate at 3°C being approximately 55% of that at 15°C. The maximum denitrification rate obtained at 15°C was 2.7 g NOx−-N m−2 carrier d−1. The maximum denitrification rate at 3°C during an 8-day period was found to be constant. During the 8 days, the hydraulic retention time was approximately 1.5 h and the inlet NO3−-N concentration was 30 mg l−1.
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Psychrotrophic microorganisms, Suspended carrier, Biofilm, Temperature, Denitrification
in
Water Research
volume
37
issue
10
pages
2394 - 2398
publisher
Elsevier
external identifiers
  • wos:000182940100017
  • pmid:12727250
  • scopus:0037404706
ISSN
1879-2448
DOI
10.1016/S0043-1354(03)00019-8
language
English
LU publication?
yes
id
f0034c9b-13f0-4fc4-a518-5a199c545231 (old id 129291)
date added to LUP
2007-07-03 09:39:52
date last changed
2018-10-03 10:24:30
@article{f0034c9b-13f0-4fc4-a518-5a199c545231,
  abstract     = {The denitrification process was studied in a stirred lab-scale suspended carrier biofilm reactor at low temperatures (3–20°C). The reactor was filled to 50% with Kaldnes K1 carriers. The denitrification rate showed only a rather weak dependence on the temperature, the rate at 3°C being approximately 55% of that at 15°C. The maximum denitrification rate obtained at 15°C was 2.7 g NOx−-N m−2 carrier d−1. The maximum denitrification rate at 3°C during an 8-day period was found to be constant. During the 8 days, the hydraulic retention time was approximately 1.5 h and the inlet NO3−-N concentration was 30 mg l−1.},
  author       = {Welander, Ulrika and Mattiasson, Bo},
  issn         = {1879-2448},
  keyword      = {Psychrotrophic microorganisms,Suspended carrier,Biofilm,Temperature,Denitrification},
  language     = {eng},
  number       = {10},
  pages        = {2394--2398},
  publisher    = {Elsevier},
  series       = {Water Research},
  title        = {Denitrification at low temperatures using a suspended carrier biofilm process},
  url          = {http://dx.doi.org/10.1016/S0043-1354(03)00019-8},
  volume       = {37},
  year         = {2003},
}