Utilising laboratory experiments as a first step to introduce primary sludge hydrolysis in full-scale.
(2008) In Water Science and Technology 57(9). p.1397-1403- Abstract
- Laboratory experiments have been utilised as a tool to determine the possible yield of soluble COD and VFAs from settled influent and preprecipitated sludge at Klagshamn wastewater treatment plant and to determine the degradability of the organic matter. The release of ammonium and orthophosphate from the hydrolysed sludge has been estimated. It is possible to produce soluble organic matter of good quality from settled influent and preprecipitated sludge at Klagshamn WWTP. Denitrification rates of 3.1 mg NO(3)-N/(g VSS x h) were found for the hydrolysate in laboratory tests. Owing to the low phosphate concentrations in the hydrolysate from preprecipitated sludge, it shows a potential for postdenitrification despite stringent phosphorus... (More)
- Laboratory experiments have been utilised as a tool to determine the possible yield of soluble COD and VFAs from settled influent and preprecipitated sludge at Klagshamn wastewater treatment plant and to determine the degradability of the organic matter. The release of ammonium and orthophosphate from the hydrolysed sludge has been estimated. It is possible to produce soluble organic matter of good quality from settled influent and preprecipitated sludge at Klagshamn WWTP. Denitrification rates of 3.1 mg NO(3)-N/(g VSS x h) were found for the hydrolysate in laboratory tests. Owing to the low phosphate concentrations in the hydrolysate from preprecipitated sludge, it shows a potential for postdenitrification despite stringent phosphorus outlet demands. Calculations based on data gained from the laboratory experiments show that about 50% of the external carbon source used today can be saved with minor changes in the plant operation except that the hydrolysis has to be established. Based on these findings, full-scale experiments with internal hydrolysis in the primary clarifiers were scheduled in one of the two lines at Klagshamn WWTP for the summer of 2007. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/1153859
- author
- Jönsson, Karin LU ; Pottier, A ; Dimitrova, I and Nyberg, U
- organization
- publishing date
- 2008
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Water Science and Technology
- volume
- 57
- issue
- 9
- pages
- 1397 - 1403
- publisher
- IWA Publishing
- external identifiers
-
- wos:000256153100014
- pmid:18496005
- scopus:45549091495
- pmid:18496005
- ISSN
- 0273-1223
- DOI
- 10.2166/wst.2008.227
- language
- English
- LU publication?
- yes
- id
- 629e8298-72de-4c61-bb14-bcc4ed573b90 (old id 1153859)
- date added to LUP
- 2016-04-01 14:17:20
- date last changed
- 2023-09-03 12:26:50
@article{629e8298-72de-4c61-bb14-bcc4ed573b90,
abstract = {{Laboratory experiments have been utilised as a tool to determine the possible yield of soluble COD and VFAs from settled influent and preprecipitated sludge at Klagshamn wastewater treatment plant and to determine the degradability of the organic matter. The release of ammonium and orthophosphate from the hydrolysed sludge has been estimated. It is possible to produce soluble organic matter of good quality from settled influent and preprecipitated sludge at Klagshamn WWTP. Denitrification rates of 3.1 mg NO(3)-N/(g VSS x h) were found for the hydrolysate in laboratory tests. Owing to the low phosphate concentrations in the hydrolysate from preprecipitated sludge, it shows a potential for postdenitrification despite stringent phosphorus outlet demands. Calculations based on data gained from the laboratory experiments show that about 50% of the external carbon source used today can be saved with minor changes in the plant operation except that the hydrolysis has to be established. Based on these findings, full-scale experiments with internal hydrolysis in the primary clarifiers were scheduled in one of the two lines at Klagshamn WWTP for the summer of 2007.}},
author = {{Jönsson, Karin and Pottier, A and Dimitrova, I and Nyberg, U}},
issn = {{0273-1223}},
language = {{eng}},
number = {{9}},
pages = {{1397--1403}},
publisher = {{IWA Publishing}},
series = {{Water Science and Technology}},
title = {{Utilising laboratory experiments as a first step to introduce primary sludge hydrolysis in full-scale.}},
url = {{http://dx.doi.org/10.2166/wst.2008.227}},
doi = {{10.2166/wst.2008.227}},
volume = {{57}},
year = {{2008}},
}