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Modelling heat recovery potential from household wastewater

Wärff, C. LU ; Arnell, M. LU ; Sehlén, R. and Jeppsson, U. LU (2020) In Water Science and Technology 81(8). p.1597-1605
Abstract

There is a strongly growing interest for wastewater heat recovery (WWHR) in Sweden and elsewhere, but a lack of adequate tools to determine downstream impacts due to the associated temperature drop. The heat recovery potential and associated temperature drop after heat recovery on a building level is modelled for a case study in Linköping, Sweden. The maximum temperature drop reaches 4.2 °C, with an annual recovered heat of 0.65 kWh · person-1 · day-1. Wastewater temperature out from the heat exchanger was 18.0 °C in winter at the lowest. The drinking water source type can be an important factor when considering wastewater heat recovery.

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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Energy use, Heat demand, Heat exchanger, Heat recovery, Wastewater
in
Water Science and Technology
volume
81
issue
8
pages
9 pages
publisher
IWA Publishing
external identifiers
  • pmid:32644953
  • scopus:85087050589
ISSN
0273-1223
DOI
10.2166/wst.2020.103
language
English
LU publication?
yes
id
05df04c4-14e4-4404-be94-ab039855e9a0
date added to LUP
2021-01-05 10:04:36
date last changed
2021-03-03 04:44:25
@article{05df04c4-14e4-4404-be94-ab039855e9a0,
  abstract     = {<p>There is a strongly growing interest for wastewater heat recovery (WWHR) in Sweden and elsewhere, but a lack of adequate tools to determine downstream impacts due to the associated temperature drop. The heat recovery potential and associated temperature drop after heat recovery on a building level is modelled for a case study in Linköping, Sweden. The maximum temperature drop reaches 4.2 °C, with an annual recovered heat of 0.65 kWh · person<sup>-1</sup> · day<sup>-1</sup>. Wastewater temperature out from the heat exchanger was 18.0 °C in winter at the lowest. The drinking water source type can be an important factor when considering wastewater heat recovery.</p>},
  author       = {Wärff, C. and Arnell, M. and Sehlén, R. and Jeppsson, U.},
  issn         = {0273-1223},
  language     = {eng},
  number       = {8},
  pages        = {1597--1605},
  publisher    = {IWA Publishing},
  series       = {Water Science and Technology},
  title        = {Modelling heat recovery potential from household wastewater},
  url          = {http://dx.doi.org/10.2166/wst.2020.103},
  doi          = {10.2166/wst.2020.103},
  volume       = {81},
  year         = {2020},
}