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Heat recovery during treatment of highly concentrated wastewater: economic evaluation and influencing factors.

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Title: Heat recovery during treatment of highly concentrated wastewater: economic evaluation and influencing factors.
Authors: Corbala-Robles, L.1, Ronsse, F.1, Pieters, J. G.2, Volcke, E. I. P.1 eveline.volcke@ugent.be
Source: Water Science & Technology. 2018, Vol. 78 Issue 11, p2270-2278. 9p.
Subjects: Wastewater treatment, Heat recovery, Heat pumps, Energy consumption, Electric power
Abstract: This paper assesses the economics of heat recovery from biological wastewater treatment plants (WWTPs) treating concentrated wastewater, as higher concentrations result in higher heat generation in the treatment basin. A heat balance model has been applied to calculate the amount of recoverable heat from the system and the effect of the heat extraction capacity on the economics of a heat pump installation, evaluated using the internal rate of return. A sensitivity analysis has been performed to evaluate the effect of several parameters on the economics of heat recovery in this type of WWTP: the electricity price, the price of the fuel substituted by heating savings, the investment costs, the coefficient of performance (COP) and the amount of heat extracted from the system. It was calculated that the heat pump capacity has to be high enough to recover a significant amount of heat, but low enough to improve the economics of the system. The economic performance of the system is very dependent on the energy prices of both electrical power to run the heat pump and the fuel (heat) cost substituted by the heat pump. [ABSTRACT FROM AUTHOR]
Copyright of Water Science & Technology is the property of IWA Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 134395611
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Heat recovery during treatment of highly concentrated wastewater: economic evaluation and influencing factors.
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  Data: <searchLink fieldCode="AR" term="%22Corbala-Robles%2C+L%2E%22">Corbala-Robles, L.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ronsse%2C+F%2E%22">Ronsse, F.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pieters%2C+J%2E+G%2E%22">Pieters, J. G.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Volcke%2C+E%2E+I%2E+P%2E%22">Volcke, E. I. P.</searchLink><relatesTo>1</relatesTo><i> eveline.volcke@ugent.be</i>
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  Data: <searchLink fieldCode="JN" term="%22Water+Science+%26+Technology%22">Water Science & Technology</searchLink>. 2018, Vol. 78 Issue 11, p2270-2278. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Wastewater+treatment%22">Wastewater treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+recovery%22">Heat recovery</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+pumps%22">Heat pumps</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+power%22">Electric power</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper assesses the economics of heat recovery from biological wastewater treatment plants (WWTPs) treating concentrated wastewater, as higher concentrations result in higher heat generation in the treatment basin. A heat balance model has been applied to calculate the amount of recoverable heat from the system and the effect of the heat extraction capacity on the economics of a heat pump installation, evaluated using the internal rate of return. A sensitivity analysis has been performed to evaluate the effect of several parameters on the economics of heat recovery in this type of WWTP: the electricity price, the price of the fuel substituted by heating savings, the investment costs, the coefficient of performance (COP) and the amount of heat extracted from the system. It was calculated that the heat pump capacity has to be high enough to recover a significant amount of heat, but low enough to improve the economics of the system. The economic performance of the system is very dependent on the energy prices of both electrical power to run the heat pump and the fuel (heat) cost substituted by the heat pump. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Water Science & Technology is the property of IWA Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.2166/wst.2018.507
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 9
        StartPage: 2270
    Subjects:
      – SubjectFull: Wastewater treatment
        Type: general
      – SubjectFull: Heat recovery
        Type: general
      – SubjectFull: Heat pumps
        Type: general
      – SubjectFull: Energy consumption
        Type: general
      – SubjectFull: Electric power
        Type: general
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      – TitleFull: Heat recovery during treatment of highly concentrated wastewater: economic evaluation and influencing factors.
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            NameFull: Pieters, J. G.
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            NameFull: Volcke, E. I. P.
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              Text: 2018
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              Y: 2018
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