Life Cycle Assessment of District Heating And Cooling system using waste heat in sewage

This paper deals with the life-cycle-assessment of district heating and cooling system whereby heat-pump is used to recover the thermal energy of sewage water.The amount of CO2 involved in the construction is much less than that involved in operation.It is the largest for water source heat pumping s...

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Bibliographic Details
Published inENVIRONMENTAL SYSTEMS RESEARCH Vol. 23; pp. 241 - 247
Main Authors Hanaki, Keisuke, Ito, Takemi, Matsuo, Tomonori, Ito, Machiko
Format Journal Article
LanguageEnglish
Published Japan Society of Civil Engineers 1995
Subjects
District Heating and Cooling
heat pump
Life-Cycle-assessment
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ISSN0915-0390
1884-8117
DOI10.2208/proer1988.23.241

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Summary:This paper deals with the life-cycle-assessment of district heating and cooling system whereby heat-pump is used to recover the thermal energy of sewage water.The amount of CO2 involved in the construction is much less than that involved in operation.It is the largest for water source heat pumping system, followed by the air source one and the “standard” DHC (with boilers and refrigerating machines). As for the CO2 during the operation period, merit is recognized more clearly for heat pumping systems than the standard system. The longer the operation period, and the higher the heat requirement, the less the overall LCCO2.
ISSN:0915-0390
1884-8117
DOI:10.2208/proer1988.23.241