Journal of the Japan Institute of Energy
Online ISSN : 1882-6121
Print ISSN : 0916-8753
ISSN-L : 0916-8753
Effects of Introducing a District Cooling and Heating System Using Waste Heat frorr the Power Generated by Garbage Incineration on Emission Reduction Costs
Norio ARASHIAtsushi INABAMasayuki SAGISAKA
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2000 Volume 79 Issue 12 Pages 1182-1190

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Abstract

This study was conducted to clarify the capabilities of introducing a district cooling and heating system using the waste heat from the power generated by garbage incineration into the urban energy system.
This system was compared with an independent air conditioning system and a dis-trict cooling and heating system using city gas.
The results show the use of garbage generated waste heat to be highest in equipment costs and lowest in energy consumption among the three above-mentioned systems. The total costs of equipment plus energy vary with the volume of heat demand and the distances from the heat source to the demand sites.
Consequently in the district cooling and heating system, the substitution of waste heat from the power generated by garbage incineration for city gas can reduce CO2 emissions at the cost of 15, 000yen/ton-CO2. This is dependent upon the distances between heat source and heat demand site being from 2-8km, with daily heat demands being 500-5, 000GJ/d for the respective distances from heat sources.

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