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Main Title: Use Cases with Economics and Simulation for Thermo-Chemical District Networks
Author(s): Geyer, Philipp
Delwati, Muhannad
Buchholz, Martin
Giampieri, Alessandro
Smallbone, Andrew
Roskilly, Anthony P.
Buchholz, Reiner
Provost, Mathieu
Type: Article
Language Code: en
Abstract: Thermo-chemical networks using absorption and desorption to capture and valorise the potential of very low-grade residual heat (20 °C to 60 °C) to offer a reduction of end user costs and increased primary energy efficiency. The paper demonstrates the technical and economic potential of thermo-chemical networks by defining use cases and their related level of energy efficiency and technological feasibility. Furthermore, specific economic scenarios, including estimations on investment and operation costs, demonstrate the economic benefit of the technology. Simple payback periods between about 0.5 and 7.5 years indicate a good economic feasibility with end user costs below 4 €ct/kWh-equivalent and refunds of 0.5 to 1 €ct/kWh for the required residual heat. Due to the low-temperature characteristics of the relevant systems and services, detailed simulations are required to approve the functioning and viability of the new technology. For this purpose, the paper demonstrates the simulation outline using the example of space heating based on a low-temperature air heating system partially driven with thermo-chemical fuel.
Issue Date: 26-Feb-2018
Date Available: 28-Aug-2019
DDC Class: 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Subject(s): thermo-chemical district energy networks
absorption processes
space heating and cooling
industrial drying
Sponsor/Funder: EC/H2020/695780/EU/Intelligent Hybrid Thermo-Chemical District Networks/H-DisNet
Journal Title: Sustainability
Publisher: MDPI
Publisher Place: Basel
Volume: 10
Issue: 3
Article Number: 599
Publisher DOI: 10.3390/su10030599
EISSN: 2071-1050
Appears in Collections:FG Maschinen- und Energieanlagentechnik » Publications

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