Solid Sorption Refrigeration With Calcium Chloride Methanolates on Technical Scale

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearch

Standard

Solid Sorption Refrigeration With Calcium Chloride Methanolates on Technical Scale. / Neumann, Karsten; Wiegand, Marlies; Opel, Oliver et al.
Proceedings of the 14th International Renewable Energy Storage Conference 2020 (IRES 2020). ed. / Ingo Stadler; Peter Droege; Christoph Trimborn. Atlantis Press, 2021. p. 142-149 (Atlantis Highlights in Engineering; Vol. 6).

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearch

Harvard

Neumann, K, Wiegand, M, Opel, O & Korhammer, K 2021, Solid Sorption Refrigeration With Calcium Chloride Methanolates on Technical Scale. in I Stadler, P Droege & C Trimborn (eds), Proceedings of the 14th International Renewable Energy Storage Conference 2020 (IRES 2020). Atlantis Highlights in Engineering, vol. 6, Atlantis Press, pp. 142-149. https://doi.org/10.2991/ahe.k.210202.022

APA

Neumann, K., Wiegand, M., Opel, O., & Korhammer, K. (2021). Solid Sorption Refrigeration With Calcium Chloride Methanolates on Technical Scale. In I. Stadler, P. Droege, & C. Trimborn (Eds.), Proceedings of the 14th International Renewable Energy Storage Conference 2020 (IRES 2020) (pp. 142-149). (Atlantis Highlights in Engineering; Vol. 6). Atlantis Press. https://doi.org/10.2991/ahe.k.210202.022

Vancouver

Neumann K, Wiegand M, Opel O, Korhammer K. Solid Sorption Refrigeration With Calcium Chloride Methanolates on Technical Scale. In Stadler I, Droege P, Trimborn C, editors, Proceedings of the 14th International Renewable Energy Storage Conference 2020 (IRES 2020). Atlantis Press. 2021. p. 142-149. (Atlantis Highlights in Engineering). doi: 10.2991/ahe.k.210202.022

Bibtex

@inbook{680b508ee3554604abec62632c2b31f8,
title = "Solid Sorption Refrigeration With Calcium Chloride Methanolates on Technical Scale",
abstract = "Thermochemical solid/gas sorption systems are known for their environmental benefits. They can use low-grade temperature sources for supplying cold storage and cooling of buildings. The thermochemical working pair calcium chloride/ methanol is well suited for sorption refrigeration and storage due to low costs, high energy density and good cyclability. The energy storage capacity results from the reversible sorption of methanol by the salt. Heating up the salt (desorption) stores thermal energy. Refrigeration results from the endothermic methanol evaporation which is induced by the salt reabsorbing the methanol and thus lowering the methanol vapor pressure. This study presents results from a 2 kW technical scale demonstrator of a closed thermochemical process with calcium chloride/ methanol. The demonstrator consists of two alternatingly working sorption reactors to enable continuous operation. The operation was done under atmospheric pressure using fans for the mass transport of methanol. Overall functionality is demonstrated by supplying up to 5 kWh of stored cooling energy from a reactor containing 9.7 kg dried calcium chloride. Optimization potentials are identified in desorption temperatures of around 90°C and/or condenser temperatures around 15°C, reduction of pressure and the use of mechanical compression.",
keywords = "Energy research, Chemistry, Chemisorption refrigeration, calcium chloride, methanol, technical scale, thermochemical storage",
author = "Karsten Neumann and Marlies Wiegand and Oliver Opel and Kathrin Korhammer",
year = "2021",
month = feb,
day = "4",
doi = "10.2991/ahe.k.210202.022",
language = "English",
isbn = "978-94-6239-327-1",
series = "Atlantis Highlights in Engineering",
publisher = "Atlantis Press",
pages = "142--149",
editor = "Ingo Stadler and Peter Droege and Christoph Trimborn",
booktitle = "Proceedings of the 14th International Renewable Energy Storage Conference 2020 (IRES 2020)",
address = "Netherlands",

}

RIS

TY - CHAP

T1 - Solid Sorption Refrigeration With Calcium Chloride Methanolates on Technical Scale

AU - Neumann, Karsten

AU - Wiegand, Marlies

AU - Opel, Oliver

AU - Korhammer, Kathrin

PY - 2021/2/4

Y1 - 2021/2/4

N2 - Thermochemical solid/gas sorption systems are known for their environmental benefits. They can use low-grade temperature sources for supplying cold storage and cooling of buildings. The thermochemical working pair calcium chloride/ methanol is well suited for sorption refrigeration and storage due to low costs, high energy density and good cyclability. The energy storage capacity results from the reversible sorption of methanol by the salt. Heating up the salt (desorption) stores thermal energy. Refrigeration results from the endothermic methanol evaporation which is induced by the salt reabsorbing the methanol and thus lowering the methanol vapor pressure. This study presents results from a 2 kW technical scale demonstrator of a closed thermochemical process with calcium chloride/ methanol. The demonstrator consists of two alternatingly working sorption reactors to enable continuous operation. The operation was done under atmospheric pressure using fans for the mass transport of methanol. Overall functionality is demonstrated by supplying up to 5 kWh of stored cooling energy from a reactor containing 9.7 kg dried calcium chloride. Optimization potentials are identified in desorption temperatures of around 90°C and/or condenser temperatures around 15°C, reduction of pressure and the use of mechanical compression.

AB - Thermochemical solid/gas sorption systems are known for their environmental benefits. They can use low-grade temperature sources for supplying cold storage and cooling of buildings. The thermochemical working pair calcium chloride/ methanol is well suited for sorption refrigeration and storage due to low costs, high energy density and good cyclability. The energy storage capacity results from the reversible sorption of methanol by the salt. Heating up the salt (desorption) stores thermal energy. Refrigeration results from the endothermic methanol evaporation which is induced by the salt reabsorbing the methanol and thus lowering the methanol vapor pressure. This study presents results from a 2 kW technical scale demonstrator of a closed thermochemical process with calcium chloride/ methanol. The demonstrator consists of two alternatingly working sorption reactors to enable continuous operation. The operation was done under atmospheric pressure using fans for the mass transport of methanol. Overall functionality is demonstrated by supplying up to 5 kWh of stored cooling energy from a reactor containing 9.7 kg dried calcium chloride. Optimization potentials are identified in desorption temperatures of around 90°C and/or condenser temperatures around 15°C, reduction of pressure and the use of mechanical compression.

KW - Energy research

KW - Chemistry

KW - Chemisorption refrigeration

KW - calcium chloride

KW - methanol

KW - technical scale

KW - thermochemical storage

U2 - 10.2991/ahe.k.210202.022

DO - 10.2991/ahe.k.210202.022

M3 - Article in conference proceedings

SN - 978-94-6239-327-1

T3 - Atlantis Highlights in Engineering

SP - 142

EP - 149

BT - Proceedings of the 14th International Renewable Energy Storage Conference 2020 (IRES 2020)

A2 - Stadler, Ingo

A2 - Droege, Peter

A2 - Trimborn, Christoph

PB - Atlantis Press

ER -

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