Absorption Capacity of Ammonia into Ionic Liquids for Absorption Refrigeration Applications

Research output: Contribution to journalArticle

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Abstract

In this paper ionic liquids are proposed as a novel absorbent for absorption refrigeration application with ammonia as refrigerant. The main objective of this work is to develop a measurement setup to study the absorption capacity of the ammonia vapour in ionic liquids in a pool type absorber. This investigation is essential in order to identify the most suitable ionic liquid as an absorbent for ammonia refrigerant. The ionic liquids studied in this work are combinations of two different cations ([EtOHmim]+ and [emim]+) and three different anions ([BF4]-, [NTf2]- and [EtSO4]-). The absorption processes are observed within 20 minutes in each experiment at different temperatures and pressures. The detail of the methodology and experimental setup are explained in this paper and measurement results of absorption capacity of ammonia into ionic liquid are discussed. Among all ionic liquids studied in this paper [EtOHmim]+ based ionic liquids shows higher absorption capacity than [emim]+ based ionic liquids, which means that the OH structure in the cation may improve the absorption capacity of ammonia.

Original languageEnglish
Article number032105
JournalJournal of Physics: Conference Series
Volume745
Issue number3
DOIs
Publication statusPublished - 2016 Oct 21
Externally publishedYes

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ammonia
liquids
refrigerants
absorbents
cations
absorbers
methodology
vapors
anions

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Absorption Capacity of Ammonia into Ionic Liquids for Absorption Refrigeration Applications. / Ariyadi, Hifni Mukhtar; Coronas, A.

In: Journal of Physics: Conference Series, Vol. 745, No. 3, 032105, 21.10.2016.

Research output: Contribution to journalArticle

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