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Thermal conductivity, permeability and reaction characteristic enhancement of ammonia solid sorbents: A review

Lookup NU author(s): Dr Long Jiang, Professor Tony Roskilly


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© 2018 Elsevier Ltd Composite sorbent is widely recognized as a feasible solution to the improvement of ammonia solid sorption due to large sorption capacity, high sorption/desorption rate, good thermal and mechanic stability. This paper mainly focuses on two kinds of composite sorbents for ammonia sorption i.e. activated carbon and metal halides. Various matrices are analyzed and compared when considering different developing techniques. Thermal conductivity and permeability of composite sorbents are summarized in terms of compression density, mass ratio of sorbent and testing methods. Sorption characteristics e.g. sorption capacity and reaction rate are also be taken into account, which are compared with that of parent sorbents. Based on the comparative investigation of these thermophysical properties, the paper unrolls a comprehensive picture of advantages and disadvantages of each composite sorbent for ammonia sorption, which will be quite conducive to the design of sorption systems for various applications e.g. sorption refrigeration and sorption thermal energy storage.

Publication metadata

Author(s): Jiang L, Roskilly AP

Publication type: Review

Publication status: Published

Journal: International Journal of Heat and Mass Transfer

Year: 2019

Volume: 130

Pages: 1206-1225

Print publication date: 01/03/2019

Online publication date: 14/11/2018

Acceptance date: 05/11/2018

ISSN (print): 0017-9310

ISSN (electronic): 1879-2189

Publisher: Elsevier Ltd


DOI: 10.1016/j.ijheatmasstransfer.2018.11.029