Preparation and characterization of the hydrogen storage activated carbon from coffee shell by microwave irradiation and KOH activation

Li, Guizhen, Li, Jiaxiong, Tan, Wei, Jin, Hai, Yang, Huaixian, Peng, Jinhui, Barrow, Colin J., Yang, Min, Wang, Hongbin and Yang, Wenrong 2016, Preparation and characterization of the hydrogen storage activated carbon from coffee shell by microwave irradiation and KOH activation, International biodeterioration and biodegradation, vol. 113, pp. 386-390, doi: 10.1016/j.ibiod.2016.05.003.

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Title Preparation and characterization of the hydrogen storage activated carbon from coffee shell by microwave irradiation and KOH activation
Author(s) Li, Guizhen
Li, Jiaxiong
Tan, Wei
Jin, Hai
Yang, Huaixian
Peng, Jinhui
Barrow, Colin J.ORCID iD for Barrow, Colin J. orcid.org/0000-0002-2153-7267
Yang, Min
Wang, Hongbin
Yang, WenrongORCID iD for Yang, Wenrong orcid.org/0000-0001-8815-1951
Journal name International biodeterioration and biodegradation
Volume number 113
Start page 386
End page 390
Total pages 5
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-09
ISSN 1879-0208
Keyword(s) Microwave irradiation
Coffee shell
High specific surface area activated carbon
Hydrogen storage capacity
KOH
Summary Coffee shell is an environmental concern to china along with steady growth of coffee production. This study attempt to characterize high specific surface area activated carbon (HSSA-AC). HSSA-AC was prepared from carbonized material which obtained from coffee shell by microwave irradiation. Textural properties and surface chemistry of HSSA-AC were found to be strongly depending on the activation time, KOH/C ratio and particle size. The textural properties of the samples were investigated by means of scanning electron microscope analyzer (SEM), cryogenic N2 adsorption, whereas, surface chemistry was probed through Fourier Transform Infrared (FTIR) spectrometer (Maldhure and Ekhe, 2011) and Hydrogen storage performance was tested by H2 adsorption. Maximum surface area of 3149 m2 g−1, Iodine adsorption value 2566 mg/g, Methylene Blue adsorption value 47.5 mL 0.1 g−1, the hydrogen adsorption value 0.91 wt% at 14 MPa and yield 39% was observed in case of microwave treated sample at activation time 9 min, KOH/C ratio 5 and particle size 0.25–0.71 mm. Results revealed usefulness of microwave treatment in influencing surface area of HSSA-AC which could be used in a hydrogen storage material research application.
Language eng
DOI 10.1016/j.ibiod.2016.05.003
Field of Research 060101 Analytical Biochemistry
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30085539

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