NDLI: Hydrogen production by catalytic decomposition of methane over activated carbons: Deactivation study

Content Provider	Springer Nature Link
Author	Kim, Myung Hwan Lee, Eun Kyoung Jun, Jin Hyuk Han, Gui Young Kong, Sang Jun Lee, Byung Kwon Lee, Tae Jin Yoon, Ki June
Copyright Year	2003
Abstract	The amount of deposited carbon on activated carbons was adjusted by varying the space time and the time on stream. Carbon nuclei formation appeared to occur initially but was terminated soon and then the carbon crystallite growth became dominant. The methane decomposition rate over activated carbons had a nearly linear relationship with the amount of carbon deposited. This suggests that the carbon deposition occurs uniformly and the activity decreases due to pore blocking, resulting in loss of accessibility to the active sites. The rate was also nearly proportional to the surface area for the same kind of activated carbon, which is contrasted with the previous finding that no discernible trend was observed between the initial activity and the surface area among different kinds of the activated carbons.
Starting Page	835
Ending Page	839
Page Count	5
File Format	PDF
ISSN	02561115
Journal	Korean Journal of Chemical Engineering
Volume Number	20
Issue Number	5
e-ISSN	19757220
Language	English
Publisher	Springer-Verlag
Publisher Date	2003-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Activated Carbon Deactivation Hydrogen Methane Decomposition Surface Area Industrial Chemistry/Chemical Engineering Catalysis Materials Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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