Journal
RENEWABLE ENERGY
Volume 36, Issue 3, Pages 930-935Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2010.08.029
Keywords
Acetic acid; Coke formation; Nickel catalyst; Steam reforming
Funding
- Ministry of Education of China [108033, 107119]
- National Basic Research Program of China [2009CB219801]
- National High Technology Research and Development Program [2008AA05Z302]
- National Natural Science Foundation of China [50976032]
- Nature Science Foundation of Beijing [3101001]
- North-China Electric Power University [200822015]
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Steam reforming of acetic acid on Ni/gamma-Al2O3 with different nickel loading for hydrogen production was investigated in a tubular reactor at 600 degrees C, 1 atm, H2O/HAc = 4, and WHSV = 5.01 g-acetic acid/g-cata.h(-1). The catalysts were characterized by temperature programmed oxidation (TPO) and differential thermal analysis (DTA). X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM). The results showed that the amount of deposited carbidic-like carbon decreased and graphitic-like carbon increased with Ni loading increasing from 9 to 15 wt%. The Ni/gamma-Al2O3 catalyst with 12 wt% Ni loading had higher catalytic activity and lower coke deposited rate. (C) 2010 Elsevier Ltd. All rights reserved.
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