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Hydrogenation of Pyrolysis Oil from Loblolly Pine Residue
Received:September 15, 2019    Click here to download the full text
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Author NameAffiliation
Mondal Ajoy Kanti College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province, 350108, China
Institute of Fuel Research and Development, Bangladesh Council of Scientific and Industrial Research, Dhaka- 1205, Bangladesh 
Qin Chengrong Guangxi Key Laboratory of Clean Pulp &
Papermaking and Pollution Control, Nanning, Guangxi Zhuang Autonomous Region, 530004, China 
Ragauskas Arthur J. Department of Forestry, Wildlife, and Fisheries, Center for Renewable Carbon, University of Tennessee Institute of Agriculture, Knoxville, Tennessee 37996, USA
Joint Institute for Biological Science, Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA 
Ni Yonghao College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province, 350108, China
Department of Chemical Engineering, University of New Brunswick, Fredericton, E3B 5A3, Canada 
Huang Fang College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province, 350108, China
Guangxi Key Laboratory of Clean Pulp &
Papermaking and Pollution Control, Nanning, Guangxi Zhuang Autonomous Region, 530004, China 
 
Abstract:Loblolly pine residue prepared with and without zeolite ZSM-5 was pyrolyzed at 600℃ and the pyrolysis oil was hydrogenated using formic acid as a hydrogen source, in the presence of a Ru/activated carbon catalyst. As indicated by the pyrolysis yield, addition of the zeolite ZSM-5 increased the yield of light oil but decreased the yield of heavy oil. The pyrolysis oils were analyzed by 13C- , 31P- , 19F-nuclear magnetic resonance (NMR), and heteronuclear single quantum coherence or heteronuclear single quantum correlation nuclear magnetic resonance (HSQC-NMR), demonstrating that the zeolite ZSM-5 can efficiently induce decarboxylation reactions and decrease the content of aliphatic hydroxyl groups in the heavy oil by 57%. After hydrogenation of the pyrolysis oil, the aromatic carbon content decreased by 78%, with a significant increase in the aliphatic carbon content.
keywords:hydrogenation  pyrolysis oil  Loblolly pine residue  zeolite ZSM-5
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