Potentiality of combined catalyst for high quality bio-oil production from catalytic pyrolysis of pinewood using an analytical Py-GC/MS and fixed bed reactor |
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| Affiliation: | 1. Biomass Energy Engineering Research Centre, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, PR China;2. Key Laboratory of Urban Agriculture (South), Ministry of Agriculture, 800 Dongchuan Road, Shanghai, 200240, PR China;1. Department of Chemistry, Xi’an Jiaotong-Liverpool University, Suzhou, 215123, China;2. Department of Civil Engineering, Xi’an Jiaotong-Liverpool University, Suzhou, 215123, China;3. Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, Ningbo, 315100, China;4. Institute of Solid State Chemistry, The Ural Branch of the Russian Academy of Sciences, Pervomayskaya Str. 91, Ekaterinburg, 620990, Russian Federation;1. College of Ecology&Environment, Southwest Forestry University, Kunming, 650224, PR China;2. National Joint Engineering Research Center for Highly-Efficient Utilization, Southwest Forestry University, Technologyof Forest Biomass Resources, Kunming, 650224, PR China;3. Research Institute of Resources Insects, Chinese Academy of Forestry, Kunming, 650224, PR China;4. Xiamen Key Laboratory for High-valued Conversion Technology of Agricultural Biomass (Xiamen University) Fujian Provincial Engineering and Research Center of Clean and High-valued Technologies for Biomass (Xiamen University) College of Energy, Xiamen University, Xiamen, 361102, PR China;1. National Metal and Materials Technology Center, Thailand Science Park, Pathumthani, 12120, Thailand;2. Department of Environmental Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand;1. Biomass Energy Engineering Research Centre, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, PR China;2. Key Laboratory of Urban Agriculture (South), Ministry of Agriculture and Rural Affairs, 800 Dongchuan Road, Shanghai, 200240, PR China |
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| Abstract: | The aim of this study was to investigate the potential of combined catalyst (ZSM-5 and CaO) for high quality bio-oil production from the catalytic pyrolysis of pinewood sawdust that was performed in Py-GC/MS and fixed bed reactor at 500 °C. In Py-GC/MS, the maximum yield of aromatic hydrocarbon was 36 wt% at biomass to combined catalyst ratio of 1:4 where the mass ratio of ZSM-5 to CaO in the combined catalyst was 4:1. An increasing trend of phenolic compounds was observed with an increasing amount of CaO, whereas the highest yield of phenolic compounds (31 wt%) was recorded at biomass to combined catalyst ratio of 1:4 (ZSM-5: CaO - 4:1). Large molecule compounds could be found to crack into small molecules over CaO and then undergo further reactions over zeolites. The water content, higher heating value, and acidity of bio-oil from the fixed bed reactor were 21%, 24.27 MJkg?1, and 4.1, respectively, which indicates that the quality of obtained bio-oil meets the liquid biofuel standard ASTM D7544-12 for grade G biofuel. This research will provide a significant reference to produce a high-quality bio-oil from the catalytic pyrolysis of woody biomass over the combined catalyst at different mass ratios of biomass to catalyst. |
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| Keywords: | Pinewood Catalytic pyrolysis Py-GC/MS Bio-oil Aromatic hydrocarbon |
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