Products and coke from the conversion of bio-oil acids,esters, aldehydes and ketones over equilibrium FCC catalysts |
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| Affiliation: | 1. Department of Chemical Engineering, Monash University, Wellington Road, Clayton, VIC 3800, Australia;2. Research Institute of Petroleum Processing, SINOPEC, Beijing 100083, China;3. School of Geosciences, Monash University, Clayton, VIC 3800, Australia;1. Tianjin Engineering Research Center of Bio Gas-Oil Technology/ School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China;2. Qingdao Institute for Ocean Engineering of Tianjin University, Qingdao 266235, China;3. School of Life Science and Technology, Inner Mongolia University of Science and Technology, Baotou 014010, China;4. School of Science, Tibet University, Lhasa 850012, China;1. Institute for Catalysis, Hokkaido University, N-21, W-10, Sapporo 001-0021, Japan;2. Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, Katsura, Kyoto 615-8520, Japan;1. Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, India;2. Department of Chemical Engineering, Veer Surendra Sai University of Technology, Burla 768018, India |
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| Abstract: | Reactivity and product distributions in the conversion of five different compounds representing typical species in bio-oils were studied over an equilibrium FCC catalyst at 500 °C during 60 s in a fixed bed reactor. Acetic acid, methyl acetate, furfural, 3-methyl-2-pentanone and 2-hidroxy-3-methylcyclopentenone were dissolved at 5% wt. in water. Thermal conversions were performed under the same conditions with inert SiC in the bed. The test compounds converted very differently, deoxygenation being produced by decarboxylation and dehydration. Furfural and 3-methyl-2-pentanone gave the highest yields of hydrocarbons, with high selectivity to light olefins and, when liquid (case of ketones), to aromatics. Methyl acetate gave the highest yield of oxygenated compounds. Coke yields were important (maximum 12.8% wt., 2-hidroxy-3-methylcyclopentenone). Thermal conversions were similar to the catalytic ones with acetic acid and methyl acetate, and much lower for the other reactants. Compared catalytic experiments, the thermal yields of hydrocarbons were much higher with acetic acid, and the yields of oxygenated higher with methyl acetate ester. Much less hydrocarbons were produced thermally with the other reactants. This information may be useful for predicting contributions if these compounds are to be co-processed in existing FCC units or upgraded over acidic catalysts. |
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| Keywords: | Bio-oil Co-processing FCC Refinery |
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