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| Liquid product index and mechanism of oleic acid cracking by molecular sieve catalysis |
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| KeyWord:oleic acid HZSM-5 bio-based fuel catalytic crackin |
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| Abstract: |
| In order to realize the rational utilization of various oils, the cracking experiment of oleic acid catalyzed by HZSM-5 molecular sieve was carried out. The composition and quality of oleic acid cracking liquid product and intermediate process of oleic acid cracking were investigated.The results showed that the main component of oleic acid cracking liquid product was aromatic hydrocarbon, accounting for 87.41%. The density, acid value, viscosity, saponification value and sulfur content of the liquid product were 7981 kg/m3, 4.36 mgKOH/g, 0.74 mPa·s, 9.63 mgKOH/g and 0.000 4% respectively. The liquid product was similar in quality to petrochemical gasoline, with lower sulfur content, higher octane number and better quality. Oleic acid itself did not contain aromatic hydrocarbons, and more aromatic hydrocarbons were formed by catalytic cracking. The content of paraxylene was the highest, accounting for 37.02%. |
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