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Position: Home > Articles > Hβ分子筛催化小桐子油制备生物基燃料 Agricultural Engineering 2019 (7) 25-28

Hβ分子筛催化小桐子油制备生物基燃料

作  者：
徐天宇;苏有勇;崔君君;孙浩伟
单  位：
昆明理工大学现代农业工程学院
关键词：
小桐子油;Hβ分子筛;催化裂化;生物基燃料
摘  要：
为探索Hβ分子筛在裂化反应中的特性,可以在降低能耗、提高经济效益的同时,获得较好品质的生物基燃料油,分析不同温度、质量空速对小桐子油气相催化裂化效果的影响.试验以硅铝比为25∶1的Hβ分子筛作为催化剂,以小桐子油为原料,使用实验室自制固定床反应装置,开展了植物油脂催化裂化的研究.试验结果表明,当催化温度为475℃、质量空速为8. 72 h-1时,液体产品转化率为27. 88%,液体产品酸值为9. 49 KOHmg/g,密度为0. 862 1g/cm3,液体产品成分多为芳香族类化合物.
作  者：
XU Tianyu;SU Youyong;CUI Junjun;SUN Haowei;Faculty of Modern Agricultural Engineering,Kunming University of Science and Technology;
单  位：
XU Tianyu%SU Youyong%CUI Junjun%SUN Haowei%Faculty of Modern Agricultural Engineering,Kunming University of Science and Technology
关键词：
Jatropha oil;;Hβ zeolite;;catalytic cracking;;bio-based fuel
摘  要：
In order to explore characteristics of Hβ molecular sieve in the cracking reaction,better quality bio-based fuel oil can be obtained while reducing energy consumption and improving economic benefits,effects of different temperatures and mass space velocities on oil-gas catalytic cracking of Paulownia curcas were analyzed. Hβ molecular sieve with a ratio of silica to alumina of25∶ 1 was used as a catalyst,and Jatropha oil was used as a raw material. The laboratory-made catalytic cracking fixed bed device was used to carry out the research on catalytic cracking of vegetable oil,and the different temperature and weight hourly space velocity were explored. Results showed that when catalytic temperature was 475 ℃ and the weight hourly space velocity was 8. 72 h-1,the conversion rate was the highest,reaching 27. 88%,and the acid value of liquid product was 9. 49 KOHmg/g,the density was 0. 862 1 g/cm3,and the liquid product were mainly composed of aromatics.

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