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Study on Catalytic Pyrolysis of Biological Oil

Author: QuanKeJing
Tutor: LiuFuSheng
School: Qingdao University of Science and Technology
Course: Chemical processes
Keywords: USY mesoporous molecular sieve polystyrene biological oil biofuel catalytic pyrolysis
CLC: TQ641
Type: Master's thesis
Year: 2013
Downloads: 8
Quote: 0
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Abstract


The biological oil catalytic cracking reaction using soybean oil, rubber seed oil and trench oil as raw material were studied. The effects of catalyst types, quantity of catalyst, reaction temperature and time on catalytic pyrolysis results using soybean oil as raw material were examined. The results showed that microporous molecular sieves USY and alkaline mesoporous molecular sieves K2O-BaO-MCM-41had a better catalytic performance. Using USY as catalyst, the obtained optimum reaction conditions were m(catalyst):m(soybean oil)=150, reaction temperature420℃and reaction time90min. Under the above conditions, the conversion of soybean oil and the yield of liquid product were more than95%and82%, respectively. Using K2O-BaO-MCM-41as catalyst, the obtained optimum reaction conditions were m(catalyst):m(soybean oil)1:50, reaction temperature420℃and reaction time90min. Under the above conditions, the conversion of soybean oil and the yield of liquid product were more than94%and80%, respectively. The reusable performance of USY and K2O-BaO-MCM-41were also examined respectively. The results showed that there were no obvious changes in soybean oil conversion and liquid product yield after the catalyst was reused for6times. It was showed that USY and K2O-BaO-MCM-41had a better reusable performance.The effects of catalyst types, quantity of catalyst, reaction temperature and time on catalytic pyro lysis results using rubber seed oil as raw material were examined. The results showed that microporous molecular sieves USY and alkaline mesoporous molecular sieves K2O-BaO-MCM-41had a better catalytic performance. Using USY as catalyst, the obtained optimum reaction conditions were m(catalyst):m(rubber seed oil)=1:50, reaction temperature420℃and reaction time90min. Under the above conditions, the conversion of rubber seed oil and the yield of liquid product were more than94%and75%, respectively. Using K2O-BaO-MCM-41as catalyst, the obtained optimum reaction conditions were m(catalyst):m(rubber seed oil)=1:50, reaction temperature420℃and reaction time90min. Under the above conditions, the conversion of rubber seed oil and the yield of liquid product were more than94%and78%, respectively. The reusable performance of USY and K2O-BaO-MCM-41were also examined respectively. The results showed that there were no obvious changes in rubber seed oil conversion and liquid product yield after the catalyst was reused for6times. It was showed that USY and K2O-BaO-MCM-41had a better reusable performance.The effects of catalyst types, quantity of catalyst, reaction temperature and time on catalytic pyrolysis results using trench oil as raw material were examined. The results showed that microporous molecular sieves USY and alkaline mesoporous molecular sieves K2O-BaO-MCM-41had a better catalytic performance. Using USY as catalyst, the obtained optimum reaction conditions were m(catalyst):m(trench oil)=1:30, reaction temperature430℃and reaction time100min. Under the above conditions, the conversion of trench oil and the yield of liquid product were more than82%and64%, respectively. Using K2O-BaO-MCM-41as catalyst, the obtained optimum reaction conditions were m(catalyst):m(trench oil)=130, reaction temperature430℃and reaction time110min. Under the above conditions, the conversion of trench oil and the yield of liquid product were more than83%and67%, respectively. The reusable performance of USY and K2O-BaO-MCM-41were also examined respectively. The results showed that there were no obvious changes in trench oil conversion and liquid product yield after the catalyst was reused for6times. It was showed that USY and K2O-BaO-MCM-41had a better reusable performance.

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CLC: > Industrial Technology > Chemical Industry > Chemical processing of oils and waxes industry, soap industry > Basic theory
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