Issue 6, 2018

Catalytic cracking of triglycerides with a base catalyst and modification of pyrolytic oils for production of aviation fuels

Abstract

Molecular structure transformation is a critical step for synthesis of aviation biofuels from triglycerides, to yield alkanes, aromatics and cycloalkanes. To this end, triglycerides were treated by catalytic cracking coupled with rectification to obtain hydrocarbon fuels, and the molecular weight of the liquid product was adjusted to the desirable boiling range of aviation fuel. To further modify the molecular structures, the pyrolytic hydrocarbons were partially converted into aromatics and cycloalkanes by a two-step process. Different raw materials including soybean oil, rubber seed oil, waste cooking oil and acidified oil were cracked with a 5 wt% base catalyst at 350–450 °C (under the atmospheric pressure) in a benchtop reactor. Afterwards, the linear hydrocarbons of C8–C15 size were transformed into aromatics by HZSM-5 at 350 °C for 6 h. Then, a portion of the aromatics were converted into cycloalkanes catalyzed by Pd/AC at 200 °C and 6 MPa (H2) for 6 h. As a result, a desirable mixture of linear hydrocarbons, aromatics and cycloalkanes was obtained with a similar composition and properties to traditional fossil aviation fuels.

Graphical abstract: Catalytic cracking of triglycerides with a base catalyst and modification of pyrolytic oils for production of aviation fuels

Supplementary files

Article information

Article type
Paper
Submitted
27 محرم 1439
Accepted
12 رجب 1439
First published
20 رجب 1439

Sustainable Energy Fuels, 2018,2, 1206-1215

Catalytic cracking of triglycerides with a base catalyst and modification of pyrolytic oils for production of aviation fuels

F. Li, J. Jiang, P. Liu, Q. Zhai, F. Wang, C. Hse and J. Xu, Sustainable Energy Fuels, 2018, 2, 1206 DOI: 10.1039/C7SE00505A

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements