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Processes 2015, 3(2), 222-234;

Optimizing the Production of Renewable Aromatics via Crop Oil Catalytic Cracking

Department of Chemical Engineering, University of North Dakota, 241 Centennial Dr., Stop 7101, Grand Forks, ND 58202-7101, USA
Department of Chemistry, University of North Dakota, 151 Cornell Street, Stop 9024, Grand Forks, ND 58202-9024, USA
Author to whom correspondence should be addressed.
Academic Editor: Michael Henson
Received: 9 February 2015 / Revised: 26 March 2015 / Accepted: 28 March 2015 / Published: 3 April 2015
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While HZSM-5 catalytic cracking of crop oil toward aromatics have been well documented, this work adds to this body of knowledge with a full acid byproduct analysis that provides improved mass balance closure along with a design of experiment optimization of reaction conditions. Fatty acids are an inevitable byproduct when converting any triglyceride oil, but are most often overlooked; despite the impact fatty acids have on downstream processing. Acid analysis verified that only short chain fatty acids, mainly acetic acid, were present in low quantities when all feed oil was reacted. When relatively high fatty acid amounts were present, these were mainly uncracked C16 and C18 fatty acids. Optimization is a balance of aromatics formation vs. unwanted gas products, coke and residual fatty acids. A design of experiments approach was used to provide insight into where the optimal reaction conditions reside for HZSM-5 facilitated reactions. These conditions can then form the basis for further development into a commercially viable process for the production of renewable aromatics and other byproducts. View Full-Text
Keywords: HZSM-5; fatty acids; crop oil; aromatics; design of experiments HZSM-5; fatty acids; crop oil; aromatics; design of experiments

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kadrmas, C.; Khambete, M.; Kubátová, A.; Kozliak, E.; Seames, W. Optimizing the Production of Renewable Aromatics via Crop Oil Catalytic Cracking. Processes 2015, 3, 222-234.

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