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New catalyst paves way for bio-based plastics, chemicals

By Tina Hilding, Voiland College of Engineering & Architecture

catalyst-detailPULLMAN, Wash. – Washington State University researchers have developed a catalyst that easily converts bio-based ethanol to a widely used industrial chemical, paving the way for more environmentally friendly, bio-based plastics and products.

The researchers have published a paper online describing the catalyst in the Journal of the American Chemical Society (http://pubs.acs.org/doi/abs/10.1021/jacs.5b07401) and have been granted a U.S. patent.

The chemical industry is interested in moving away from fossil fuels to bio-based products to reduce environmental impacts and to meet new regulations for sustainability, said Yong Wang, Voiland Distinguished Professor in the Gene and Linda Voiland School of Chemical Engineering and Bioengineering.

catalyst-process
The catalyst works on bio-based ethanol to create isobutene used in plastics and other products.

The industry has traditionally made a widely used chemical called isobutene – used in everything from plastic soda bottles to rubber tires – by superheating crude oil. But in collaboration with the Archer Daniels Midland (ADM) Company, Wang and his colleagues developed a catalyst to convert bio-based ethanol, which is made from corn or other biomass, to isobutene in one easy production step.

The researchers examined the costs and lifetime of their catalyst to determine its practicality for the marketplace and determined that it could be used for other closely related feedstocks. They also discovered just how their catalyst works, knowledge that could be used to design more efficient catalysts for a wide range of applications.

In addition to ADM, the work was supported by a grant from the Department of Energy (DE-AC05-RL01830, FWP-47319).

“This is one example that shows the benefits of closely linking the practical and fundamental aspects of research to develop scalable and commercially practical catalysts for applications of importance to industries,’’ said Wang, who holds a joint appointment in the U.S. Department of Energy’s Pacific Northwest National Laboratory (http://www.pnnl.gov/).

 

Contacts:
Yong Wang, WSU Gene and Linda Voiland School of Chemical Engineering and Bioengineering, 509-371-6273, wang42@wsu.edu
Tina Hilding, WSU Voiland College of Engineering and Architecture communications, 509-335-5095, thilding@wsu.edu

 

 

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