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Title: Renewable Acrylonitrile Production

Journal Article · · Science

Acrylonitrile (ACN) is a petroleum-derived compound used in resins, polymers, acrylics, and carbon fiber. We present a process for renewable ACN production using 3-hydroxypropionic acid (3-HP), which can be produced microbially from sugars. The process achieves ACN molar yields exceeding 90% from ethyl 3-hydroxypropanoate (ethyl 3-HP) via dehydration and nitrilation with ammonia over an inexpensive titanium dioxide solid acid catalyst. We further describe an integrated process modeled at scale that is based on this chemistry and achieves near-quantitative ACN yields (98 +/- 2%) from ethyl acrylate. This endothermic approach eliminates runaway reaction hazards and achieves higher yields than the standard propylene ammoxidation process. Avoidance of hydrogen cyanide as a by-product also improves process safety and mitigates product handling requirements.

Research Organization:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office. Bioenergy Technologies Office
DOE Contract Number:
AC36-08GO28308
OSTI ID:
1417799
Report Number(s):
NREL/JA-5100-69050
Journal Information:
Science, Vol. 358, Issue 6368; ISSN 0036-8075
Publisher:
AAAS
Country of Publication:
United States
Language:
English

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  • Industrial & Engineering Chemistry Product Research and Development, Vol. 20, Issue 2 https://doi.org/10.1021/i300002a030
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