Conversion of ethanol to 1,3-butadiene over Na doped ZnxZryOz mixed metal oxides

Journal Article · Fri Jan 01 04:00:00 EST 2016 · Catalysis Today

DOI:https://doi.org/10.1016/j.cattod.2015.04.010· OSTI ID:1255361

Baylon, Rebecca A.; Sun, Junming; Wang, Yong

Despite numerous studies on different oxide catalysts for the ethanol to 1,3-butadiene reaction, few have identified active sites (i.e., type of acidity) correlated to the catalytic performances. In this work, the type of acidity needed for ethanol to 1,3-butadiene conversion has been studied over Zn/Zr mixed oxide catalysts. Specifically, synthesis method, Zn/Zr ratio, and Na doping have been used to control the surface acid-base properties, as confirmed by characterizations such as NH3-TPD and IR-Py techniques. The 2000 ppm Na doped Zn1Zr10Oz-H with balanced base and weak Bronsted acid sites was found to give not only high selectivity to 1,3-butadiene (47%) at near complete ethanol conversion (97%), but also exhibited a much higher 1,3-butadiene productivity than other mixed oxides studied.

• Research Organization: Pacific Northwest National Laboratory (PNNL), Richland, WA (US)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC05-76RL01830
• OSTI ID: 1255361
• Report Number(s): PNNL-SA-115389; KC0302010
• Journal Information: Catalysis Today, Journal Name: Catalysis Today Journal Issue: P2 Vol. 259; ISSN 0920-5861
• Publisher: Elsevier
• Country of Publication: United States
• Language: English

Related Subjects

1
3-Butadiene
Ethanol
Mixed oxide
Na doped
Zinc oxide
Zirconia