TY - JOUR
T1 - Heterogeneous catalytic oxidation of furfural with hydrogen peroxide over sulfated zirconia
AU - Murzin, Dmitry Yu.
AU - Bertrand, Emilie
AU - Tolvanen, Pasi
AU - Devyatkov, Sergey
AU - Rahkila, Jani
AU - Eränen, Kari
AU - Wärnå, Johan
AU - Salmi, Tapio
N1 - tk.
Emilie Bertrand and Sergey Devyatkov are affiliated with ÅAU.
[Har kontaktat Babo 10.11.2020 LN]
PY - 2020/7/7
Y1 - 2020/7/7
N2 - Furfural oxidation with hydrogen peroxide was performed using sulfated zirconia as an acid catalyst within the temperature range of 40–90 °C. The catalytic behavior of sulfated zirconia due to its acidic character was different from a previously studied fibrous polymer-supported sulfonic acid catalyst Smopex-101. While maleic and succinic acids along with 2(5-H)-furanone and formic acid were formed, selectivity to succinic acid was lower. Moreover, significant amounts of 5-hydroxy-2(5-H)-furanone were generated as confirmed by nuclear magnetic resonance (NMR). In parallel to furfural oxidation giving products with four carbon atoms and formic acid, also furoic acid was formed and oxidized further. The reaction network proposed previously was modified and extended to account for these observations. In particular, the oxidation of 2(5-H)-furanone to maleic acid, considered to be a plausible step over Smopex-101, turned out to be very slow in the presence of sulfated zirconia. The kinetic model developed on the basis of the reaction network was able to describe the concentration profiles of the reactants, intermediates, and products as a function of reaction time at different temperatures including decomposition of hydrogen peroxide.
AB - Furfural oxidation with hydrogen peroxide was performed using sulfated zirconia as an acid catalyst within the temperature range of 40–90 °C. The catalytic behavior of sulfated zirconia due to its acidic character was different from a previously studied fibrous polymer-supported sulfonic acid catalyst Smopex-101. While maleic and succinic acids along with 2(5-H)-furanone and formic acid were formed, selectivity to succinic acid was lower. Moreover, significant amounts of 5-hydroxy-2(5-H)-furanone were generated as confirmed by nuclear magnetic resonance (NMR). In parallel to furfural oxidation giving products with four carbon atoms and formic acid, also furoic acid was formed and oxidized further. The reaction network proposed previously was modified and extended to account for these observations. In particular, the oxidation of 2(5-H)-furanone to maleic acid, considered to be a plausible step over Smopex-101, turned out to be very slow in the presence of sulfated zirconia. The kinetic model developed on the basis of the reaction network was able to describe the concentration profiles of the reactants, intermediates, and products as a function of reaction time at different temperatures including decomposition of hydrogen peroxide.
KW - Furfural
KW - heterogeneous catalysis
KW - kinetics
UR - http://www.scopus.com/inward/record.url?scp=85090238747&partnerID=8YFLogxK
UR - https://pubs.acs.org/doi/10.1021/acs.iecr.0c02566
U2 - 10.1021/acs.iecr.0c02566
DO - 10.1021/acs.iecr.0c02566
M3 - Article
AN - SCOPUS:85090238747
SN - 0888-5885
VL - 59
SP - 13516
EP - 13527
JO - Industrial and Engineering Chemistry Research
JF - Industrial and Engineering Chemistry Research
IS - 30
ER -