Open this publication in new window or tab >>2021 (English)In: Analytical Chemistry, ISSN 0003-2700, E-ISSN 1520-6882, Vol. 93, no 39, p. 13187-13195Article in journal (Refereed) Published
Abstract [en]
On-line composition analysis of complex hydrocarbon mixtures is highly desirable to determine the composition of process streams and to study chemical reactions in heterogeneous catalysis. Here, we show how the combination of time-resolved Fourier transform infrared spectroscopy and ion-molecule-reaction mass spectrometry (IMR-MS) can be used for compositional analysis of processed plant biomass streams. The method is based on the biomass-derived model compound 2,5-dimethylfuran and its potential catalytic conversion to valuable green aromatics, for example, benzene, toluene, and xylenes (BTX) over zeolite β. Numerous conversion products can be determined and quantified simultaneously in a temporal resolution of 4 min-1without separation of individual compounds. The realization of this method enables us to study activity, selectivity, and changes in composition under transient reaction conditions. For example, increasing isomerization of 2,5-dimethylfuran to 2,4-dimethylfuran, 2-methyl-2-cyclopenten-1-one, and 2-methyl-2-cyclopenten-1-one is observed as the catalyst is exposed to the reactant, while BTX and olefin formation is decreasing. © 2021 The Authors.
Place, publisher, year, edition, pages
American Chemical Society, 2021
Keywords
Biomass, Catalysis, Chemical analysis, Hydrocarbons, Mass spectrometry, Molecules, Zeolites, Benzene- toluenes, Compositional analysis, Hydrocarbon stream, Hydrocarbons mixtures, Ion molecule/reaction, On-line composition analysis, Plant biomass, Process streams, Reaction mass, Time-resolved Fourier transform infrared spectroscopies, Fourier transform infrared spectroscopy
National Category
Analytical Chemistry
Identifiers
urn:nbn:se:ri:diva-56921 (URN)10.1021/acs.analchem.1c01929 (DOI)2-s2.0-85116547381 (Scopus ID)
Note
Funding details: Svenska Forskningsrådet Formas, 2017-00420; Funding details: Knut och Alice Wallenbergs Stiftelse, KAW 2005.0055; Funding text 1: The authors thank the Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning (Formas) for financial support [no. 2017-00420]. Financial support from Knut and Alice Wallenberg foundation [Dnr KAW 2005.0055] is greatfully acknowledged.
2021-11-232021-11-232023-05-09Bibliographically approved