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On-Line Composition Analysis of Complex Hydrocarbon Streams by Time-Resolved Fourier Transform Infrared Spectroscopy and Ion-Molecule Reaction Mass Spectrometry
Chalmers University of Technology, Sweden.
RISE Research Institutes of Sweden, Materials and Production, Applied Mechanics.ORCID iD: 0000-0003-0748-192x
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
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. Vol. 93, no 39, p. 13187-13195
Keywords [en]
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: urn:nbn:se:ri:diva-56921DOI: 10.1021/acs.analchem.1c01929Scopus ID: 2-s2.0-85116547381OAI: oai:DiVA.org:ri-56921DiVA, id: diva2:1613771
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.

Available from: 2021-11-23 Created: 2021-11-23 Last updated: 2023-05-09Bibliographically approved

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Loren, Anders

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