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@ARTICLE{Bertram:1052066,
author = {Bertram, Franziska and Hofmann, Jörg and Gottschalk, Jan
and Weißenberg, Felix and Brands, Thorsten and Holly, Carlo
and Jupke, Andreas},
title = {{D}evelopment of a two-dimensional {R}aman spectroscopy
measuring technique for the visualization of mass transfer
during droplet formation},
journal = {Chemical engineering science},
volume = {320},
issn = {0009-2509},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2026-00736},
pages = {122444 -},
year = {2026},
abstract = {A novel two-dimensional Raman spectroscopy measurement
setup is developed to visualize mass transfer during droplet
formation and applied to the water/acetonitrile/toluene
system. This setup enables direct observation of local
solute contents. Experiments were conducted using 2 mm and 4
mm droplets with an initial acetonitrile content of 10
$wt\%.$ The results are qualitatively consistent with
findings reported in the literature for similar systems.
Initial calibration measurements using single-phase systems
demonstrated linear correlations between measured
intensities and solute contents in both phases, though a
baseline shift in the organic phase was attributed to the
presence of toluene. Applying these correlations to droplet
formation experiments resulted in an overestimation of local
acetonitrile contents. Future work will focus on further
refining the quantification capabilities of the measurement
setup.},
cin = {IBG-2},
ddc = {660},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {2172 - Utilization of renewable carbon and energy sources
and engineering of ecosystem functions (POF4-217) / PFExC006
- EXC2186 "The Fuel Science Center" (EXS-PF-PFExC006)},
pid = {G:(DE-HGF)POF4-2172 / G:(DE-82)EXS-PF-PFExC006},
typ = {PUB:(DE-HGF)16},
doi = {10.1016/j.ces.2025.122444},
url = {https://juser.fz-juelich.de/record/1052066},
}