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@PHDTHESIS{Scheffczyk:726523,
author = {Scheffczyk, Jan David},
othercontributors = {Bardow, André and Sundmacher, Kai and Leonhard, Kai},
title = {{I}ntegrated computer-aided design of molecules and
processes using {COSMO}-{RS}; 1. {A}uflage},
volume = {14},
school = {RWTH Aachen University},
type = {Dissertation},
address = {Aachen},
publisher = {Wissenschaftsverlag Mainz GmbH - Aachen},
reportid = {RWTH-2018-225002},
isbn = {978-3-95886-236-4},
series = {Aachener Beiträge zur technischen Thermodynamik},
pages = {1 Online-Ressource (XXI, 166 Seiten) : Illustrationen},
year = {2018},
note = {Veröffentlicht auf dem Publikationsserver der RWTH Aachen
University; Dissertation, RWTH Aachen University, 2018},
abstract = {Optimal performance of chemical processes requires both
optimized operating conditions and carefully selected
molecules such as solvents. However, the search for optimal
molecules and process concepts often has a limited focus:
Either processes are optimized using a pre-defined set of
molecules or molecules are selected for novel applications
based on simplified process indicators. At the same time,
the search for optimal molecules often relies on strongly
simplified thermodynamic models that require experimentally
determined group interaction parameters and confine the
molecular design space. Overall, current design approaches
often do not capture complex process trade-offs and are
limited to prescriptive sets of molecules which likely
results in suboptimal choices. To address the challenge of
identifying optimal processes and molecules, this thesis
presents an integrated computer-aided molecular and process
design (CAMPD) approach. The design approach uses quantum
mechanics (QM)-based property prediction by COSMO-RS and is
thus independent of experimental determined group
interaction parameters while not relying on group
additivity. For reliable and fast evaluation of complex
processes, advanced pinch-based process models are employed.
These pinch-based process models account for the inherent
trade-off in molecular properties while being both
computationally efficient and accurate in comparison to
rigorous process models. The integrated design approach in
this thesis is stepwise extended from process-level
molecular screenings towards molecular design for separation
and reaction-separation processes. The application of the
presented integrated design approach is illustrated for
various examples of solvent selection and process
optimization. In particular, process concepts and solvents
are investigated for the purification of bio-based platform
chemicals as well as the production of CO from CO2. Overall,
this thesis successfully integrates COSMO-RS property
prediction in CAMPD and thus significantly expands the range
and applicability of current CAMPD approaches.},
cin = {412110},
ddc = {620},
cid = {$I:(DE-82)412110_20140620$},
typ = {PUB:(DE-HGF)3 / PUB:(DE-HGF)11},
doi = {10.18154/RWTH-2018-225002},
url = {https://publications.rwth-aachen.de/record/726523},
}