Flowsheet Simulation of Integrated Precipitation Processes

Dynamic Flowsheet Simulation of Solids Processes Journal

This work presents the fundamentals and exemplary applications of a generalized model for precipitation, aggregation and ripening processes including the formation of solid phases with two dimensions. The particle formation is governed by a widely applicable population balance approach. Solid formation processes are described via the numerically efficient Direct Quadrature Method of Moments (DQMOM), which can calculate the evolution of multiple solid phases simultaneously. The particle size distribution (PSD) is approximated by a summation of delta functions while the moment source term is approximated by a two-point quadrature. The moments to calculate the multivariate distributions are chosen carefully to represent the second order moments. Solid formation is based on the model of Haderlein et al. (2017) and is extended by a multidimensional aggregation model. Now, the influences of mixing, complex hydrochemistry and particle formation dynamics including nucleation, growth and aggregation on multiphase precipitation processes are modelled and simulated along independent dimensions with high efficiency.

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Flowsheet Simulation of Integrated Precipitation Processes

Mark Michaud ¹, Michael Haderlein ¹, Doris Segets ², Wolfgang Peukert ¹

1 Institute of Particle Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany

2 Process Technology for Electrochemical Functional Materials, Institute for Combustion and Gas Dynamics - Reactive Fluids (IVG-RF), and Center for Nanointegration Duisburg-Essen (CENIDE), Essen, Germany

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Dynamic Flowsheet Simulation of Solids Processes Journal
https://doi.org/10.1007/978-3-030-45168-4_8
© Springer Nature Switzerland AG 2020

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