Person – Energie Campus Nürnberg

Bernadette Worgul, Adriana Freites Aguilera, Camille Vergat-Lemercier, Kari Eränen, Olga Simakova, Hendrik Held, Hannsjörg Freund, Dmitry Yu. Murzin, Tapio Salmi (2022)

Sugar acid production on gold nanoparticles in slurry reactor: Kinetics, solubility and modelling

Chemical Engineering Science

Trunk Sebastian, Brix Andreas, Freund Hannsjoerg (2021)

Development and evaluation of a new particle tracking solver for hydrodynamic and mass transport characterization of porous media - A case study on periodic open cellular structures

Chemical Engineering Science

Giulia Littwin, Markus von Beyer, Hannsjörg Freund (2021)

Detailed investigation of liquid distribution and holdup in periodic open cellular structures using computed tomography

Chemical Engineering and Processing

Moioli Emanuele, Schmid Leo, Wasserscheid Peter, Freund Hannsjoerg (2021)

Kinetic modelling of reactions for the synthesis of 2-methyl-5-ethyl pyridine

Reaction Chemistry & Engineering

Giulia Littwin, Susanne Röder, Hannsjörg Freund (2021)

Systematic Experimental Investigations and Modeling of the Heat Transfer in Additively Manufactured Periodic Open Cellular Structures with Diamond Unit Cell

Industrial & Engineering Chemistry Research

Matteo Ambrosetti, Gianpiero Groppi, Wilhelm Schwieger, Enrico Tronconi, Hannsjörg Freund (2020)

Packed Periodic Open Cellular Structures – an Option for the Intensification of Non-Adiabatic Catalytic Processes

Chemical Engineering and Processing

Konrad L. Fischer, Hannsjörg Freund (2020)

On the optimal design of load flexible fixed bed reactors: Integration of dynamics into the design problem

Chemical Engineering Journal

Alexander Pietschak, Anthony G. Dixon, Hannsjörg Freund (2020)

A new heat transfer correlation suited for the design of fixed-bed reactors via numerical optimization

Chemical Engineering Science

Gunnar Ganzer, Hannsjörg Freund (2020)

Influence of statistical activity variations in diluted catalyst beds on the thermal reactor behavior: Derivation of an a priori criterion

Chemical Engineering Science

Warnecke Felix, Lin Lin, Haag Stephane, Freund Hannsjoerg (2020)

Identification of Reaction Pathways and Kinetic Modeling of Olefin Interconversion over an H-ZSM-5 Catalyst

Industrial & Engineering Chemistry Research

Otalvaro Nirvana Delgado, Kaiser Markus, Delgado Karla Herrera, Wild Stefan, Sauer Joerg, Freund Hannsjoerg (2020)

Optimization of the direct synthesis of dimethyl ether from CO2 rich synthesis gas: closing the loop between experimental investigations and model-based reactor design

Reaction Chemistry & Engineering

Giang Do, Michael Geißelbrecht, Wilhelm Schwieger, Hannsjörg Freund (2020)

Additive manufacturing of interpenetrating periodic open cellular structures (interPOCS) with in operando adjustable flow characteristics

Chemical Engineering and Processing

Alexander Pietschak, Johannes Maußner, Anthony G. Dixon, Hannsjörg Freund (2020)

Comparative evaluation of heat transfer correlations with different fluid property considerations for fixed-bed reactor modeling

International Journal of Heat and Mass Transfer

Konrad L. Fischer, Hannsjörg Freund (2020)

Intensification of load flexible fixed bed reactors by optimal design of staged reactor setups

Chemical Engineering and Processing

Hannsjörg Freund, Johannes Maußner, Markus Kaiser, Mingquan Xie (2019)

Process intensification by model-based design of tailor-made reactors

Current Opinion in Chemical Engineering

Kaiser Markus, Freund Hannsjoerg (2019)

A multimodular pseudoheterogeneous model framework for optimal design of catalytic reactors exemplified by methanol synthesis

Chemical Engineering Science

Gunnar Ganzer, Andreas Daniel, Hannsjörg Freund (2019)

Detailed geometrical analysis of statistical activity variations in diluted catalyst beds

Chemical Engineering Research & Design

Ganzer G, Freund H (2019)

Kinetic Modeling of the Partial Oxidation of Propylene to Acrolein: A Systematic Procedure for Parameter Estimation Based on Non-isothermal Data

Industrial & Engineering Chemistry Research

Johannes Maußner, Hannsjörg Freund (2019)

Multi-objective reactor design under uncertainty: A decomposition approach based on cubature rules

Chemical Engineering Science

Lämmermann M, Horak G, Schwieger W, Freund H (2018)

Periodic open cellular structures (POCS) for intensification of multiphase reactors: Liquid holdup and two-phase pressure drop

Chemical Engineering and Processing

Xie MQ, Freund H (2018)

Rigorous design of multiphase reactors: Identification of optimal conditions for mass transfer limited reactions

Chemical Engineering and Processing

Xie MQ, Freund H (2018)

Optimal reactor design and operation taking catalyst deactivation into account

Chemical Engineering Science

Maußner J, Freund H (2018)

Efficient calculation of constraint back-offs for optimization under uncertainty: A case study on maleic anhydride synthesis

Chemical Engineering Science

Xie MQ, Freund H (2018)

Fast synthesis of optimal chemical reactor networks based on a universal system representation

Chemical Engineering and Processing

Busse C., Freund H., Schwieger W. (2018)

Intensification of heat transfer in catalytic reactors by additively manufactured periodic open cellular structures (POCS)

Chemical Engineering and Processing

Maußner J, Freund H (2018)

Optimization under uncertainty in chemical engineering: Comparative evaluation of unscented transformation methods and cubature rules

Chemical Engineering Science

Pietschak A., Kaiser M., Freund H. (2018)

Tailored catalyst pellet specification for improved fixed-bed transport characteristics: A shortcut method for the model-based reactor design

Chemical Engineering Research & Design

Do G, Stiegler T, Fiegl M, Adler L, Korner C, Bosmann A, Freund H, Schwieger W, Wasserscheid P (2017)

Electrophoretic Deposition of Boehmite on Additively Manufactured, Interpenetrating Periodic Open Cellular Structures for Catalytic Applications

Industrial & Engineering Chemistry Research

Tobias Heidig, Thomas Zeiser, Hannsjörg Freund (2017)

Influence of Resolution of Rasterized Geometries on Porosity and Specific Surface Area Exemplified for Model Geometries of Porous Media

Transport in Porous Media

Maußner J, Pietschak A, Freund H (2017)

A new analytical approximation to the extended Brinkman equation

Chemical Engineering Science

Inayat A., Klumpp M., Lämmermann M., Freund H., Schwieger W. (2016)

Development of a new pressure drop correlation for open-cell foams based completely on theoretical grounds: Taking into account strut shape and geometric tortuosity

Chemical Engineering Journal

Lämmermann M, Schwieger W, Freund H (2016)

Experimental investigation of gas-liquid distribution in periodic open cellular structures as potential catalyst supports

Catalysis Today

Razza S, Heidig T, Bianchi E, Groppi G, Schwieger W, Tronconi E, Freund H (2016)

Heat transfer performance of structured catalytic reactors packed with metal foam supports: Influence of wall coupling

Catalysis Today

Karst F, Maestri M, Freund H, Sundmacher K (2015)

Reduction of microkinetic reaction models for reactor optimization exemplified for hydrogen production from methane

Chemical Engineering Journal

Bianchi E, Groppi G, Schwieger W, Tronconi E, Freund H (2015)

Numerical simulation of heat transfer in the near-wall region of tubular reactors packed with metal open-cell foams

Chemical Engineering Journal

Hentschel B, Kiedorf G, Gerlach M, Hamel C, Seide-Morgenstern A, Freund H, Sundmacher K (2015)

Model-Based Identification and Experimental Validation of the Optimal Reaction Route for the Hydroformylation of 1-Dodecene

Industrial & Engineering Chemistry Research

Bianchi E., Schwieger W., Freund H. (2015)

Assessment of Periodic Open Cellular Structures for Enhanced Heat Conduction in Catalytic Fixed-Bed Reactors

Advanced Engineering Materials

Karst F, Freund H, Maestri M, Sundmacher K (2014)

Multiscale Chemical Process Design Exemplified for a PEM Fuel Cell Process

Chemie Ingenieur Technik

Hentschel B, Peschel A, Xie MQ, Vogelpohl C, Sadowski G, Freund H, Sundmacher K (2014)

Model-based prediction of optimal conditions for 1-octene hydroformylation

Chemical Engineering Science

Hentschel B, Peschel A, Freund H, Sundmacher K (2014)

Simultaneous design of the optimal reaction and process concept for multiphase systems

Chemical Engineering Science

Hentschel B, Freund H, Sundmacher K (2014)

Model-Based Determination of the Optimal Reaction Route for Integrated Multiphase Processes

Chemie Ingenieur Technik

Klumpp M, Inayat A, Schwerdtfeger J, Korner C, Singer RF, Freund H, Schwieger W (2014)

Periodic open cellular structures with ideal cubic cell geometry: Effect of porosity and cell orientation on pressure drop behavior

Chemical Engineering Journal

Heidig T, Zeiser T, Schwieger W, Freund H (2014)

Ortsaufgelöste Simulation des externen Stofftransports in komplexen Katalysatorträgergeometrien

Chemie Ingenieur Technik

Hentschel Benjamin, Freund Hannsjörg, Sundmacher Kai (2014)

Modellbasierte Ermittlung der optimalen Reaktionsführung für integrierte Mehrphasenprozesse

Chemie Ingenieur Technik

Bianchil E, Heidig T, Visconti CG, Groppi G, Freund H, Tronconi E (2013)

Heat transfer properties of metal foam supports for structured catalysts: Wall heat transfer coefficient

Catalysis Today

Ye K, Freund H, Sundmacher K (2013)

A New Process for Azeotropic Mixture Separation by Phase Behavior Tuning Using Pressurized Carbon Dioxide

Industrial & Engineering Chemistry Research

Hampel U, Dittmeyer R, Patyk A, Wetzel T, Lange R, Freund H, Schwieger W, Grunewald M, Schluter M, Petasch U (2013)

The Helmholtz Energy Alliance "Energy Efficient Multiphase Chemical Processes"

Chemie Ingenieur Technik

Imam RA, Freund H, Guit RPM, Fellay C, Meier RJ, Sundmacher K (2013)

Evaluation of Different Process Concepts for the Indirect Hydration of Cyclohexene to Cyclohexanol

Organic Process Research & Development

Hampel Uwe, Dittmeyer Roland, Patyk Andreas, Wetzel Thomas, Lange Rüdiger, Freund Hannsjörg, Schwieger Wilhelm, Grünewald Marcus, Schlüter Michael, Petasch Uwe (2013)

Die Helmholtz-Energie-Allianz "Energieeffiziente Chemische Mehrphasenprozesse"

Chemie Ingenieur Technik

Chen L, Chen LF, Ye YM, Qi ZW, Freund H, Sundmacher K (2012)

Co-solvent intensification effect on aromatic alcohol oxidation

Catalysis Communications

Peschel A, Jorke A, Sundmacher K, Freund H (2012)

Optimal reaction concept and plant wide optimization of the ethylene oxide process

Chemical Engineering Journal

Bianchi E, Heidig T, Visconti CG, Groppi G, Freund H, Tronconi E (2012)

An appraisal of the heat transfer properties of metallic open-cell foams for strongly exo-/endo-thermic catalytic processes in tubular reactors

Chemical Engineering Journal

Ye KM, Freund H, Xie ZZ, Subramaniam B, Sundmacher K (2012)

Prediction of multicomponent phase behavior of CO2-expanded liquids using CEoS/GE models and comparison with experimental data

Journal of Supercritical Fluids

Zhou T, Chen L, Ye YM, Chen LF, Qi ZW, Freund H, Sundmacher K (2012)

An Overview of Mutual Solubility of Ionic Liquids and Water Predicted by COSMO-RS

Industrial & Engineering Chemistry Research

Zhou T, Wang ZY, Chen LF, Ye YM, Qi ZW, Freund H, Sundmacher K (2012)

Evaluation of the ionic liquids 1-alkyl-3-methylimidazolium hexafluorophosphate as a solvent for the extraction of benzene from cyclohexane: (Liquid plus liquid) equilibria

Journal of Chemical Thermodynamics

Peschel A, Hentschel B, Freund H, Sundmacher K (2012)

Design of optimal multiphase reactors exemplified on the hydroformylation of long chain alkenes

Chemical Engineering Journal

Peschel A, Jorke A, Freund H, Sundmacher K (2012)

Model-based development of optimal reaction concepts for plant wide process intensification

Computer Aided Chemical Engineering

Peschel A, Jörke A, Freund H, Sundmacher K (2012)

Model-Based Development of Optimal Reaction Concepts for Plant Wide Process Intensification

Computer Aided Chemical Engineering

Ye KM, Freund H, Sundmacher K (2011)

Modelling (vapour plus liquid) and (vapour plus liquid plus liquid) equilibria of {water (H2O) + methanol (MeOH) plus dimethyl ether (DME) plus carbon dioxide (CO2)} quaternary system using the Peng-Robinson EoS with Wong-Sandler mixing rule

Journal of Chemical Thermodynamics

Inayat A, Freund H, Schwab A, Zeiser T, Schwieger W (2011)

Predicting the Specific Surface Area and Pressure Drop of Reticulated Ceramic Foams Used as Catalyst Support

Advanced Engineering Materials

Inayat A, Schwerdtfeger J, Freund H, Korner C, Singer RF, Schwieger W (2011)

Periodic open-cell foams: Pressure drop measurements and modeling of an ideal tetrakaidecahedra packing

Chemical Engineering Science

Imam RA, Freund H, Sundmacher K (2011)

Dynamics of liquid-liquid systems based on linear thermodynamics of irreversible processes

Computers & Chemical Engineering

Freund H, Peschel A, Sundmacher K (2011)

Model-Based Reactor Design Based on the Optimal Reaction Route

Chemie Ingenieur Technik

Inayat A, Freund H, Zeiser T, Schwieger W (2011)

Determining the specific surface area of ceramic foams: The tetrakaidecahedra model revisited

Chemical Engineering Science

Peschel A, Karst F, Freund H, Sundmacher K. (2011)

Analysis and optimal design of an ethylene oxide reactor

Chemical Engineering Science

Peschel A, Hentschel B, Freund H, Sundmacher K (2011)

Optimal Reactor Design for the Hydroformylation of Long Chain Alkenes in Biphasic Liquid Systems

Computer Aided Chemical Engineering

Chen L, Zhou T, Chen LF, Ye YM, Qi ZW, Freund H, Sundmacher K (2011)

Selective oxidation of cyclohexanol to cyclohexanone in the ionic liquid 1-octyl-3-methylimidazolium chloride

Chemical Communications

Peschel A, Freund H, Sundmacher K (2010)

Methodology for the Design of Optimal Chemical Reactors Based on the Concept of Elementary Process Functions

Industrial & Engineering Chemistry Research

Freund H (2010)

Modellgestützter Reaktorentwurf auf der Basis der optimalen Reaktionsführung

Katariya A, Freund H, Sundmacher K (2009)

Two-Step Reactive Distillation Process for Cyclohexanol Production from Cyclohexene

Industrial & Engineering Chemistry Research

Steyer F, Freund H, Sundmacher K (2008)

A Novel Reactive Distillation Process for the Indirect Hydration of Cyclohexene to Cyclohexanol Using a Reactive Entrainer

Industrial & Engineering Chemistry Research

Freund H, Sundmacher K (2008)

Towards a methodology for the systematic analysis and design of efficient chemical processes Part 1. From unit operations to elementary process functions

Chemical Engineering and Processing

Freund H (2008)

Ortsaufgelöste Simulation von Transportprozessen in durchströmten Festbetten

Freund H., Bauer J., Zeiser Thomas, Emig Gerhard (2005)

Detailed simulation of transport processes in fixed-beds reactors

Industrial & Engineering Chemistry Research

Heinen Claudia, Tillich Joachim, Buggisch Hans, Zeiser Thomas, Freund Hannsjörg (2005)

MRI investigation and complementary numerical simulations of flow-through random bead packings with low aspect ratio

Magnetic Resonance Imaging

H. Freund, Zeiser Thomas, F. Huber, E. Klemm, G. Brenner, Durst Franz, G. Emig (2003)

Numerical simulations of single phase reacting flows in randomly packed fixed-bed reactors and experimental validation

Chemical Engineering Science

Zeiser T, Steven M, Freund H, Lammers P, Brenner G, Durst F, Bernsdorf J (2002)

Analysis of the flow field and pressure drop in fixed-bed reactors with the help of lattice Boltzmann simulations

Philosophical Transactions of the Royal Society A-Mathematical Physical and Engineering Sciences

Zeiser T, Freund H, Bernsdorf J, Brenner G, Durst F (2002)

CFD calculations of flow, dispersion and chemical reactions in fixed bed tubular reactors using the lattice Boltzmann method

Lecture Notes in Computational Science and Engineering

Zeiser Thomas, Freund Hannsjörg, Bernsdorf J., Lammers Peter, Brenner G., Durst Franz (2002)

Detailed simulation of transport processes in reacting multi-species flow through complex geometries by means of the Lattice Boltzmann method

Hess S, Freund H, Liauw M A, Emig G (2001)

Butane Oxidation to Maleic Anhydride over a VPO Catalyst Following the Riser Regenerator Approach

Studies in Surface Science and Catalysis

Prof. Dr.-Ing. Hannsjörg Freund

Publications