Lange, A. and Fieg, G. (2022). Designing Novel Structured Packings by Topology Optimization and Additive Manufacturing. 49. 1291--1296 [doi]
Luder, T.;Wozny, G.;Fieg, G.;Jeromin, L. (1990). Model based observations and control of distillation columns. [www]
2
Bohnenstädt, T.;Fieg, G. (2014). A methodical approach for energy efficiency analysis based on existing process models. 21st International Congress of Chemical and Process Engineering, CHISA 2014 and 17th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, PRES 2014. 4. [www]
Ratheins, M.;Fieg, G. (2018). Design of cost-optimal heat exchanger networks considering individual, match-dependent cost functions. 23rd International Congress of Chemical and Process Engineering, CHISA 2018 and 21st Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, PRES 2018. 2. [www]
A
Egger, T.;Fieg, G. (2017). Enzymatic catalyzed reactive dividing wall column: Experiments and model validation. AIChE Journal. 63. (6), 2198--2211 [doi][www]
Ehlers, C.;Egger, T.;Fieg, G. (2017). Experimental operation of a reactive dividing wall column and comparison with simulation results. AIChE Journal. 63. (3), 1036--1050 [doi][www]
Ehlers, C.;Fieg, G. (2014). Experimental validation of a flexible modeling approach for distillation columns with packings. AIChE Journal. 60. (11), 3833--3847 [doi][www]
Ehlers, C.;Schröder, M.;Fieg, G. (2015). Influence of heat transfer across the wall of dividing wall columns on energy demand. AIChE Journal. 61. (5), 1648--1662 [doi][www]
Johannsen, J.;Meyer, F.;Engelmann, C.;Liese, A.;Fieg, G.;Bubenheim, P.;Waluga, T. (2021). Multi-enzyme cascade reaction in a miniplant two-phase-system: Model validation and mathematical optimization. AIChE Journal. [doi]
Rathjens, M.;Fieg, G. (2020). A novel hybrid strategy for cost-optimal heat exchanger network synthesis suited for large-scale problems. Applied Thermal Engineering. 167. [doi][www]
Zitzewitz, P.;Fieg, G. (2017). Multi-objective optimization superimposed model-based process design of an enzymatic hydrolysis process. AIChE Journal. 63. (6), 1974--1988 [doi][www]
C
Ajmal, M.;Fieg, G. (2017). Intensification of Lipase-Catalyzed Esterification using Ultrasound: Process Engineering Perspectives. Chemie-Ingenieur-Technik. 89. (10), 1367--1373 [doi][www]
Ajmal, M.;Fieg, G.;Keil, F. (2016). Analysis of process intensification in enzyme catalyzed reactions using ultrasound. Chemical Engineering and Processing: Process Intensification. 110. 106--113 [doi][www]
Bohnenstädt, T.;Brandt, C.;Fieg, G.;Dietrich, W. (2014). Energy Integration Manager: A Workflow for Long Term Validity of Total Site Analysis and Heat Recovery Strategies. Computer Aided Chemical Engineering. 33. 1819--1824 [doi][www]
Bohnenstädt, T.;Fieg, G. (2014). A methodical approach for energy efficiency analysis based on existing process models. Chemical Engineering Transactions. 39. (Special Issue), 1411--1416 [doi][www]
Bohnenstädt, T.;Zimmermann, K.;Fieg, G. (2015). Optimisation of Process Parameters with Simultaneous Consideration of Energy Efficiency Measures. Computer Aided Chemical Engineering. 37. 749--754 [doi][www]
Brandt, C.;Fieg, G.;Luo, X.;Engel, O. (2012). New method for large-scale heat exchanger network synthesis. Computer Aided Chemical Engineering. 31. 695--699 [doi][www]
Buck, C.;Fieg, G. (2012). Platform for the design of process control structures of dividing wall columns [Entwicklungsplattform zum entwurf von prozessf’hrungskonzepten für trennwandkolonnen]. Chemie-Ingenieur-Technik. 84. (11), 2005--2013 [doi][www]
Buck, C.;Hiller, C.;Fieg, G. (2011). Applying Model Predictive Control to Dividing Wall Columns. Chemical Engineering and Technology. 34. (5), 663--672 [doi][www]
Buck, C.;Hiller, C.;Fieg, G. (2011). Decentralized temperature control of a pilot dividing wall column. Chemical Engineering and Processing: Process Intensification. 50. (2), 167--180 [doi][www]
Egger, L. S.;Fieg, G. (2017). Decentralized process control of reactive dividing wall columns. Chemical Engineering Transactions. 57. 1693--1698 [doi][www]
Egger, L. S.;Fieg, G. (2019). Process control for energy efficient operation of reactive dividing wall columns. Chemical Engineering Research and Design. 144. 397--404 [doi][www]
Egger, L. S.;Fieg, G. (2020). Experimental Investigation of Decentralized Process Control for Reactive Dividing-Wall Columns. Chemical Engineering and Technology. 43. (5), 964--973 [doi][www]
Egger, L. S.;Fieg, G. (2018). New process control concepts for energy efficient operation of reactive dividing wall columns. Chemical Engineering Transactions. 69. 541--546 [doi][www]
Egger, T.;Egger, L. S.;Fieg, G. (2018). Scale and causes of catalyst activity loss in enzymatic catalyzed reactive distillation. Chemical Engineering Science. 178. 324--334 [doi][www]
Egger, T.;Fieg, G. (2019). Operation, validation and model comparison for a reactive dividing wall column. Chemical Engineering Science. 207. 993--1006 [doi][www]
Egger, T.;Fieg, G. (2018). Dynamic process behavior and model validation of reactive dividing wall columns. Chemical Engineering Science. 179. 284--295 [doi][www]
Egger, T.;Hiller, C.;Fieg, G. (2018). Experimental Studies of a Petlyuk Column and Validation of a Non-Equilibrium Stage Model. Chemical Engineering and Technology. 41. (4), 827--835 [doi][www]
Ehlers, C.;Mohr, M.;Hiller, C.;Rix, A.;Fieg, G. (2016). Vorhersage der Trennleistung von FüllkÖrpern im Bereich der Rektifikation mit einem reduzierten Stofftransportansatz. Chemie-Ingenieur-Technik. 88. (9), 1283--1284 [doi][www]
Ehlers, C.;Schroeder, M.;Fieg, G. (2018). Solution to Lestak’s heat transfer problem for dividing wall columns and implications for practical operation. Chemical Engineering Transactions. 69. 463--468 [doi][www]
Engelmann, C.;Ekambaram, N.;Johannsen, J.;Fellechner, O.;Waluga, T.;Fieg, G.;Liese, A.;Bubenheim, P. (2020). Enzyme Immobilization on Synthesized Nanoporous Silica Particles and their Application in a Bi-enzymatic Reaction. ChemCatChem. 12. (8), 2245--2252 [doi][www]
Engelmann, C.;Johannsen, J.;Waluga, T.;Fieg, G.;Liese, A.;Bubenheim, P. (2020). A multi-enzyme cascade for the production of highvalue aromatic compounds. Catalysts. 10. (10), 1--13 [doi][www]
Ernst, P.;Zimmermann, K.;Fieg, G. (2017). Multi-objective Optimization-Tool for the Universal Application in Chemical Process Design. Chemical Engineering and Technology. 40. (10), 1867--1875 [doi][www]
Fieg, G. (2002). Composition control of distillation columns with a sidestream by using gas chromatographs. Chemical Engineering and Processing. 41. (2), 123--133 [doi][www]
Fieg, G. (2005). Design and analysis of an integral startup system for distillation columns. Chemical Engineering Research and Design. 83. (5 A), 445--451 [doi][www]
Fieg, G.;Gao, Y.-M.;Luo, X. (2009). Modeling of separation process in a chromatographic column packed with porous adsorbents. Computer Aided Chemical Engineering. 26. 219--223 [doi][www]
Fieg, G.;Gutermuth, W.;Kothe, W.;Mayer, H. H.;Nagel, S.;Wendeler, H.;Wozny, G. (1995). A standard interface for use of thermodynamics in process simulation. Computers and Chemical Engineering. 19. (SUPPL. 1), 317--320 [doi][www]
Fieg, G.;Gutermuth, W.;Kothe, W.;Mayer, H.?H.;Nagel, S.;Wendeler, H.;Wozny, G. (1995). Programmierrichtlinien FORTRAN und C der IK?CAPE. Chemie Ingenieur Technik. 67. (4), 479--481 [doi][www]
Fieg, G.;Hou, X.-R.;Luo, X.;Ma, H.-G. (2009). The optimal design of heat exchanger networks considering heat exchanger types. Computer Aided Chemical Engineering. 26. 659--664 [doi][www]
Fieg, G.;Landwehr, B.;Wozny, G. (1996). About the possibility of a direct concentration control for distillation columns. Chemical Engineering and Technology. 19. (4), 299--307 [doi][www]
Fieg, G.;Luo, X.;Jezowski, J. (2009). A monogenetic algorithm for optimal design of large-scale heat exchanger networks. Chemical Engineering and Processing: Process Intensification. 48. (11-12), 1506--1516 [doi][www]
Fieg, G.;Wozny, G.;Buick, K.;Jeromin, L. (1993). Sensitivitätsanalyse der Sprühtrocknung mittels eines Simulationsprogramms. Chemie Ingenieur Technik. 65. (11), 1372--1375 [doi][www]
Fieg, G.;Wozny, G.;Buick, K.;Jeromin, L. (1994). Estimation of the drying rate and moisture profiles in an industrial spray dryer by means of experimental investigations and a simulation study. Chemical Engineering & Technology. 17. (4), 235--241 [doi][www]
Fieg, G.;Wozny, G.;Jeromin, L. (1992). Experimental and theoretical studies of the steady-state and dynamic behaviour of packed columns. Chemical Engineering and Processing. 31. (6), 377--383 [doi][www]
Fieg, G.;Wozny, G.;Jeromin, L.;Kruse, C. (1994). Comparison of the dynamic behaviour of packed and plate distillation columns. Chemical Engineering & Technology. 17. (5), 301--306 [doi][www]
Fieg, G.;Wozny, G.;Kruse, Chr. (1993). Experimental and theoretical studies of the dynamics of startup and product switchover operations of distillation columns. Chemical Engineering and Processing. 32. (5), 283--290 [doi][www]
Flender, M.;Fieg, G.;Wozny, G. (1996). Classification of New Product changeover Strategy (NPS) for different application of distillation columns. Computers and Chemical Engineering. 20. (SUPPL.2), S1131-S1136 [doi][www]
Gruetzmann, S.;Fieg, G. (2007). Integrale Analyse der Batch-rektifikation mit Mittelbehälter. Chemie-Ingenieur-Technik. 79. (10), 1613--1624 [doi][www]
Gruetzmann, S.;Fieg, G.;Kapala, T. (2006). Theoretical analysis and operating behaviour of a middle vessel batch distillation with cyclic operation. Chemical Engineering and Processing: Process Intensification. 45. (1), 46--54 [doi][www]
Gruetzmann, S.;Kapala, T.;Fieg, G. (2006). Dynamic modelling of complex batch distillation starting from ambient conditions. Computer Aided Chemical Engineering. 21. (C), 865--870 [doi][www]
Gruetzmann, S.;Temprano, M.;Kapala, T.;Fieg, G. (2005). Command concepts to minimize the process time of cyclic batch rectification [Führungskonzepte zur Minimierung der Prozessdauer der zyklischen Batch-Rektifikation]. Chemie-Ingenieur-Technik. 77. (8), 1101--1102 [doi][www]
Hagedorn, A.;Fieg, G.;Winter, D.;Koschikowski, J.;Mann, T. (2017). Methodical design and operation of membrane distillation plants for desalination. Chemical Engineering Research and Design. 125. 265--281 [doi][www]
Harding, L.-S.;Fieg, G. (2020). Energy saving potential of reactive dividing wall columns with azeotropic reaction systems. Chemical Engineering Science. 227. [doi][www]
Harding, L.-S.;Fieg, G. (2018). Energy minimum design and systematic analysis of the reactive dividing wall column. Chemical Engineering Transactions. 69. 583--588 [doi][www]
Harding, L.-S.;Schroeder, M.;Fieg, G. (2018). Hybrid Global Optimization Method for the Analysis of Integrated Reaction and Separation Processes. Computer Aided Chemical Engineering. 44. 1027--1032 [doi][www]
Hartig, D.;Waluga, T.;Schmidt, C.;Fieg, G.;Scholl, S. (2017). Extended Elution by Characteristic Point Method for Characterization of Protein Ion-Exchange Adsorption. Chemical Engineering and Technology. 40. (10), 1940--1945 [doi][www]
Horsch, A. S. and Hamann, D. and Egger, L. S. and Fieg, G. and Skiborowski, M. (2022). Demonstration of applied linear model predictive control for an enzymatic reactive dividing wall column. Chemical Engineering Research and Design. 178. 251--266 [doi]
Johannsen, J.;Engelmann, C.;Liese, A.;Fieg, G.;Bubenheim, P.;Waluga, T. (2020). Pilot-scale operation of a multi-enzymatic cascade reaction in a multiphase system. Chemical Engineering Transactions. 79. 25--30 [doi][www]
Johannsen, J.;Meyer, F.;Fieg, G.;Waluga, T. (2020). Process for the Preparation of Fatty Aldehydes from Renewable Resources. Chemie-Ingenieur-Technik. 92. (6), 777--781 [doi][www]
Josten, H.;Fieg, G.;Gutsche, B.;Johannisbauer, W. (2004). Urea precipitation as a competitive separation process for difficult separations in oleochemistry [Harnstofffällung als konkurrenzfähiges Trennverfahren für schwierige Stofftrennungen in der Oleochemie]. Chemie-Ingenieur-Technik. 76. (11), 1700--1703 [doi][www]
Krause, P.;Fieg, G. (2012). Influence of the organic phase fraction in the biphasic organic-aqueous reactor feed stream on the enzymatic hydrolysis of FAME in a packed bed. Computer Aided Chemical Engineering. 31. 730--734 [doi][www]
Krause, P.;Fieg, G. (2012). Applicability of a simple laboratory setup for the extractive hydrolysis using immobilized enzymes. Chemical Engineering and Processing: Process Intensification. 60. 77--85 [doi][www]
Krause, P.;Fieg, G. (2011). Experiment based model development for the enzymatic hydrolysis in a packed-bed reactor with biphasic reactant flow. Chemical Engineering Science. 66. (20), 4838--4850 [doi][www]
Krause, P.;MacIas, R.;Fieg, G.;Gutsche, B. (2009). Method for determination of the reaction kinetics of an enzymatic conversion in a heterogeneous system. Computer Aided Chemical Engineering. 26. 1081--1085 [doi][www]
Kruse, C.;Fieg, G.;Wozny, G.;Jeromin, L. (1995). Algorithmus zur Reduzierung des Zeitbedarfs bei Anfahrvorgängen an Rektifikationskolonnen. Chemie Ingenieur Technik. 67. (4), 458--461 [doi][www]
Kruse, Ch.;Fieg, G.;Wozny, G.;Jeromin, L. (1995). Industrial realization of time-optimal strategies for product changeover operations of coupled distillation columns. Computers and Chemical Engineering. 19. (SUPPL. 1), 603--608 [doi][www]
Leipold, M.;Fieg, G. (2011). Enzymatically catalyzed fixed bed reactions - Modeling and simulation [Enzymatisch katalysierte reaktionen im festbettreaktor - modellierung und simulation]. Chemie-Ingenieur-Technik. 83. (3), 340--348 [doi][www]
Leipold, M.;Gruetzmann, S.;Fieg, G. (2009). An evolutionary approach for multi-objective dynamic optimization applied to middle vessel batch distillation. Computers and Chemical Engineering. 33. (4), 857--870 [doi][www]
Leipold, M.;Gruetzmann, S.;Fieg, G.;Maschmeyer, D.;Sauer, J.;Wiederhold, H. (2008). Development of a sophisticated framework for complex single-and multi-objective optimization tasks. Computer Aided Chemical Engineering. 25. 695--700 [doi][www]
Liang, J.;Fieg, G. (2013). A combination of experiments and molecular dynamics simulation for the investigation of the ion-exchange adsorption of biological macromolecules. Computer Aided Chemical Engineering. 32. 25--30 [doi][www]
Liang, J.;Fieg, G.;Jakobtorweihen, S. (2014). Molecular dynamics simulations of competitive protein adsorption onto chromatographic media. Computer Aided Chemical Engineering. 33. 937--942 [doi][www]
Liang, J.;Fieg, G.;Jakobtorweihen, S. (2015). Ion-Exchange Adsorption of Proteins: Experiments and Molecular Dynamics Simulations. Chemie-Ingenieur-Technik. 87. (7), 903--909 [doi][www]
Luo, X.;Fieg, G.;Cai, K.;Guan, X. (2009). Synthesis of large-scale heat exchanger networks by a monosenetic algorithm. Computer Aided Chemical Engineering. 27. (C), 729--734 [doi][www]
Luo, X.;Wen, Q.-Y.;Fieg, G. (2009). A hybrid genetic algorithm for synthesis of heat exchanger networks. Computers and Chemical Engineering. 33. (6), 1169--1181 [doi][www]
Meyer, F.;Johannsen, J.;Liese, A.;Fieg, G.;Bubenheim, P.;Waluga, T. (2021). Evaluation of process integration for the intensification of a biotechnological process. Chemical Engineering and Processing - Process Intensification. 108506 [doi]
Neidert, M.;Fieg, G.;Ridinger, R. (1998). BatchMan - Ein anwendungsorientiertes Softwareprodukt zur Analyse von Batchprozessen. Chemie-Ingenieur-Technik. 70. (7), 846--849 [doi][www]
Niggemann, G.;Hiller, C.;Fieg, G. (2011). Modeling and in-depth analysis of the start-up of dividing-wall columns. Chemical Engineering Science. 66. (21), 5268--5283 [doi][www]
Numrich, R.;Möller, K.;Fieg, G. (1996). Simulation eines industriellen Fallfilmverdampfers zur Verdampfung von Mehrstoffgemischen. Chemie-Ingenieur-Technik. 68. (11), 1466--1469 [doi][www]
Ranong, C. N.;Höhne, M.;Franzen, J.;Hapke, J.;Fieg, G.;Dornheim, M. (2009). Model supported process engineering calculation of a metal hydride storage based on sodium alanate on pilot scale [Modellgestützte verfahrenstechnische berechnung eines metallhydridspeichers auf natriumalanatbasis im technikumsmaßstab]. Chemie-Ingenieur-Technik. 81. (5), 645--654 [doi][www]
Rathjens, M.;Fieg, G. (2018). Design of cost-optimal heat exchanger networks considering individual, match-dependent cost functions. Chemical Engineering Transactions. 70. 601--606 [doi][www]
Rave, A.;Kuwertz, R.;Fieg, G.;Heck, J. (2019). Characterization of a Modular, Scalable Millistructured Plate Reactor. Chemie-Ingenieur-Technik. 91. (5), 602--606 [doi][www]
Rave, A.;Kuwertz, R.;Fieg, G.;Heck, J. (2020). Modeling and experimental investigation of the spatial heat transfer in a plate reactor with meandering millichannels. Chemical Engineering and Processing - Process Intensification. 150. [doi][www]
Remberg, C.;Fett, F. N.;Wozny, G.;Fieg, G.;Blaich, L. (1995). Entwicklung eines Beratungssystems zum Entwurf von Automatisierungskonzepten für Rektifikationskolonnen. Chemie Ingenieur Technik. 67. (7), 866--870 [doi][www]
Schneider, R.;Wozny, G.;Fieg, G. (1997). Optimization of an industrial three phase distillation column train with experimental verification. Computers and Chemical Engineering. 21. (SUPPL.1), S1131-S1136 [doi][www]
Schröder, M.;Ehlers, C.;Fieg, G. (2016). A Comprehensive Analysis on the Reactive Dividing-Wall Column, its Minimum Energy Demand, and Energy-Saving Potential. Chemical Engineering and Technology. 39. (12), 2323--2338 [doi][www]
Schröder, M.;Fieg, G. (2016). Influence of Reaction System Properties on the Energy Saving Potential of the Reactive Dividing-Wall Column: Separation Properties. Chemical Engineering and Technology. 39. (12), 2265--2272 [doi][www]
Stegner, C.;Brandt, C.;Fieg, G. (2014). EVHE - A new method for the synthesis of HEN. Computers and Chemical Engineering. 64. 95--102 [doi][www]
Vargas, M. A.;Fieg, G. (2012). Simulation study of alternatives for the efficient start-up of dividing-wall distillation column sequences. Computer Aided Chemical Engineering. 31. 750--754 [doi][www]
Vargas, M. A.;Niggemann, G.;Fieg, G. (2009). Dynamic modeling and simulation of dividing-wall distillation column systems. Computer Aided Chemical Engineering. 27. (C), 639--644 [doi][www]
Wozny, G.;Fieg, G.;Jeromin, L.;Köhne, M.;Gülich, H. (1989). Design and analysis of a state observer for the temperature front of a retification column. Chemical Engineering & Technology. 12. (1), 339--344 [doi][www]
Wozny, G.;Fieg, G.;Kratz, G. (1988). Ermittlung der Automatisierungsstruktur von thermischen Trennprozessen. Chemie Ingenieur Technik. 60. (10), 788--789 [doi][www]
Zimmermann, K.;Fieg, G. (2018). Global Optimization of Superstructures and Decision Support via a universally applicable Optimization Tool. Computer Aided Chemical Engineering. 44. 763--768 [doi][www]
Zimmermann, K.;Fieg, G. (2017). Development of a Diversity-Preserving Strategy for the Pareto Optimization in Chemical Process Design. Chemie-Ingenieur-Technik. 89. (10), 1297--1305 [doi][www]
Zitzewitz, P.;Fieg, G. (2015). Holistic analysis of three-phasic enzymatic reaction systems using continuous liquid-liquid phase separation [Ganzheitliche Analyse dreiphasiger enzymatischer Reaktionssysteme mittels kontinuierlicher Flüssig-Flüssig-Phasentrennung]. Chemie-Ingenieur-Technik. 87. (6), 746--755 [doi][www]
{Na Ranong}, C.;Höhne, M.;Franzen, J.;Hapke, J.;Fieg, G.;Dornheim, M.;Eigen, N.;{Bellosta Von Colbe}, J. M.;Metz, O. (2009). Concept, design and manufacture of a prototype hydrogen storage tank based on sodium alanate. Chemical Engineering and Technology. 32. (8), 1154--1163 [doi][www]
{Na Ranong}, C.;Lozano, G.;Hapke, J.;Roetzel, W.;Fieg, G.;{Bellosta Von Colbe}, J. M. (2011). Application of Danckwerts-type boundary conditions to the modeling of the thermal behavior of metal hydride reactors. Chemical Engineering Science. 66. (20), 4654--4662 [doi][www]
D
Hagedorn, A.;Fieg, G.;Winter, D.;Koschikowski, J.;Grabowski, A.;Mann, T. (2017). Membrane and spacer evaluation with respect to future module design in membrane distillation. Desalination. 413. 154--167 [doi][www]
E
Lawen, J.;Yu, H.;Fieg, G.;Abdel-Wahab, A.;Bhatelia, T. (2014). New Unstructured Mesh Water Quality Model for Cooling Water Biocide Discharges. Environmental Modeling and Assessment. 19. (1), 1--17 [doi][www]
Rathjens, M.;Fieg, G. (2019). Cost-optimal heat exchanger network synthesis based on a flexible cost functions framework. Energies. 12. (5), [doi][www]