Author Publications

2008

Al-Haj Ali, M. and Stoomer, J. and Betlem, B. and Weickert, G. and Roffel, B. (2008) Molecular weight distribution broadening of polypropylene by periodic switching of hydrogen and catalyst additions. Journal of Applied Polymer Science, 108 (4). pp. 2446-2457. ISSN 0021-8995

Zondervan, Edwin and Betlem, Ben H.L. and Blankert, Bastiaan and Roffel, Brian (2008) Modeling and optimization of a sequence of chemical cleaning cycles in dead-end ultrafiltration. Journal of Membrane Science, 308 (1-2). pp. 207-217. ISSN 0376-7388

Zondervan, Edwin and Blankert, Bastiaan and Betlem, Ben H.L. and Roffel, Brian (2008) Development of a multi-objective coagulation system for long-term fouling control in dead-end ultrafiltration. Journal of Membrane Science, 325 (2). pp. 823-830. ISSN 0376-7388

2007

Al-haj Ali, M. and Betlem, B. and Weickert, G. and Roffel, B. (2007) Non-linear model based control of a propylene polymerization reactor. Chemical Engineering and Processing, 46 (6). pp. 554-564. ISSN 0255-2701

Ali, Mohammad Al-haj and Betlem, Ben and Roffel, Brian and Weickert, Günter (2007) Estimation of the Polymerization Rate of Liquid Propylene Using Adiabatic Reaction Calorimetry and Reaction Dilatometry. Macromolecular Reaction Engineering, 1 (3). pp. 353-363. ISSN 1862-832X

Blankert, Bastiaan and Betlem, Ben H.L. and Roffel, Brian (2007) Development of a control system for in-line coagulation in an ultrafiltration process. Journal of Membrane Science, 301 (1-2). pp. 39-45. ISSN 0376-7388

Blankert, Bastiaan and Kattenbelt, Carolien and Betlem, Ben H.L. and Roffel, Brian (2007) Dynamic optimization of a dead-end filtration trajectory: non-ideal cake filtration. Journal of Membrane Science, 290 (1-2). pp. 114-124. ISSN 0376-7388

Klein Entink, R.H. and Fox, J.-P. and Betlem, B.H.L. and Roffel, B. (2007) Hierarchical process modeling: describing within-run and between-run variations. Journal of Process Control, 17 (4). pp. 349-361. ISSN 0959-1524

Zondervan, Edwin and Zwijnenburg, Arie and Roffel, Brian (2007) Statistical analysis of data from accelerated ageing tests of PES UF membranes. Journal of Membrane Science, 300 (1-2). pp. 111-116. ISSN 0376-7388

2006

Al-haj Ali, M. and Betlem, B. and Roffel, B. and Weickert, G. (2006) Hydrogen response in liquid propylene polymerization: Towards a generalized model. AIChE Journal, 52 (5). pp. 1866-1876. ISSN 0001-1541

Blankert, Bastiaan and Betlem, Ben H.L. and Roffel, Brian (2006) Dynamic optimization of dead-end membrane filtration. In: 16th European Symposium on Computer Aided Process Engineering, 9-13 July 2006, Garmisch-Partenkirchen, Germany.

Blankert, Bastiaan and Betlem, Ben H.L. and Roffel, Brian (2006) Dynamic optimization of a dead-end filtration trajectory: blocking filtration laws. Journal of Membrane Science, 285 (1-2). pp. 90-95. ISSN 0376-7388

Zondervan, Edwin and Betlem, Ben H.L. and Roffel, Brian (2006) Development of a dynamic model for cleaning ultra filtration membranes fouled by surface water. Journal of Membrane Science, 289 (1-2). pp. 26-31. ISSN 0376-7388

2004

Betlem, Ben H.L. and Roffel, Brian (2004) Optimisation of cyclic operation by recycles. In: European Symposium on Computer-Aided Process Engineering-14, 37th European Symposium of the Working Party on Computer-Aided Process Engineering. Computer Aided Chemical Engineering, 18 . Elsevier, pp. 583-588. ISBN 9780444516947

2003

Lith van, Pascal F. and Betlem, Ben H.L. and Roffel, Brian (2003) Combining prior knowledge with data driven modeling of a batch distillation column including start-up. Computers & Chemical Engineering, 27 (7). pp. 1021-1030. ISSN 0098-1354

Roffel, Brian and Betlem, Ben H.L. and Blouw de, R.M. (2003) A comparison of the performance of profile position and composition estimators for quality control in binary distillation. Computers & Chemical Engineering, 27 (2). pp. 199-210. ISSN 0098-1354

Roffel, Brian and Boer de, Wouter W. (2003) Analysis of power and frequency control requirements in view of increased decentralized production and market liberalization. Control Engineering Practice, 11 (4). pp. 367-375. ISSN 0967-0661

2002

Betlem, Ben H.L. and Mulder, Pieter and Roffel, Brian (2002) Optimal mode of operation for biomass production. Chemical Engineering Science, 57 (14). pp. 2799-2809. ISSN 0009-2509

Lith van, Pascal and Betlem, Ben and Roffel, Brian (2002) Fuzzy Clustering, Genetic Algorithms and Neuro-Fuzzy Methods Compared for Hybrid Fuzzy-First Principles Modeling. Systems Analysis Modelling Simulation, 42 (4). pp. 597-630. ISSN 0232-9298

Lith van, Pascal F. and Betlem, Ben H.L. and Roffel, Brian (2002) A structured modeling approach for dynamic hybrid fuzzy-first principles models. Journal of Process Control, 12 . pp. 605-615. ISSN 0959-1524

2001

Lith van, P. F. and Witteveen, H. and Betlem, B.H.L. and Roffel, B. (2001) Multiple nonlinear parameter estimation using PI feedback control. Control Engineering Practice, 9 (5). pp. 517-531. ISSN 0967-0661

2000

Roffel, B. and Betlem, B.H.L. and Ruijter, J.A. (2000) First principles dynamic modeling and multivariable control of a cryogenic distillation process. Computers & Chemical Engineering, 24 (1). pp. 111-123. ISSN 0098-1354

1996

Bruin de, H.A.E. and Roffel, B. (1996) A new identification method for fuzzy linear models of non-linear dynamic systems. Journal of Process Control, 6 (5). pp. 277-293. ISSN 0959-1524

1979

Roffel, B. and Fontein, H.J. (1979) Constraint control of distillation processes. Chemical Engineering Science, 34 (8). pp. 1007-1018. ISSN 0009-2509

1974

Roffel, B. and Rijnsdorp, J.E. (1974) Dynamics and control of a gas-fired furnace. Chemical Engineering Science, 29 (10). pp. 2083-2092. ISSN 0009-2509