Prof Dr, W. J. Briels, A. Rinzema, Prof Dr, D. J. Tildesly, ...
Numerical modeling and Experimental validation ter verkrijging van de graad van Doctor op gezag van de rector magnificus van Wageningen Universiteit, prof. dr. ir. L. Speelman
Sawalha, H.I.M., Purwanti, N, Rinzema, A., Boom, R.M.
Polylactide microspheres were prepared by pre-mix membrane emulsification and subsequent extraction of solvent in a coagulation bath, and ultimately to the gas phase. The polymer was dissolved in...
Sawalha, H.I.M., Purwanti, N, Rinzema, A., Boom, R.M.
Polylactide microspheres were prepared by pre-mix membrane emulsification and subsequent extraction of solvent in a coagulation bath, and ultimately to the gas phase. The polymer was dissolved in...
Microbiology of synthesis gas fermentation for biofuel production (2007)
Henstra, A.M., Sipma, J., Rinzema, A., Stams, A.J.M.
A significant portion of biomass sources like straw and wood is poorly degradable and cannot be converted to biofuels by microorganisms. The gasification of this waste material to produce synthesis...
A two-phase kinetic model for fungal growth in solid-state cultivation (2007)
Hamidi-Esfahani, Z., Hejazi, P., Abbas Shojaosadati, S., Hoogschagen, M.J., Vasheghani-Farahani, E., Rinzema, A.
A new two-phase kinetic model including exponential and logistic models was applied to simulate the growth rate of fungi at various temperatures. The model parameters, expressed as a function of...
Rahardjo, Y.S.P., Tramper, J., Rinzema, A.
Solid-state fermentation (SSF) is accompanied inevitably by development of concentration and temperature gradients within the substrate particles and microbial biofilms. These gradients are needed...
Rahardjo, Y.S.P., Sie, S., Weber, F.J., Tramper, J., Rinzema, A.
Oxygen transfer in the fungal mat is a major concern in solid-state fermentation (SSF). Oxygen supply into the mycelial layers is hampered by diffusion limitation. For aerobic fungi, like Aspergillus...
Rahardjo, Y.S.P., Weber, F.J., Haemers, S., Tramper, J., Rinzema, A.
Aspergillus oryzae is commonly used in solid-state fermentation (SSF) and forms abundant aerial mycelia. Previously, we have shown that aerial mycelia are extremely important for the respiration of...
Rahardjo, Y.S.P., Jolink, F., Haemers, S., Tramper, J., Rinzema, A.
In this paper, the effects of bed porosity, bran and specific surface area on the oxygen uptake rate and ¿-amylase production during growth of Aspergillus oryzae on wheat grain and wheat¿flour...
Fluidized-bed and packed-bed characteristics of gel beads (2005)
Tramper, J., Rinzema, A., Beeftink, H.H.
A liquid-fluidized bed or packed bed with gel beads is attractive as an immobilized-cell bioreactor. The performance of such bioreactors is influenced by the physical behavior of these beads. Three...
Jones, E.E., Weber, F.J., Oostra, J., Rinzema, A., Mead, A., Whipps, J.M.
Conidial germination and novel sand- and soil-based sclerotial parasitism assays were used to test the quality of conidial inoculum of the biocontrol agent Coniothyrium minitans IVT1 produced in...
Polyol accumulation by Aspergillus oryzae at low water activity in solid-state fermentation (2004)
Ruijter, G.J.G., Visser, J., Rinzema, A.
Polyol accumulation and metabolism were examined in Aspergillus oryzae cultured on whole wheat grains or on wheat dough as a model for solid-state culture. In solid-state fermentation (SSF), water...
Hamidi-Esfahani, Z., Shojaosadati, S.A., Rinzema, A.
In the present work a two factorial design of experiments was applied to study the simultaneous effect of temperature and moisture on A. niger growth in the solid-state fermentation (SSF). The...
Schutyser, M.A.I., Briels, W.J., Boom, R.M., Rinzema, A.
The development of mathematical models facilitates industrial (large-scale) application of solid-state fermentation (SSF). In this study, a two-phase model of a drum fermentor is developed that...
Limitations of membrane cultures as a model solid-state fermentation system (2004)
Rahardjo, Y.S.P., Korona, D., Haemers, S., Weber, F.J., Tramper, J., Rinzema, A.
Aims: To examine the reliability of membrane cultures as a model solid-state fermentation (SSF) system. Methods and Results: In overcultures of Aspergillus oryzae on sterilized wheat flour discs...
Schutyser, M.A.I., Briels, W.J., Boom, R.M., Rinzema, A.
The development of mathematical models facilitates industrial (large-scale) application of solid-state fermentation (SSF). In this study, a two-phase model of a drum fermentor is developed that...
Heat and water transfer in a rotating drum containing solid substrate particles (2003)
Schutyser, M.A.I., Weber, F.J., Briels, W.J., Rinzema, A., Boom, R.M.
In previous work we reported on the simulation of mixing behavior of a slowly rotating drum for solid-state fermentation (SSF) using a discrete particle model. In this investigation the discrete...
Schutyser, M.A.I., Weber, F.J., Briels, W.J., Boom, R.M., Rinzema, A.
Solid-state fermentation (SSF) is prone to process failure due to channeling caused by evaporative cooling and the formation of an interparticle mycelium network. Mixing is needed to break the...
Biochemical engineering of solid-state fermentation (2003)
Weber, F.J., Oostra, J., Nagel, F.J.I., Schutyser, M.A.I., Hoogschagen, M.J., Rahardjo, Y.S.P., ...
Schutyser, M.A.I., Pagter De, P., Weber, F.J., Briels, W.J., Boom, R.M., Rinzema, A.
Solid-state fermentation (SSF) is prone to process failure due to channeling caused by evaporative cooling and the formation of an interparticle mycelium network. Mixing is needed to break the...
Schutyser, M.A.I., Briels, W.J., Rinzema, A., Boom, R.M.
Helical-blade solids mixers have a large potential as bioreactors for solid-state fermentation (SSF). Fundamental knowledge of the flow and mixing behavior is required for robust operation of these...
Heat and water transfer in a rotating drum containing solid substrate particles (2003)
Schutyser, M.A.I., Weber, F.J., Briels, W.J., Rinzema, A., Boom, R.M.
In previous work we reported on the simulation of mixing behavior of a slowly rotating drum for solid-state fermentation (SSF) using a discrete particle model. In this investigation the discrete...
Weber, F.J., Oostra, J., Tramper, J., Rinzema, A.
We have validated our previously described model for scale-up of packed-bed solid-state fermenters (Weber et al., 1999) with experiments in an adiabatic 15-dm3 packed-bed reactor, using the fungi...
Schutyser, M.A.I., Weber, F.J., Briels, W.J., Boom, R.M., Rinzema, A.
A previously published two-dimensional discrete particle simulation model for radial mixing behavior of various slowly rotating drums for solid-state fermentation (SSF) has been extended to a...
Distinct element modelling of rotating solid-state fermenters (2002)
Schutyser, M.A.I., Weber, F.J., Briels, W.J., Boom, R.M., Rinzema, A.
Nagel, F.J., Tramper, J., Rinzema, A.
Gradients inside substrate particles cannot be prevented in solid-state fermentation. These gradients can have a strong effect on the physiology of the microorganisms but have hitherto received...
Ruijter, G., Rahardjo, Y.S.P., Hoogschagen, M.J., Heerikhuisen, M., Levin, A., ...
We report the progress of a multi-disciplinary research project on solid-state fermentation (SSF) of the filamentous fungus Aspergillus oryzae. The molecular and physiological aspects of the fungus...
Ruijter, G., Rahardjo, Y.S.P., Hoogschagen, M.J., Heerikhuisen, M., Levin, A., ...
We report the progress of a multi-disciplinary research project on solid-state fermentation (SSF) of the filamentous fungus Aspergillus oryzae. The molecular and physiological aspects of the fungus...
Schutyser, M.A.I., Weber, F.J., Briels, W.J., Boom, R.M., Rinzema, A.
A previously published two-dimensional discrete particle simulation model for radial mixing behavior of various slowly rotating drums for solid-state fermentation (SSF) has been extended to a...
Temperature control in a continuously mixed bioreactor for solid-state fermentation (2001)
Tramper, J., Bakker, M.S.N., Rinzema, A.
A continuously mixed, aseptic paddle mixer was used successfully for solid-state fermentation (SSF) with Aspergillus oryzae on whole wheat kernels. Continuous mixing improved temperature control and...
Model for on-line moisture-content control during solid-state fermentation (2001)
Tramper, J., Bakker, M.S.N., Rinzema, A.
In this study we describe a model that estimates the extracellular (nonfungal) and overall water contents of wheat grains during solid-state fermentation (SSF) with Aspergillus oryzae, using on-line...
Influence of wheat type ad pretreatment on fungal growth in solid-state fermentation (2001)
Hoogschagen, M., Zhu, Y., Tramper, J., Rinzema, A.
The respiration kinetics of Aspergillus oryzae on different varieties of whole wheat kernels were studied. Six wheat varieties were pretreated in two different ways. Five of the six substrates...
Intra-particle oxygen diffusion limitation in solid-state fermentation (2001)
Oostra, J., Tramper, J., Rinzema, A.
Oxygen limitation in solid-state fermentation (SSF) has been the topic of modeling studies, but thus far, there has been no experimental elucidation on oxygen-transfer limitation at the particle...
Schutyser, M.A.I., Padding, J.T., Weber, F.J., Briels, W.J., Rinzema, A., Boom, R.
A soft-sphere discrete particle model was used to simulate mixing behavior of solid substrate particles in a slow rotating drum for solid-state fermentation. In this approach, forces acting on and...
Antoine, N., Buitelaar, R.M., Oostra, J., Rinzema, A., Weber, F.J.
Biological control agents (BCAs) are potential alternatives for the chemical fungicides presently used in agriculture to fight plant diseases. Coniothyrium minitans is an example of a promising...
Ontwikkeling van een simulatiemodel voor onderzoek, Vastestoffermentatie (2001)
Schutyser, M.A.I., Weber, F.J., Briels, W., Rinzema, A., Boom, R.M.
Voor de productie van verschillende enzymen en secundaire metabolieten kan SSF beter zijn dan de conventionele vloeistoffermentatie. Met de nieuwe simulatiemehode tracht men meer inzicht te krijgen...
Rational design of mixed solid-state fermenters (2001)
Schutyser, M.A.I., Weber, F.J., Briels, W.J., Boom, R.M., Rinzema, A.
Biochemical engineering of solid-state fermentations (2001)
Rinzema, A., Weber, F.J., Nagel, F.J.I., Oostra, J., Schutyser, M.A.I., Hoogschagen, M.J., ...
Schutyser, M.A.I., Padding, J.T., Weber, F.J., Briels, W.J., Rinzema, A., Boom, R.
A soft-sphere discrete particle model was used to simulate mixing behavior of solid substrate particles in a slow rotating drum for solid-state fermentation. In this approach, forces acting on and...
Growth and sporulation stoichiometry and kinetics of coniothyrium minitans on agar media (2000)
Ooijkaas, L.P., Buitelaar, R.M., Tramper, J., Rinzema, A.
Coniothyrium minitans was cultivated on agar media with different concentrations of starch, urea, and trace elements. By means of elemental balances, the stoichiometry of growth and sporulation was...
Biochemical engineering of solid-state fermentations (2000)
Rinzema, A., Weber, F.J., Nagel, F.J.I., Oostra, J., Schutyser, M.A.I., Hoogschagen, M., ...
Granular dynamics in mixed solid-state fermentors (2000)
Schutyser, M., Weber, F., Briels, W., Boom, R.M., Rinzema, A.
Modelling fungal solid-state fermentation: the role of inactivation kinetics (1999)
Smits, J.P., Tramper, J., Knol, W.C., Geelhoed, W., Peeters, M., ...
Modelling fungal solid-state fermentation: the role of inactivation kinetics (1999)
Smits, JP, Van Sonsbeek, HM, Tramper, J, Knol, W, Geelhoed, W, Peeters, M, ...
The theoretical mathematical models described in this paper are used to evaluate the effects of fungal biomass inactivation kinetics on a non-isothermal tray solid-state fermentation (SSF). The...
The influence of temperature on kinetics in solid-state fermentation (1998)
Smits, J.P., Rinzema, A., Tramper, J., Sonsbeek, H.M., Hage, J.C., Kaynak, A., ...
Models for solid-state cultivation of Rhizopus oligosporus. (1997)
Rinzema, A., Oostra, J., Nagel, F.J., Scheepers, B., Nout, M.J.R., ...
The influence of temperature on kinetics in solid-state fermentation. (1997)
Smits, J.P., Rinzema, A., Tramper, J., Hage, J.C., Kaynak, A., ...
Accurate determination of process variables in a solid-state fermentation system. (1996)
Smits, J.P., Rinzema, A., Tramper, J., Schlösser, E.E., Knol, W.
A model for solid-state cultivation of Rhizopus oligosporus on soy beans. (1995)
Rinzema, A., Oostra, J., Scheepers, B., Nagel, F.J., Nout, M.J.R., ...
Development of a bioreactor for degradation of xenobiotic compounds in groundwater. (1990)
Vis, P., Bröerken, G., Klapwijk, A., Rinzema, A., Rozema, H., ...
Development of a bioreactor for degradation of xenobiotic compounds in groundwater. (1989)
Vis, P., Bröerken, G., Klapwijk, A., Rinzema, A., Schraa, G., ...
Anaerobic treatment of wastewater with high concentrations of lipids or sulfate. (1988)
http://library.wur.nl/wda/abstracts/ab1240.html