Publications related to Mass balance

Model predictive control and dynamic operability studies in a stirred tank: rapid temperature cycling for crystallization

A stirred-tank reactor was built with the objective of rapid and accurate temperature control in the reaction vessel. A first-principles heat transfer model was developed for the jacketed batch system, with the jacket inlet temperature used to control the ...

Taylor & Francis2010

Event-based reduced-attention predictive control for nonlinear uncertain systems

Timm Faulwasser, Benjamin Kern

Event-based control is an alternative to traditional control where new measurements are sampled only if critical events occur. This not only allows to reduce the control effort but it satisfies nowadays application requirements, such for example reduction ...

IEEE2010

“Sandwich Reactor” for Heterogeneous Catalytic Processes: N2O Decomposition as a Case Study

Albert Renken, Lioubov Kiwi, Bryan Bromley

A novel “sandwich” microreactor designed as a thin (∼ 300

\mu

m) porous plate of sintered metal fibers (SMF), sandwiched between metallic plates is reported. The SMF surface was coated by Fe-ZSM-5 thin film (< 2

\mu

m) rendering a catalyst highly active ...

2008

Real-time optimization of continuous processes via constraints adaptation

Dominique Bonvin, Benoît Chachuat, Alejandro Gabriel Marchetti

In the framework of process optimization, measurements can be used to compensate for the effect of uncertainty. The method studied in this paper combines a process model and measurements to iteratively improve the operation of continuous processes. Unlike ...

2007

Probabilistic observers for a class of uncertain biological processes

Benoît Chachuat, Olivier Bernard

In this paper, probabilistic observers are considered for a class of continuous biological processes described by mass-balance-based models. It is assumed that the probability density functions (PDFs) of the uncertain parameters and inputs of the model, as ...

2006

Robust Predictive Control Based on Neighboring Extremals

Dominique Bonvin, Sébastien Gros

The performance of a predictive controller is typically poor when the true plant evolution deviates significantly from that predicted by the model. A robust control approach that considers model uncertainty explicitly is then needed. However, it is often d ...

2006

A thermodynamic model for the precipitation of nanostructured copper oxalates

Heinrich Hofmann, Paul Bowen, Jacques Lemaître, Lucica Soare

A thermodynamic model is developed for the precipitation of copper oxalate from aqueous solutions of copper nitrate and sodium oxalate in a small well-mixed batch reactor. This model is then used to explain the discrepancy between experimental pH evolution ...

2006

Robust Predictive Control Based on Neighboring Extremals

Dominique Bonvin, Sébastien Gros

The performance of predictive controller is typically poor when the true plant evolution deviates significantly from that predicted by the model. A robust approach that considers model uncertainty explicitly is then needed. However, it is often difficult t ...

2004

Development of a bioprocess for murine dimeric IgA production

Urs von Stockar

Monoclonal IgA was produced under serum free conditions by a murine hybridoma cell line (ZAC3) in a hollow fiber, a continuous stirred tank and a fluidized bed reactor. Differences in the antibody adsorption to DEAE chromatog. matrixes, an essential step i ...

1998

Modeling of heavy metals adsorption to a chelating resin in a fluidized bed reactor

Albert Renken

Adsorption to a chelating resin (Chelamine Std.) is a method for recovering heavy metals from wastewater contg. very light quantities of heavy metals (

1998

Mass balance

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Model predictive control and dynamic operability studies in a stirred tank: rapid temperature cycling for crystallization

Event-based reduced-attention predictive control for nonlinear uncertain systems

“Sandwich Reactor” for Heterogeneous Catalytic Processes: N2O Decomposition as a Case Study

Real-time optimization of continuous processes via constraints adaptation

Probabilistic observers for a class of uncertain biological processes

Robust Predictive Control Based on Neighboring Extremals

A thermodynamic model for the precipitation of nanostructured copper oxalates

Robust Predictive Control Based on Neighboring Extremals

Development of a bioprocess for murine dimeric IgA production

Modeling of heavy metals adsorption to a chelating resin in a fluidized bed reactor

Event-based reduced-attention predictive control for nonlinear uncertain systems

Model predictive control and dynamic operability studies in a stirred tank: rapid temperature cycling for crystallization

Robust Predictive Control Based on Neighboring Extremals

Robust Predictive Control Based on Neighboring Extremals

“Sandwich Reactor” for Heterogeneous Catalytic Processes: N2O Decomposition as a Case Study

A thermodynamic model for the precipitation of nanostructured copper oxalates

Development of a bioprocess for murine dimeric IgA production

Real-time optimization of continuous processes via constraints adaptation

Probabilistic observers for a class of uncertain biological processes

Modeling of heavy metals adsorption to a chelating resin in a fluidized bed reactor