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Application Note: Prediction of the impact of buffer type with mechanistic simulation

Case studies & Application Notes

Application Note: Prediction of the impact of buffer type with mechanistic simulation

Application to protein purification by IEX chromatography

The proper selection of buffers is essential in the design of ion exchange processes. It was reported that at a given pH and ionic strength, a change in the type of buffer (e.g., acetate to phosphate) may have a dramatic impact on protein separation...


Application Note: Comparison of single column and MCSGP processes with mechanistic simulation

Case studies & Application Notes

Application Note: Comparison of single column and MCSGP processes with mechanistic simulation

Application to oligonucleotides purification by ion exchange chromatography

The Multicolumn Countercurrent Solvent Gradient Purification (MCSGP) process is a strong possible alternative to single-column chromatography for improving chromatographic process performances. Mechanistic simulations can provide an independent opinion...


Application Note: Design of a multicolumn process for mAb capture

Case studies & Application Notes

Application Note: Design of a multicolumn process for mAb capture

Mechanistic simulation to assess the impact of the number of columns on key performance indicators

There is an increasing interest in using multicolumn processes for the capture of monoclonal antibobies (mAbs) by affinity chromatography . However, selecting and designing the most suitable process is not straightforward. There are indeed a wide...


Application Note: Prediction of an oligonucleotide purification by IEX thanks to simulation and mechanistic modeling

Case studies & Application Notes

Application Note: Prediction of an oligonucleotide purification by IEX thanks to simulation and mechanistic modeling

Impact of key operating parameters in a complex process

Designing a chromatographic process requires selecting numerous operating parameters (column dimensions, number of steps, step duration, buffer type, eluent pH, flowrates, gradient slope…) There is a high interest in using predictive simulation...


Increasing yield and safety of a nitration process

Case studies & Application Notes

Increasing yield and safety of a nitration process

Predictive simulations coupling mass & heat transfer

Challenge 40-year old nitration process for the production of an Active Pharmaceutical Ingredient Highly complex process with low selectivity Need to enhance competitiveness and improve safety Methods...


Debottlenecking of an esterification process

Case studies & Application Notes

Debottlenecking of an esterification process

Development of a mechanistic model accounting for phase equilibria (G/L/S)

Challenge Established process (> 40 years) for the production of an ester Debottlenecking Improving economics (OpEx) while minimizing investment Methods Identification of the reaction pathway thanks...


Improving an industrial fermentation

Case studies & Application Notes

Improving an industrial fermentation

Challenge Scale-up of a industrial fermentation process Need to improve productivity and process stability Methods Establishment of mass balances, calculations of yields and Oxygen Uptake Rates ...


Removal of an odorous molecule in a cosmetic product

Case studies & Application Notes

Removal of an odorous molecule in a cosmetic product

Process simulations using mechanistic modeling

Challenge Cosmetic active ingredient manufacturing process More stringent specifications in terms of the residual concentration of an odorous co-product Methods   Identification of relevant technologies for the removal...


Case Study: Design and start-up of a continuous purification process

Case studies & Application Notes

Case Study: Design and start-up of a continuous purification process

  Challenge  Existing pilot batch process for the purification of omega-3 fatty acids from natural oil (11 unit operations) Shift to an industrial continuous production Methods Analysis of the existing batch...