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Research Assistant in Characterization of Mixing and Gradients in Stirred Tanks

  Danmarks Tekniske Universitet (DTU)
  Ph.d. & forskning
  Storkøbenhavn
Ansøgningsfrist i dag: 23.01.2017

Frist 23. januar 2017

A research assistant position is available within the CAPEC-PROCESS Research Center at DTU Chemical Engineering, with focus on the characterization of mixing and gradients in stirred tanks.

The stirred tank is the most frequently used production equipment for industrial scale fermentation processes, and this project is closely related to scale-up and design of bioreactors for fermentation processes. In fermentation, the scale-up of laboratory scale bioreactors to production scale is a bottleneck, and requires a detailed understanding of the effects of changes in reactor size on the process. The rules of thumb commonly applied only provide a starting point for the scale-up strategy, which is usually followed up by experiments at pilot and large scale. In this respect, the use of computational fluid dynamic (CFD) simulations provides a relatively inexpensive way of obtaining detailed information about fluid flows in tanks of different sizes. However, one major challenge is the collection of experimental data that would allow a validation of such CFD models. Traditional sensors are fixed, i.e. they only measure in a single position, and can therefore not be used to characterize the occurrence of concentration gradients in larger tanks.

In this project, you will work together with a team of experts in the frame of the BIOPRO project, and you will test prototypes of a freely floating sensor device that has been designed to allow characterization of gradients in large stirred tanks.

Qualifications
Candidates should have a Master degree or equivalent, ideally a Master degree in Chemical Engineering, Biochemical Engineering or a similar field. Apart from the Master degree, the applicant should have:

  • An interest in performing experiments at lab, pilot and full-scale
  • Previous experience with performing mixing experiments in stirred tanks at pilot scale
  • Experience with Matlab programming, since Matlab is used for analysis of the collected data
  • Experience with MEMS and miniaturized sensor technology for measuring fermentation process parameters. The understanding of these are essential for applying the measurement data to the CFD models.
  • Documented experience demonstrating the ability of the candidate to integrate and perform within a team
  • Good communication skills in English and Danish are required as coordination between BIOPRO partners.

Salary and terms of employment
The appointment will be based on the collective agreement with the Confederation of Professional Associations. The salary will be agreed with the relevant union. The period of employment is 6 months.

Further information
For further information please contact Professor Krist V. Gernaey, , tel: +45 4525 2970.

Application procedure
Please submit your online application no later than 23 January 2017. Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link "Apply online," fill in the online application form, and attach all your materials in English in one PDF file. The file must include:

  • Application (cover letter)
  • CV
  • Diploma (MSc)

Applications and enclosures received after the deadline will not be considered.

All interested candidates irrespective of age, gender, disability, race, religion or ethnic background are encouraged to apply.

DTU is a technical university providing internationally leading research, education, innovation and scientific advice. Our staff of 5,800 advance science and technology to create innovative solutions that meet the demands of society; and our 10,600 students are being educated to address the technological challenges of the future. DTU is an independent academic university collaborating globally with business, industry, government, and public agencies.


Opslagstype

Ph.d. & forskning

Geografi

Storkøbenhavn

Uddannelse

Naturvidenskab
Teknik & Teknologi
Kemi, Biotek & Materialer
Matematik, Fysik & Nano
Maskin & Design

Arbejdsområde

IT - Software
Forskning & Udvikling
Teknik
Data & analyse
Naturvidenskab

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