Do you want to contribute to making dairy food processing more sustainable and do research on future piezoelectric membrane reactor technologies? At DTU Energy this is what we do, among other things, and we are looking for a new team member.

Large amount of milk is produced on a global scale, approximately 850 million tons in 2018, and dairy market size is estimated at $442 billion. Due to its perishable nature, it is important that milk is processed to extend shelf life and reduce waste, and here, lactic acid bacteria (LAB) plays an essential role. Approximately half of the milk produced, 400 million tons, is fermented using LAB, typically producing cheese, yoghurt and fermented butter. One of the greater challenges in dairy operation is phages, which are bacterial viruses. To counter this, the current practices involve maintenance of a sterile environment and use of quite expensive starter LAB culture. Even then, ca. 10% of all the milk fermentation is negatively impacted by phages. Thus, solutions that can prevent the phages reaching LAB while maintaining high LAB activity will play a key role in  making dairy food processing more sustainable by reducing waste.

We have recently won support for an innovative research project that focuses on conceptual development of piezoelectric membrane reactors to grow the robust lactic acid bacteria for dairy applications, from the VILLUM FONDEN.  The project targets development of reactors using ceramic processing methods (e.g., extrusion, coating etc). This involves the development of slurry/paste/ink formulations and optimization of shaping and consolidation parameters to realize the desired reactor architecture. Adjusting the microstructure to achieve the required electrical properties will complement the development of the reactor. Validation of the concept involves testing of the reactor using lactic acid bacteria.

For this project, we need a postdoc to strengthen our capabilities in the processing and shaping of piezoelectric and zeolite-type materials that includes formulation of stable slurries and inks and components fabrication along with their physical, structural, chemical, electrical and biological characterisation. You will be working in a team of researchers from DTU that will include lab technicians and experienced researchers.

The main activity will take place at the Department of Energy Conversion and Storage at DTU Lyngby campus and you will be a part of the research section; “Solid State Chemistry”.

For applicants to be qualified they should have:

  • A PhD degree in engineering, physics, chemistry or similar
  • The ability to work independently, to plan and carry out complicated tasks, and to be a part of a large, dynamic group
  • Good communication skills in English, both written and spoken
  • Experience in several of the following areas is further advantageous; materials development and processing, physical, chemical, structural, electrical and biological characterization

Experience with piezoelectric ceramics and zeolite materials processing and characterization is highly desirable as is familiarity with microbiology. Research experience besides your PhD-work is further an advantage.

We offer
DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice. We offer a rewarding and challenging job in an international environment. We strive for academic excellence in an environment characterized by collegial respect and academic freedom tempered by responsibility.

Salary and terms of employment
The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed upon with the relevant union.

The expected starting date is 15 January 2021. The position is for 2 years.

Further information
Please contact Associate Professor Bhaskar Reddy Sudireddy, +45 93 51 14 70,, or Professor Peter Vang Hendriksen, +45 46 77 57 25,

Please do not send applications to this e-mail address, only apply online as described below.

You can read more about DTU Energy at

Application procedure
Please submit your online application no later than 15 December 2020 (Danish time).

Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link “Apply online”, fill out 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/PhD)
  • List of publications
  • Grade transcripts and PhD diploma
  • Excel sheet with translation of grades to the Danish grading system (see guidelines)

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

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

DTU Energy is focusing on functional materials and their application in sustainable energy technology. Our research areas include fuel cells, electrolysis, solar cells, magnetic refrigeration, superconductivity and thermoelectrics. Additional information about the department can be found on

Technology for people
DTU develops technology for people. With our international elite research and study programmes, we are helping to create a better world and to solve the global challenges formulated in the UN’s 17 Sustainable Development Goals. Hans Christian Ørsted founded DTU in 1829 with a clear vision to develop and create value using science and engineering to benefit society. That vision lives on today. DTU has 12,000 students and 6,000 employees. We work in an international atmosphere and have an inclusive, evolving, and informal working environment. Our main campus is in Kgs. Lyngby north of Copenhagen and we have campuses in Roskilde and Ballerup and in Sisimiut in Greenland.


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