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Dr. Stefan Knohl wins Blue Sky Young Research & Innovation

At Paper & Beyond - the European Paper Week organized by the European Paper Industry Association CEPI - Dr. Stefan Knohl was presented with the award for "Highly Filled Specialty Papers".

From over 30 award applications his submission came among the best 8 and this enabled Dr. Stefan Knohl to present his topic in Brussels. Here he convinced the jury with his presentation and won one of 3 prizes.

To the competition: Blue Sky Young Researchers and Innovation Award

Dr. Stefan Knohl's award research topic "Highly Filled Specialty Papers" investigates the production of highly filled papers and paper-derived materials for use in fuel cells.

Paper-derived bioelectrodes for microbial electrochemical wastewater treatment and highly porous titanium-based power distributors for PEM fuel cells are being developed.

Each highly filled paper consists of cellulose fibres and up to 90 % by weight filler (see Figure 1). The strength and flexibility of the material is based on the formation of the fibre network, while the paper takes over the functional properties through the filler.

(Image 1)

Another significant advantage of the highly filled flat semi-finished paper products is that they can be converted into 3-dimensional structures by conventional paper technology processes (e.g. waves, folds) (see Image 2).


(Image 2)

Highly filled specialty papers not only increase the efficiency of conventional technologies, but also open the door to new opportunities and benefits for the paper industry, such as the emergence of new markets and applications for paper-based materials.


The team of the Papiertechnische Stiftung cordially congratulates Dr. Stefan Knohl on this success and is proud of such a colleague!

In the next step, this award represents the qualification for the worldwide competition in May 2019, where Dr. Stefan Knohl will present his topic and represent PTS.

Collaborative Project "ElektroPapier":