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Welcome to the working group Gas Particle Systems (GPS)!


Partikeln auf Faserkreuzung Nanodots auf Traeger Nickel_TEM U_Falten_Tomographie Schlauchfilteranlage


Our competence lies on the one hand in the handling of gas-particle systems and on the other in processes for the investigation, measurement and adjustment of material and functional particle properties. Current focal points are:

  • Gas cleaning by means of filtering and electrostatic separators
  • targeted functionalisation and characterisation of aerosols from nanostructured particles, e.g. with regard to catalysis or strength
  • New and further developments in particle measurement technology, especially in online processes.

Gas cleaning is used in energy technology (e.g. high temperatures), automotive technology (high power density, service life) or the separation of product aerosols (e.g. high concentrations). The range of investigations of functional particle characteristics is aimed, for example, at catalyst development, redispersibility and, in particular, new methods of real-time process control.

Our strategy combines explorative and basic research with application-oriented technology development. Online measuring methods play an important role here.





Besuch bei der LUBW Karlsruhe
Visiting the LUBW, Karlsruhe

05.02.2019 - The air is cleaner than ever

Students and listeners of the lecture "Gas Particle Measurement Technology" could convince themselves of this personally during a field trip to the LUBW (State Institute for the Enviroment Baden-Württemberg) at the location Großoberfeldstraße in Karlsruhe. The students were impressed by the meticulousness with which the immission measurement values are determined and gained many new impressions.



Feinstaubfresser-Säulen am Stuttgarter Neckartor
Fine dust eater columns at Stuttgart Neckartor

18.01.2019 - Measurements to demonstrate fine dust reduction

In the context of a master thesis we deal with the mode of action of the so-called "fine dust eater columns", which are set up at the Stuttgart Neckartor in order to reduce the particle immission locally.

10th Filtration Day, IUTA
10th Filtration Day, IUATA, Duisburg

13.11.2018 - 10th Filtration Day, IUTA, Duisburg

Prof. Dittler held a keynote lecture on the topic of "Digitization in Filter Technology" at the 10th Filtration Day of the IUTA.

Workshop PM2.5 - what's next?
Workshop "PM2.5 - what's next?"

18.9.2018 - Workshop „PM2.5 - what’s next?“

On 18.9.2018 Prof. Dittler opened the workshop "PM2.5 - what's next?" which he moderated in Karlsruhe with the talk "Fine dust - facts and public perception".

Mitglieder des "Filterkonsortiums am KIT"
Members of the "Filter Consortium at KIT"

05.07.2018 - Kick-off of the "Filter Consortium at KIT"

"Smart Filters", which are always optimally operated and maintained due to to digitization, sensors and control technology, is one of the goals of the "Filter Consortium at KIT", which has now been established under the coordination of KIT with eight industrial companies.


Besuch von Prof. Ben Mullins
Visit by Prof. Ben Mullins

25.06.2018 Visit by Prof. Ben Mullins from Curtin University, Australia

We were proud to welcome Prof. Ben Mullins from Curtin University Australia, who visited the GPS working group discussing further collaborative research projects in the field of oil mist filtration.

Eckhard Kolb an der University of Akron
Eckhard Kolb visits Prof. Chase at the University of Akron

29.04.2018 Visit to the University of Akron, Ohio, USA

During a stay in the USA, Eckhard Kolb, member of the "Gas Particle Systems" working group, used the opportunity to exchange ideas with Prof. Chase at the University of Akron.

Prof. Gert Naue
Prof. Gert Naue visits the GPS working group

26.04.2018 Invited lecture by Prof. Dr.-Ing. habil. Gert Naue

During the seminar "Gas-Particle Systems" Prof. Naue, former rector of the TH Leuna-Merseburg, gave an exciting lecture on "Structural mechanics of fluid turbulence and foundation of dispersion processes", which inspired the participants to question familiar models of thought and to take their measurement results seriously.

A. Dittler bei bdvb
Achim Dittler at the Federal Association of German Economists (bdvb)

16.04.2018 - Fine Dust - a  close look

Punctually at the end of the fine dust alarm season, Prof. Dittler was allowed to take a close look at the topic "fine dust" at the Federal Association of German Economists (bdvb) and inform an interested audience about the situation around this often very emotionally occupied topic.

Besuch bei Freudenberg
Besuch to Freudenberg

27.3.2018 - Visit to Freudenberg in Weinheim

A small delegation of the working group received insights into the production of cartridge and cassette filters today at Freudenberg in Weinheim. A guided tour of the laboratory and an exchange of information rounded off the very successful visit programme. As part of today's visit, it was agreed to offer students of the Gas Particle Separation Technology lecture an excursion to Freudenberg in the coming winter semester.


Besuch der China University of Petroleum, Beijing
Visit of a Delegation from the China University of Petroleum, Beijing

21.3.2018 - Visit of a Delegeation from the China University of Petroleum, Beijing

A delegation from the China University of Petroleum led by Prof. Ji. Zhongli visited the working group for a technical exchange on topics related to gas particle technology. The focus of the visit was a guided tour of the institute in which the guests were able to get to know current research projects of the working group.

GPS Gruppenbild FILTECH 2018
The GPS-Group at FILTECH

13.-15.3.2018 - FILTECH 2018

FILTECH, one of the largest and most important events - conference and exhibition - for filtration and separation technology worldwide, took place in Cologne from March 13-15.

The working group Gas Particle Systems (GPS) visited the event to present their latest research results and to make contacts.

Achim Dittler beim Rotary Club
Achim Dittler at the Rotary Club

5.3.2018 - Lecture on the topic of diesel engines

At the invitation of the Rotary-Club Karlsruhe-Schloss, Prof. Dittler shed light on the current topic "Diesel exhaust gases: justified in criticism?"  -  the answer? A clear "yes and no".