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Institute of Process Engineering
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our team introduces itself:



Name Room Extension E-mail

Univ.- Prof. Dr.-Ing. habil. Mark Hlawitschka


TE 0113 9742 mark.hlawitschka@jku.at

Post Doc

Name Room Extension e-mail
Dr.-Ing. Alexander Keller TE 0115 9746



Office Assistant

Name Room Extension E-Mail
Sabina Kapeller-Sitter TE 0114 9740 sabina.kapeller-sitter@jku.at

Research Assitants


Name Room Extension E-Mail
Johannes Huber Hall 9750 johannes.huber@jku.at


Summer semester 2023


Name e-mail  
Michael Süß michael.s.suess@gmail.com  



Student Assistant

Name extension E-mail
Gaser ElDib - Technik/Forschung 9740 (Sekretariat) gaser.el_dib@jku.at
Macho Andreas - Lehre 9740 (Sekretariat) macho.andy@icloud.com
Tayebi Alireza - Forschung 9740 (Sekretariat) a.tayebi001@gmail.com


Former Staff Members

Name Semester Task
Dr. Mohammad Rezaei, MSc. 2013 - 2021 Teaching, Research,
Dissertation October 2017,
afterwards 4 more years as PostDoc at the institute
Drechsler Diana WS 19/20 to WS 20/21 Teaching
Dobringer Georg SS 21 Teaching  
Redl Samuel WS 19/20 to SS 21 Lehre
Ikic Vanessa WS 20/21 to SS 22 Research & Teaching
ElDib Gaser SS 21 Research, Ars Electronica
Brandner Sonja SS 21 Research Industry, Ars Electronica
Bönisch Sebastian SS 21 to SS 22 Ars Electronica
Flatscher Stefanie SS 21 to SS 22 Ars Electronica
Klapal Florian SS 22 Ars Electronica
Alireza Tayebi - Forschung WS 22 - SS 23 Researcj

Current Final Theses

Bachelor's or Master's theses as well as dissertations currently supervised and accompanied by the Institute.

  Name Topic Industry partner Supervision
Master Teppan Bernhard   Rohrdorfer Zement Prof. Dr. Hlawitschka
Bachelor Höscheler Lara Maria  Influence of seed crystal concentration on membrane distillation crystallization.   DIin Flatscher
Bachelor Frank Elisa Fractionated crystallization   DIin Flatscher
Master Shihadeh Ismael Investigation and simulation of bubble formation and ther behaviour in a bubble column   DI Klapal
Bachelor Pflügl Manuela Setup and commissioning of a bubble column   DI Klapal
Bachelor Hawlicek Valentina PIV Investigation of single bubble behaviour in multiphase reactors   Mahmoudi, MSc.
Master Macho Andreas Development of microcontactors for reactive extraction   Dr. Keller
Master Bönisch Sebastian Recovery of cobalt and manganese by membrane-supported extraction   Dr. Keller
Bachelor Kimeswenger Lisa Maria Programming of membrane extraction plant   Dr. Keller
Bachelor Woesenboeck Gerald Purification of a lithium-ion battery solution in a Kühni column FH Wels Dr. Keller
Dissertation DI Florian Klapal

Working title : Design and scale up of bubble column for biomethanation

  Prof. Hlawitschka
Dissertation DIin Flatscher Stefanie     Prof. Hlawitschka
Dissertation Mahmoudi, MSc. Sadra working title: Investigating of the effect of solid particles on the behavior of Slurry Bubble Column Reactors   Prof. Hlawitschka
Master Thesis Jungwirth Theresa Plant Design: CO2 Reduction   Prof. Hlawitschka
Master Thesis Weber Dominik Determining the Size of Single Bubbles with Passive Acoustic Measurements and Deep Learning   Prof. Hlawitschka


Completed Theses

Successfully completed bachelor and master theses as well as dissertations.

  Name Topic


Industry partner Supervision        
Master Thesis Weber Dominik Determining the Size of Single Bubbles with Passive Acoustic Measurements and Deep Learning 2023   Prof. Hlawitschka        
Master Thesis Danner Daniel Coalescence investigations in a micro apparatus 2023   Prof. Hlawitschka        
Bachelor Thesis Groenewold Catharina Anna Solvent extraction column dynamics and efficiency investigations 2022   Prof. Hlawitschka        
Master Thesis Klapal Florian Precipitation of lithium carbonate in a gas bubble column with carbon dioxide 2022   Prof. Hlawitschka        
Bachelor Thesis Medl Florian Sedimentation 2021 Energie AG Prof. Hlawitschka        
Bachelor Thesis Bönisch Sebastian Solvent Extraction 2021            

Master Thesis

Asante Samuel

Methanation of CO²



Prof. Hlawitschka

Master Thesis Flatscher Stefanie

Near Zero Liquid Discharge

Membrane Distillation Crystallization

2022   Prof. Hlawitschka        
Bachelor Thesis Kühberger Florian

Reactive extraction of acetic acid


2022   Dr. Keller