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Energy and Resource Efficient Production of Fluoroalkenes in High Temperature Microreactors

Title data

Mierdel, Konstantin ; Jess, Andreas ; Gerdes, Thorsten ; Schmidt, Achim ; Hintzer, Klaus:
Energy and Resource Efficient Production of Fluoroalkenes in High Temperature Microreactors.
In: ChemEngineering. Vol. 3 (2019) Issue 4 . - No. 77.
ISSN 2305-7084
DOI: https://doi.org/10.3390/chemengineering3040077

Abstract in another language

Tetrafluoroethylene (TFE) and hexafluoropropylene (HFP) are the most common monomers for the synthesis of fluoropolymers at industrial scale. Currently, TFE is produced via multistep pyrolysis of chlorodifluoromethane (R22), resulting in a high energy demand and high amounts of waste acids, mainly HCl and HF. In this study, a new chlorine-free process for producing TFE and HFP in a microreactor is presented, starting from partially fluorinated alkanes obtained from electrochemical fluorination (ECF). In the microreactor, high conversion rates of CHF3, which is used as a surrogate of partly fluorinated ECF streams, and high yields of fluoromonomers could be achieved. The energy saving and the environmental impact are shown by a life cycle assessment (LCA). The LCA confirms that the developed process has economical as well as ecological benefits, and is thus an interesting option for future industrial production of fluoroalkenes.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: Institut für innovative Verfahrenstechnik, InVerTec e.V.
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Ceramic Materials Engineering > Chair Ceramic Materials Engineering - Univ.-Prof. Dr.-Ing. Walter Krenkel
Faculties > Faculty of Engineering Science > Chair Materials Processing > Lehrstuhl Werkstoffverarbeitung - Univ.-Prof. Dr. Christina Roth
Faculties > Faculty of Engineering Science > Chair Chemical Engineering
Faculties > Faculty of Engineering Science > Chair Chemical Engineering > Chair Chemical Engineering - Univ.-Prof. Dr.-Ing. Andreas Jess
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
600 Technology, medicine, applied sciences > 600 Technology
600 Technology, medicine, applied sciences > 620 Engineering
600 Technology, medicine, applied sciences > 660 Chemical engineering
Date Deposited: 28 Oct 2019 06:41
Last Modified: 28 Oct 2019 06:41
URI: https://eref.uni-bayreuth.de/id/eprint/52857