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Initial tests to detect quantitatively the coke loading of reforming catalysts by a contactless microwave method

Title data

Müller, Norbert ; Reiß, Sebastian ; Fremerey, Peter ; Jess, Andreas ; Moos, Ralf:
Initial tests to detect quantitatively the coke loading of reforming catalysts by a contactless microwave method.
In: Chemical Engineering and Processing. Vol. 50 (2011) Issue 8 . - pp. 729-731.
ISSN 0255-2701
DOI: https://doi.org/10.1016/j.cep.2011.07.002

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
No informationMO 1060/5-2 and JE 257/12-2

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

Coke formation affects the activity of catalysts and the product spectra in refinery and petrochemical processes. In previous works, it was shown that the coke content in heterogeneous catalysts can be monitored in-situ by measuring the electrical impedance of single catalyst pellets. In this initial study it should be clarified whether in principle it is possible to apply a contactless microwave-based measuring method to quantitatively detect coke in heterogeneous catalysts. The advantage would be that a contactless method is more suitable for an industrial application since only one electrically insulated feed-through is necessary to determine the coke load in situ in a reactor with its rough reaction conditions (up to 500 °C, 30–50 bar, high H2 partial pressure).

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Coke; In situ monitoring; Microwave; Contactless measurement
Institutions of the University: Faculties
Faculties > Faculty of Engineering Science
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
Faculties > Faculty of Engineering Science > Chair Functional Materials
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Profile Fields
Profile Fields > Advanced Fields
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Research Institutions > Research Units
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
600 Technology, medicine, applied sciences
600 Technology, medicine, applied sciences > 600 Technology
600 Technology, medicine, applied sciences > 620 Engineering
600 Technology, medicine, applied sciences > 660 Chemical engineering
Date Deposited: 19 Jan 2015 13:00
Last Modified: 23 Jul 2019 09:15
URI: https://eref.uni-bayreuth.de/id/eprint/5601