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Detailed engineering of a particle-heated lab-scale reactor for the decomposition of sulphuric acid

Mevißen, Lutz (2019) Detailed engineering of a particle-heated lab-scale reactor for the decomposition of sulphuric acid. Master's, Beuth Hochschule für Technik, berlin.

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This study includes the detailed engineering and further development and optimization of a particle-heated test bench designed for the evaporation and catalytic decomposition of 1.9 kg/h sulphuric acid. At the beginning of the thesis, a new electrical particle heater is designed and calculations are carried out for heating 10 kg/h bauxite particles up to 900 °C using thermodynamic fundamentals. Then it is followed by a DEM simulation to check the flow behaviour of the particles within the heating system and finally the FEM analysis is performed in ANSYS© to verify the mechanical strength of the particle heater structure. A new compensator concept for the thermal linear expansion of the reactor tubes is also developed and converted into a CAD model in Autodesk© Inventor. To validate the CAD model, a 3D printed plastic model was tested in lab with bauxite particles. The reactor tubes are optimized from a thermal, material and constructive point of view. Finally, all requirements for a measurement and control system of the test bench are initially defined and then transferred to a graphical user interface in LabVIEW®. As a result of the performed work, it is found that all the components of the test bench are accurately designed, defined and ready for installation.

Item URL in elib:https://elib.dlr.de/131239/
Document Type:Thesis (Master's)
Additional Information:Die Masterarbeit hat einen Sperrvermerk. Ansprechpartnern ist Dennis Thomey (dennis.thomey@dlr.de)
Title:Detailed engineering of a particle-heated lab-scale reactor for the decomposition of sulphuric acid
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Mevißen, LutzLutz.Mevissen (at) dlr.deUNSPECIFIED
Date:15 October 2019
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Number of Pages:137
Keywords:sulfuric acid splitting, modelling, CAD, FEM
Institution:Beuth Hochschule für Technik, berlin
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Solar Fuels
DLR - Research area:Energy
DLR - Program:E SW - Solar and Wind Energy
DLR - Research theme (Project):E - Solar Fuels
Location: Jülich
Institutes and Institutions:Institute of Solar Research > Solar Chemical Engineering
Deposited By: Sattler, Prof. Dr. Christian
Deposited On:25 Nov 2019 15:38
Last Modified:25 Nov 2019 15:38

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