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Design of a rotary kiln for a solar-powered air separation process

Krüger, Hanna (2019) Design of a rotary kiln for a solar-powered air separation process. Diplomarbeit, TU Dresden.

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Kurzfassung

The aim of the DüSol project is to find a solar-powered process for the production of chemical fertilizers and demonstrate an air separation process for nitrogen production, that meets the purity requirements for the Haber-Bosch process. The focus of this thesis is developing of a 20 kW rotary kiln for the production of nitrogen from air with a purity of less than 10 ppm residual oxygen concentration. In order to achieve this 2 kg redox material is to react with 7.8% of air at 800°C under gas tight conditions. An existing furnace was adapted for this purpose, though the development of a new steel crucible with a support construction, a novel gas supply and release system as well as a temperature measurement system had to be designed. The reactor, mostly made of standard parts, was assembled and tested using a solar simulator. It was shown that the reactor meets the requirements regarding temperature resistance and gas tightness, but the measurement system still has to be improved.

elib-URL des Eintrags:https://elib.dlr.de/131236/
Dokumentart:Hochschulschrift (Diplomarbeit)
Titel:Design of a rotary kiln for a solar-powered air separation process
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Krüger, HannaHanna.Krueger (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:6 Februar 2019
Referierte Publikation:Nein
Open Access:Nein
Seitenanzahl:133
Status:veröffentlicht
Stichwörter:Solar, receiver, rotary kiln, air separation, themochemical cycle
Institution:TU Dresden
Abteilung:Institut für Energietechnik
HGF - Forschungsbereich:Energie
HGF - Programm:Erneuerbare Energie
HGF - Programmthema:Solare Brennstoffe
DLR - Schwerpunkt:Energie
DLR - Forschungsgebiet:E SW - Solar- und Windenergie
DLR - Teilgebiet (Projekt, Vorhaben):E - Solare Brennstoffe (alt)
Standort: Köln-Porz
Institute & Einrichtungen:Institut für Solarforschung > Solare Verfahrenstechnik
Hinterlegt von: Sattler, Prof. Dr. Christian
Hinterlegt am:25 Nov 2019 15:37
Letzte Änderung:25 Nov 2019 15:37

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