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Adsorption of Naphthalene on Activated Wood Charcoal Derived from Biomass Gasification

Title data

Gradel, Andy ; Wünning, Joachim Alfred ; Plessing, Tobias ; Jess, Andreas:
Adsorption of Naphthalene on Activated Wood Charcoal Derived from Biomass Gasification.
In: Chemical Engineering & Technology. Vol. 44 (2021) Issue 6 . - pp. 972-979.
ISSN 1521-4125
DOI: https://doi.org/10.1002/ceat.201900632

Official URL: Volltext

Abstract in another language

Abstract During gasification and/or pyrolysis of wooden biomass, charcoal is formed as a solid intermediate or product. In CO2- and H2O-rich atmospheres at high temperatures, a high specific surface area of several 100 m2 per gram of charcoal may be reached. Common biomass gasifiers aim at a charcoal conversion of 100 %. Up to now, the option of a subsequent usage of the charcoal for adsorption of tar compounds has rarely been considered but is an interesting option to produce a clean syngas in a downstream adsorption unit. Experimental studies show an adsorption capacity of up to 0.4 g of tar per gram of charcoal using naphthalene as a model substance for tar. Respective adsorption isotherms, breakthrough curves in a fixed-bed adsorber, and a kinetic breakthrough model are presented.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: Institute for Water- and Energy Management
University of Applied Sciences Hof
WS Wärmeprozesstechnik GmbH, Renningen
Keywords: Activated wood charcoal; Adsorption; Biomass gasification; Breakthrough modeling; Naphthalene
Institutions of the University: 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
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: 25 Jun 2021 09:05
Last Modified: 25 Jun 2021 09:05
URI: https://eref.uni-bayreuth.de/id/eprint/66179