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Solubility of Tar Model Compounds in Various Solvents for Tar Removal in a Dual Fluidized Bed Biomass Gasification Process

Tonpakdee, P.; Hongrapipat, J.; Siriwongrungson, V.; Pang, S.; Rauch, Reinhard ORCID iD icon; Messner, M.


Production of high quality product gas via biomass steam gasification is a promising technology. However, impurities in the product gas, namely tars, cause problems in the downstream gas processing operations and thus they need to be removed efficiently. Oil scrubbing is an effective solution for tar removal due to its non-polar characteristic which is similar to tar nature. In this research, solubility values of five simulated tar compounds were experimentally investigated for selecting the new scrubbing solvent. The simulated tar compounds investigated represent those found in the dual fluidized bed steam gasification of wood biomass, which are: naphthalene, biphenyl, anthracene, fluoranthene, and pyrene. The scrubbing solvents tested in this research are classified into biodiesels, vegetable oils, and diesel. Biodiesel used are rapeseed methyl ester (RME) and 2 different palm methyl esters (denoted as PME1 and PME2). Vegetable oils are sunflower oil, refined palm oil, Thai rice bran oil, and crude palm oil. All of the solubility tests were performed in the laboratory-scale test-rig at 30, 50, 70, and 80°C. Biodiesels are found to be the effective solvent in dissolving the tar compounds. ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/1000136800
Veröffentlicht am 26.08.2021
Cover der Publikation
Zugehörige Institution(en) am KIT Engler-Bunte-Institut (EBI)
Publikationstyp Proceedingsbeitrag
Publikationsjahr 2021
Sprache Englisch
Identifikator ISSN: 1755-1307
KITopen-ID: 1000136800
HGF-Programm 38.05.01 (POF IV, LK 01) Anthropogenic Carbon Cycle
Erschienen in 7th International Conference on Environment and Renewable Energy, 26-28 March 2021, Qingdao, China
Veranstaltung 7th International Conference on Environment and Renewable Energy (2021), Qingdao, China, 26.03.2021 – 28.03.2021
Verlag Institute of Physics Publishing Ltd (IOP Publishing Ltd)
Seiten Art.-Nr.: 012010
Serie IOP Conference Series: Earth and Environmental Science ; 798
Nachgewiesen in Dimensions
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