Production of renewable diesel by hydrotreatment of soy bean oil: Effect of reaction parameters

Title
Production of renewable diesel by hydrotreatment of soy bean oil: Effect of reaction parameters
Authors
김석기Steffen Brand이홍식김연제김재훈
Keywords
Catalytic deoxygenation; Hydrocarbon; Hydrotreatment; Renewable diesel
Issue Date
2013-07
Publisher
Chemical engineering journal
Citation
VOL 228, 114-123
Abstract
The effects of varying reaction parameters on the hydrotreatment of soybean oil using Ni and CoMoSx catalysts were investigated. The reactions were carried out in both batch and continuous reactors, at reaction temperatures of 300–440 °C, and hydrogen pressures of 2.5–15.0 MPa. The effects on hydrotreating conversion, gasoline/jet/diesel selectivity, and the degree of oxygen removal were investigated, to find optimum hydrotreatment conditions using both types of catalysts. Analyses of liquid composition, using comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry (GC × GC–TOFMS) and GC-flame ionization detection (FID), revealed that decarboxylation, decarbonylation, and hydrodeoxygenation reactions occurred competitively, and that each reaction pathway had different optimal conditions, as expected from the thermodynamic characteristics. The differences in the hydrotreatment reaction, liquid product compositions, and dominant reaction pathways between the batch and continuous reactions are also discussed.
URI
http://pubs.kist.re.kr/handle/201004/45074
ISSN
13858947
Appears in Collections:
KIST Publication > Article
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