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Upgrading of oil sand bitumen over an iron oxide catalyst using sub- and super-critical water

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Title: Upgrading of oil sand bitumen over an iron oxide catalyst using sub- and super-critical water
Authors: Kondoh, Hisaki Browse this author
Nakasaka, Yuta Browse this author →KAKEN DB
Kitaguchi, Tatsuya Browse this author
Yoshikawa, Takuya Browse this author
Tago, Teruoki Browse this author →KAKEN DB
Masuda, Takao Browse this author →KAKEN DB
Keywords: Oil sand bitumen
Heavy oil
Iron oxide catalyst
Catalytic decomposition
Lighter fuel
Issue Date: May-2016
Publisher: Elsevier
Journal Title: Fuel Processing Technology
Volume: 145
Start Page: 96
End Page: 101
Publisher DOI: 10.1016/j.fuproc.2016.01.030
Abstract: Upgrading of oil sand bitumen was examined using a catalyst consisting of CeO2-ZrO2-Al2O3-FeOx and sub- and super-critical water in two reactor types: batch-type and fixed-bed flow-type. Bitumen diluted with benzene was used as a feedstock, and the effects of reaction pressure and temperature on product yield were investigated. Under conditions of high pressure (approximately 19 MPa), catalytic decomposition of bitumen proceeded effectively over the FeOX-based catalyst, with the yield of lighter components such as gas oil and vacuum gas oil (VGO) reaching 70 mol%-C at a reaction temperature of 693 K. Moreover, because coke formation on the catalyst was suppressed (less than 10 mol%-C under optimized reaction pressure and temperature), the FeOX-based catalyst showed excellent durability and reusability for catalytic decomposition of bitumen.
Rights: © 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 中坂 佑太

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