The role of supercritical water on on-site bitumen upgrading system

Y. Takeuchi, D. Miyamoto, A. Kishita, T. Nakamura, T. Moriya, K. Tohji, H. Enomoto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The role of supercritical water in upgrading bitumen is investigated by varying experimental parameters such as reaction pressure, which influences the density of water, and hydroxyl ions. Experiments were carried out using a batch reactor system operating with varying reaction pressure at a temperature of 703 K, and reaction time of 15 min. From the results such as the viscosity and the boiling point distribution of oil product etc., it can be seen that higher density supercritical water inhibits the cracking of bitumen to lower molecular weight substance. It has suggested that it is possible to obtain the product that has the desired quality in supercritical water on upgrading bitumen by adjusting reaction pressure. In the case of solvent with alkali it is found that alkali also helps to inhibit the cracking to lower molecular weight substances. Furthermore, the amount of the hydrogen became higher. It was inferred that some mechanism of hydrogen generation takes place with the addition of alkali. In experiments using a continuous flow reactor system at a temperature of 703 K, it was confirmed that higher density supercritical water also inhibits the pyrolysis.

Original languageEnglish
Title of host publicationCanadian International Petroleum Conference 2007, CIPC 2007
PublisherPetroleum Society of Canada (PETSOC)
ISBN (Print)9781613991138
Publication statusPublished - 2007 Jan 1
EventCanadian International Petroleum Conference 2007, CIPC 2007 - Calgary, Canada
Duration: 2007 Jun 122007 Jun 14

Publication series

NameCanadian International Petroleum Conference 2007, CIPC 2007

Other

OtherCanadian International Petroleum Conference 2007, CIPC 2007
CountryCanada
CityCalgary
Period07/6/1207/6/14

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Energy Engineering and Power Technology

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