Extraction of vanadyl porphyrins from petroleum asphaltenes
Journal Article
·
· Petroleum Chemistry
OSTI ID:249896
- Institute of Organic and Physical Chemistry, Kazan (Russian Federation); and others
A study has been made of the influence of the chemical structure and nature of the solvents on the extraction of vanadyl porphyrins from petroleum asphaltenes. Various oxygen-containing solvents and their bifunctional derivatives have been investigated as extractants. It was established that the highest degree of extraction of vanadyl porphyrins from asphaltenes is achieved by using ketones and diketones. It was shown that the dissolving power of the extractants investigated depends not only on their nature, but also on the extraction conditions. The highest degree of extraction of vanadyl porphyrins from asphaltenes of Ashal`chinsk crude oil was 74%. 8 refs., 1 fig., 2 tabs.
- OSTI ID:
- 249896
- Journal Information:
- Petroleum Chemistry, Journal Name: Petroleum Chemistry Journal Issue: 5 Vol. 32; ISSN PHEME4
- Country of Publication:
- United States
- Language:
- English
Similar Records
Molecular characterization and fingerprinting of vanadyl porphyrin and non-porphyrin compounds in the asphaltenes of heavy crude petroleums using HPLC-GFAA analysis
Characterization and comparison of vanadyl and nickel compounds in heavy crude petroleums and asphaltenes by reverse-phase and size-exclusion liquid chromatography/graphite furnace atomic absorption spectrometry
Molecular characterization and fingerprinting of vanadyl porphyrin and non-porphyrin compounds in heavy crude petroleums using HPLC-GFAA analysis
Technical Report
·
Mon Aug 01 00:00:00 EDT 1983
·
OSTI ID:5458061
Characterization and comparison of vanadyl and nickel compounds in heavy crude petroleums and asphaltenes by reverse-phase and size-exclusion liquid chromatography/graphite furnace atomic absorption spectrometry
Journal Article
·
Wed Oct 31 23:00:00 EST 1984
· Anal. Chem.; (United States)
·
OSTI ID:5671585
Molecular characterization and fingerprinting of vanadyl porphyrin and non-porphyrin compounds in heavy crude petroleums using HPLC-GFAA analysis
Technical Report
·
Tue Nov 30 23:00:00 EST 1982
·
OSTI ID:6603983