## Abstract Detailed investigation of solvent‐separated fractions of petroleum vacuum residues is necessary for understanding the separation mechanism using different solvents and to prepare better feedstocks for secondary conversion processes. The efficiency of different solvents to remove polars
✦ LIBER ✦
Pyrolysis of high-boiling petroleum fractions
✍ Scribed by Gustav Šebor; Josef Blažek; Jaromír Lederer; Milan Ričánek; Václav Novák
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 802 KB
- Volume
- 71
- Category
- Article
- ISSN
- 0016-2361
No coin nor oath required. For personal study only.
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In this investigation the US Bureau of Mines-API method for the separation of heavy petroleum hydrocarbons into structural types -saturates, monoaromatics, diaromatics and polyaromatic-polar material -has been modified. The time of analysis is reduced drastically by applying pressure on the column a