|
Type
|
Journal
Article
|
|
Author
|
Leandro
Lodi
|
|
Author
|
Viktor
Oswaldo Cárdenas Concha
|
|
URL
|
|
|
Volume
|
34
|
|
Issue
|
11-12
|
|
Pages
|
1016-1020
|
|
Publication
|
Petroleum
Science and Technology
|
|
Date
|
June
17, 2016
|
|
Abstract
|
Researchers
examined the deasphalting process on laboratory scale through the design and
development of a supercritical extraction experimental unit. The experimental
unity used in tests is composed of a pump, an extractor with useful volume of
3 L and one separator vessel. Extractions in supercritical condition were
conducted using vacuum residuum)as feedstock and water as solvent.
Temperature and pressure were manipulated to maintain the solvent in the required conditions, thus facilitating the extraction process and avoiding sharp changes in the system. In both phases, the products in the deasphalted oil stream present adequate characteristics for the production of lubricant oils and those in the asphalt residue stream present an elevated concentration of asphalt molecules. |
Friday, September 16, 2016
Deasphalting process using supercritical water
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