LUBRICATING OILS SOLVENT EXTRACTION IN A REFLUX EXTRACTION UNIT

1936 ◽  
Vol 28 (9) ◽  
pp. 1035-1037 ◽  
Author(s):  
M. R. Cannon ◽  
M. R. Fenske
Keyword(s):  
Solvent Extraction ◽  
Lubricating Oils ◽  
Extraction Unit

Isolation and identification of microorganisms causing microbial degradation of organic phase of the solvent extraction unit in the copper industries

2012 ◽  
Vol 112-113 ◽  
pp. 43-48 ◽  
Author(s):  
Z. Manafi ◽  
H. Abdollahi ◽  
M. Zolfagari Majd ◽  
N. Golbang ◽  
G. Emtiazi ◽  
...  
Keyword(s):  
Solvent Extraction ◽  
Organic Phase ◽  
Microbial Degradation ◽  
Isolation And Identification ◽  
Extraction Unit

scholarly journals Regeneration of used engine lubricating oil by solvent extraction

2012 ◽  
Vol 23 (2) ◽  
pp. 149-154
Author(s):  
Ancaelena-Eliza Sterpu ◽  
Anca Iuliana Dumitru ◽  
Mihai-Florinel Popa
Keyword(s):  
Solvent Extraction ◽  
Oil Recovery ◽  
Vacuum Distillation ◽  
Product Yield ◽  
Lubricating Oil ◽  
Lubricating Oils ◽  
Extraction Solvent ◽  
Used Oil ◽  
Incomplete Removal ◽  
Pre Treatment

AbstractHuge amounts of used lubricating oils from automotive sources are disposed of as a harmful waste into the environment. For this reason, means to recover and reuse these wastes need to be found. Problems arising from acid treatment include environmental problems associated with the disposal of acid sludge and spent earth, low product yield (45-65%) and incomplete removal of metals. The processes of re-refining of used lubricating oils depend greatly on the nature of the oil base stock and on the nature and amount of contaminants in the lubricant resulting from operations. The study was carried out on a sample of 15W40 type used oil collected from one automobile. The re-refining process of used oil consists of dehydration, solvent extraction, solvent stripping and vacuum distillation. This study aims to investigate a process of solvent extraction of an alcohol-ketone mixture as a pre-treatment step followed by vacuum distillation at 5 mmHg. The primary step was conducted before the solvent extraction that involves dehydration to remove the water and fuel contaminants from the used oil by vacuum distillation. The solvent extraction and vacuum distillation steps were used to remove higher molecular weight contaminants. The investigated solvent to oil ratios were 2, 3, 4, 5 and 6. The solvent composition is 25% 2-propanol, 50% 1- butanol and 25% butanone or methyl ethyl ketone (MEK). The percentage of oil recovery for the solvent to oil ratio of 6:1 is further improved, but for the ratio values higher than 6:1, operation was considered economically not feasible. Finally, the re-refined oil properties were compared with the commercial virgin lubricating oil properties.

Effect of Solvent Extraction on Aromaticity of Lubricating Oils

1937 ◽  
Vol 29 (3) ◽  
pp. 319-325 ◽  
Author(s):  
G. H. Von Fuchs ◽  
A. P. Anderson
Keyword(s):  
Solvent Extraction ◽  
Lubricating Oils ◽  
Effect Of Solvent

The Improvement of the Quality of Raffinate Obtained from Solvent Extraction of Lubricating Oils

2010 ◽  
Vol 28 (14) ◽  
pp. 1434-1444
Author(s):  
M. Sh. El-Gayar ◽  
A. E.-M. Ahmed ◽  
G. A. Gohar ◽  
A. H. Hegazi ◽  
H. M. Ibrahim ◽  
...  
Keyword(s):  
Solvent Extraction ◽  
Lubricating Oils

Solvent Extraction of Lubricating Oils

1931 ◽  
Vol 23 (7) ◽  
pp. 753-761 ◽  
Author(s):  
S. W. Ferris ◽  
E. R. Birkhimer ◽  
L. M. Henderson
Keyword(s):  
Solvent Extraction ◽  
Lubricating Oils
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