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Uploaded on:
13/02/2009 05:49:53
Type:
Digital Asset
File Size:
234.56 KB
Dimensions:
1000 x 758 pixels
2682 views 4 downloads
P number: P000188
Old photograph number: OSLPlate5
Caption: Scottish oil-shale processing 3. Bench of crude oil coking stills used in the second main process, the refining of the crude oil into a series of oil and wax products
Description: Scottish oil-shale processing 3. Bench of crude oil coking stills used in the second main process, the refining of the crude oil into a series of oil and wax products Coking or 'pot' stills are one of two types of still used in Scottish oil-shale refining, the other type being the 'boiler' still. Both types are usually used in combination. The process takes advantage of the different boiling point of the various oils. Distillation is carried out by condensing out the oils into different receiving vessels. The refining process is concerned with: 1. the separation of the mixtures of hydrocarbons from the crude by distillation, 2. the removal from the oil of impurities by washing oils with chemicals, heating or filtration and 3. separation of crude solid wax from the liquid oils in which it is dissolved.
Date taken: 01/01/1927
Photographer: Unknown
Copyright statement: NERC
Acknowledgment: This image was digitized with grant-in-aid from SCRAN the Scottish Cultural Resources Access Network
Orientation: Landscape
Size: 234.56 KB; 1000 x 758 pixels; 85 x 64 mm (print at 300 DPI); 265 x 201 mm (screen at 96 DPI);
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