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البحـث الثاني
151
2016
أوابك العلمية لعام
�
ص لبحوث العلمية الفائزة بجائزة
�
عدد خا
مجلة النفط والتعاون العربي
161
العدد
- 2017
أربعون
المجلد الثالث و ال
Re-refining of Used Lubricating Oil and its Economic and Environmental Implications
28
Figure 13 STP simplified process flow diagram
Source STP
Figure 14 Probex simplified process flow diagram
Residue
Base Oil
Fraction
Flash Drum
Residue
Waste Oil
Light Hydrocarbons
Regenerated
Solvent
Extract
Phase
Extract
Solvent
Recovery
Solvent
Base Oil
Solvent
Recovery
Raffinate
Extractor
Chemical
Reactor
Different
fractions
Steam
To Vacuum
system
To Vacuum
system
Steam
Gas oil
Water and
light ends
Dehydration
Gas oil
Stripping
Vacuum
Distillation
Used oil