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أوابك العلمية لعام
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ص لبحوث العلمية الفائزة بجائزة
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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
17
Figure 6 Comparison of Specific Gravity and Ash content before and after re-refining
Figure 7 Comparison of Viscosity, Flash Point and Iron content before and after re-refining.
Source: own elaboration with data from (Abro et Al, 2013)
0,9
0,93
0,88
0,01
2,02
0,09
0
0,5
1
1,5
2
2,5
Fresh Lube Oil Used Lube Oil Re-refined Lube
Oil
Specific gravity
Ash Content(%)
90
120
94
200
120
150
0
50
13
0
50
100
150
200
250
Fresh Lube
Oil
Used Lube Oil Re-refined
Lube Oil
Viscosity(cP)
Flash Point (ºC)
Iron contamination(ppm)