74 / 222
البحـث الأول
مجلة النفط والتعاون العربي
161
العدد
- 2017
أربعون
المجلد الثالث و ال
2016
أوابك العلمية لعام
�
ص لبحوث العلمية الفائزة بجائزة
�
عدد خا
67
57
The Trailblazer Process:
Fig (16). This process is based on preflash to remove water and light ends
followed by vacuum distillation to produce industrial or marine fuel close to
virgin vacuum gas oil. The bottom of the vacuum step is asphalt extender. One
plant in the US processes 170 thousand tons a year of used oil.
Fig (16)
–
Trailblazer Process
–
Source 107
The Zimmark Process:
Fig (17). This p cess involves coagulation and precipitation with chemicals to
remove impurities by precipitation at elevated temperature. After days of settling,
it is followed by distillation to produce desired cuts. The products qualities are
poor and may be used as fuel or mixed with lubes for low grade applications.
There are units in Canada, US, Mexico and Asia. Mobile units are reported in
Canada to avoid transportation of used oil.
Fig (17)
–
Zimmark Process
–
Source 107