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Techno-economic Evaluation of a Mini Refinery Fabrication

Asghari, Nafiseh | 2013

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 44525 (06)
  4. University: Sharif University of Technology
  5. Department: Chemical and Petroleum Engineering
  6. Advisor(s): Farhadi, Fatolah
  7. Abstract:
  8. Mini-Refinery is a small refinery that would need less time, effort and expenses to build in comparison with current refineries but it would have less capacity of operation. This type of refineries could create the opportunity to refine materials in place and reduce overload pressure on main refineries. In addition, private companies would be able to build them easier, due to their low cost and since the desired capacity of their equipment would be lower than current refineries, more companies would be able to fabricate and sell them. This research has two main chapters to assess the possibility of building a Mini-Refinery, to produce 30000 barrel a day of LPG, Gasoline, Kerosene, Diesel and Fuel oil, from technical and economical point of view and light crude oil has chosen as its primary raw material, due to its less complexity and more profitability. Using Aspen software, six different scenarios for this Mini-Refinery, were evaluated and designed, based on the properties of the crude oil and capacity of the refinery, which are explained in technical evaluation chapter. Microsoft Excel program was used in economic evaluations which are presented in their respected chapter. After these assessments, the case which had distillation column, reformer and heat cracking unit with finance return period of 36 percent was chosen as the best possible solution. Based on the performed calculations, changing the type of the crude oil inlet, from light to heavy, would destroy the economic advantages of this design. In this case, if a hydro-conversion unit were used, the rate of financial return would increase, assuming that there would be a reasonable price difference between heavy and light crude oils prices
  9. Keywords:
  10. Crude Oil ; Design ; Mini Refinery ; Economic and Technical Study

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