Preparation of Some Synthetic Polymers as Pour Point Depressants for Diesel Fuel

Preparation of Some Synthetic Polymers as Pour Point Depressants for Diesel Fuel

Preparation of Some Synthetic Polymers as Pour Point Depressants for Diesel Fuel

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Preparation of Some Synthetic Polymers as Pour Point Depressants for Diesel Fuel

Sherif Hussein Kandil*, Mosad Attia El-Kasaby*, Shaker Mabrouk Ebrahim*, Mohamed Abd Elrzzak Ibrahim Ahmed**

Institute of Graduate Studies & Research, Alexandria University.* Alexandria Mineral Oils Company (AMOC) **

 

Abstract:

The science of polymers, more specifically, synthesis, characterization, and physicochemical properties in solutions, has wide applications in the petroleum industry, which uses polymers as components of fluids or additives to overcome problems that affect oil production and/or increase production costs. A long term problem confronting the transportation of crude oils and refined middle distillate fuels is the abrupt degradation of the system viscoelastic properties as temperatures fall below ∼0 °C. The prime contributor to this unfavorable event is the phase separation of paraffins (waxes) with carbon contents ranging from C16 to ∼C38. This problem has been addressed, using some Polymers of individual and mixed normal C12, C14, CI6, and C18 α-olefins. The performance of poly-α-olefins is assessed for improving the cold flow properties of a local diesel fuel produced from AMOC in terms of pour-point depression. Results showed that poly-α-olefins have great potential in decreasing the pour point of the diesel fuel. Efficiency of the polymeric pour-point depressants was discussed on the basis of their structure using Fourier transform infrared spectroscopy, gel permeation chromatography and X-ray diffraction, differential scanning calorimetry and Thermal analysis.

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