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Interfacial Properties of Petroleum Products by Lilianna Z. Pillon | PDF Free Download.
Lilianna Z. Pillon grew up in Poland where she received an MSc degree in chemistry from the University of Lodz. She came to Canada to obtain a doctorate degree in chemistry and graduated with a Ph.D. degree from the University of Windsor in Ontario.
She was awarded a National Research Council Canada Postdoctoral Fellowship and studied polymer blends at the NRC Industrial Materials Research Institute in Boucherville, Quebec.
She joined Polysar Ltd., Latex R&D Division, where she developed an interest in polymer emulsions and was awarded the first prize for the best technical presentation on ‘‘Crosslinking Systems for Latex Materials’’ at the Polysar Global Technology Conference.
She also worked for Imperial Oil, Research Department, where she was awarded patents related to the interfacial properties of petroleum products and the use of surface-active additives.
Crude oils are complex mixtures of different molecules and their phase stability is dependent on many factors. The various issues related to crude oil stability, such as asphaltene and wax deposition, were studied and many predictive models were developed.
With an increase in the exploitation of many oil fields, the properties of crude oils are changing. Many high-value crude oils have increased viscosity, metal, salt, and acid contents leading to deterioration in their interfacial properties.
Poor properties of crude oils at their oil=air, oil=water, and oil=metal interfaces lead to increased foaming tendencies, stable emulsions, rust, and corrosion.
Crude oils are the feedstocks used to manufacture different petroleum products, such as fuels, lube oil base stocks, wax, and asphalts, and their transportation and storage are becoming more difficult.
The refining of crude oils is based on removing unwanted molecules or modifying their chemistry to increase the yields and improve the properties of petroleum products. After desalting and distillation, many petroleum oils have poor stability leading to sediment formation, rust, and corrosion.
After additional processing, such as solvent extraction, dewaxing, and finishing, the lube oil base stocks foam when mixed with air, form emulsions when mixed with water, and cause rusting and corrosion.
After hydroprocessing, catalyst deactivation and poor stability of some petroleum products increase the processing cost. Hundreds of additives, including surface-active molecules, are being developed and used to improve the interfacial properties of petroleum products; however, while their use is cost-effective, their effect is limited.
As the viscosity of petroleum products increases, from fuels to lube oil base stocks, their interfacial properties change which should be of interest to the refining of heavy oils from oil sands.
I would like to acknowledge the help of Dr. James G. Speight, the editor of the Petroleum Science and Technology journal, in publishing this book.
The data used in this book are based on many literature searches and I would like to acknowledge the help provided by many libraries, such as the University of Windsor, the University of Western Ontario, McMaster University, and Sarnia Public Library in Canada.
The many tables with the experimental data, included in this book, are the result of obtaining copyright permissions from many publishers around the world and I would like to thank the many authors for the use of their technical data.
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