Latest work with IntechOpen by Maciej Paczuski
The book describes the results of research dealing with two types of petroleum dispersions: water in petroleum fractions and fuels as well as asphaltenes in crude oil. Such industrial research is aimed at acquiring new knowledge useful for improving processes and products. The main goal of the research carried out was to solve problems of refining technology and the exploitation of petroleum products. Some of the developed solutions have been patented and applied in industry. The problem of solubilizing a small technological amount of water in gasoline and diesel fuels with the aid of surfactant compositions has been successfully resolved. This solution has been used in business practice; it also increases the water tolerance of gasoline with 5% ethanol and allows for the effective use of LPG. The coalescence on fibrous barriers for dewatering fractions from the atmospheric distillation of crude oil allowed for the economic removal of dispersed water and additionally - the removal from diesel distillates of a significant part of the mineral contaminations. A coalescing method of removing sodium lye dispersed in heavy gasoline from the FCC process was successfully used in an industrial plant, replacing the sand filter used in Merox technology. The deep dehydration of the hydrotreated kerosene fraction by evaporating water into an inert gas, a nitrogen blanket, was developed. The product was additionally protected against the aging processes. The influence of pyrolysis oil, a waste product of the pyrolysis process, on the physical structure of crude oil was investigated. The results of the laboratory tests were verified in industrial trials in the AVD plant. Positive test results made it possible to use pyrolysis oil on an industrial scale changing the dispersion structure and properties of crude oil as well as distillation results.
Go to the bookChapters authored
Water in Petroleum and Petroleum Products
The chapter presents experimental data, published in numerous source materials and reviews, on the mutual solubility of water in hydrocarbons and hydrocarbons in water, relationship of water solubility in hydrocarbons depending on the structure of the organic compound molecule and the change of solubility as a function of temperature. Possibilities of water solubilization, dissolved and dispersed in hydrocarbons, their mixtures as well as fractions, and petroleum products were analyzed. With the help of turbidimetric measurements, surfactants and mixtures of surfactants with the highest water solubilization capacity in fuels were selected. Different methods of dewatering of distillate fractions, gasolines, and diesel fuels with the use of coalescing partitions were investigated. A number of barrier materials, methods of modifying the structure of the partition, and the hydrophilicity of glass fibers were tested, obtaining very good results in industrial applications.
Part of the book: Physicochemistry of Petroleum Dispersions in Refining Technology
Modification of Asphaltene Dispersions in Crude Oil
The physical structure of asphaltene dispersion in crude oil is important from the point of view of refining technology and can subject to modification, for example, using an aromatic component, such as pyrolysis oil. The lab results were verified in industrial tests in the atmospheric-vacuum distillation (AVD) process of crude oil. Positive test results made it possible to use pyrolysis oil on an industrial scale as the component, favorably changing crude oil’s dispersion structure and properties. The implementation of a new method of distillation of crude oil partially confirmed the expected effects and revealed new aspects of technology modification. In the course of research on this type of petroleum dispersion, carried out for the refining industry, several patented solutions have been developed, some of which have been successfully applied in the industry.
Part of the book: Physicochemistry of Petroleum Dispersions in Refining Technology