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Abstract
In recent years, there has been a further development of refining technology, which make it possible to better use of crude oil, which also has a major impact on the quality of bitumen. Most European refineries, of course, are processing, for reasons of the resale of petroleum products, especially petroleums suitable for the recovery of light and middle fractions. Therefore, light petroleums are required, with low yields of heavy fractions, which are highly economically and in dispositions efficient for processors on the petroleum market. Emphasis is placed on the sulfur content, the paraffin content is no longer the most important aspect. Less important from the perspective of the refinery is the content and the ratio of asphaltenes and maltenes. There is no doubt that we will have to change our view on petroleum products. Their availability will continue to decline, their price, on the other hand, is likely to grow in relation to falling supplies of resources. Therefore, the view of the bitumen must be changed. The most common way of production of PG bitumen is vacuum distillation, which is carried out in such a way that the vacuum distillation residue satisfies it´s properties bitumen requirements for the relevant penetration.
Highlights
The manufacturers of asphalt mixtures [1, 2] for development of quality uses their own technological processes for processing and newest technology and with their help ensure the required quality and application properties of the product
The chemical properties determination allows to measure and undestand the various interactions among molecular species that contribute to behaviour of bitumen
The goal of a study was determine correlation of chemical and physical properties to explain the nature of bitumen
Summary
The manufacturers of asphalt mixtures [1, 2] for development of quality uses their own technological processes for processing and newest technology and with their help ensure the required quality and application properties of the product. The datasheets determine the ways and use of bitumen binders for the production of mixtures for wearing courses, binder and base courses. The current state of the asphalt roads has led to new ways and approaches being sought to better describe the properties of bitumen binders and mixtures. One such approach is "performance related” approach. Asphaltenes can be considered as solid particles that thicken bitumen binders They have dark brown sometimes a black color and higher molecular weight compared to resins. The chemical properties determination allows to measure and undestand the various interactions among molecular species that contribute to behaviour of bitumen. The goal of a study was determine correlation of chemical and physical properties to explain the nature of bitumen
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