Abstract
In this article, a review of the literature on the technology of production of a paving material based on elemental sulfur was made, and a laboratory test of this technology was carried out at the Department of Highly Viscous Crude Oil and Natural Bitumen. Attempts to mix sulfur with bitumen in order to reduce the cost of road construction and sulfur utilization were undertaken earlier, however, the mixtures obtained did not provide the appropriate quality, and the process was difficult to implement. The article proposes a unique technology for obtaining not a physical mixture, but the formation of a chemical bond between sulfur and bitumen with the formation of bitumen polymers. This technology becomes possible with the use of a catalyst specially developed by the initiators of the project and has no analogues in the world practice. Thus, the scientific novelty of the study is determined by the fact that for the first time an analysis is made of the composition of the components of the complex, which are subsequently introduced into the mixture with the feedstock in order to obtain the target product, which is gray-bitumen.
Highlights
In recent years, great attention has been paid to the modernization of technologies for the production of binding materials for paving, which contributes to the increase in the life of roads
Given the market competitive ability of commodity petroleum products, as well as the impact of the crisis on energy, early in 2000, scientific research began to develop intensively, including the search for new technological approaches to solving technoeconomic and environmental problems associated with road surfaces, which are of primary interest for all states and manufacturing enterprises. These events are reflected in the research work of several developed countries and a large manufacturing company, such as Shell Oil Company [1], on the production of paving materials using an elemental sulfur modifier that behave as a polymer compound in bitumen
A review of literature data from various sources on the use of sulfur in waste. They say that sulfur, introduced into bitumen, is in two states: liquid and solid
Summary
Great attention has been paid to the modernization of technologies for the production of binding materials for paving, which contributes to the increase in the life of roads. Given the market competitive ability of commodity petroleum products, as well as the impact of the crisis on energy, early in 2000, scientific research began to develop intensively, including the search for new technological approaches to solving technoeconomic and environmental problems associated with road surfaces, which are of primary interest for all states and manufacturing enterprises These events are reflected in the research work of several developed countries and a large manufacturing company, such as Shell Oil Company [1], on the production of paving materials using an elemental sulfur modifier that behave as a polymer compound in bitumen. It is for this reason that the purpose of our research work will, in the future, be more closely related to sulfur-based polymer compounds, in other words, sulfur bitumen
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