Abstract
In the article, the authors propose a stochastic model for the implementation of the project for the introduction of sulfur polymers in key sectors of the Ukrainian economy. A model based on GERT networks and the theory of closed flow graphs allow you to clearly and fully represent the stages, take into account the stochastic nature of both the development process itself (through the use of probabilistic considerations regarding the time of each operation and the reliability of its execution), and the influence of various factors of endo- and exogenous in nature. The project provides for the development and application of ecological polymer composite materials (sulfur asphalt concrete and sulfur concrete) with the introduction of industrial waste, including sulfur-containing ones, to ensure the principles of a circular economy. According to the authors, the project is one of the conditions for stimulating the implementation of strategic directions for the development of the domestic industry on the use of the latest environmental technologies of sulfur polymer materials in the construction of the country’s infrastructure, providing for a reduction in the ecological, carbon, sulfur-containing and material footprint, the transition to environmentally friendly technological solutions, the introduction of principles of circularity of the economy.
Highlights
One of the priority tasks requiring extraordinary attention in Ukraine and in other countries is the solution of the environmental, technical and economic problem arising from the utilization of sulfur and is formed as a by-product of oil and gas processing, the volume of which reaches several tens of millions of tons
Note that the European Green Deal, adopted in 2019, is a policy document that defines strategic changes in the EU’s environmental and climate policy; it is an ambitious program describing the transition to a climate-neutral, circular economy by 2050 – an extremely complex and ambitious step that should completely change the economies of the European Union and partner countries [7]
Specific policies and measures foreseen by the European Green Deal include the development of several strategies, in particular an industrial strategy and an action plan for a circular economy, reforms in the construction industry, a chemical strategy, etc. [8]
Summary
One of the priority tasks requiring extraordinary attention in Ukraine and in other countries is the solution of the environmental, technical and economic problem arising from the utilization of sulfur and is formed as a by-product of oil and gas processing, the volume of which reaches several tens of millions of tons. Sulfur compounds in terms of their negative impact on the environment occupy one of the first places among pollutants Converting this sulfur and man-made waste from storage facilities into promising building materials is an important national task, which is in line with the goals of the European Green Deal [1], which soon will form the main trends in climatic, environmental, economic, transport, agricultural policies in the EU and in other European countries, in particular, Ukraine Against the background of the deteriorating environmental situation and the active restructuring of the Ukrainian economy to the Western model, the construction and infrastructure spheres of our state need new, better materials. Sulfur asphalt concrete and sulfur concrete (sulfur polymers) have significantly better operational properties and strength characteristics in comparison with classical materials – bituminous asphalt concrete and cement concrete
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