deposits

Global demand for crude oil has grown significantly over the past two decades. However, conventional light crude oil production is declining, and more and more deposits of heavy and waxy oil, including high waxy ones, are being developed, creating new technological challenges at every level of the process, from production to transportation and refining. Among the various problems, the main one is wax deposition. Since the costs of maintenance, repair, and achieving the required low-temperature properties of commercial oil products are very high, solving this problem becomes critical.

The article analyzes the scientific works devoted to the study of the peculiarities of the alabaster sculptural plastic restoration in three thematic groups: 1) the terminological meaning of the alabaster stone name; 2) mineralogy, the quarries and the stone-working areas of the alabaster stone; 3) preservation and restoration of the sculptural plastic of the alabaster stone. Dictionaries, encyclopedias, monographs give the terminological meaning of the name. In particular, the works by Bilets'kyi V. (2004), Bulda S. (1930), Polishchuk V. (2002), Voloshynets' V.

The paper contains the results of experimental study of visbreaking process with the use of organic part of asphalt-resin-paraffin deposits (ARPD) as a raw material component. We studied the influence of ARPD amount as the additive to tar on the output fuel fractions and their qualitative parameters. The proposals on modernization of the industrial visbreaking scheme with blended raw material were made. The analysis of economic performance of the modernized process was carried out.