deposits

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.