Abstract
The study of the composition of the mining industry rubber waste pyrolyzates is an urgent research task. The study of the rubber waste pyrolyzates: solid carbon residue and various fractions of the pyrolysis liquid is presented in the work. A high content of sulfur compounds in all fractions of the pyrolysis liquid was found. The possibilities of improving the quality characteristics of the solid carbon residue and reducing sulfur- containing substances in the fractions of the pyrolysis liquid, which will allow their use as adsorbents and motor fuels, are considered.
Highlights
The development of the mining industry leads to an increase in the amount of rubber waste, the main component of which is obsolete car tires and conveyor belts
With increasing interest in waste processing, pyrolysis is considered to be an alternative process for extracting commercial benefits from rubber waste
It was found that the obtained solid carbon residue has low quality characteristics, a high content of sulfur compounds; upgrading is required to expand the scope of its possible applications
Summary
The development of the mining industry leads to an increase in the amount of rubber waste, the main component of which is obsolete car tires and conveyor belts. Their disposal is a serious environmental problem, since these polymeric materials are difficult to decompose. Pyrolysis has advantages over other methods of disposal of waste tires: it is converting into commercial products, the possibility of using pyrolysis products as fuel and adsorbents. To increase economic efficiency and expand the scope of application of pyrolysis products, further research is needed in the field of technological conditions, optimization, characterization and processing of goods from pyrolysis products. The yield of each fraction depends on the process conditions, such as temperature, pressure, heating rate, particle sizes, heat transfer system, catalysis [1]
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