Pyrolysis is an extremely interesting alternative when it comes to recycling tire materials for the purpose of
Basically, pyrolysis is thermal decompositionorganic and many inorganic compounds. In the narrow sense - the decomposition of organic natural compounds with a lack of oxygen. Pyrolysis can be defined as the high temperature thermolysis of hydrocarbons carried out at low pressure and short duration.
In this context, pyrolysis involves the degradation of the rubber of a tire by heat in the absence of oxygen. The products and their yield depend on the conditions in which the pyrolysis is carried out.
The research team analyzedthe most important benefits of increasing the value of used tires through catalytic pyrolysis. The main interest in increasing the value of waste tires through pyrolysis is based on the potential of the resulting products: gas, liquid and solid - coal. The yield and composition of each of them depend on the pyrolysis conditions, scientists say.
Liquid is the main product obtainedin catalytic pyrolysis. This liquid is of the greatest interest because it can be used as a fuel. Its composition is complex and includes various types of compounds as well as sulfur compounds that limit its direct use as a fuel. Interest in catalytic pyrolysis is usually associated with improving the properties of the output products.
Pyrolysis gases can also be used inas a fuel for power generation. And, of course, coal, which is made up of the carbon black present in the tire. It can be reused as carbon black in tire production.
Now researchers are gradually correlating andimprove the pyrolysis process to ensure the distribution of products with a more suitable composition for their potential use as a fuel or raw material, the scientists conclude.
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