In general, the end products of waste plastic pyrolysis and condensation are mainly fuel oil and carbon black. This pyrolysis and condensation is mainly achieved by the waste plastic pyrolysis plant. Followwing I will mainly introduce the basic principle of pyrolysis and condensation technology and the application of end products of waste plastic pyrolysis and condensation.
DOING waste plastic pyrolysis plant
Basic principle of pyrolysis and condensation technology
Plastics are petroleum products using petroleum as raw materials. The basic principle of pyrolysis and condensation technology is to crack the original polymer macromolecules in waste plastic products at a high temperature to make them return to a low relative molecular mass or monomer state process. The main performance of the cleavage reaction is that the C-C bond is broken, accompanied by the C-H bond breaking.
Basic principle of plastic pyrolysis technology
End products and their applications from plastics pyrolysis and condensation
By heating plastic to absorb heat under anaerobic conditions, energy is decomposed to generate small molecular hydrocarbons, that is, a mixed gas of oil, usually at a temperature of 400-600 degrees. The main end product of waste plastics are mixed light hydrocarbons and naphtha . Gaseous products such as heavy oil, kerosene, and mixed fuels. Then, the liquid gas is liquefied by cooling to finally obtain light fuel products (light oil such as gasoline and diesel). This type fuel could be use as fuel for heating purpose in many industries, like cement factories, steel factories, glass plant, brick plant, etc. And it also could be used as raw material for refinery to get diesel.
The residue that cannot be cracked is carbonized under high-temperature heating and becomes carbon black.This carbon black could be used as fuel to replace charcoal.
End products and their applications from plastics pyrolysis and condensation Application of plastics pyrolysis and condensation
Through the pyrolysis and condensation process, waste plastics can be converted into fuel oil and carbon black. This process can recycle most of the plastic waste on the market, the non-polar plastics such as polyethylene, polypropylene, and polystyrene.
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