What is pyrolysis of plastic?


The global plastic production increased over years due to the vast applications of plastics in many sectors. The continuous demand of plastics caused the plastic wastes accumulation in the landfill consumed a lot of spaces that contributed to the environmental problem. The rising in plastics demand led to the depletion of petroleum as part of non-renewable fossil fuel since plastics were the petroleum-based material.

Henan Doing produced waste plastic pyrolysis plant can process waste plastic to fuel oil ,carbon black .

What is pyrolysis of plastic?

Pyrolysis is the process of thermally degrading long chain poly- mer molecules into smaller, less complex molecules through heat and pressure. The process requires intense heat with shorter dura- tion and in absence of oxygen. The three major products that are produced during pyrolysis are oil, gas and char which are valuable for industries especially production and re?neries. Pyrolysis was chosen by many researchers since the process able to produce high amount of liquid oil up to 80 wt% at moderate temperature around 500 C, In addition, pyrolysis is also very ?exible since the pro- cess parameters can be manipulated to optimize the product yield based on preferences. The liquid oil produced can be used in mul- tiple applications such as furnaces, boilers, turbines and diesel engines without the needs of upgrading or treatment Unlike recycling, pyrolysis does not cause water contamination and is considered as green technology when even the pyrolysis by- product which is gaseous has substantial calori?c value that it can be reused to compensate the overall energy requirement of the pyrolysis plant.

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