What is PYROLYSIS?
Pyro = “heat” and Lysis = “break down”
Pyrolysis is a thermochemical decomposition of organic material at elevated temperatures in the absence of oxygen (or any halogen). It involves the simultaneous change of chemical composition and physical phase, and is irreversible. The word is coined from the Greek-derived elements pyro "fire" and lysis "separating"
At any given temperature the molecule is in vibrating stage. This is called molecular vibration. The frequency at which molecules vibrates is the directly proportional to the temperature of molecules. During pyrolysis the object’s molecules are subjected to very high temperatures leading to very high molecular vibrations. At these high molecular vibrations, every molecule in the object is stretched and shaken to such an extent that molecules starts breaking down into smaller molecules. This is pyrolysis.
Simplest example of pyrolysis is food cooking. When you cook food the temperature of food increases leading to higher molecular vibrations and breakdown of larger complex molecules into smaller and simple molecules. After cooking larger food molecules are pyrolyzed into smaller in simpler molecules which are easy to digest.
What is Plastic and Tire Pyrolysis?
Plastic and tire pyrolysis involves subjecting plastic and tire to high temperature of 400 to 450 degree Celsius, in absence of oxygen. In case of oxygen is present plastic will start burning. During pyrolysis plastic and tire breaks down into smaller molecules of pyrolysis oil, pyrolysis gas and carbon black. Like plastic and tire, pyrolysis end products are also hydrocarbons. Pyrolysis is great way of recycling waste plastics and tires.
Showing below are benefits of waste plastic and tire pyrolysis.
- Recycles synergy of waste plastic and tire into usable fuel.
- Offers renewable energy source.
- The in product can be used as fuel in existing industrial boilers and furnaces.
- End products can also be used for generating electricity.
- Eliminates hazard of land pollution by waste plastics and tire.
- Converts waste into energy.
- Clears dumping yards and environment of non bio degradable plastic and tire waste.