Waste to Wealth

Researchers Turn Plastic Waste into Fuel

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It can also be converted into activated carbon for purification purposes. The petroleum gases produced are used internally to meet the energy requirements of the process. Being a closed loop process, it allows mass and enthalpy conservation exercise to be carried out so as to establish that no material is expelled in to the environment.

Rotating reactor vessel at the Corona Energy Plant
Rotating reactor vessel at the Corona Energy Plant
(Picture: Corona Energy)


As is evident from Table 1, all the input waste material is converted and recovered as output in the form of high calorific value solid, liquid and gaseous fuels. The material as well as energy balance at the output vis-à-vis that at the input make an excellent statement, and that is, the process has nothing to discharge into the atmosphere, thereby, not creating any secondary pollutions of air, water and soil.


Multiple safety layers built in the design help operate the plant in a safe manner. Oxygen free vaporization coupled with relatively low but positive pressure operations at moderate temperatures help achieve required levels of safety.

Environmental Perspective

For a long time, plastic waste has not been handled with environmental concerns. Land fill, incineration or littering has been causing irreparable damages to the eco system. Now, the proposed alternative of the Catalytic de-polymerization of plastic waste addresses the issue in a comprehensive manner, with an environmental perspective at its core. The Corona De-polymerization model ensures that there is zero release of solid, liquid or gaseous pollutants to the environment. This provides the process a green initiative status besides making it a commercially very attractive proposition.

Social Perspective

Besides being socially sensitive to the cause of plastic waste management issue, the green Catalytic De-polymerization process converts waste plastic material into commercially meaningful and high-indemand fuels for the industry. Additionally, it produces about 15 – 20 per cent of the output in the form of high calorific value coke. This can serve as a rich source of domestic fuel in rural areas as a replacement for commonly used fire wood, thereby, minimizing felling of trees and additionally saving daily man-hours deployed in collecting fire wood.

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