Sustainable management of plastic waste in cement kilns

Plastic waste is a major cause of concern worldwide. The rampant littering of this material causes severe damage to the environment. It causes pollution to soil, air and water. Further, it is also is contaminating oceans endangering the survival of aquatic life. The main reason for this concern is the linear economy that we are practicing in which the approach is “take, use and throw”. It is important therefore that this plastic waste is managed in an environmentally sound, ecologically sustaining and economically attractive manner. There are various technological options available to ensure that both recyclable and non-recyclable plastic wastes are managed in a sustainable manner. Management of recyclable plastics is a commercially demonstrated option and is practiced widely. However, management of non-recyclable plastic waste has always been a concern and cement kiln co-processing is one of the most suitable commercial option for managing this waste in a sustainable manner. To implement this option successfully, there are certain technical challenges that need to be addressed appropriately. This paper discusses the relevant aspects related to sustainable management of the plastic waste generated from industries, agriculture, commercial establishments and households and the role of cement kiln co-processing in the same.

Author: U. Parlikar

Section: Waste utilization

Keywords: plastic waste, co-processing, cement kiln