Abstract
Virgin polymers based on petrochemical feedstock are mainly preferred by most plastic goods manufacturers instead of recycled plastic feedstock. Major reason for this is the lack of reliable information about the quality, suitability, and availability of recycled plastics, which is partly due to lack of proper segregation techniques. In this paper, we present our ongoing efforts to segregate plastics based on its types and improve the reliability of information about recycled plastics using the first-of-its-kind blockchain smart contracts powered by multi-sensor data-fusion algorithms using artificial intelligence. We have demonstrated how different data-fusion modes can be employed to retrieve various physico-chemical parameters of plastic waste for accurate segregation. We have discussed how these smart tools help in efficiently segregating commingled plastics and can be reliably used in the circular economy of plastic. Using these tools, segregators, recyclers, and manufacturers can reliably share data, plan the supply chain, execute purchase orders, and hence, finally increase the use of recycled plastic feedstock.
Highlights
IntroductionPlastic has become both a symbol of human ingenuity and absurdity. We created this remarkable material with different properties and capabilities
Today, plastic has become both a symbol of human ingenuity and absurdity
In total costing method (TCM), we account for cost incurred in each step of the circular economy starting from the waste collection point to the final destination
Summary
Plastic has become both a symbol of human ingenuity and absurdity. We created this remarkable material with different properties and capabilities. For the first time, the amount of recycling for plastic waste was more than what went into landfills These figures are consoling, they do not reveal the ground reality in many countries. Increasing the amount of recycling in terms of material recovery will reduce the fossil fuel consumption and related greenhouse gas (GHG) emissions (Zheng and Suh 2019). This will spare us from not depleting valuable natural resources. We will first look at some of relevant recent developments and challenges in the circular economy of plastic
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