| Title | Manufacturing energy and greenhouse gas emissions associated with plastics consumption |
|---|---|
| ID_Doc | 7892 |
| Authors | Nicholson, SR; Rorrer, NA; Carpenter, AC; Beckham, GT |
| Title | Manufacturing energy and greenhouse gas emissions associated with plastics consumption |
| Year | 2021 |
| Published | Joule, 5, 3 |
| Abstract | Reducing the carbon intensity of plastics production by sourcing sustainable feedstocks while simultaneously enabling effective polymer recycling represents a potential transformation of 21st century manufacturing. To evaluate technologies that could enable such changes, it is imperative to compare the sustainability of bio-based and/or circular plastic flows to those of incumbent manufacturing paradigms. To that end, we estimate the supply chain energy requirements and greenhouse gas (GHG) emissions associated with US-based plastics consumption. Major commodity polymers, each of which has a global consumption of at least 1 MMT per year, account for an estimated annual 3.2 quadrillion Btutus (quads) of energy and 104 MMTCO(2)e of GHG emissions in the US alone. This study serves as a foundation for comparing the supply chain energy requirements and GHG emissions of today's plastics manufacturing to tomorrow's disruptive technologies, to inform the development of bio-based plastics and the circular economy for synthetic polymers. |
| http://www.cell.com/article/S2542435120306267/pdf |
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