Journal
JOURNAL OF CLEANER PRODUCTION
Volume 361, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2022.132092
Keywords
Waste-to-energy; MacroConverter ?; Decentralized plastic pyrolysis; cogeneration; Supply-chain optimization
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Funding
- Lahore University of Management Sciences (LUMS) [STG174-LUMS-CHE]
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With the collapse of the global recycling industry following the China import ban in 2017, the amount of plastic waste has been increasing rapidly. This study introduces a proof of concept for a biomass heating and plastic-derived pyrolytic oil production cogeneration system, and evaluates a disruptive business model for decentralized plastic pyrolysis. The initial assessment suggests that the decentralized model can increase profitability and reduce transportation costs and CO2 emissions.
As the global recycling industry has collapsed since the China import ban of 2017, the amount of plastic waste has been rapidly increasing with little to no economic incentives for its utilization as a feedstock. For the first time, this work demonstrates a proof of concept, pilot-scale cogeneration system for biomass heating and plasticderived pyrolytic oil production (MacroConverter (R)). Furthermore, a disruptive techno-economic business model for decentralized plastic pyrolysis is assessed and compared with a traditional centralized industrial system through superstructure supply-chain optimization. Results of this initial assessment indicate that using a decentralized plastic pyrolysis model, combined with seasonal heating demand, profitability can be increased (1.3-2.4 x) and the process is unlikely to show a loss of profit whereas the centralized process may show losses. Furthermore, compared to centralized pyrolysis, transportation costs, and related CO2 emissions were significantly decreased by 3-10 x and 1.4-7 x respectively.
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