Development of Hydrogen Production Process via Pyrolysis of Plastic Waste: A Case Study on Shoes Waste 


Vol. 31,  No. 3, pp. 230-239, Sep.  2025
10.7464/ksct.2025.31.3.230


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  Abstract

Shoes are difficult to recycle and decompose because they are made of composite plastics. As a result, they are considered one of the major contributors to solid waste problems. To address these challenges, this study proposes and evaluates a novel hydrogen production process for waste shoes using a pyrolysis reactor in a CO2 condition and water gas shift reactors. The syngas produced through pyrolysis mainly consists of CO and H2. The CO is converted into hydrogen through a high-temperature shift reaction, a low-temperature shift reaction, and a combined reaction in which both are connected in series. As a result, the proposed process can produce over 3,000 kg of hydrogen annually at a cost of less than 2.52 $ kg–1. Utilizing waste shoes made from composite plastics as a feedstock contributes to waste reduction and resource circulation. This proposed process presents a sustainable and environmentally friendly alternative to conventional fossil fuel-based hydrogen production methods.

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  Cite this article

[IEEE Style]

J. Gil, D. Choi, J. Lee, H. Cho, "Development of Hydrogen Production Process via Pyrolysis of Plastic Waste: A Case Study on Shoes Waste," Clean Technology, vol. 31, no. 3, pp. 230-239, 2025. DOI: 10.7464/ksct.2025.31.3.230.

[ACM Style]

Jinwoo Gil, Dongho Choi, Jaewon Lee, and Hyungtae Cho. 2025. Development of Hydrogen Production Process via Pyrolysis of Plastic Waste: A Case Study on Shoes Waste. Clean Technology, 31, 3, (2025), 230-239. DOI: 10.7464/ksct.2025.31.3.230.

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

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