Taiyo Oil and Mitsui Chemicals are partnering to expand the supply of chemical recycling products derived from waste plastics [1].
This initiative aims to secure a domestic supply of hydrogen and naphtha, reducing Japan's reliance on fossil fuel imports from the Middle East. By transforming plastic waste into raw materials, the companies seek to build a circular economy that mitigates the risks associated with geopolitical instability [1, 2].
The collaboration includes other industry players, such as ENEOS and Mitsubishi Chemical [1]. Much of the operational focus is centered on the Mitsubishi Chemical Ibaraki Works in Kamisu City, Ibaraki Prefecture [2]. The process involves chemical recycling, which breaks down plastic waste into its original chemical components rather than simply melting it down.
Steve Mahon, CEO of MURA Technology, said recovering oil and naphtha from waste plastics is a significant step toward a practical circular society [1]. The companies began exploring this collaboration in 2026 to accelerate the deployment of these technologies [1, 2].
A representative from Taiyo Oil said the company will work with Mitsui Chemicals to accelerate the supply of these recycled products [1]. This move allows the companies to treat plastic waste as a resource rather than a pollutant.
Industry experts highlight the strategic importance of these materials for the future of the chemical industry. A representative from Mitsui Chemicals said that naphtha derived from recycled plastics is important as a next-generation chemical raw material [2].
The push for these technologies has gained momentum as Japan seeks to diversify its energy sources. The ability to produce essential chemical feedstocks domestically provides a buffer against price volatility, and supply chain disruptions in the global oil market [1, 2].
“Recovering oil and naphtha from waste plastics is a significant step toward a practical circular society.”
This partnership represents a strategic shift toward 'urban mining' for chemical feedstocks. By decoupling the production of naphtha and hydrogen from Middle Eastern crude oil, Japan is attempting to treat its plastic waste stream as a strategic energy reserve. If successful, this chemical recycling model could serve as a blueprint for other industrial nations facing similar energy security vulnerabilities and environmental mandates.



