Asahi Kasei Ester Plant, Nobeoka City, Miyazaki Prefecture Quiet Circulation Born from Existing Facilities: Late 1990s to Early 2000s

Asahi Kasei Ester Plant, Nobeoka City, Miyazaki Prefecture Quiet Circulation Born from Existing Facilities: Late 1990s to Early 2000s
The chemical recycling of PET bottles at the Asahi Kasei Ester Plant in Nobeoka City, Miyazaki Prefecture, is an example of the practical adaptability of a local plant at a time when the formation of a recycling-oriented society in Japan was still in the exploratory stage.

In the late 1990s, Japan was facing a major turning point in its waste policy against the backdrop of tight final disposal sites and the dioxin problem. The implementation of the Containers and Packaging Recycling Law led to rapid progress in the sorted collection of PET bottles, but the recycling of these bottles was mainly for fiber and sheet applications, and it remained difficult to recycle them into high-quality applications such as beverage bottles. While the volume of collected PET bottles was increasing, ensuring the quality and outlet of recycling had emerged as a systemic issue.

Under these circumstances, the Asahi Kasei Ester Plant opted for a recycling-oriented business by converting existing facilities, rather than investing in a large-scale new facility. The plant originally had equipment for recycling yarn waste generated in the polyester fiber manufacturing process, and by applying this technology and process, a system was established to produce high-purity polyester from raw materials derived from PET bottles.

Nobeoka City has developed as a corporate castle town based on the petrochemical and textile industries, and the plant was a core component of the local economy and employment. The method of incorporating circulation as an extension of existing operations was realistic in that it would not place an undue burden on local factories and would allow them to operate in a stable manner.

At the time, Japanese recycling policy tended to focus on numerical targets and securing processing volumes, but Asahi Kasei's approach was a quiet practice that focused on the technical and managerial conditions necessary to make recycling work.

The Asahi Kasei Ester Plant in Nobeoka City, Miyazaki Prefecture, was an important example of how a recycling-oriented business can be established by reinterpreting the technologies and facilities that lie dormant within existing industries.