Chemical recycling of Reclaimer Flake rejects

JP2026090497APending Publication Date: 2026-06-02EASTMAN CHEM CO
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
EASTMAN CHEM CO
Filing Date
2026-02-25
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Conventional recycling technologies struggle with economically viable recycling of low-value waste streams, particularly plastic flake rejection materials from reclaimer facilities, which often end up in landfills due to their PVC content, and there is a need for a large-scale chemical recycling facility to process these materials effectively.

Method used

A chemical recycling facility that depolymerizes PET and PVC-containing reclaimer flake rejects, converting them into usable products through processes such as solvolysis, pyrolysis, and partial oxidation, producing recycled components and chemical intermediates.

Benefits of technology

Enables the conversion of undesirable plastic flake rejection materials into valuable products, reducing waste disposal and providing an economically viable solution for recycling otherwise unsuitable plastics.

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Abstract

The present invention provides a process and facilities for using one or more PET-containing materials as feedstock for chemical recycling facilities, particularly solvolysis facilities. [Solution] The PET-containing material used as a raw material may contain a certain amount of PET and PVC-containing reclaimer flake rejects. The PET and PVC-containing reclaimer flake rejects can be derived from various plastic reclaimer separation processes, including density separation. Such flake reject materials, due to their PVC content, are generally undesirable or unsuitable for use in mechanical PET recycling facilities and are typically sent to landfills and / or incinerators. However, the processes and facilities described herein utilize the PET and other plastics present in these flake reject materials that are otherwise undesirable or unsuitable for use.
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