Kozaburo Sakano is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of chemical engineering, particularly in the recovery of terephthalic acid from spent polyethylene terephthalate. With a total of 15 patents to his name, Sakano's work has had a considerable impact on recycling processes and materials recovery.

Latest Patents

One of Sakano's latest patents is titled "Process for recovering terephthalic acid from pulverized product of spent polyethylene terephthalate and system for use in such process." This innovative process involves several steps:

1. A decomposition reaction step where pulverized products of spent polyethylene terephthalate are subjected to a decomposition reaction in ethylene glycol with alkali.

2. A solid-liquid separation and impurities-removing step where ethylene glycol is separated from the decomposition slurry.

3. A neutralization and crystallization step to crystallize terephthalic acid.

4. A solid-liquid separation and washing step to obtain and wash terephthalic acid crystals.

5. A drying and pulverization step to finalize the terephthalic acid product.

Career Highlights

Throughout his career, Kozaburo Sakano has worked with prominent companies such as Toyo Seikan Kaisha, Ltd. and Tsukishima Kikai Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative processes.

Collaborations

Sakano has collaborated with notable colleagues, including Jinichi Yazaki and Junichi Matsuo. These partnerships have contributed to the advancement of his research and inventions.

Conclusion

Kozaburo Sakano's contributions to the field of chemical engineering, particularly in the recovery of terephthalic acid, highlight his innovative spirit and dedication to sustainability. His work continues to influence recycling processes and materials recovery in the industry.

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