March 31, 2025

In an effort to tackle ever increasing CO2 emissions generated during the disposal of paper diapers, Sumitomo Heavy Industries Environment Co., Ltd. (Head Office: Shinagawa-ku, Tokyo, President: Takanori Nagai, a fully owned subsidiary of Sumitomo Heavy Industries Ltd.) together with Total Care System Co. (Head Office: Fukuoka City, Fukuoka, CEO: Takeshi Cho), Daio Paper Corporation (Head Office: Chiyoda-ku, Tokyo, President and Representative Director, CEO: Yorifusa Wakabayashi), TOPPAN Inc. (Head Office: Bunkyo-ku, Tokyo, President and Representative Director: Masanori Saito), NIPPON SHOKUBAI CO., LTD. (Head Office: Chuo-ku, Osaka, President & CEO: Kazuhiro Noda), and LiveDo Corporation (Head Office: Chuo-ku, Osaka, President and Representative Director: Tomohito Uda) (hereafter “the six collaborating companies”) are collaborating in a project to establish a “novel material recycling system for disposable paper diapers.”
To evaluate the environmental impact of this system the six collaborating companies have carried out an Life Cycle Assessment (LCA) together with The University of Kitakyushu (Headquarters: Kitakyushu City, Fukuoka, President: Masato Yanai).

Please refer to the PDF file for more details, including the project outline and calculation results.