Environment
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Waste Reduction

Waste Reduction Initiatives

The Sumitomo Riko Group's total amount of waste excluding valuable resources and total waste generated in fiscal 2020 decreased by 20.6% and 16.9%, respectively, compared to fiscal 2017. Meanwhile, emission intensities for these two categories in fiscal 2020 were down 7.1% and 2.8% respectively from fiscal 2017 levels.
This is due to the reduction of defects, improvement of yield rate, and reuse (recovery of valuable resources) of unvulcanized rubber. (since fiscal 2017, we have set a target to reduce waste excluding valuable resources).

Waste emissions (excluding valuable resources) (Sumitomo Riko Group)
Waste emissions (excluding valuable resources) (Sumitomo Riko Group)
  • ※1 The denominator of the emission intensity is net sales of companies within the boundary of data aggregation (after elimination of intracompany transactions).
Waste emissions (Sumitomo Riko Group)

Independent Assurance

Waste emissions (Sumitomo Riko Group)
  • ※2 Data boundary in fiscal 2016: Sumitomo Riko, eight Sumitomo Riko Group companies in Japan, and 25 Sumitomo Riko Group companies overseas.
  • ※3 17 overseas companies have been added to the data aggregation since fiscal 2017
  • ※4 The denominator of the emission intensity is net sales of companies within the boundary of data aggregation (after elimination of intracompany transactions).
  • ※5 The amount of waste includes the amount of substances containing valuable resources.

Example of waste reduction

SumiRiko Eastern Rubber (Thailand) Ltd. conducted an activity to collect and reuse waste straws as materials for pillows. During the four-month period from September to December 2019, six collection stations were set up in the company to collect waste straws. After the straws were collected, they were washed, dried, cut into short pieces, and put into pillowcases to be used as pillows made of discarded straws. A total of 10 pillows were made and donated to the hospital.

写真

Straws after cutting

写真

Finished pillow made of discarded straw.

Approaches to marine plastic waste problem

As an activity to improve the marine plastic waste problem, we replaced plastic spoons with paper ones for desserts in the cafeteria of the Komaki Plant.We will continue to make improvements, one step at a time, wherever we can.

Future Issues and Responses

In fiscal 2021 also, the business unit promotion managers will lead activities to achieve the fiscal 2022 target (5% reduction of emission intensity compared to fiscal 2017). In particular, we will boost the ongoing efforts of each business unit in the reduction of defects and improvement of yields, to reduce waste emissions and reuse generated waste by converting it into valuable resources for recycling.
In addition, examples of highly effective defect reduction and yield improvement will be disseminated by the business unit promotion managers to the relevant bases, in an effort to strengthen the reduction activities of each Group company.

SUMITOMO RIKO COMPANY LIMITED.

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