- Safety, Accident Prevention, and Environmental Preservation
- Initiatives to Prevent Air and Water Pollution
CSR Activity Report (CSR Guideline Activity Reports) - Safety, Accident Prevention, and Environmental Preservation
Initiatives to Prevent Air and Water Pollution
Toray Group works continuously on environmental conservation measures at its production sites. Ongoing initiatives that it will continue include reducing sulfur oxide (SOx) emissions by installing desulfurization equipment and switching to cleaner fuels, and reducing biochemical oxygen demand (BOD) and chemical oxygen demand (COD) through stable operation and expansion of wastewater treatment facilities.
Air Emission Management
In fiscal 2021, Toray Group recorded 1,333 tons of SOx emissions (down 16% year on year), 2,690 tons of nitrogen oxide (NOx) emissions (up 23% year on year), and 315 tons of dust emissions (up 61% year on year). The year-on-year reduction in SOx emissions was due to the downsizing of coal-fueled boilers at group companies outside of Japan. The year-on-year increase in the other two air pollutants was due to higher production volumes based on business recovery associated with the COVID-19 pandemic.
Wastewater Quality Management
Toray Group monitors and complies with regulations concerning BODs, CODs, and nitrogen in countries and regions where it operates plants and implements water quality management for plant wastewater. Plants with high effluent loads are reducing effluents by installing wastewater treatment facilities (activated sludge method) that utilize the activated sludge method and other techniques. The Group is committed to remaining in compliance with regulations through everyday facilities operation management and regular self-testing of water quality.
In fiscal 2021, Toray Group recorded 655 tons of BOD emissions (down 10.7% year on year) and 2,138 tons of COD emissions (up 9.9% year on year). This year, BOD emissions fell due to more efficient operation of wastewater treatment facilities. However, COD emissions increased due to higher production volumes based on business recovery associated with the COVID-19 pandemic.
The Group brings together wastewater managers every year to share and discuss strategies for enhancing wastewater management at production sites. The fiscal 2021 meeting was attended by 36 persons from Toray Industries’ plants and 24 persons from group companies in Japan.