Implementing Environmental Management to Reduce Environmental Impact
For Tokuyama, the pursuit of proactive initiatives to protect the earth's environment is an important part of its corporate social responsibilities. Accordingly, the Company practices environmental management that takes into account the natural environment in all business activities.
Medium-Term Basic Policy
Tokuyama actively undertakes environmental preservation and strives to help build a sustainable society, based on its Basic Philosophy of Responsible Care and the following policies.
・Thorough compliance with laws and regulations
・Zero environmental accidents
・Reduction of environmental impact
・Combatting climate change
・Continuous improvements to environmental management systems
・Improved relationship of trust with stakeholders
Focus Items in Fiscal 2018
・Strictly comply with legal requirements, etc
・Continue zero environmental accidents
・Reduce environmental impact
Maintain or reduce emission levels of environmentally hazardous substances
Promote zero waste emissions
・Combat climate change
Promote energy-saving and conservation of electricity
Review GHG medium-term reduction goals
・Expand communication with stakeholders
Performance in Fiscal 2017
Flow of Materials in Business Activities
Tokuyama works to accurately determine the input and output of materials for production, and regularly sets new targets aimed at reducing environmental impact. In fiscal 2017, Tokuyama achieved its per-unit energy consumption, waste recycling and zero emissions targets. Regarding other performance data, Tokuyama has set a separate numerical management target for each department to maintain the current low-impact situation.
Tokuyama has been carrying out environmental accounting since fiscal 2000 in order to accurately determine and analyze the investment amounts and costs associated with its environmental conservation activities, thereby providing a sound basis for making environmental investments.
Major environmental investment proiects in fiscal 2017 included comprehensive drainage measures and establishment of waste storehouses.
Fiscal 2017 Environmental Preservation Costs
Economic Benefits of Environmental Management
In fiscal 2017, the economic benefits remained flat year on year, at approximately 1.5 billion yen.
Economic Benefits in Fiscal 2017
Measures to Help Combat Global Warming
Tokuyama participates in Keidanren's Voluntary Action Plan on the Environment, as a member of one of the industries covered by the Action Plan. It is via this Action Plan that Tokuyama is working to achieve its 2020 emissions reduction target. Tokuyama is making steady progress in conserving energy throughout its business activities, and supporting efforts by employees to save energy at home.
Promoting Energy Conservation
Tokuyama consumes a vast amount of energy to manufacture its core products such as caustic soda, cement, and polycrystalline silico. It also emits carbon dioxide (CO2), one of the greenhouse gases, primarily in its burning of fossil fuels and decarboxylation of limestone, which is used as a raw material for cement production. The Company is working to reduce CO2 emissions by implementing energy conservation measures, including upgrading to more energy-effcient euipment.
Reducing Water and Air Pollutants
Since early on, Tokuyama has worked hard to preserve the environment. The Company has a variety of ongoing measure
Amounts of Atmospheric Emissions
In order to reduce emissions of sulfur oxides (SOx), nitrogen oxides (NOx), and soot into the atmosphere, Tokuyama equips its boilers, cement kilns, and other facilities that generate these substances with emission control systems, including flue gas desulfurizers, denitration equipment, low-NOx burners, and high-performance dust collector. In fiscal 2017, emissions of sOx, NOx and soot increased in accordance with higher operating rates for emitting facilities.
SOx, NOx and Soot Emissions
Emissions of Pollutant Release and Transfer Register (PRTR*) Substances
Emissions in fiscal 2017 were about on par with the average of recent years past.
* The PRTR system collects and publishes data on the sources of designated harmful chemical substances and the amounts of these substances discharged in the environment or transported from production sites as part of waste matter.
PRTR Substance Emissions
Amounts of Industrial Effluent and Wastewater
The Tokuyama Factory follows a stringent system for monitoring industrial effluent and purifying wastewater using treatment equipment in order to comply with regulatory standards and limits set by the local government, as well as the Company's own standards, which are even stricter. The factory also employs activated sludge treatment facilities for reducing the discharge of nitrogen and phosphorous and meeting chemical oxygen demand (COD)* regulations for overall water quality. In fiscal 2017, COD and phosphorus emissions remained level year on year. Nitrogen emissions increased due to malfunctioning of wastewater treatment equipment.
* Chemical oxygen demand is an indicator used to measure water quality, and refers to the amount of oxygen required to oxidize organic compounds in water.
Industrial Effluent Amounts and COD Levels
Nitrogen and Phosphorus Emissions
Recycling Launched in Society
Tokuyama's cement plant effectively uses by-products from soda ash plants and coal cinders from captive power stations as raw materials. It also uses combustible refuse such as waste plastic as fuel. In addition, it accepts and recycles a large volume of waste matter and by-products from other corporations and local communities.
Tokuyama generated a total of 367,000 metric tons of waste in fiscal 2017. It actively worked to recycle this waste both in and outside the Company, mainly by re-using waste matter as raw materials and fuel for cement at the Tokuyama Factory. Through its diligent efforts to recycle waste as raw material for cement, Tokuyama achieved an effective utilization rate of 93.8%. The Company also made progress with reusing waste and reducing the amount generated, and achieved its landfill waste "zero emissions" target of 99.9% for the fifth consecutive year.
Amount of Waste Sent to Landfills and Rate of Effective Utilization
Flow of Industrial Waste Treatment
Business Activities and Biodiversity/Detailed Data