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【参・企英・環境】カテゴリタイトル

environment

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Atmosphere Purification

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The Oji Group owns numerous thermal power plants where electric power and thermal energy are obtained through the direct combustion of fossil fuels, waste fuels, and biomass fuels and used in-house at its business establishments or supplied to local communities. The direct combustion of these fuels results in the generation of environmental pollutants. The gas that is exhausted as a result of the direct combustion contains sulfur oxides (SOx), nitrogen oxides (NOx), and dust.

The Oji Group controls its atmospheric emissions of environmental pollutants by setting its own standard values, which are stricter than the regulatory values, in response to the advancement of technologies including those on combustion boiler structure, desulfurization facilities, and dust collection facilities, and applying operational technologies. Where the standard values are exceeded, we take measures for preventing pollution, such as the suspension of operation.

In FY2017, the emission intensity of SOx contained in exhaust gas was improved by 12%, which means that we achieved the target. The emission intensity of NOx was improved by 2.1%, while that of dust was worsened by 5%. We will continue to promote measures for preventing pollution through continuous operational improvements and the comprehensive management of facilities for reducing pollutants. In FY2018, we will also strive to improve the SOx emission intensity further, by at least 1%.





Coverage: All consolidated subsidiaries on which regulations on exhaust gas have been imposed



Volatile organic compounds (VOC) are said to be a cause of photochemical oxidants. VOC is the collective name for organic compounds that are volatile and change into a gaseous state in the atmosphere. A wide variety of substances exist as VOC, including toluene, xylene, and ethyl acetate. Until 2010, the Oji Group had been reducing VOC emissions by using combustion facilities and absorption facilities. Since then, our target for each year has been to maintain the 2010 level of VOC emission intensity per sales (0.56 kg of emissions/million yen). As a result, we have maintained the 2010 level of VOC emission intensity since 2013 as well.





For details, go to ESG Data.