In 2024, Nippon Kayaku conducted an environmental assessment and disclosed corporate waste management data in accordance with recognized sustainability reporting standards.The company provided a breakdown of its waste by type (hazardous vs non-hazardous) and treatment method (recovery vs disposal), enabling greater transparency into its waste handling and environmental practices.
| Metric (tonnes) | 2024 | 2023 | 2022 | 2021-2019 |
|---|---|---|---|---|
Total Waste Generated | 29,576a | 22,119a | 28,934a | |
Total Waste Recovered | 24,555.75a | 17,618.16a | 24,030.27a | |
Total Hazardous Waste Generated | 5,918a | 4,887a | 6,538a | |
Non-Hazardous Waste Disposed | N/A | N/A | N/A |
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In 2024, Nippon Kayaku generated a total of 29,576 metric tonnes of waste.a
Of this amount, 20.01% of Nippon Kayaku's total waste generated of was classified as hazardous waste, characterized by properties such as toxicity, flammability, corrosiveness, or reactivity that may pose risks to human health, ecosystems, or the environment.79.99% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a
Since 2020, Nippon Kayaku's total waste generation increased by 11.92%, including a 33.71% rise in 2024, reflecting a persistent upward trend that could be linked to operational growth, inefficient material use, or limited investment in waste prevention systems.a
Over the same period, Nippon Kayaku reduced the hazardousness of its waste by 12.12%, with a further 9.44% decline in 2024, suggesting a sustained and meaningful shift toward safer waste profiles and lower environmental impact.a
Overall, Nippon Kayaku is generating more waste but has significantly reduced the share of hazardous materials, suggesting a partial decoupling of volume and toxicity that could reflect more responsible inputs or enhanced treatment.a