- Amount recycled internally
- 3,877t7.8%
- Amount reduced internally
- 39,941t80.3%
- Amount treated internally as final landfill
- 0t0.0%
* All data, unless otherwise noted, are based on the following assumptions.
Scope of aggregation: Yokkaichi Plant and Chiba Plant
Period covered: April 1 to March 31
Energy
Scope of aggregation: All KH Neochem operating facilities
Period covered: April 1 to March 31
Energy consumption and specific consumption
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| Energy consumption (crude oil equivalent) | 1000kL | 208.7 | 204.6 | 194.2 | 214.4 | 187.8 | 186.1 | 191.4 |
| Energy specific consumption | L/t | 210.0 | 207.2 | 222.3 | 204.9 | 230.4 | 226.7 | 232.9 |
GHG emissions volume
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| GHG emissions volume | kt | 448.9 | 440.2 | 404.2 | 422.4 | 379.1 | 378.4 | 374.9 |
Energy consumption and specific consumption in physical distribution
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| Energy consumption (crude oil equivalent) | kL | 2,957 | 2,811 | 2,580 | 3,286 | 2,701 | 2,525 | 2,482 |
| Energy specific consumption | L/t | 6.8 | 6.2 | 6.0 | 6.6 | 6.7 | 6.1 | 6.4 |
*1 Reported figures based on the act on the Rational Use of Energy
*2 After confirming with the GHG emissions reporting window to the government, deduct from GHG emissions from FY2021 the amount of CO2 recovered from our manufacturing processes and used as raw materials for our products.
Air pollutants
Amounts released (SOx, Nox, Dust)
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| SOx | t | 2.3 | 2.3 | 0.5 | 0.5 | 0.4 | 0.5 | 0.3 |
| NOx | t | 268.9 | 259.9 | 283.8 | 338.7 | 286.4 | 279.3 | 292.6 |
| Dust | t | 7.1 | 6.6 | 4.2 | 9.2 | 5.2 | 7.0 | 5.0 |
Levels agreed upon with local communities and annual maximum values
Yokkaichi Plant
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| SOx | Maximum value (Nm3/h) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Agreement level (Nm3/h) | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | |
| NOx | Maximum value (kg/h) | 24.3 | 26.5 | 45.5 | 43.5 | 40.0 | 42.7 | 43.1 |
| Agreement level (kg/h) | 53.0 | 53.0 | 53.3 | 53.3 | 53.1 | 53.1 | 53.1 | |
| Dust | Maximum value (g/Nm3) | 0.001 | 0.001 | 0.002 | 0.003 | 0.001 | 0.001 | 0.001 |
| Agreement level (g/Nm3) | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | |
Chiba Plant
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| SOx | Maximum value (Nm3/h) | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Agreement level (Nm3/h) | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 | |
| NOx | Maximum value (Nm3/h) | 2.3 | 1.9 | 2.3 | 2.9 | 3.0 | 2.7 | 2.9 |
| Agreement level (Nm3/h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | |
| Dust | Maximum value (kg/h) | 0.6 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 |
| Agreement level (kg/h) | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | |
Water pollutants
Amount released (total effluent discharged)
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| Amount released (total effluent discharged) | kt | 6,425 | 6,220 | 6,233 | 6,374 | 6,423 | 6,485 | 6,943 |
Amounts released (COD, T-N, T-P)
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| COD | t | 23.3 | 24.7 | 28.7 | 25.9 | 21.7 | 23.2 | 34.3 |
| T-N | t | 10.6 | 9.7 | 10.4 | 11.3 | 9.5 | 10.6 | 14.0 |
| T-P | t | 1.8 | 1.6 | 1.8 | 1.8 | 1.9 | 2.1 | 2.2 |
Levels agreed upon with local communities and annual maximum values
Yokkaichi Plant
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| COD | Maximum value (kg/day) | 137.1 | 110.2 | 127.5 | 126.9 | 86.0 | 68.4 | 107.0 |
| Agreement level (kg/day) | 201.2 | 201.2 | 201.2 | 201.2 | 201.2 | 187.1 | 187.1 | |
| T-N | Maximum value (kg/day) | 36.5 | 21.8 | 37.0 | 36.9 | 19.0 | 28.5 | 28.2 |
| Agreement level (kg/day) | 46.0 | 46.0 | 46.0 | 46.0 | 46.0 | 45.1 | 45.1 | |
| T-P | Maximum value (kg/day) | 9.6 | 9.1 | 9.3 | 9.3 | 7.8 | 8.8 | 8.6 |
| Agreement level (kg/day) | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.9 | 12.9 | |
Chiba Plant
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| COD | Maximum value (kg/day) | 79.3 | 53.4 | 88.4 | 68.9 | 89.0 | 115.6 | 283.3＊ |
| Agreement level (kg/day) | 124.0 | 124.0 | 124.0 | 124.0 | 124.0 | 124.0 | 126.0 | |
| T-N | Maximum value (kg/day) | 52.3 | 37.9 | 72.9 | 52.3 | 52.8 | 61.0 | 63.9 |
| Agreement level (kg/day) | 90.0 | 90.0 | 90.0 | 90.0 | 90.0 | 90.0 | 90.0 | |
| T-P | Maximum value (kg/day) | 3.2 | 4.0 | 5.2 | 6.3 | 5.1 | 5.7 | 7.8 |
| Agreement level (kg/day) | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | |
* The COD Maximum value exceeded the Agreement level in a measurement recorded during heavy rainfall on June 19, 2024. The matter has been reported to Ichihara City.
Waste material
Amount of waste generated, amount discharged, amount as final landfill
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| Amount of waste generated | t | 54,825 | 52,610 | 53,686 | 54,026 | 46,173 | 45,472 | 49,751 |
| Amount released | t | 11,337 | 8,962 | 8,537 | 7,554 | 7,504 | 8,613 | 5,932 |
| Amount treated as final landfill | t | 124 | 136 | 133 | 106 | 92 | 106 | 82 |
| Ratio disposed of as landfill | ％ | 0.23 | 0.26 | 0.25 | 0.20 | 0.20 | 0.23 | 0.17 |
Recycled amount and recycling rate
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| Recycled amount | t | 3,482 | 3,600 | 3,885 | 3,967 | 3,480 | 3,104 | 4,389 |
| Recycling rate | % | 6.4 | 6.8 | 7.2 | 7.3 | 7.5 | 6.8 | 8.8 |
Waste material treatment flow in FY2024
- Amount of waste generated
- 49,751t100.0%
- Amount as final landfill
- 5,932t11.9%
- Amount recycled externally
- 511t1.0%
- Amount reduced externally
- 5,339t10.7%
- Amount treated externally as final landfill
- 82t0.2%
* Some totals may not tally due to rounding
Environmental Data by Plant
Period covered: April 1, 2024 to March 31, 2025
| Yokkaichi Plant | Chiba Plant | ||
|---|---|---|---|
| Specific energy consumption | L/t | 235.0 | 224.6 |
| SOx amount released | t | 0.0 | 0.3 |
| NOx amount released | t | 258.3 | 34.3 |
| Dust amount released | t | 2.2 | 2.8 |
| Total effluent discharged | kt | 4,667 | 2,277 |
| COD amount released | t | 17.3 | 17.0 |
| T-N amount released | t | 2.0 | 12.0 |
| T-P amount released | t | 1.3 | 0.9 |
| Amount of waste generated | t | 47,318 | 2,433 |
| Amount disposed of as landfill | t | 58.6 | 23.8 |
Amount of PRTR Act Type 1 designated chemical substances released
Fiscal year 2024
Period covered: April 1, 2024 to March 31, 2025
Yokkaichi Plant
| Description | Amount (t) |
|---|---|
| Acetaldehyde | 1.8 |
| Diethylene glycol monobutyl ether | 1.5 |
| Butyl cellosolve | 1.1 |
| Toluene | 0.6 |
| 2-Aminoethanol | 1.3 |
| Hydrogen fluoride and its water-soluble salts | 0.9 |
| Ethylene oxide | 0.4 |
| 1,2-Dichloroethene | 0.3 |
| Boron compounds | 0.2 |
| Phthalic anhydride | 0.0 |
| Dioxins | 2.2mg-TEQ |
| Others (12 substances) | 0.0 |
Chiba Plant
| Description | Amount (t) |
|---|---|
| Cobalt and its compounds | 1.4 |
| Dioxins | 2.7mg-TEQ |
| Mixture of 2,4,4-trimethylpent-1-ene and 2,4,4-trimethylpent-2-ene |
3.7 |
| Others (6 substances) | 0.1 |
Emissions to Air and Water
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| Air | t | 4.6 | 3.3 | 3.9 | 5.3 | 5.8 | 2.1 | 5.1 |
| Water | t | 7.3 | 7.3 | 8.2 | 8.9 | 6.6 | 7.5 | 9.0 |
Environmental Accounting
Scope of aggregation: Yokkaichi Plant and Chiba Plant (million yen)
Period covered: January 1 to December 31
Environmental conservation costs
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Classification | Substance of main measures | Investment amounts | Expense amounts | Investment amounts | Expense amounts | Investment amounts | Expense amounts | Investment amounts | Expense amounts | Investment amounts | Expense amounts | Investment amounts | Expense amounts | Investment amounts | Expense amounts | |
| Costs within business area | 1 Pollution prevention costs | Air pollution prevention, water pollution prevention, etc. | 25 | 885 | 174 | 881 | 999 | 930 | 14 | 925 | 158 | 1,127 | 144 | 1,353 | 77 | 1,288 |
| 2 Global environmental conservation costs | Global warming prevention, energy conservation measures, etc. | 55 | 394 | 0 | 247 | 57 | 170 | 1,397 | 388 | 12 | 428 | 39 | 424 | 76 | 410 | |
| 3 Resource recycling costs | Efficient use of resources, recycling of waste, etc. | 33 | 1,325 | 14 | 1,260 | 36 | 1,193 | 14 | 1,158 | 5 | 1,786 | 0 | 1,881 | 22 | 1,941 | |
| Total from 1 to 3 | 114 | 2,603 | 188 | 2,388 | 1,092 | 2,293 | 1,426 | 2,471 | 175 | 3,341 | 183 | 3,658 | 175 | 3,640 | ||
| Upstream and downstream costs | Purchase of recycled stationery (eco-label goods), etc. | 0 | 2 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 2 | |
| Management program costs | Environmental management system maintenance, operation, etc. | 0 | 31 | 0 | 26 | 0 | 25 | 0 | 28 | 0 | 32 | 0 | 164 | 0 | 28 | |
| Research and development costs | Research and development, etc. for products contributing to environmental conservation, etc. | 0 | 251 | 0 | 223 | 0 | 148 | 0 | 92 | 0 | 36 | 0 | 64 | 0 | 48 | |
| Social program costs | Contributions to groups engaging in environmental conservation, support, etc. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Environmental remediation costs | Oil spill liability insurance, levies on pollution loads | 0 | 7 | 0 | 6 | 0 | 6 | 0 | 6 | 0 | 6 | 0 | 5 | 0 | 6 | |
| Total | 114 | 2,894 | 188 | 2,644 | 1,092 | 2,474 | 1,426 | 2,598 | 175 | 3,416 | 183 | 3,893 | 175 | 3,722 | ||
* Some totals may not tally due to rounding
Economic impact
| Fiscal year | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|
| Profit | Sales of waste material (waste catalyst, scrap, etc.), sales of recovered containers | 17 | 9 | 6 | 24 | 42 | 11 | 33 |