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Environmental Preservation

Performance data of each site

Updated in October 2022

Performance data of each site

Fiscal 2021 Emissions of major substances and percentage of water usage

Fiscal 2021 Emissions of major substances and percentage of water usage

Omi Plant
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 81 77 71 60 72 78
(CO2 emissions, fiscal 2013 base) 　 0.97 0.92 0.85 0.72 0.85 0.93
PRTR substance emissions tons 10 10 9 7 14 9
NOx emissions tons 3,573 3,148 2,851 2,860 2,462 3,205
SOx emissions tons 34 40 38 35 37 35
Soot and dust emissions tons 62 78 73 64 107 64
Water used km3 50,563 52,834 50,139 47,465 51,063 53,100
COD (BOD) emissions tons 310 216 181 166 166 210
Waste tons 87,102 90,498 84,631 70,599 88,679 83,210
Final landfill waste tons 20 0 0 0 0 0
Omuta Plant
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 13 12 9 10 10 10
(CO2 emissions, fiscal 2013 base) 　 0.93 0.86 0.65 0.74 0.73 0.76
PRTR substance emissions tons 3 4 5 4 4 4
NOx emissions tons 621 742 738 659 758 710
SOx emissions tons 1 1 1 1 0 0
Soot and dust emissions tons 2 2 1 1 1 1
Water used km3 1,298 1,249 1,334 1,320 1,448 1,350
COD (BOD) emissions tons 2 1 1 1 1 2
Waste tons 12,473 18,869 13,693 19,012 17,587 11,959
Final landfill waste tons 13 8 11 13 47 12
Chiba Plant
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 23 22 23 22 24 21
(CO2 emissions, fiscal 2013 base) 　 0.70 0.66 0.71 0.67 0.72 0.64
PRTR substance emissions tons 59 57 60 52 60 53
NOx emissions tons 156 135 154 156 162 130
SOx emissions tons 7 4 4 5 7 4
Soot and dust emissions tons 1 2 2 2 1 1
Water used km3 3,641 3,622 3,661 3,615 3,742 3,580
COD (BOD) emissions tons 11 15 13 10 14 14
Waste tons 11,518 10,410 10,503 10,582 11,909 10,700
Final landfill waste tons 54 23 14 7 4 30
Shibukawa Plant
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 1 1 1 1 1 1
(CO2 emissions, fiscal 2013 base) 　 1.29 1.26 1.28 1.16 1.45 1.48
PRTR substance emissions tons 5 5 4 5 5 8
NOx emissions tons 14 10 8 9 10 16
SOx emissions tons 2 3 1 1 1 4
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 1,287 1,275 1,298 1,302 1,302 1,280
COD (BOD) emissions tons 3 2 2 2 2 3
Waste tons 875 721 576 676 686 1,204
Final landfill waste tons 0 0 0 33 0 0
Ofuna Plant
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 1 1 1 1 1 1
(CO2 emissions, fiscal 2013 base) 　 0.94 1.02 0.94 0.87 1.01 1.15
PRTR substance emissions tons 1 1 1 1 1 1
NOx emissions tons 2 1 1 1 1 1
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 47 49 52 39 36 47
COD (BOD) emissions tons 0 0 0 0 0 0
Waste tons 446 363 373 343 263 390
Final landfill waste tons 1 1 3 1 1 3
Isesaki Plant
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 2 2 2 1 2 3
(CO2 emissions, fiscal 2013 base) 　 1.17 1.06 0.95 0.85 1.10 1.61
PRTR substance emissions tons 0 0 0 0 0 0
NOx emissions tons 0 0 0 0 0 0
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 417 388 363 408 400 389
COD (BOD) emissions tons 0 0 0 0 0 0
Waste tons 460 485 381 690 632 456
Final landfill waste tons 0 0 0 0 0 0
Gosen Site
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 2 2 2 2 2 3
(CO2 emissions, fiscal 2013 base) 　 1.17 1.12 1.15 1.44 1.44 1.70
PRTR substance emissions tons 0 0 0 0 0 0
NOx emissions tons 3 1 0 1 1 0
SOx emissions tons 2 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 310 321 312 214 260 200
COD (BOD) emissions tons 0 0 0 0 0 0
Waste tons 960 1,030 923 1,118 1,102 1,060
Final landfill waste tons 66 158 121 18 10 10
Innovation Center
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 0 0 0 0 0 0
― 　 ― ― ― ― ― ―
PRTR substance emissions tons 0 0 0 0 0 0
NOx emissions tons 0 0 0 0 0 0
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 6 7 6 7 6 7
COD (BOD) emissions tons 0 0 0 0 0 0
Waste tons 106 87 109 84 70 108
Final landfill waste tons 0 17 14 0 0 0
Merbau, Denka Singapore
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 0.4 0.4 0.4 0.4 0.3 0.4
NOx emissions tons 0.6 0.5 0.5 0.5 0.5 0.5
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 48 65 57 59 62 60
COD (BOD) emissions tons 0.1 0.1 0.1 0.1 0.1 0.1
Waste tons 341 453 299 194 130 110
Final landfill waste tons 4 11 0 0 0 0
Seraya, Denka Singapore
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 4.3 4.2 3.5 3.7 3.5 3.6
NOx emissions tons 4.4 4.6 4.6 4.7 4.7 4.7
SOx emissions tons 0.8 0.9 0.9 0.9 0.9 0.9
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 208 214 193 188 149 202
COD (BOD) emissions tons 3.3 3.5 2.9 2.8 2.7 3.0
Waste tons 1,621 1,220 1,180 1,563 1,027 1,370
Final landfill waste tons 22 19 8 36 27 27
Tuas, Denka Advantech
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 2.0 1.7 1.4 1.4 1.4 1.4
NOx emissions tons 702.5 513.1 342.6 386.4 586.8 575.8
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 82 78 67 62 102 100
COD (BOD) emissions tons 0 0 0 0 0 0
Waste tons 281 228 158 219 281 276
Final landfill waste tons 264 211 140 200 263 258
South, Denka Advantech
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 0.3 0.3 0.2 0.1 0.3 0.2
NOx emissions tons 1.3 1.7 1.4 0.7 1.6 1.6
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0.1 0.1 0.1 0.0 0.1 0.1
Water used km3 13 15 7 5 8 8
COD (BOD) emissions tons 0 0 0 0 0 0
Waste tons 247 253 205 154 189 192
Final landfill waste tons 22 21 17 10 20 26
Denka Advanced Materials Vietnam
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 0.3 0.3 0.3 0.2 0.4 0.6
NOx emissions tons 0 0 0 0 0 0
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0.0 0.0 0.0 0.0 0.0 0.0
Water used km3 34 23 31 18 21 26
COD (BOD) emissions tons 0 0 0 0 0 0
Waste tons 150 135 180 115 261 325
Final landfill waste tons 25 23 43 38 85 81
Denka Advanced Materials, Suzhou
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 0.1 0.1 0.1 0.1 0.1 0.1
NOx emissions tons 0 0 0 0 0 0
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 1.8 2.0 1.5 1.7 1.5 1.6
COD (BOD) emissions tons 0.1 0.1 0.2 0.1 0.0 0.0
Waste tons 0.7 0.6 0.5 0.5 0.5 0.5
Final landfill waste tons 0.24 0.09 0.07 0.03 0.02 0.05
Denka Chemicals Development Suzhou
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 0.03 0.03 0.02 0.02 0.02 0.02
NOx emissions tons 0 0 0 0 0 0
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 0.6 0.6 0.7 0.4 0.5 0.5
COD (BOD) emissions tons 0.0 0.0 0.0 0.0 0.0 0.0
Waste tons 10 8 1 16 19 21
Final landfill waste tons 0.1 0.0 0.0 2.3 0.0 1.0
Denka Inorganic Materials, Tianjin
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 0.01 0.01 0.00 0.00 0.01 0.01
NOx emissions tons 0.1 0.1 0 0 0 0
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 0.9 1.1 1.0 1.0 0.7 1.0
COD (BOD) emissions tons 0.0 0.0 0.0 0.1 0.1 0.1
Waste tons 9.0 18.0 4.0 0.6 0.6 0.6
Final landfill waste tons 9 0 0 0 0 0
Denka Electronics Materials Dalian
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 0.05 0.07 0.06 0.07 0.08 0.10
NOx emissions tons 0 0 0 0 0 0
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 0.3 0.3 0.3 0.3 0.2 0.3
COD (BOD) emissions tons 0 0 0 0 0 0
Waste tons 3.2 2.1 4.3 6.6 8.0 6.6
Final landfill waste tons 0.1 0.1 0.1 0.2 0.2 0.3
Denka Construction Solutions Malaysia
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 　 　 0.03 0.02 0.02 0.02
NOx emissions tons 　 　 0 0 0 0
SOx emissions tons 　 　 0 0 0 0
Soot and dust emissions tons 　 　 0 0 0 0
Water used km3 　 　 6.9 3.4 3.8 6.3
COD (BOD) emissions tons 　 　 0 0 0 0
Waste tons 　 　 422 255 214 203
Final landfill waste tons 　 　 422 255 211 200
Denka Performance Elastomer
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 　 　 　 9.5 7.6 10.3
NOx emissions tons 　 　 　 84 90 100
SOx emissions tons 　 　 　 1 1 1
Soot and dust emissions tons 　 　 　 9 9 10
Water used km3 　 　 　 53,621 47,892 48,000
COD (BOD) emissions tons 　 　 　 0 0 0
Waste tons 　 　 　 1,099 1,216 1,400
Final landfill waste tons 　 　 　 1,079 1,180 1,310
Hinode Kagaku Kogyo
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 1.7 2.0 1.9 1.9 1.8 1.8
PRTR substance emissions tons 2 2 2 2 4 3
NOx emissions tons 111 136 120 135 119 110
SOx emissions tons 81 104 109 147 129 146
Soot and dust emissions tons 8 12 7 7 5 7
Water used km3 1,336 1,206 1,030 1,233 1,360 1,250
COD (BOD) emissions tons 3 2 2 2 2 2
Waste tons 37 121 42 56 36 36
Final landfill waste tons 3 4 3 4 3 3
Denka Polymer
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 1.0 1.1 1.0 0.8 1.0 1.0
PRTR substance emissions tons 0 0 0 0 0 0
NOx emissions tons 0 0 0 0 0 0
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 31 29 27 28 30 30
COD (BOD) emissions tons 0 0 0 0 0 0
Waste tons 148 184 184 261 293 250
Final landfill waste tons 0 0 0 0 0 0
Denka Elastlution
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 0.1 0.1 0.1 0.05 0.06 0.05
PRTR substance emissions tons 0 0 0 0 0 0
NOx emissions tons 0 0 0 0 0 0
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 74 74 72 73 73 72
COD (BOD) emissions tons 0 0 0 0 0 0
Waste tons 63 57 58 61 66 58
Final landfill waste tons 18 12 12 5 0 0
Denka Azumin
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 0.6 0.6 0.6 0.5 0.5 0.5
PRTR substance emissions tons 0 0 0 0 0 0
NOx emissions tons 20 22 23 20 24 24
SOx emissions tons 1 1 1 1 1 1
Soot and dust emissions tons 8 4 0 2 0 0
Water used km3 602 602 602 603 602 602
COD (BOD) emissions tons 2 2 1 1 1 1
Waste tons 37 113 78 80 66 66
Final landfill waste tons 0.3 3.3 0.4 0.2 0.3 0.3
Kyusyu Plastic Industry
Item Unit Fiscal 2017 results Fiscal 2018 results Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 0.2 0.2 0.2 0.2 0.2 0.2
PRTR substance emissions tons 5 5 5 6 7 8
NOx emissions tons 0 0 0 0 0 0
SOx emissions tons 0 0 0 0 0 0
Soot and dust emissions tons 0 0 0 0 0 0
Water used km3 219 149 160 171 159 160
COD (BOD) emissions tons 0 0 0 0 0 0
Waste tons 64 78 77 76 71 70
Final landfill waste tons 21 18 25 29 16 16
Denka Astec
Item Unit Nakagawa Co., Ltd. Denka Astec
　 　 Fiscal 2019 results Fiscal 2020 results Fiscal 2021 results Fiscal 2022 targets
CO2 emissions (from energy sources) Tons (x10,000) 　 　 0.01 0.01 0.01 0.01
PRTR substance emissions tons 　 　 0.1 0.1 0.1 0.1
NOx emissions tons 　 　 0 0 0 0
SOx emissions tons 　 　 0 0 0 0
Soot and dust emissions tons 　 　 0 0 0 0
Water used km3 　 　 0.5 0.4 0.3 0.4
COD (BOD) emissions tons 　 　 0 0 0 0
Waste tons 　 　 4.3 4.5 17.5 5.3
Final landfill waste tons 　 　 4.3 4.3 17.5 5.3
デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Environmental Policies
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Environmental Policies

Caring for the Global Environment Denka undertakes the preservation of...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Initiatives to Achieve Carbon-Neutral Status
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Initiatives to Achieve Carbon-Neutral Status

We are strengthening our environmental management with the aim of achievi...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Initiatives to Achieve Carbon-Neutral Status
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Stance on Environmental Management

Aiming to Achieve “Net Zero” in Terms of CO2 Emissions by Fiscal 2050 Whi...

DFF Inc., デンカ株式会社, デンカ...
Environmental Preservation
Medium-Term Environmental Plan
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Medium-Term Environmental Plan

In fiscal 2021, energy and CO2 emissions intensity was worse than the pre...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Initiatives Aimed at Curbing GHG Emissions and Reduction Targets for GHG Emissions
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Initiatives Aimed at Curbing GHG Emissions and Reduction Targets for GHG Emissions

Initiatives Aimed at Curbing GHG Emissions To contribute to the realiz...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Climate Change: Risks and Opportunities
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Climate Change: Risks and Opportunities

Updated Scenario Analysis and Our Response to Climate Change-Related Risk...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Promoting Climate Change Countermeasures
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Responding to the TCFD Recommendations

Our Support of the Task Force on Climate-Related Financial Disclosure (TC...

デンカ株式会社, デンカ株式会社　IR室, ...
Environmental Preservation
Promoting the Use of Clean Energy
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Promoting the Use of Clean Energy

Expansion of Renewable Energy Sources and Introduction of Power Generatio...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Promoting the Use of Clean Energy
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Initiatives in Electric Power Generation

Hydroelectric power plants around Omi Plant and their maximum outputs ...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Government Subsidies Related to the Environment and Energy
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Government Subsidies Related to the Environment and Energy

Utilization of Government Subsidies Related to the Environment and Energy...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
The Denka Group’s Policies on the Prevention of Environmental Pollution
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The Denka Group’s Policies on the Prevention of Environmental Pollution

Denka strives to accurately gauge the volume of environmental load substa...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Efforts to Conserve Biodiversity
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Efforts to Conserve Biodiversity

Along with climate change, biodiversity is becoming increasingly importan...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Preservation of Water Resources
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Preservation of Water Resources

Background The issue of limited water resources is recognized as a g...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Contribution to the Development of a Recycling-Oriented Society
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Contribution to the Development of a Recycling-Oriented Society

At our Omi Plant (Itoigawa, Niigata Prefecture), we are promoting recycli...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Initiatives to Counter the Plastic Waste Issue
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Initiatives to Counter the Plastic Waste Issue

The Denka Group is proactively developing and providing innovative soluti...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Environmental Accounting
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Environmental Accounting

Conservation Costs The main items of environmental investment in fisca...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Overview of Environmental Impacts
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Overview of Environmental Impacts

Overview of Environmental Impacts (totals for all production sites in...

DFF Inc., デンカ株式会社, デンカ...
Environmental Preservation
Fiscal 2021 Environmental Performance Data
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Fiscal 2021 Environmental Performance Data

Production volume and energy consumption intensity The energy intensit...

デンカ株式会社, デンカ株式会社　IR室
Environmental Preservation
Performance data of each site
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Performance data of each site

Fiscal 2021 Emissions of major substances and percentage of water usage ...

デンカ株式会社, デンカ株式会社　IR室