Yodogawa Plant
Yodogawa Plant: Fiscal 2008
Yodogawa Plant Outline
| Main products |
Fluorochemical products, Air conditioning and refrigeration equipment, hydraulic equipment, precision defense equipment |
| Number of employees |
1,509 persons |
| Site area |
Approx 413,000m2 |
| Acquisition of ISO14001 Certification |
Jan. 1997 |
INPUT/OUTPUT
Input items |
| Energy |
| Electricity |
17,302MWh |
| Gas |
3,210km3 |
| Oil |
- |
| Steam |
- |
| Water |
980km3 |
Output items (emission/recovery/recycling) |
| Air Emissions |
| CO2 associated with the use of energy |
69,135t-CO2 |
| Other greenhouse gas emissions |
140,908t-CO2 |
| NOx |
36.78t |
| SOx |
0.00t |
| VOC |
25.07t |
| PRTR Law Substances |
138.49t |
| Discharged into water and soil |
| Effluent water |
1,180km3 |
| PRTR Law Substances |
0.96t |
| COD |
0.00t |
| Waste |
| PRTR Law Substances |
75.82t |
| Waste generated |
17,814t |
| ↓ |
| |
| Amounts of wastes disposed by landfill and incineration |
143t |
| Amounts of resources recycling |
17,671t |
* PRTR Law Substances processed at each factory amounting to 1 ton or more per year.

Environmental Inspection Data
Amount of PRTR Law Substances |
(tons/year) |
| Substance |
Emission volume |
Transfer volume |
Removal volume |
| Atmosphere |
Public water |
Sewage |
Waste |
| Dichloromethane |
24.00 |
0.00 |
0.00 |
0.04 |
0.00 |
| Tetrafluoroethylene |
65.00 |
0.00 |
0.00 |
0.09 |
17.00 |
| Chlorodifluoromethane (HCFC-22) |
25.00 |
0.00 |
0.00 |
0.00 |
24.00 |
| 2-chloro-1,1,1,2-tetrafluoroethane (HCFC22) |
2.10 |
0.00 |
0.00 |
0.00 |
18.00 |
| 1-chloro-1,2-difluoroethane (HCFC-142b) |
9.30 |
0.00 |
0.00 |
0.00 |
3.60 |
| 1,1-dichloro-1-fluoroethane (HCFC-141b) |
12.00 |
0.00 |
0.00 |
4.10 |
0.00 |
| Xylene |
0.65 |
0.00 |
0.00 |
1.50 |
2.00 |
| Toluene |
0.42 |
0.00 |
0.00 |
0.24 |
3.30 |
| Hydrogen fluoride and its salt |
0.01 |
0.00 |
0.00 |
48.00 |
570.00 |
| Chloroform |
0.00 |
0.00 |
0.00 |
2.00 |
0.00 |
| Water-soluble zinc compound |
0.00 |
0.00 |
0.95 |
0.03 |
0.76 |
| Poly (oxyethylene) = octyl phenyl ether |
0.00 |
0.00 |
0.01 |
2.30 |
0.00 |
| Acrylic acid |
0.00 |
0.00 |
0.00 |
7.80 |
0.00 |
| Antimony and its compound |
0.00 |
0.00 |
0.00 |
2.90 |
0.00 |
| Acetonitrile |
0.01 |
0.00 |
0.00 |
2.70 |
0.00 |
| Ethylene glycol |
0.00 |
0.00 |
0.00 |
1.60 |
0.00 |
| Bisphenol A-type expoxy resin |
0.00 |
0.00 |
0.00 |
0.02 |
0.10 |
| Hydroquinone |
0.00 |
0.00 |
0.00 |
1.30 |
0.00 |
| 3-methyl pyridine |
0.00 |
0.00 |
0.00 |
1.20 |
0.00 |
| Total |
138.49 |
0.00 |
0.96 |
75.82 |
638.76 |

Atomospheric pollution measurement |
(NOx:ppm SOx:m3N/h Particulate:g/m3N) |
| Measurement material |
Facility |
Government or municipal standard |
Measurement (largest value) |
| NOx |
Kiln |
180 |
69.5 |
| Boiler |
- |
2.2 |
| Reacting furnace1 |
180 |
58 |
| Reacting furnace2 |
180 |
66.75 |
| Reacting furnace3 |
180 |
69.9 |
| Refrigerator |
150 |
24.5 |
| Incinerator |
250 |
29.5 |
| SOx |
Incinerator |
0.55 |
<0.003 |
| Particulate |
Kiln |
0.1 |
<0.005 |
| Boiler |
- |
<0.005 |
| Reacting furnace1 |
0.1 |
<0.005 |
| Reacting furnace2 |
0.1 |
<0.005 |
| Reacting furnace3 |
0.1 |
<0.005 |
| Refrigerator |
0.05 |
<0.005 |
| Drying oven |
0.1 |
<0.005 |
| Incinerator |
0.15 |
0.007 |
Water pollution measurement |
(mg/l) |
| Measurement material |
Government standard |
Measurement (largest value) |
| Living environment items |
Nitrite-nitrogen, nitrate-nitrogen compounds |
100 |
0.08 |
| Biochemical oxygen demand [BOD] |
300 |
4.58 |
| Chemical oxygen demand [COD] |
- |
7.42 |
| Suspended solids |
300 |
4.96 |
| Copper and its compound |
3 |
0.01 |
| Zinc and its compound |
2 |
0.34 |
| Soluble iron and its compound |
10 |
0.08 |
| Soluble manganese and its compound |
10 |
0.45 |
| Chrome and its compound |
2 |
0.19 |
| Phosphorous content |
20 |
0.15 |
| Nitrogen content |
150 |
13.4 |
The following materials were below the detectable limit;
cyan, organic phosphorus, lead, arsenic, mercury, alkyl mercury, PCB, Trichloroethylene, carbon tetrachloride, 1.2-dicloroethane, 1,1,1-trichloroethane, Normal hexane extracts (animal and vegetable oil), Normal hexane extracts (mineral oil)
Noise generated |
(dB) |
| |
Government or municipal standard |
Measurement
(largest value) |
| Daytime |
70 |
59.5 |
| Morning and night |
65 |
61 |
| Nighttime |
60 |
54 |
Vibrations generated |
(dB) |
| |
Government or municipal standard |
Measurement
(largest value) |
| Daytime |
70 |
45 |
| Nighttime |
60 |
<25 |