Measurement Data (Sayama Plant)
Measurement Data (Sayama Plant)
Wastes and Substances of Concern
Wastes
More than 99.5 % of emission is subjected to the thermal recycle or material recycle.
Unit | FY2015 | FY2016 | FY2017 | FY2018 | FY2019 | |
---|---|---|---|---|---|---|
Total discharge amount including wastes | ton | 247 | 355 | 442 | 454 | 483 |
Sludge | kg | 185,467 | 289,365 | 359,416 | 368,090 | 392,720 |
Metals(battery) | kg | 33 | 38 | 64 | 116 | 25 |
Wood | kg | 2,660 | 5,010 | 2,510 | 2,610 | 3,720 |
Oil | kg | 11,520 | 11,400 | 11,193 | 11,135 | 9,610 |
Acid | kg | 466 | 479 | 852 | 7,648 | 6,833 |
Alkali | kg | 17,336 | 16,422 | 19,718 | 16,070 | 17,180 |
Glass and ceramics | kg | 15,628 | 19,845 | 18,310 | 20,240 | 25,975 |
Plastic | kg | 13,749 | 12,799 | 21,291 | 28,333 | 27,064 |
Combustible garbage | kg | - | - | - | - | - |
Other(Low and high concertation PCB waste) | kg | - | - | 8,407 | 90 | - |
Water Quality
As to drainage, according to the inspection based on the laws and regulations, there is no abnormality. Following shows the result of FY2020.
Hazardous substance
item | Unit | Limit | Measured value |
---|---|---|---|
Cadmium and its compounds | mg/l | 0.1 | < 0.001 |
Cyanogen compound | mg/l | 1 | < 0.02 |
Organophosphorus compound (Only Parathion, methyl parathion, methyl demeton or EPN) |
mg/l | 1 | < 0.10 |
Lead and its compounds | mg/l | 0.1 | < 0.01 |
Hexavalent chromium compounds | mg/l | 0.5 | < 0.01 |
Arsenic and its compounds | mg/l | 0.1 | < 0.01 |
Mercury and its compounds | mg/l | 0.005 | < 0.0005 |
Alkyl mercury compounds | - | Not to be detected | Not detected |
Polychlorinated biphenyl | mg/l | 0.003 | < 0.0003 |
Trichloroethylene | mg/l | 0.1 | < 0.01 |
Tetrachloroethylene | mg/l | 0.1 | < 0.01 |
Dichloromethane | mg/l | 0.2 | < 0.02 |
Carbon tetrachloride | mg/l | 0.02 | < 0.002 |
1, 2-Dichloroethane | mg/l | 0.04 | < 0.004 |
1, 1 - Dichloroethane | mg/l | 1 | < 0.02 |
Cis- 1, 2 - Dichloroethane | mg/l | 0.4 | < 0.04 |
1, 1, 1 - Trichloroethane | mg/l | 3 | < 0.3 |
1, 1, 2 ‐ Trichloroethane | mg/l | 0.06 | < 0.006 |
1, 3 - Dichloropropene | mg/l | 0.02 | < 0.002 |
Thiuram | mg/l | 0.06 | < 0.006 |
Simazine | mg/l | 0.03 | < 0.003 |
Benthiocarb | mg/l | 0.2 | < 0.02 |
Benzene | mg/l | 0.1 | < 0.01 |
Selenium and its compounds | mg/l | 0.1 | < 0.01 |
Boron and its compounds | mg/l | 10 | < 0.2 |
Fluorine and its compounds | mg/l | 8 | 2.8 |
1, 4 - dioxane | mg/l | 0.5 | < 0.05 |
Ammonia and its compounds, Nitrous acid and nitric compound | mg/l | 100 | 7.1 |
Other drainage
item | Unit | Limit | Measured value |
---|---|---|---|
pH | pH | 5.8≦ Χ ≤8.6 | 6.6 |
BOD | mg/l | 160 | 13.0 |
COD | mg/l | 160 | 5.7 |
SS | mg/l | 200 | 8.0 |
n-Hex (mineral oil) | mg/l | 5 | < 1.1 |
Phenols | mg/l | 5 | < 0.10 |
Copper | mg/l | 3 | < 0.10 |
Zinc | mg/l | 2 | < 0.10 |
s-Fe | mg/l | 10 | < 1.0 |
s-Mn | mg/l | 10 | < 1.0 |
Nitrogen | mg/l | 120 | 15.6 |
Phosphorus | mg/l | 16 | < 0.10 |
Related Input material amount
Unit | FY2015 | FY2016 | FY2017 | FY2018 | FY2019 | |
---|---|---|---|---|---|---|
Type A Heavy Oil | ℓ | 1,140 | 1,840 | 670 | 1,380 | 1,040 |
LPG | m3 | 57,854 | 65,987 | 75,250 | 75,523 | 95,303 |
Electric Power | MWh | 29,983 | 32,294 | 36,311 | 36,475 | 29,861 |
Water | m3 | 258,016 | 195,051 | 241,712 | 315,647 | 308,272 |
Water (Intensity) | m3/pcs | 0.00677 | 0.00199 | 0.00188 | 0.00170 | 0.00400 |