Waste
Trends in Amount of Waste Generated and Effective Utilization Ratio
| Indicator | FY2012 | FY2013 | FY2014 | FY2015 | FY2016 | FY2017 | FY2018 | FY2019 | FY2020 |
|---|---|---|---|---|---|---|---|---|---|
| Amount of waste generated [tons] | 28,005 | 25,085 | 23,614 | 22,313 | 22,432 | 21,905 | 19,056 | 12,284 | 9,867 |
| Effective utilization ratio [%] | 96.4 | 97.9 | 98.9 | 98.9 | 99.2 | 99.2 | 99.1 | 99.3 | 99.3 |
Breakdown of Waste Generated, Effective Utilization, and Final Disposal
| Waste Type | FY2020 | ||
|---|---|---|---|
| Waste Generated [tons] | Effective Utilization [tons] | Final Disposal [tons] | |
| Total | 9,867 | 9,467 | 399 |
| Sludge | 1,275 | 1,185 | 90 |
| Waste oil | 1,021 | 1,010 | 12 |
| Waste acid | 1,055 | 1,052 | 3 |
| Waste alkali | 1.653 | 1,576 | 77 |
| Waste plastic | 2,177 | 2,130 | 47 |
| Waste wood | 463 | 429 | 35 |
| Waste metal | 628 | 628 | 0 |
| Glass / eramic waste | 228 | 225 | 3 |
| Other （*1） | 1,367 | 1,234 | 133 |
- （*1）Other:
Other includes general waste, paper waste, septic tank sludge, residue, rubble, textile waste, animal and plant residue, and infectious waste.
