State of Discharge and Treatment of Industrial Waste in FY 2005

A nationwide survey on the state of discharge and treatment of industrial waste in FY 2005 (April 1, 2005 - March 31, 2006) was conducted and results summarized as follows. (Figures in parentheses are those of FY 2004.)

1. State of discharge and treatment
(1) Total amount of discharge
Decrease by approximately 5 million tons (approximately 1.1%) compared to FY 2004.
- Total volume approximately 422 million tons (417 million tons)

(2) Amount by industries
Top-six industries account for 85% of the total, unchanged from FY 2004.
1 Electricity, gas, heat & water supply; 97.07 million tons, 23%
(92.36 million tons, 22.1%)
2 Agriculture; 87.54 million tons, 20.8% (89.28 million tons, 21.4%)
3 Construction; 76.47 million tons, 18.1% (79.06 million tons, 19.0%)
4 Steel industry; 43.18 million tons, 10.2% (37.3 million tons, 8.9%)
5 Pulp, paper & processed paper manufacturing; 35.49 million tons, 8.4%
(36.78 million tons, 8.8%)
6 Chemical industry; 16.80 million tons, 4.0% (16.89 million tons, 4.0%)

(3) Volume by type of waste
Top-three types of waste account for 80% of the total waste generated, unchanged from FY 2004.
1 Sludge; 187.69 million tons, 44.5% (188.31 million tons, 45.1%)
2 Excrement of animals 87.20 million tons, 20.7%
(87.69 million tons, 21.0%)
3 Debris; 60.56 million tons, 14.4% (62.50 million tons, 15.0%)

(4) Treatment of industrial waste
Rates of final disposals have decreased by nearly 7 % from the ratio in FY 2004.
- Recycling; 219 million tons, 51.9% (214 million tons, 51.3%)
- Reduction; 179 million tons, 42.3% (177 million tons, 42.5%)
- Final disposal; 24 million tons, 5.7% (26 million tons, 6.2%)

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