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The State of the Discharge and Treatment of Industrial Waste in FY 2007

January 12, 2010

A nationwide survey on the state of the discharge and treatment of industrial waste in FY 2007 (April 1, 2007 - March 31, 2008) was conducted and the results have been summarized as follows. There were no significant changes compared to FY 2006.
(Figures in parentheses are those from FY 2006.)

The state of discharge and treatment

(1) Total amount of discharge
- Total volume approximately 419 million tons (418 million tons)

(2) Amount by industry
The top 6 industries account for 80% of the total, same as in FY 2006.
1. Electricity, gas, heat and water supply 95.81 million tons, 22.8% (97.08 million tons, 23.2%)
2. Agriculture 87.81 million tons, 20.9% (87.92 million tons, 21.0%)
3. Construction 77.25 million tons, 18.4% (77.53 million tons, 18.5%)
4. Steel industry 38.27 million tons, 9.1% (38.37 million tons, 9.2%)
5. Pulp, paper and processed paper manufacturing 35.48 million tons, 8.5% (33.87 million tons, 8.1%)
6. Chemical industry 17.58 million tons, 4.2% (17.21 million tons, 4.1%)

(3) Amount by type of waste
The top 3 types of waste account for 80% of the total, same as in FY 2006.
1. Sludge 185.31 million tons, 44.2% (185.33 million tons, 44.3%)
2. Excrement of animals 87.48 million tons, 20.9% (87.57 million tons, 20.9%)
3. Debris 60.90 million tons, 14.5% (60.82 million tons, 14.4%)

(4) Treatment of industrial waste
- Recycle 218.81 million tons, 52.2% (214.77 million tons, 51.3%)
- Reduction 180.47 million tons, 43.0% (181.93 million tons, 42.5%)
- Final disposal 20.14 million tons, 4.8% (21.8 million tons, 5.2%)

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