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Minebea and Environment |
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Waste Water Treatment Facilities |
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Minebea Group of Companies (Thailand) has been committed not only to improve our product and work with environmental friendly concept, but also to protect the environment in local neighborhoods. We has put forth a special effort to complete the construction of waste water treatment facilities.
Minebea Group of Companies (Thailand) has invested 400 million baht in construction of four waste water treatment facilities and laboratory for waste water quality analysis that it has been licensed by Thai Industrial works Department to ensure the waste water satisfied the waste water standard and causes no environmental pollution. The waste water after treatment is reused for various purposes such as cleaning plant floor, car washing, planting, and using in toilet. In addition, we has studied and try to reuse the most of waste water such as using in cooling tower. |
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Results of Waste Water Quality Analysis
(04/2006-03/2007) |
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Bang Pa-in Plant |
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Legal Limit |
Voluntary Limit |
Maximum |
Average
(mg/l) |
| pH |
5.5-9.0 |
6.5-8.5 |
8.01 |
7.58 |
| COD |
120 |
80 |
46.48 |
33.50 |
| BOD |
20 |
18 |
3.80 |
2.97 |
| SS |
50 |
20 |
3.54 |
2.06 |
| Oil & Grease |
5 |
5 |
2.66 |
2.00 |
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Lopburi Plant |
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Legal Limit |
Voluntary Limit |
Maximum |
Average
(mg/l) |
| pH |
5.5-9.0 |
6.5-8.5 |
7.84 |
7.70 |
| COD |
120 |
80 |
62.00 |
52.00 |
| BOD |
20 |
18 |
4.00 |
3.08 |
| SS |
50 |
20 |
10.00 |
5.92 |
| Oil & Grease |
5 |
5 |
1.60 |
1.05 |
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Ayutthaya Plant |
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Legal Limit |
Voluntary Limit |
Maximum |
Average
(mg/l) |
| pH |
5.5-9.0 |
6.5-8.5 |
7.91 |
7.43 |
| COD |
120 |
80 |
55.85 |
30.67 |
| BOD |
20 |
18 |
3.00 |
3.00 |
| SS |
50 |
20 |
5.20 |
0.98 |
| Oil & Grease |
5 |
5 |
1.90 |
1.57 |
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Rojana Plant |
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Industrial Park Limit |
Voluntary Limit |
Maximum |
Average
(mg/l) |
| pH |
5.5-9.0 |
6.0-8.8 |
6.75 |
6.55 |
| COD |
1250 |
1000 |
508.00 |
401.17 |
| BOD |
500 |
450 |
78.00 |
70.92 |
| SS |
200 |
150 |
22.00 |
13.08 |
| Oil & Grease |
10 |
10 |
4.10 |
2.94 |
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