Clean water is used on an average rate of 250 - 400 liters / capita / day. It then becomes waste water. Direct discharge of waste water without propoer treatment in urban areas, such as working site, buildings and crowded population areas, will cause a serious pollution.
Waste & Environmental Technologies Ltd.
Units 601 & 602, 6/F, Lakeside2,
No. 10 Science Park West Avenue, Phase II, Hong Kong Science Park, Shatin, N.T., Hong Kong
