20
7 月
2009
The advanced country abolishes sewages and retrieves the type of using
Submitted by superThe advanced country abolishes sewages and retrieves the type of using
First kind
City sewage treatment plant put flowing water regeneration retrieve, make for irrigate, life miscellaneous water, industry make water Cheng, groundwater subsidize, drinking water source of water,etc., can divide into two following ways.
Deal with simple and easily putting the flowing water, make the secondary use of life or irrigate the water, it deals with unit price relatively low, is generally about new Taiwan dollar of 5 to 10 yuan of each stere.
