:

30

1970free water surface flow,FWS SSFsubsurface flow systemRZMroot-zone method1985RBTSreed bed treatment system

.

..

.

, ,OK

900. 2free water surfaceFWSsubsurface flowSSF

Pistia stratiotesEichhornia crassipesFWS104. 54. 20.45S30Typha orientlis PreslPhragmites auatralis L.

SSF14.4m5m0.75m12.2m5m0.75m24.2m8m0.75m9011

90 1 310 15 4 5 25 30 45 , 82

CODBODTPTPCODBOD

(BO) 787~8OK20~25

ICIC :

: : , 2

( ): : :

:37 , : 4040

: 1.21.2121ii , :1717

FWS450FWSemergent macrophytes

SSF FWSSSFSSF4001m

300SSFFloating Aquatic Plants