Drainage water-treating method

Details Drainage water-treating method Drainage water-treating method

2007-05-17

2011-11-15

Barry, Chester (Department: 1778)

Liquid purification or separation

Processes

Treatment by living organism

C210S616000, C210S617000, C210S618000, C210S620000, C210S631000, C210S694000

Reexamination Certificate

active

08057676

ABSTRACT:
Drainage water containing an organofluorine compound is introduced into a raw tank (1) and then filtered through a filtration device (4). Next, a microorganism, a micro-nanobubbling auxiliary agent and a nutrient are added thereto in a first transit tank (5) while micro-nanobubbles are generated thereinto by a micro-nanobubbling machine (7), thereby giving treated water. This treated water is then fed into an active carbon column (14) and then the above-described organofluorine compound contained in the treated water is decomposed by the microorganism as described above.

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