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Title:
APPARATUS AND METHOD FOR CLEANING POLLUTED WATER AND GROUNDWATER
Document Type and Number:
Japanese Patent JP3825992
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an apparatus capable of cleaning polluted water such as groundwater efficiently without causing secondary pollution, by using a chlorine generating means (a chlorine steel cylinder or a chlorine solution, namely, functional water) without requiring activated carbon or microorganism treatment.
SOLUTION: In this apparatus and method, groundwater containing pollutants is aerated with a gas. The resultant gas containing the pollutants is mixed with a chlorine-containing gas, and then the mixed gas is irradiated with light to decompose the pollutants.


Inventors:
Kinya Kato
Akira Kuriyama
Masahiro Kawaguchi
Application Number:
JP2001183201A
Publication Date:
September 27, 2006
Filing Date:
June 18, 2001
Export Citation:
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Assignee:
Canon Inc
International Classes:
C02F1/20; A62D3/00; A62D3/17; A62D3/34; A62D3/36; B01D19/00; B01D53/70; B01J19/12; C07C19/03; C07C19/04; C07C19/05; C07C21/06; C07C21/073; C07C21/08; C07C21/10; C07C21/12; C07C35/06; C07C37/06; A62D101/22; (IPC1-7): C02F1/20; A62D3/00; B01D19/00; B01J19/12; C07C19/03; C07C19/04; C07C19/05; C07C21/06; C07C21/073; C07C21/08; C07C21/10; C07C21/12; C07C35/06; C07C37/06
Domestic Patent References:
JP9299753A
Foreign References:
EP0968739A1
Attorney, Agent or Firm:
Akio Miyazaki
Nobuyuki Kaneda
Katsuhiro Ito
Ishibashi Masayuki