Title:
閉鎖系淡水域の底質部改質方法及び底質部改質装置
Document Type and Number:
Japanese Patent JP4302564
Kind Code:
B2
Abstract:
To provide a method which can improve bottom sediment in a closed freshwater area to a weak alkaline and aerobic atmosphere.
The method for improving the bottom sediment in a closed freshwater area comprises a process for collecting water to be treated from the closed freshwater area, a process for mixing an oxygen- or ozone-containing gas, and particles of a magnesium compound selected from a group consisting of magnesium oxide, magnesium hydroxide, and calcined dolomite, with the collected water to be treated to prepare a suspension, and a process for returning the suspension to the closed freshwater area.
COPYRIGHT: (C)2006,JPO&NCIPI
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Inventors:
Hiroshi Akita
Takashi Idemitsu
Takashi Idemitsu
Application Number:
JP2004104642A
Publication Date:
July 29, 2009
Filing Date:
March 31, 2004
Export Citation:
Assignee:
Ube Material Industries Ltd.
International Classes:
C02F1/68; C02F7/00; C02F1/78
Domestic Patent References:
| JP2004330064A | ||||
| JP9239375A | ||||
| JP2003126884A |
Attorney, Agent or Firm:
Yanagawa Yasuo