Title:
INSOLUBILIZING AGENT
Document Type and Number:
WIPO Patent Application WO/2010/052986
Kind Code:
A1
Abstract:
An insolubilizing agent which can sufficiently inhibit, even when added in a small amount, heavy metals and so on from being leached from heavily contaminated soil or wastewater. The insolubilizing agent contains a partial hydrate of soft-burned magnesia, said partial hydrate being prepared by subjecting a soft-burned magnesia obtained by burning a mineral comprising magnesium carbonate and/or magnesium hydroxide as the main component at 550 to 1,400°C to partial hydration. The content of magnesium oxide in the partial hydrate of soft-burned magnesia is 50 to 96.5mass%, the content of magnesium hydroxide therein is 3.5 to 50mass%, and the content of calcium therein is 5.0mass% or lower in terms of oxide.
Inventors:
MATSUYAMA YUUSUKE (JP)
HAYASHI HIROSHI (JP)
UCHIDA KOICHI (JP)
HIRAO HIROSHI (JP)
HAYASHI HIROSHI (JP)
UCHIDA KOICHI (JP)
HIRAO HIROSHI (JP)
Application Number:
PCT/JP2009/067434
Publication Date:
May 14, 2010
Filing Date:
October 06, 2009
Export Citation:
Assignee:
TAIHEIYO CEMENT CORP (JP)
MATSUYAMA YUUSUKE (JP)
HAYASHI HIROSHI (JP)
UCHIDA KOICHI (JP)
HIRAO HIROSHI (JP)
MATSUYAMA YUUSUKE (JP)
HAYASHI HIROSHI (JP)
UCHIDA KOICHI (JP)
HIRAO HIROSHI (JP)
International Classes:
C09K17/02; B09B3/00; B09C1/02; B09C1/08; C09K103/00
Foreign References:
| JP2008155101A | 2008-07-10 | |||
| JP2005238198A | 2005-09-08 | |||
| JP2004292568A | 2004-10-21 | |||
| JP2003193462A | 2003-07-09 | |||
| JP2003117532A | 2003-04-22 | |||
| JP2007161839A | 2007-06-28 | |||
| JP2007161838A | 2007-06-28 | |||
| JP2005238207A | 2005-09-08 | |||
| JPH06206722A | 1994-07-26 |
Attorney, Agent or Firm:
HIRATA, Naoyuki (JP)
Naoyuki Hirata (JP)
Naoyuki Hirata (JP)
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