JPS5249977A - Treating method of sealing up polluted soil with hexa valent chromium by reduction - Google Patents
Treating method of sealing up polluted soil with hexa valent chromium by reductionInfo
- Publication number
- JPS5249977A JPS5249977A JP50126632A JP12663275A JPS5249977A JP S5249977 A JPS5249977 A JP S5249977A JP 50126632 A JP50126632 A JP 50126632A JP 12663275 A JP12663275 A JP 12663275A JP S5249977 A JPS5249977 A JP S5249977A
- Authority
- JP
- Japan
- Prior art keywords
- sealing
- reduction
- treating method
- polluted soil
- hexa
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Fire-Extinguishing Compositions (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
PURPOSE: To reduce hexa valent Cr to trivalent and to solidify harmless by injecting reducing agent and solidifying agent, such as cement, with super high pressure from each equipped nozzle, at the time of carring out above treatment on the polluted ground with hexa valent chromium or the ground containing chromium ore slag.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50126632A JPS5249977A (en) | 1975-10-20 | 1975-10-20 | Treating method of sealing up polluted soil with hexa valent chromium by reduction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50126632A JPS5249977A (en) | 1975-10-20 | 1975-10-20 | Treating method of sealing up polluted soil with hexa valent chromium by reduction |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5249977A true JPS5249977A (en) | 1977-04-21 |
JPS5315990B2 JPS5315990B2 (en) | 1978-05-29 |
Family
ID=14939984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50126632A Granted JPS5249977A (en) | 1975-10-20 | 1975-10-20 | Treating method of sealing up polluted soil with hexa valent chromium by reduction |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5249977A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52128879A (en) * | 1976-04-23 | 1977-10-28 | Daiichi Nenryo Kogyo | Method of nonnpolluting sludge containing chromium |
JPS53135508A (en) * | 1977-05-02 | 1978-11-27 | Hitachi Ltd | Signal repeating installation |
EP1413635A1 (en) * | 1997-03-27 | 2004-04-28 | JFE Steel Corporation | Method for reducing Cr(VI) in chromium oxide-containing waste materials |
JP2005232341A (en) * | 2004-02-20 | 2005-09-02 | Takataro Mizuta | Treatment agent of hexavalent chromium-containing soil |
JP2007190482A (en) * | 2006-01-18 | 2007-08-02 | Tokyu Construction Co Ltd | Apparatus and method for cleaning contaminated soil |
CN103920701A (en) * | 2014-04-24 | 2014-07-16 | 杭州大地环保工程有限公司 | Method for restoring chromium-polluted soil |
CN105217825A (en) * | 2014-05-29 | 2016-01-06 | 宝山钢铁股份有限公司 | A kind of staging treating method of fluorine-containing heavy metal wastewater thereby |
CN111215441A (en) * | 2020-01-22 | 2020-06-02 | 湖南金旅环保股份有限公司 | Heavy metal chromium contaminated soil remediation step-by-step leaching method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57135297U (en) * | 1981-02-16 | 1982-08-23 |
-
1975
- 1975-10-20 JP JP50126632A patent/JPS5249977A/en active Granted
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52128879A (en) * | 1976-04-23 | 1977-10-28 | Daiichi Nenryo Kogyo | Method of nonnpolluting sludge containing chromium |
JPS53135508A (en) * | 1977-05-02 | 1978-11-27 | Hitachi Ltd | Signal repeating installation |
EP1413635A1 (en) * | 1997-03-27 | 2004-04-28 | JFE Steel Corporation | Method for reducing Cr(VI) in chromium oxide-containing waste materials |
JP2005232341A (en) * | 2004-02-20 | 2005-09-02 | Takataro Mizuta | Treatment agent of hexavalent chromium-containing soil |
JP2007190482A (en) * | 2006-01-18 | 2007-08-02 | Tokyu Construction Co Ltd | Apparatus and method for cleaning contaminated soil |
JP4610013B2 (en) * | 2006-01-18 | 2011-01-12 | 東急建設株式会社 | Contaminated soil purification device and purification method |
CN103920701A (en) * | 2014-04-24 | 2014-07-16 | 杭州大地环保工程有限公司 | Method for restoring chromium-polluted soil |
CN105217825A (en) * | 2014-05-29 | 2016-01-06 | 宝山钢铁股份有限公司 | A kind of staging treating method of fluorine-containing heavy metal wastewater thereby |
CN111215441A (en) * | 2020-01-22 | 2020-06-02 | 湖南金旅环保股份有限公司 | Heavy metal chromium contaminated soil remediation step-by-step leaching method |
Also Published As
Publication number | Publication date |
---|---|
JPS5315990B2 (en) | 1978-05-29 |
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