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 reduction

Info

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
Application number
JP50126632A
Other languages
Japanese (ja)
Other versions
JPS5315990B2 (en
Inventor
Kenji Kawasaki
Shigeyoshi Miura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Konoike Construction Co Ltd
Original Assignee
Konoike Construction Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Konoike Construction Co Ltd filed Critical Konoike Construction Co Ltd
Priority to JP50126632A priority Critical patent/JPS5249977A/en
Publication of JPS5249977A publication Critical patent/JPS5249977A/en
Publication of JPS5315990B2 publication Critical patent/JPS5315990B2/ja
Granted legal-status Critical Current

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
JP50126632A 1975-10-20 1975-10-20 Treating method of sealing up polluted soil with hexa valent chromium by reduction Granted JPS5249977A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57135297U (en) * 1981-02-16 1982-08-23

Cited By (9)

* Cited by examiner, † Cited by third party
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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