JPS5251747A - Method of treating sludge - Google Patents

Method of treating sludge

Info

Publication number
JPS5251747A
JPS5251747A JP12674775A JP12674775A JPS5251747A JP S5251747 A JPS5251747 A JP S5251747A JP 12674775 A JP12674775 A JP 12674775A JP 12674775 A JP12674775 A JP 12674775A JP S5251747 A JPS5251747 A JP S5251747A
Authority
JP
Japan
Prior art keywords
treating sludge
heavy metals
fitered
dregs
dehydration
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.)
Pending
Application number
JP12674775A
Other languages
Japanese (ja)
Inventor
Kazunobu Terada
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.)
KOTOBUKI KOUGIYOU KK
Kotobuki Kogyo KK
Original Assignee
KOTOBUKI KOUGIYOU KK
Kotobuki Kogyo KK
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 KOTOBUKI KOUGIYOU KK, Kotobuki Kogyo KK filed Critical KOTOBUKI KOUGIYOU KK
Priority to JP12674775A priority Critical patent/JPS5251747A/en
Publication of JPS5251747A publication Critical patent/JPS5251747A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fire-Extinguishing Compositions (AREA)
  • Treatment Of Sludge (AREA)

Abstract

PURPOSE: To provide a method of treating sludge, in which dissolution of heavy metals in fitered dregs into water is prevented by adding sulfides to sludges containing harmful heavy metals alone or in combination with other agents such as calcium sulfate or diatomaceous earth, followed by dehydration and drying.
COPYRIGHT: (C)1977,JPO&Japio
JP12674775A 1975-10-20 1975-10-20 Method of treating sludge Pending JPS5251747A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12674775A JPS5251747A (en) 1975-10-20 1975-10-20 Method of treating sludge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12674775A JPS5251747A (en) 1975-10-20 1975-10-20 Method of treating sludge

Publications (1)

Publication Number Publication Date
JPS5251747A true JPS5251747A (en) 1977-04-25

Family

ID=14942897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12674775A Pending JPS5251747A (en) 1975-10-20 1975-10-20 Method of treating sludge

Country Status (1)

Country Link
JP (1) JPS5251747A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007105549A (en) * 2005-08-19 2007-04-26 Ube Ind Ltd Treatment composition for heavy metal contaminated soil and treatment method
CN114437728A (en) * 2022-01-11 2022-05-06 中交三航局第八工程(湖南)有限公司 Preparation method of repairing agent for fluorine pollution, prepared repairing agent and application thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
INDUSTRIAL WASTES THEIR DISPOSAL AND TREATMENT *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007105549A (en) * 2005-08-19 2007-04-26 Ube Ind Ltd Treatment composition for heavy metal contaminated soil and treatment method
CN114437728A (en) * 2022-01-11 2022-05-06 中交三航局第八工程(湖南)有限公司 Preparation method of repairing agent for fluorine pollution, prepared repairing agent and application thereof
CN114437728B (en) * 2022-01-11 2023-09-29 中交三航局第八工程(湖南)有限公司 Preparation method of restoration agent for fluorine pollution, prepared restoration agent and application of restoration agent

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