JPS521977A - Process for treating an incinerated sludge ash of water treatment stat ion - Google Patents

Process for treating an incinerated sludge ash of water treatment stat ion

Info

Publication number
JPS521977A
JPS521977A JP7573175A JP7573175A JPS521977A JP S521977 A JPS521977 A JP S521977A JP 7573175 A JP7573175 A JP 7573175A JP 7573175 A JP7573175 A JP 7573175A JP S521977 A JPS521977 A JP S521977A
Authority
JP
Japan
Prior art keywords
treating
water treatment
sludge ash
stat ion
incinerated sludge
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
JP7573175A
Other languages
Japanese (ja)
Inventor
Shigeyoshi Tashiro
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP7573175A priority Critical patent/JPS521977A/en
Publication of JPS521977A publication Critical patent/JPS521977A/en
Pending legal-status Critical Current

Links

Landscapes

  • Treatment Of Sludge (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Paper (AREA)

Abstract

PURPOSE: To manufacture a rock wool or analogous products by a process comprising the steps of adding an iron compound and lime as an auxiliary filtration agent and as an ingredient adjustment agent to a sludge regardless of heavy metal contents, and thereafter dehydrating, incinerating and melting it.
COPYRIGHT: (C)1977,JPO&Japio
JP7573175A 1975-06-23 1975-06-23 Process for treating an incinerated sludge ash of water treatment stat ion Pending JPS521977A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7573175A JPS521977A (en) 1975-06-23 1975-06-23 Process for treating an incinerated sludge ash of water treatment stat ion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7573175A JPS521977A (en) 1975-06-23 1975-06-23 Process for treating an incinerated sludge ash of water treatment stat ion

Publications (1)

Publication Number Publication Date
JPS521977A true JPS521977A (en) 1977-01-08

Family

ID=13584695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7573175A Pending JPS521977A (en) 1975-06-23 1975-06-23 Process for treating an incinerated sludge ash of water treatment stat ion

Country Status (1)

Country Link
JP (1) JPS521977A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0692750A (en) * 1992-06-22 1994-04-05 Nkk Corp Light weight sound absorbing board
JPH06127962A (en) * 1992-06-22 1994-05-10 Nkk Corp Production of lightweight sound absorption plate
JPH06166578A (en) * 1992-06-22 1994-06-14 Senji Kaneko Lightweight sound-absorbing board and its production

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4963268A (en) * 1972-10-20 1974-06-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4963268A (en) * 1972-10-20 1974-06-19

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0692750A (en) * 1992-06-22 1994-04-05 Nkk Corp Light weight sound absorbing board
JPH06127962A (en) * 1992-06-22 1994-05-10 Nkk Corp Production of lightweight sound absorption plate
JPH06166578A (en) * 1992-06-22 1994-06-14 Senji Kaneko Lightweight sound-absorbing board and its production

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