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 ionInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4963268A (en) * | 1972-10-20 | 1974-06-19 |
-
1975
- 1975-06-23 JP JP7573175A patent/JPS521977A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4963268A (en) * | 1972-10-20 | 1974-06-19 |
Cited By (3)
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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