JPS55124582A - Solidification of fine powdery waste - Google Patents
Solidification of fine powdery wasteInfo
- Publication number
- JPS55124582A JPS55124582A JP3253779A JP3253779A JPS55124582A JP S55124582 A JPS55124582 A JP S55124582A JP 3253779 A JP3253779 A JP 3253779A JP 3253779 A JP3253779 A JP 3253779A JP S55124582 A JPS55124582 A JP S55124582A
- Authority
- JP
- Japan
- Prior art keywords
- wastes
- component
- molding
- fine powdery
- solidification
- 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
- 239000002699 waste material Substances 0.000 title abstract 7
- 238000007711 solidification Methods 0.000 title abstract 2
- 230000008023 solidification Effects 0.000 title abstract 2
- 238000000465 moulding Methods 0.000 abstract 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 2
- 230000002787 reinforcement Effects 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 235000012255 calcium oxide Nutrition 0.000 abstract 1
- 239000000292 calcium oxide Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000004927 clay Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000010828 elution Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 239000003365 glass fiber Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 239000010801 sewage sludge Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Abstract
PURPOSE: To make easier the handling of wastes which are hard to handle by solidification at low cost by the procedure in which a fibrous reinforcement and/or a solidifying accelerator are added to fine powdery wastes, and then the wastes are subjected to an autoclave steam treatment with the presence of a Ca component.
CONSTITUTION: Sewage sludge or incinerated fine powdery wastes are dehydrated and dried as needed, and then mixed with a fibrous reinforcement, e.g., glass fiber, steel fiber, etc., together with a solidifying accelerator, e.g., clay, an Al compound, etc., as needed. Then, the mixture is molded with a Ca component (in a proportion of 10wt% in terms of quick lime in the molding) and then the molding is treated with steam in an autoclave, in which no addition of the Ca component is required in case where sufficient Ca component is already present in the molding. Thus, the wastes can be solidified into a stroung solid with a cheap solidifying agent, thus eliminating trouble with the elution of harmful substances in the reclaiming site, etc. and also permitting the recycling of the wastes as aggregate, etc. for reuse.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3253779A JPS55124582A (en) | 1979-03-20 | 1979-03-20 | Solidification of fine powdery waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3253779A JPS55124582A (en) | 1979-03-20 | 1979-03-20 | Solidification of fine powdery waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55124582A true JPS55124582A (en) | 1980-09-25 |
Family
ID=12361680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3253779A Pending JPS55124582A (en) | 1979-03-20 | 1979-03-20 | Solidification of fine powdery waste |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55124582A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63212897A (en) * | 1988-02-10 | 1988-09-05 | 株式会社日立製作所 | Nuclear-reactor decompression cooling device |
| US4790691A (en) * | 1986-10-03 | 1988-12-13 | Freed W Wayne | Fiber reinforced soil and method |
| US4867614A (en) * | 1986-10-03 | 1989-09-19 | Freed W Wayne | Reinforced soil and method |
| US5326192A (en) * | 1992-10-20 | 1994-07-05 | Synthetic Industries, Inc. | Methods for improving appearance and performance characteristics of turf surfaces |
| US6042305A (en) * | 1997-08-15 | 2000-03-28 | Ppg Industries Ohio, Inc. | Fiber-reinforced soil mixtures |
-
1979
- 1979-03-20 JP JP3253779A patent/JPS55124582A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4790691A (en) * | 1986-10-03 | 1988-12-13 | Freed W Wayne | Fiber reinforced soil and method |
| US4867614A (en) * | 1986-10-03 | 1989-09-19 | Freed W Wayne | Reinforced soil and method |
| JPS63212897A (en) * | 1988-02-10 | 1988-09-05 | 株式会社日立製作所 | Nuclear-reactor decompression cooling device |
| JPH0318160B2 (en) * | 1988-02-10 | 1991-03-11 | Hitachi Ltd | |
| US5326192A (en) * | 1992-10-20 | 1994-07-05 | Synthetic Industries, Inc. | Methods for improving appearance and performance characteristics of turf surfaces |
| US6042305A (en) * | 1997-08-15 | 2000-03-28 | Ppg Industries Ohio, Inc. | Fiber-reinforced soil mixtures |
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