JPS55149673A - Method for solidification treatment of impalpable powder waste containing heavy metal - Google Patents
Method for solidification treatment of impalpable powder waste containing heavy metalInfo
- Publication number
- JPS55149673A JPS55149673A JP5660979A JP5660979A JPS55149673A JP S55149673 A JPS55149673 A JP S55149673A JP 5660979 A JP5660979 A JP 5660979A JP 5660979 A JP5660979 A JP 5660979A JP S55149673 A JPS55149673 A JP S55149673A
- Authority
- JP
- Japan
- Prior art keywords
- added
- heavy metal
- waste
- approximate
- component
- 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
- Processing Of Solid Wastes (AREA)
Abstract
PURPOSE: To prevent the elution of noxious heavy metal components at low cost by a method wherein a solidification accelerant or a reductant is added as necessary under the existance of Ca component and impalpable waste containing heary metal is molded.
CONSTITUTION: A Ca component, such as CaCO3, CaOCaSO4, CaCl2, Ca(OH)2, etc. is added and mixed to impalpable powder waste containing noxious heavy metal components in approximate 10wt% as CaO. When the waste contains only the Ca component and is difficult to be solidified, silicic substance, such as diatomite, silicic white earth, silica, water glass, etc., clays, Al2O3, fly ash, etc. are added in approximate 10W30wt% as a solidification accelerant. When the waste contains sexivalent Cr, a reductant, such as the salt of bivalent iron ions, sulfurous acid (salt), coke, etc. is added and mixed in approximate 5W15wt%, and the waste is press-molded and solidified under the existence of press urized steam in 2kg.f /cm2 in an autoclave.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5660979A JPS55149673A (en) | 1979-05-09 | 1979-05-09 | Method for solidification treatment of impalpable powder waste containing heavy metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5660979A JPS55149673A (en) | 1979-05-09 | 1979-05-09 | Method for solidification treatment of impalpable powder waste containing heavy metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55149673A true JPS55149673A (en) | 1980-11-21 |
Family
ID=13031977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5660979A Pending JPS55149673A (en) | 1979-05-09 | 1979-05-09 | Method for solidification treatment of impalpable powder waste containing heavy metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55149673A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5130051A (en) * | 1988-07-19 | 1992-07-14 | Safe-Waste Systems, Inc. | Composition to encapsulate chromium, arsenic and other toxic metals in wastes |
| US5814209A (en) * | 1993-03-03 | 1998-09-29 | Sud-Chemie Ag | Method for ecological utilization of acid effluents of fuller's earth |
| US5866754A (en) * | 1992-12-07 | 1999-02-02 | Gerard De Blangy | Method and apparatus for processing and exploiting waste by transforming it into materials that are non-polluting and reusable |
| KR100375407B1 (en) * | 2000-09-19 | 2003-03-08 | 태멘리사이클 주식회사 | method of manufacturing solity for preventing heavy metals from being occurred in wastes and solity manufactured by the same |
| JP2005138073A (en) * | 2003-11-10 | 2005-06-02 | Kawasaki Heavy Ind Ltd | Stabilization of solid waste |
| CN104923545A (en) * | 2015-06-10 | 2015-09-23 | 山东迈尔口腔材料有限公司 | Technology for treating abandoned metal powder produced by 3D metal printing machine |
| JP2018538128A (en) * | 2016-03-15 | 2018-12-27 | フルオシュミ ゲーエムベーハー フランクフルト | Composition containing modified low chromate red mud and process for producing the composition |
| JP2021053534A (en) * | 2019-09-27 | 2021-04-08 | 太平洋セメント株式会社 | Waste insolubilization method |
-
1979
- 1979-05-09 JP JP5660979A patent/JPS55149673A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5130051A (en) * | 1988-07-19 | 1992-07-14 | Safe-Waste Systems, Inc. | Composition to encapsulate chromium, arsenic and other toxic metals in wastes |
| US5866754A (en) * | 1992-12-07 | 1999-02-02 | Gerard De Blangy | Method and apparatus for processing and exploiting waste by transforming it into materials that are non-polluting and reusable |
| US5814209A (en) * | 1993-03-03 | 1998-09-29 | Sud-Chemie Ag | Method for ecological utilization of acid effluents of fuller's earth |
| KR100375407B1 (en) * | 2000-09-19 | 2003-03-08 | 태멘리사이클 주식회사 | method of manufacturing solity for preventing heavy metals from being occurred in wastes and solity manufactured by the same |
| JP2005138073A (en) * | 2003-11-10 | 2005-06-02 | Kawasaki Heavy Ind Ltd | Stabilization of solid waste |
| CN104923545A (en) * | 2015-06-10 | 2015-09-23 | 山东迈尔口腔材料有限公司 | Technology for treating abandoned metal powder produced by 3D metal printing machine |
| JP2018538128A (en) * | 2016-03-15 | 2018-12-27 | フルオシュミ ゲーエムベーハー フランクフルト | Composition containing modified low chromate red mud and process for producing the composition |
| JP2021053534A (en) * | 2019-09-27 | 2021-04-08 | 太平洋セメント株式会社 | Waste insolubilization method |
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