JPH0577477B2 - - Google Patents
Info
- Publication number
- JPH0577477B2 JPH0577477B2 JP61255850A JP25585086A JPH0577477B2 JP H0577477 B2 JPH0577477 B2 JP H0577477B2 JP 61255850 A JP61255850 A JP 61255850A JP 25585086 A JP25585086 A JP 25585086A JP H0577477 B2 JPH0577477 B2 JP H0577477B2
- Authority
- JP
- Japan
- Prior art keywords
- fly ash
- heavy metals
- amount
- agent
- elution
- 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.)
- Expired - Lifetime
Links
- 239000010881 fly ash Substances 0.000 claims description 45
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 229910001385 heavy metal Inorganic materials 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 150000003568 thioethers Chemical class 0.000 claims 1
- 238000010828 elution Methods 0.000 description 12
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000002956 ash Substances 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- -1 Further Substances 0.000 description 1
- 229910004767 CaSn Inorganic materials 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- IHYNKGRWCDKNEG-UHFFFAOYSA-N n-(4-bromophenyl)-2,6-dihydroxybenzamide Chemical compound OC1=CC=CC(O)=C1C(=O)NC1=CC=C(Br)C=C1 IHYNKGRWCDKNEG-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61255850A JPS63111990A (ja) | 1986-10-29 | 1986-10-29 | ごみ焼却飛灰中の重金属類の安定化処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61255850A JPS63111990A (ja) | 1986-10-29 | 1986-10-29 | ごみ焼却飛灰中の重金属類の安定化処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63111990A JPS63111990A (ja) | 1988-05-17 |
| JPH0577477B2 true JPH0577477B2 (de) | 1993-10-26 |
Family
ID=17284457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61255850A Granted JPS63111990A (ja) | 1986-10-29 | 1986-10-29 | ごみ焼却飛灰中の重金属類の安定化処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63111990A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH026889A (ja) * | 1988-06-27 | 1990-01-11 | Hitachi Zosen Corp | 飛灰の無害化処理方法 |
| JP2722529B2 (ja) * | 1988-10-04 | 1998-03-04 | 大同特殊鋼株式会社 | 重金属含有ダストの無害化処理方法 |
| JP2736097B2 (ja) * | 1989-02-01 | 1998-04-02 | 甲陽化成株式会社 | 有害重金属を含有する産業廃棄物の無害化処理方法 |
| JPH06166862A (ja) * | 1992-08-19 | 1994-06-14 | Nippon Soda Co Ltd | 飛灰の重金属固定剤及び無害化処理方法 |
| US6682713B2 (en) | 2001-01-26 | 2004-01-27 | Tosoh Corporation | Iron sulfides, processes for producing the same, iron sulfide mixture, heavy metal treating agent, and method of treating with the agent |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS595358A (ja) * | 1982-06-28 | 1984-01-12 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | マイクロコンピユ−タの制御方法 |
| JPS5973091A (ja) * | 1982-10-20 | 1984-04-25 | Daido Steel Co Ltd | 焼却炉集塵灰等の処理方法 |
-
1986
- 1986-10-29 JP JP61255850A patent/JPS63111990A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS595358A (ja) * | 1982-06-28 | 1984-01-12 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | マイクロコンピユ−タの制御方法 |
| JPS5973091A (ja) * | 1982-10-20 | 1984-04-25 | Daido Steel Co Ltd | 焼却炉集塵灰等の処理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63111990A (ja) | 1988-05-17 |
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