JPH0217228B2 - - Google Patents
Info
- Publication number
- JPH0217228B2 JPH0217228B2 JP61026620A JP2662086A JPH0217228B2 JP H0217228 B2 JPH0217228 B2 JP H0217228B2 JP 61026620 A JP61026620 A JP 61026620A JP 2662086 A JP2662086 A JP 2662086A JP H0217228 B2 JPH0217228 B2 JP H0217228B2
- Authority
- JP
- Japan
- Prior art keywords
- coal ash
- iron
- pressure steam
- stabilizing
- iron chloride
- 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
- 239000010883 coal ash Substances 0.000 claims description 74
- 238000000034 method Methods 0.000 claims description 31
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 24
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 229910000358 iron sulfate Inorganic materials 0.000 claims description 23
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 13
- 239000011593 sulfur Substances 0.000 claims description 13
- 229910052717 sulfur Inorganic materials 0.000 claims description 13
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 11
- 239000001569 carbon dioxide Substances 0.000 claims description 11
- 238000004898 kneading Methods 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 7
- 239000003245 coal Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 6
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 claims 1
- 229910001385 heavy metal Inorganic materials 0.000 description 20
- 239000000126 substance Substances 0.000 description 19
- 238000010828 elution Methods 0.000 description 17
- 230000007774 longterm Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 239000011651 chromium Substances 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000002956 ash Substances 0.000 description 6
- -1 iron ions Chemical class 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000007922 dissolution test Methods 0.000 description 4
- 229960002089 ferrous chloride Drugs 0.000 description 4
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 150000002505 iron Chemical class 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000011812 mixed powder Substances 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 229910001653 ettringite Inorganic materials 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61026620A JPS62183896A (ja) | 1986-02-07 | 1986-02-07 | 石炭灰の安定化方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61026620A JPS62183896A (ja) | 1986-02-07 | 1986-02-07 | 石炭灰の安定化方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62183896A JPS62183896A (ja) | 1987-08-12 |
| JPH0217228B2 true JPH0217228B2 (sk) | 1990-04-19 |
Family
ID=12198514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61026620A Granted JPS62183896A (ja) | 1986-02-07 | 1986-02-07 | 石炭灰の安定化方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62183896A (sk) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2741645B2 (ja) * | 1992-09-08 | 1998-04-22 | 新日本製鐵株式会社 | 重金属含有灰の処理方法 |
| NL9202033A (nl) * | 1992-11-23 | 1994-06-16 | Tauw Milieu Bv | Werkwijze voor de behandeling van verbrandingsresiduen en de toepassing daarvan als adsorptiemiddel. |
| JP3969617B2 (ja) * | 1998-07-21 | 2007-09-05 | 不二倉業株式会社 | 有害物質固定化材 |
| JP4789411B2 (ja) * | 2003-11-10 | 2011-10-12 | 川崎重工業株式会社 | 廃棄物の安定化処理物及び処理装置 |
| JP4835359B2 (ja) * | 2005-09-30 | 2011-12-14 | 宇部興産株式会社 | 石炭灰造粒砂および石炭灰造粒砂の製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5178078A (en) * | 1974-12-28 | 1976-07-07 | Betsuku Kk | Jinkaishokyakubainoshorihoho |
| JPS5644085A (en) * | 1979-06-29 | 1981-04-23 | Nippon Jiryoku Senko Kk | Processing method of chromium-containing dust |
-
1986
- 1986-02-07 JP JP61026620A patent/JPS62183896A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5178078A (en) * | 1974-12-28 | 1976-07-07 | Betsuku Kk | Jinkaishokyakubainoshorihoho |
| JPS5644085A (en) * | 1979-06-29 | 1981-04-23 | Nippon Jiryoku Senko Kk | Processing method of chromium-containing dust |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62183896A (ja) | 1987-08-12 |
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