JPH0459599B2 - - Google Patents
Info
- Publication number
- JPH0459599B2 JPH0459599B2 JP58037078A JP3707883A JPH0459599B2 JP H0459599 B2 JPH0459599 B2 JP H0459599B2 JP 58037078 A JP58037078 A JP 58037078A JP 3707883 A JP3707883 A JP 3707883A JP H0459599 B2 JPH0459599 B2 JP H0459599B2
- Authority
- JP
- Japan
- Prior art keywords
- iron oxide
- oxide film
- electrolytic
- ultrasonic vibration
- potential
- 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
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 63
- 238000000034 method Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000008139 complexing agent Substances 0.000 claims description 5
- 239000008151 electrolyte solution Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 235000013980 iron oxide Nutrition 0.000 description 24
- 230000010287 polarization Effects 0.000 description 19
- 238000005202 decontamination Methods 0.000 description 16
- 239000000243 solution Substances 0.000 description 14
- 230000003588 decontaminative effect Effects 0.000 description 11
- 238000004090 dissolution Methods 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 5
- 230000002285 radioactive effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- -1 60 C Chemical class 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003014 ion exchange membrane Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 229910002588 FeOOH Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000009390 chemical decontamination Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011978 dissolution method Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3707883A JPS59162496A (ja) | 1983-03-07 | 1983-03-07 | 酸化鉄皮膜の除去方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3707883A JPS59162496A (ja) | 1983-03-07 | 1983-03-07 | 酸化鉄皮膜の除去方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59162496A JPS59162496A (ja) | 1984-09-13 |
| JPH0459599B2 true JPH0459599B2 (fr) | 1992-09-22 |
Family
ID=12487511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3707883A Granted JPS59162496A (ja) | 1983-03-07 | 1983-03-07 | 酸化鉄皮膜の除去方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59162496A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02103496A (ja) * | 1988-10-12 | 1990-04-16 | Power Reactor & Nuclear Fuel Dev Corp | 超音波を利用した使用済み核燃料等の溶解方法 |
| JP4911920B2 (ja) * | 2005-05-18 | 2012-04-04 | 英夫 吉田 | 六価クロムの抽出方法 |
| US9334579B2 (en) * | 2013-10-29 | 2016-05-10 | Westinghouse Electric Company Llc | Targeted heat exchanger deposit removal by combined dissolution and mechanical removal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5515009A (en) * | 1978-07-19 | 1980-02-01 | Hitachi Ltd | Method of removing radioactive clad |
-
1983
- 1983-03-07 JP JP3707883A patent/JPS59162496A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5515009A (en) * | 1978-07-19 | 1980-02-01 | Hitachi Ltd | Method of removing radioactive clad |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59162496A (ja) | 1984-09-13 |
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