JPS6140310B2 - - Google Patents
Info
- Publication number
- JPS6140310B2 JPS6140310B2 JP274182A JP274182A JPS6140310B2 JP S6140310 B2 JPS6140310 B2 JP S6140310B2 JP 274182 A JP274182 A JP 274182A JP 274182 A JP274182 A JP 274182A JP S6140310 B2 JPS6140310 B2 JP S6140310B2
- Authority
- JP
- Japan
- Prior art keywords
- metal
- piping
- equipment
- oxide scale
- corrosion
- 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
Links
- 239000000126 substance Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 230000007797 corrosion Effects 0.000 description 13
- 238000005260 corrosion Methods 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 239000010953 base metal Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 238000005202 decontamination Methods 0.000 description 3
- 230000003588 decontaminative effect Effects 0.000 description 3
- YXVFQADLFFNVDS-UHFFFAOYSA-N diammonium citrate Chemical compound [NH4+].[NH4+].[O-]C(=O)CC(O)(C(=O)O)CC([O-])=O YXVFQADLFFNVDS-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- KYQODXQIAJFKPH-UHFFFAOYSA-N diazanium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [NH4+].[NH4+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O KYQODXQIAJFKPH-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- -1 triiron tetroxide Chemical class 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP274182A JPS58120786A (ja) | 1982-01-13 | 1982-01-13 | 酸化スケ−ルの除去方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP274182A JPS58120786A (ja) | 1982-01-13 | 1982-01-13 | 酸化スケ−ルの除去方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58120786A JPS58120786A (ja) | 1983-07-18 |
| JPS6140310B2 true JPS6140310B2 (cg-RX-API-DMAC7.html) | 1986-09-08 |
Family
ID=11537767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP274182A Granted JPS58120786A (ja) | 1982-01-13 | 1982-01-13 | 酸化スケ−ルの除去方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58120786A (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013064180A (ja) * | 2011-09-16 | 2013-04-11 | Shinryo Corp | 超硬材における硬質被膜の除去方法及び超硬材の製造方法 |
-
1982
- 1982-01-13 JP JP274182A patent/JPS58120786A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013064180A (ja) * | 2011-09-16 | 2013-04-11 | Shinryo Corp | 超硬材における硬質被膜の除去方法及び超硬材の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58120786A (ja) | 1983-07-18 |
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