JPH0327640B2 - - Google Patents
Info
- Publication number
- JPH0327640B2 JPH0327640B2 JP60183082A JP18308285A JPH0327640B2 JP H0327640 B2 JPH0327640 B2 JP H0327640B2 JP 60183082 A JP60183082 A JP 60183082A JP 18308285 A JP18308285 A JP 18308285A JP H0327640 B2 JPH0327640 B2 JP H0327640B2
- Authority
- JP
- Japan
- Prior art keywords
- concentration
- salt solution
- electrolysis
- aqueous salt
- stainless steel
- 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
- 238000005260 corrosion Methods 0.000 claims description 30
- 238000005868 electrolysis reaction Methods 0.000 claims description 30
- 239000010935 stainless steel Substances 0.000 claims description 29
- 229910001220 stainless steel Inorganic materials 0.000 claims description 29
- 230000007797 corrosion Effects 0.000 claims description 27
- 239000012266 salt solution Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 19
- 150000003839 salts Chemical class 0.000 claims description 19
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- 150000002500 ions Chemical class 0.000 claims description 8
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 claims description 8
- 229910000348 titanium sulfate Inorganic materials 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 6
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 6
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- GLMQHZPGHAPYIO-UHFFFAOYSA-L azanium;2-hydroxypropane-1,2,3-tricarboxylate;iron(2+) Chemical compound [NH4+].[Fe+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O GLMQHZPGHAPYIO-UHFFFAOYSA-L 0.000 claims description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 5
- 239000008103 glucose Substances 0.000 claims description 5
- 235000000011 iron ammonium citrate Nutrition 0.000 claims description 5
- 239000004313 iron ammonium citrate Substances 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 4
- 235000011124 aluminium ammonium sulphate Nutrition 0.000 claims description 4
- 150000003863 ammonium salts Chemical class 0.000 claims description 4
- GCPXMJHSNVMWNM-UHFFFAOYSA-N arsenous acid Chemical compound O[As](O)O GCPXMJHSNVMWNM-UHFFFAOYSA-N 0.000 claims description 4
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 4
- 235000011187 glycerol Nutrition 0.000 claims description 4
- LCQXXBOSCBRNNT-UHFFFAOYSA-K ammonium aluminium sulfate Chemical compound [NH4+].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O LCQXXBOSCBRNNT-UHFFFAOYSA-K 0.000 claims 3
- 235000010338 boric acid Nutrition 0.000 claims 3
- 238000012360 testing method Methods 0.000 description 12
- 239000013535 sea water Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 239000011651 chromium Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000007654 immersion Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910001430 chromium ion Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 150000004677 hydrates Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- WZUKKIPWIPZMAS-UHFFFAOYSA-K Ammonium alum Chemical compound [NH4+].O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O WZUKKIPWIPZMAS-UHFFFAOYSA-K 0.000 description 1
- DJHGAFSJWGLOIV-UHFFFAOYSA-N Arsenic acid Chemical compound O[As](O)(O)=O DJHGAFSJWGLOIV-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- JOSWYUNQBRPBDN-UHFFFAOYSA-P ammonium dichromate Chemical compound [NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O JOSWYUNQBRPBDN-UHFFFAOYSA-P 0.000 description 1
- 229940000488 arsenic acid Drugs 0.000 description 1
- 238000004210 cathodic protection Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Prevention Of Electric Corrosion (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18308285A JPS6244595A (ja) | 1985-08-22 | 1985-08-22 | ステンレス鋼の防食処理法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18308285A JPS6244595A (ja) | 1985-08-22 | 1985-08-22 | ステンレス鋼の防食処理法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6244595A JPS6244595A (ja) | 1987-02-26 |
| JPH0327640B2 true JPH0327640B2 (zh) | 1991-04-16 |
Family
ID=16129444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18308285A Granted JPS6244595A (ja) | 1985-08-22 | 1985-08-22 | ステンレス鋼の防食処理法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6244595A (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0247300A (ja) * | 1988-08-10 | 1990-02-16 | Kawasaki Steel Corp | ステンレス鋼の脱スケール方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5141572A (en) * | 1974-10-05 | 1976-04-07 | Tsubakimoto Chain Co | Fuotokapura omochiita denryukenshutsusochi |
| JPS578195A (en) * | 1980-06-17 | 1982-01-16 | Ricoh Co Ltd | Method for confirming desensitizing degree |
-
1985
- 1985-08-22 JP JP18308285A patent/JPS6244595A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5141572A (en) * | 1974-10-05 | 1976-04-07 | Tsubakimoto Chain Co | Fuotokapura omochiita denryukenshutsusochi |
| JPS578195A (en) * | 1980-06-17 | 1982-01-16 | Ricoh Co Ltd | Method for confirming desensitizing degree |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6244595A (ja) | 1987-02-26 |
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