SU424594A1 - - Google Patents
Info
- Publication number
- SU424594A1 SU424594A1 SU1791246A SU1791246A SU424594A1 SU 424594 A1 SU424594 A1 SU 424594A1 SU 1791246 A SU1791246 A SU 1791246A SU 1791246 A SU1791246 A SU 1791246A SU 424594 A1 SU424594 A1 SU 424594A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- chromium
- solution
- current density
- current
- iron
- Prior art date
Links
- 238000000034 method Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 5
- 238000000746 purification Methods 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- -1 ferrous iron ions Chemical class 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000866 electrolytic etching Methods 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000021962 pH elevation Effects 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1791246A SU424594A1 (enExample) | 1972-05-30 | 1972-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1791246A SU424594A1 (enExample) | 1972-05-30 | 1972-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU424594A1 true SU424594A1 (enExample) | 1974-04-25 |
Family
ID=20516197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1791246A SU424594A1 (enExample) | 1972-05-30 | 1972-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU424594A1 (enExample) |
-
1972
- 1972-05-30 SU SU1791246A patent/SU424594A1/ru active
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