BE507619A - - Google Patents
Info
- Publication number
- BE507619A BE507619A BE507619DA BE507619A BE 507619 A BE507619 A BE 507619A BE 507619D A BE507619D A BE 507619DA BE 507619 A BE507619 A BE 507619A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- acid
- bath
- nitric
- pickling
- Prior art date
Links
- KRHYYFGTRYWZRS-UHFFFAOYSA-N HF Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 43
- 238000005554 pickling Methods 0.000 claims description 38
- 229910052751 metal Inorganic materials 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 35
- 239000011248 coating agent Substances 0.000 claims description 31
- 238000000576 coating method Methods 0.000 claims description 31
- GRYLNZFGIOXLOG-UHFFFAOYSA-N nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 28
- 229910001220 stainless steel Inorganic materials 0.000 claims description 26
- 239000010935 stainless steel Substances 0.000 claims description 25
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 22
- 150000002500 ions Chemical class 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-L oxalate Chemical compound [O-]C(=O)C([O-])=O MUBZPKHOEPUJKR-UHFFFAOYSA-L 0.000 claims 1
- 229920001098 polystyrene-block-poly(ethylene/propylene) Polymers 0.000 description 99
- MUBZPKHOEPUJKR-UHFFFAOYSA-N oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 32
- 230000001464 adherent Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 150000007513 acids Chemical class 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000001264 neutralization Effects 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- KJFMBFZCATUALV-UHFFFAOYSA-N Phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 230000005591 charge neutralization Effects 0.000 description 2
- 230000002349 favourable Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxyl anion Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001627 detrimental Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 nitric-hydrochloric Chemical class 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 150000003385 sodium Chemical class 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE507619A true BE507619A (de) |
Family
ID=147544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE507619D BE507619A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE507619A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0541448A1 (de) * | 1991-11-07 | 1993-05-12 | Ugine S.A. | Verfahren zum kontinuierlichen Beizen von Stahl-Material in einer Behandlungsstrasse |
-
0
- BE BE507619D patent/BE507619A/fr unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0541448A1 (de) * | 1991-11-07 | 1993-05-12 | Ugine S.A. | Verfahren zum kontinuierlichen Beizen von Stahl-Material in einer Behandlungsstrasse |
| FR2683551A1 (fr) * | 1991-11-07 | 1993-05-14 | Ugine Sa | Procede de decapage de materiaux en acier en continu sur une ligne de traitement. |
| US5332446A (en) * | 1991-11-07 | 1994-07-26 | Ugine S.A. | Method for continuous pickling of steel materials on a treatment line |
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