DE1771553A1 - Verfahren zum Beizen eisenhaltiger Metalle - Google Patents
Verfahren zum Beizen eisenhaltiger MetalleInfo
- Publication number
- DE1771553A1 DE1771553A1 DE19681771553 DE1771553A DE1771553A1 DE 1771553 A1 DE1771553 A1 DE 1771553A1 DE 19681771553 DE19681771553 DE 19681771553 DE 1771553 A DE1771553 A DE 1771553A DE 1771553 A1 DE1771553 A1 DE 1771553A1
- Authority
- DE
- Germany
- Prior art keywords
- solution
- pickling
- acid
- nitric acid
- urea
- 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.)
- Pending
Links
- 238000005554 pickling Methods 0.000 title claims description 21
- 239000002184 metal Substances 0.000 title claims description 17
- 229910052751 metal Inorganic materials 0.000 title claims description 17
- 238000000034 method Methods 0.000 title claims description 11
- -1 ferrous metals Chemical class 0.000 title description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 16
- 229910017604 nitric acid Inorganic materials 0.000 claims description 16
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 13
- 239000004202 carbamide Substances 0.000 claims description 13
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- 239000002253 acid Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 6
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical group OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- AYTGUZPQPXGYFS-UHFFFAOYSA-N urea nitrate Chemical compound NC(N)=O.O[N+]([O-])=O AYTGUZPQPXGYFS-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
- 230000004580 weight loss 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
- C23G1/085—Iron or steel solutions containing HNO3
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26585/67A GB1126305A (en) | 1967-06-08 | 1967-06-08 | Improvements in or relating to methods of pickling ferrous metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1771553A1 true DE1771553A1 (de) | 1972-02-10 |
Family
ID=10245939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681771553 Pending DE1771553A1 (de) | 1967-06-08 | 1968-06-07 | Verfahren zum Beizen eisenhaltiger Metalle |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3565688A (enExample) |
| BE (1) | BE715984A (enExample) |
| DE (1) | DE1771553A1 (enExample) |
| FR (1) | FR1567825A (enExample) |
| GB (1) | GB1126305A (enExample) |
| NL (1) | NL6808104A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2915061A1 (de) * | 1979-04-12 | 1980-10-16 | Sumitomo Metal Ind | Verfahren zum entzundern von edelstahlprodukten |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4477009A (en) * | 1982-03-08 | 1984-10-16 | Walker Richard M | Tungsten carbide reactive process |
| FR2562097A1 (fr) * | 1984-03-28 | 1985-10-04 | Andritz Ag Maschf | Procede pour le decapage d'aciers allies, de cuivre, d'alliages de metaux lourds non-ferreux, de titane, de zirconium, de tantale, etc. au moyen de bains d'acide nitrique |
| FR2582675B1 (fr) * | 1985-06-03 | 1992-10-02 | Solvay | Bains et procedes pour le polissage chimique de surfaces en acier inoxydable |
| CN102888607B (zh) * | 2012-09-24 | 2014-08-06 | 中国人民解放军第五七一九工厂 | 快速去除镍镉扩散镀层的清除剂组合物及其退镀方法 |
-
1967
- 1967-06-08 GB GB26585/67A patent/GB1126305A/en not_active Expired
-
1968
- 1968-05-27 US US732059A patent/US3565688A/en not_active Expired - Lifetime
- 1968-05-31 BE BE715984D patent/BE715984A/xx unknown
- 1968-06-07 NL NL6808104A patent/NL6808104A/xx unknown
- 1968-06-07 FR FR1567825D patent/FR1567825A/fr not_active Expired
- 1968-06-07 DE DE19681771553 patent/DE1771553A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2915061A1 (de) * | 1979-04-12 | 1980-10-16 | Sumitomo Metal Ind | Verfahren zum entzundern von edelstahlprodukten |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6808104A (enExample) | 1968-12-09 |
| FR1567825A (enExample) | 1969-05-16 |
| US3565688A (en) | 1971-02-23 |
| GB1126305A (en) | 1968-09-05 |
| BE715984A (enExample) | 1968-10-16 |
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