BE344155A - - Google Patents
Info
- Publication number
- BE344155A BE344155A BE344155DA BE344155A BE 344155 A BE344155 A BE 344155A BE 344155D A BE344155D A BE 344155DA BE 344155 A BE344155 A BE 344155A
- Authority
- BE
- Belgium
- Prior art keywords
- sulfuric acid
- iron
- steel
- acid
- thiourea
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 63
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 50
- UMGDCJDMYOKAJW-UHFFFAOYSA-N aminothiocarboxamide Natural products NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 229910052742 iron Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000004090 dissolution Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 150000005840 aryl radicals Chemical class 0.000 claims description 2
- 238000006467 substitution reaction Methods 0.000 claims description 2
- -1 thiourea compound Chemical class 0.000 claims 3
- KWPNNZKRAQDVPZ-UHFFFAOYSA-N 1,3-bis(2-methylphenyl)thiourea Chemical compound CC1=CC=CC=C1NC(=S)NC1=CC=CC=C1C KWPNNZKRAQDVPZ-UHFFFAOYSA-N 0.000 claims 1
- 230000009471 action Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000005554 pickling Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 150000003585 thioureas Chemical class 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- YOPSAQBCRBNECZ-UHFFFAOYSA-N 1,3-bis(2,3-dimethylphenyl)thiourea Chemical compound CC1=CC=CC(NC(=S)NC=2C(=C(C)C=CC=2)C)=C1C YOPSAQBCRBNECZ-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 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
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
- C23G1/065—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors sulfur-containing compounds
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 |
|---|---|
| BE344155A true BE344155A (enExample) |
Family
ID=20363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE344155D BE344155A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE344155A (enExample) |
-
0
- BE BE344155D patent/BE344155A/fr unknown
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