JPS5690983A - Restraining method for corrosion of steel material against solution containing sour gas - Google Patents
Restraining method for corrosion of steel material against solution containing sour gasInfo
- Publication number
- JPS5690983A JPS5690983A JP16693479A JP16693479A JPS5690983A JP S5690983 A JPS5690983 A JP S5690983A JP 16693479 A JP16693479 A JP 16693479A JP 16693479 A JP16693479 A JP 16693479A JP S5690983 A JPS5690983 A JP S5690983A
- Authority
- JP
- Japan
- Prior art keywords
- steel material
- corrosion
- derivative
- soln
- sour
- 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
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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
- C23F11/149—Heterocyclic compounds containing nitrogen as hetero atom
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
PURPOSE:To restrain the corrosion and hydrogen-induced crack of steel material which is in contact with sour soln., by addition of an imidazoline derivative of specific structure to a soln. contg. sour gas. CONSTITUTION:A quarternary imidazoline derivative having structure shown by a formula, at least one member among the substituted groups R1-R7 of which is aliphatic, acyclic, or aromatic hydrocarbon group having >=5 carbon atoms, is added to a sour soln. in a quantity >=20ppm. Said derivative is synthesized by the reaction of halogenated hydrocarbon and an imidazoling derivative made by the dehydration of an aliphatic acid and polyethylenepolyamine. Nitrogen atoms contained in the molecules of said derivative are adsorbed to the surface of steel material and its long-chain substituting group having hydrophobic property shuts off causative material of corrosion. Hence corrosion of steel material and intrusion of hydrogen into steel material by the sour soln. having strong corrosiveness is also sufficiently restrained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16693479A JPS5690983A (en) | 1979-12-24 | 1979-12-24 | Restraining method for corrosion of steel material against solution containing sour gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16693479A JPS5690983A (en) | 1979-12-24 | 1979-12-24 | Restraining method for corrosion of steel material against solution containing sour gas |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5690983A true JPS5690983A (en) | 1981-07-23 |
Family
ID=15840359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16693479A Pending JPS5690983A (en) | 1979-12-24 | 1979-12-24 | Restraining method for corrosion of steel material against solution containing sour gas |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5690983A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2466517A (en) * | 1948-01-10 | 1949-04-05 | Petrolite Corp | Processes for preventing corrosion and corrosion inhibitors |
US2468163A (en) * | 1948-01-10 | 1949-04-26 | Petrolite Corp | Processes for preventing corrosion and corrosion inhibitors |
-
1979
- 1979-12-24 JP JP16693479A patent/JPS5690983A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2466517A (en) * | 1948-01-10 | 1949-04-05 | Petrolite Corp | Processes for preventing corrosion and corrosion inhibitors |
US2468163A (en) * | 1948-01-10 | 1949-04-26 | Petrolite Corp | Processes for preventing corrosion and corrosion inhibitors |
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