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 gas

Info

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
Application number
JP16693479A
Other languages
Japanese (ja)
Inventor
Kazuyuki Suzuki
Takashi Kono
Tatsuro Koo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP16693479A priority Critical patent/JPS5690983A/en
Publication of JPS5690983A publication Critical patent/JPS5690983A/en
Pending legal-status Critical Current

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.
JP16693479A 1979-12-24 1979-12-24 Restraining method for corrosion of steel material against solution containing sour gas Pending JPS5690983A (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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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