CORROSION INHIBITION PROPERTIES OF OLEYL HYDROXYETHYL IMIDAZOLINE AGAINST H2S CORROSION OF X-120 STEEL OIL PIPELINE

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CHAGHAZARDI M.; Rahimizinab A.; Rezaierod A.

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Seminar Paper

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Seminar: CHEMICAL ENGINEERING CONGRESS AND EXHIBITION
Year:2014 | Issue:8

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Title

CORROSION INHIBITION PROPERTIES OF OLEYL HYDROXYETHYL IMIDAZOLINE AGAINST H2S CORROSION OF X-120 STEEL OIL PIPELINE

Author(s)

CHAGHAZARDI M. | Rahimizinab A. | Rezaierod A. | Issue Writer Certificate

Keywords

CORROSION INHIBITOR

H2S

OIL PIPELINE

ELECTROCHEMICAL IMPEDANCE

Abstract

OLEYL HYDROXYETHYL IMIDAZOLINE (OHI) HAS BEEN SYNTHESIZED AS CORROSION INHIBITOR BY REACTING METHYL OLEATE AND N- (2-HYDROXYETHYL) ETHYLENEDIAMINE. THE H2S CORROSION INHIBITION OF X-120 PIPELINE STEEL BY USING THE INHIBITOR HAS BEEN EVALUATED BY ELECTROCHEMICAL TECHNIQUES INCLUDE POTENTIODYNAMIC POLARIZATION METHOD AND ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY. TESTING SOLUTIONS INCLUDE H2S-CONTAINING 3.5% NACL WITH DIFFERENT CONCENTRATIONS OF INHIBITOR (0, 25, 50, 100, 200 AND 400 MMOL L-1) AT 50 OC. RESULTS SHOWED THAT BY ADDING 200 MMOL L-1 OF THE INHIBITOR BOTH UNIFORM AND LOCALIZED CORROSION DECREASES. THE LOWEST CORROSION RATE IS OBTAINED WITH 200 MMOL L-1 OF THE INHIBITOR, ALTHOUGH A SIGNIFICANT REDUCTION IN THE CORROSION RATE IS REACHED WITH THE ADDITION OF 100MMOL L-1 OF THE INHIBITOR, OBTAINING AN ICORR VALUE OF 140 NA CM-2. THE CHANGE IN THE RP VALUES WITH TIME FOR X-120 STEEL IN THE H2S-CONTAINING 3.5% NACL SOLUTION AS A FUNCTION OF THE INHIBITOR CONCENTRATION IS MEASURED. THE RESULTS SHOWED THAT ALL THE RP VALUES DECREASE WITH TIME, EXCEPT THAT FOR 200 MMOL L-1 OF OLEYL HYDROXYETHYL IMIDAZOLINE.

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APA: Copy

CHAGHAZARDI, M., Rahimizinab, A., & Rezaierod, A.. (2014). CORROSION INHIBITION PROPERTIES OF OLEYL HYDROXYETHYL IMIDAZOLINE AGAINST H₂S CORROSION OF X-120 STEEL OIL PIPELINE. INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. SID. https://sid.ir/paper/916599/en

Vancouver: Copy

CHAGHAZARDI M., Rahimizinab A., Rezaierod A.. CORROSION INHIBITION PROPERTIES OF OLEYL HYDROXYETHYL IMIDAZOLINE AGAINST H₂S CORROSION OF X-120 STEEL OIL PIPELINE. 2014. Available from: https://sid.ir/paper/916599/en

IEEE: Copy

M. CHAGHAZARDI, A. Rahimizinab, and A. Rezaierod, “CORROSION INHIBITION PROPERTIES OF OLEYL HYDROXYETHYL IMIDAZOLINE AGAINST H₂S CORROSION OF X-120 STEEL OIL PIPELINE,” presented at the INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. 2014, [Online]. Available: https://sid.ir/paper/916599/en

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