An Exploration of Corrosion in the HF Neutralization Section at Linear Alkyl Benzene Production Plant

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SHOKRI AREF

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING Year:2020 | Volume:39 | Issue:4 Page(s): 127-135

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Information Journal Paper

Title

An Exploration of Corrosion in the HF Neutralization Section at Linear Alkyl Benzene Production Plant

Author(s)

SHOKRI AREF | Issue Writer Certificate

Keywords

Hydrofluoric acid (HF)

HF neutralization section

Under deposit corrosion

Perforation

Trouble shooting

Abstract

Hydrofluoric acid (HF) is a catalyst for the production of linear alkyl benzene (LAB). In this research, the corrosion and perforation in the overhead line of HF neutralization section in Bistoun Petrochemical Company (BPC), in Iran was investigated. The accumulation of sediment and under deposit corrosion has resulted in the perforation of the mentioned line. The main causes of failure were explored by visual checking, chemical characterizations, scanning electron microscopy (SEM), and X-Ray fluorescence (XRF). The effects of process conditions, pipeline design, water content, and oxygen amounts were studied. Corrosion and perforation in the line is based on the composition of the liquid or gases passing through the line and operating conditions. The reverse return of water vapors contaminated with KOH from relief gas scrubber to the overhead line can accelerate the corrosion. Lastly, the suggestions have been proposed for troubleshooting, prevention from failure in the line, and HF leakage.

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APA: Copy

SHOKRI, AREF. (2020). An Exploration of Corrosion in the HF Neutralization Section at Linear Alkyl Benzene Production Plant. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 39(4), 127-135. SID. https://sid.ir/paper/761939/en

Vancouver: Copy

SHOKRI AREF. An Exploration of Corrosion in the HF Neutralization Section at Linear Alkyl Benzene Production Plant. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2020;39(4):127-135. Available from: https://sid.ir/paper/761939/en

IEEE: Copy

AREF SHOKRI, “An Exploration of Corrosion in the HF Neutralization Section at Linear Alkyl Benzene Production Plant,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 39, no. 4, pp. 127–135, 2020, [Online]. Available: https://sid.ir/paper/761939/en

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