Corrosion of Sewage Pumps in Acidic Environments: A Comprehensive Study in Libya

Ismail Hassan Ismail Elsharif, Mohammad Nozamuddin Inamdar and Aiman Al-Odaini

Journal of Business and Social Review in Emerging Economies, 2024, vol. 10, issue 4, 437-446

Abstract: Purpose: this article aims to investigate the corrosion behavior of nodular cast iron, a common material used in sewage pump systems. When exposed to acidic conditions. By understanding the underlying mechanisms.Methodology: the experimental strategy used to accomplish this aim was as follows: 1- Immersion test: samples of nodular cast iron were immersed in an acidic medium for 30, 60, 90 days. 2-Electrochemical tests: electrochemical techniques were used to assess the corrosion rate and mechanism. 3-Surface analysis: to describe the corrosion products and surface morphology, surface analysis methods such energy- dispersive X- ray spectroscopy (EDX) and scanning electron microscopy (SEM) were used.Findings: pitting corrosion: nodular cast iron exhibited a high susceptibility to pitting corrosion, leading to localized metal loss. Unstable oxide layer: the formation of an unstable oxide layer on the metal surface contributed to the initiation and propagation of corrosion. Uniform corrosion: in addition to pitting, uniform corrosion was also observed, resulting from the dissolution of the metal in the acidic medium.Implications: improved material selection: careful material selection to ensure the long-term durability of pump components. Effective corrosion mitigation strategies: such as protective coatings and cathodic protection. Enhanced wastewater management.

Keywords: Corrosion; Sewage pump; Acidic medium; Nodular cast iron (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:src:jbsree:v:10:y:2024:i:4:p:437-446

DOI: 10.26710/jbsee.v10i4.3132

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