Synthesis of biodegradable polyelectrolytes for the inhibition of both CaSO4 scales and the corrosion of carbon steel

IF 3 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

International Journal of Environmental Science and Technology Pub Date : 2024-09-24 DOI:10.1007/s13762-024-06049-x

A. Ramírez-Estrada, V. Y. Mena-Cervantes, I. Elizalde-Martínez, G. Pineda-Flores, F. A. Aguilar-Aguilar, E. Arreola-Valerio, R. Cabrera-Sierra, R. Hernández-Altamirano

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引用次数: 0

Abstract

This study presents the synthesis and characterization of two polyelectrolytes derived from itaconic acid and vinyl sulfonic acid sodium salt. These polyelectrolytes were characterized by Fourier transform infrared (FTIR), nuclear magnetic resonance (NMR) and gel permeation chromatography (GPC). The biodegradability of the synthesized polyelectrolytes was assessed according to the ISO-10707 method. It was found that the biodegradation was higher than 30% for both polyelectrolytes, indicating that these compounds are moderately biodegradable. The aim of this work is to study the effect of the synthesized polyelectrolytes on the formation of CaSO₄-scales and the corrosion of AISI─1810 carbon steel. Static precipitation experiments were carried out to investigate the effect of the polyelectrolytes on the precipitation of CaSO₄-scale. The results showed that both polyelectrolytes are effective scale inhibitors under static conditions, with high efficiencies (> 80%) at low concentrations. The polyelectrolyte influence on the corrosion of AISI carbon steel was examined by open circuit potential (OCP), linear polarization resistance (LRP) and potentiodynamic polarization studies. The results showed that the polyelectrolytes provided corrosion inhibition efficiencies ranging from 60 to 90%. Compatibility experiments were carried out to investigate the stability of the synthesized polyelectrolytes in the corrosive media and to observe the influence of these compounds on the inhibition of CaSO₄-scale. The polyelectrolytes were shown to be compatible with the corrosive solution. Furthermore, the results demonstrated that an increase in polyelectrolyte concentration led to enhanced scale inhibition.

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来源期刊

International Journal of Environmental Science and Technology 环境科学-环境科学

CiteScore

5.60

自引率

6.50%

发文量

806

审稿时长

10.8 months

期刊介绍： International Journal of Environmental Science and Technology (IJEST) is an international scholarly refereed research journal which aims to promote the theory and practice of environmental science and technology, innovation, engineering and management. A broad outline of the journal''s scope includes: peer reviewed original research articles, case and technical reports, reviews and analyses papers, short communications and notes to the editor, in interdisciplinary information on the practice and status of research in environmental science and technology, both natural and man made. The main aspects of research areas include, but are not exclusive to; environmental chemistry and biology, environments pollution control and abatement technology, transport and fate of pollutants in the environment, concentrations and dispersion of wastes in air, water, and soil, point and non-point sources pollution, heavy metals and organic compounds in the environment, atmospheric pollutants and trace gases, solid and hazardous waste management; soil biodegradation and bioremediation of contaminated sites; environmental impact assessment, industrial ecology, ecological and human risk assessment; improved energy management and auditing efficiency and environmental standards and criteria.