Development of new compositions for reducing the corrosive aggressiveness of oil-containing water
Journal Title: Технологический аудит и резервы производства - Year 2018, Vol 6, Issue 3
Abstract
<p><em>The object of research is environmentally friendly systems in the oil and petrochemical industry. All stages of the oil use – mining-processing-use – are accompanied by environmental pollution. Significant pollution occurs during the extraction, transportation and spill of oil, wastewater discharge, burning and storage of oil waste. Due to the presence of aggressive components in the composition of oil-containing saline water, the corrosion rate of metal structures increases, which leads to the rapid destruction of equipment and pipelines. Therefore, one of the priorities is to protect metal structures from corrosion in oil and oil-water emulsions.</em></p><p><em>The paper assesses the aggressiveness of aqueous solutions of different petro-mineral composition at a temperature of 80 °C. It is shown that mineralized aqueous solutions are more corrosively aggressive than their composition with oil. Compositions are developed to reduce the corrosivity of oil-contained water and their effectiveness is determined. Research results indicate that the alkyl imidazoline-based inhibitor provides high efficiency of protecting steel against corrosion at temperatures from 30 °C to 80 °C. Protection degree at doses of 10–50 mg/dm<sup>3 </sup>reaches 82–86 %. Compounds based on alkyl imidazoline are effective in aqueous-organic emulsions based on saline water and petroleum ether only at low temperatures. At elevated temperatures, due to the high volatility of petroleum ether, the formation of a protective adsorption film on the surface of the steel does not occur.</em></p><p><em>In the case of the use of corrosion inhibitors of steel on the basis of alkyl imidazolines, it is possible to achieve high effectiveness of protection against destruction of oil pipelines, where, in addition to oil, there are always impurities of saline water, and water pipelines, where oil contains in highly mineralized waters. The advantage of alkyl imidazolines is that due to the hydrophilic and hydrophobic components of their molecules, they dissolve well in both petroleum products and in the aquatic environment.</em></p>
Authors and Affiliations
Mariia Shuryberko, Mykola Gomelya, Nikola Gluchenko, Kristina Chuprova, Tetiana Overchenko
Keywords
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- EP ID EP527557
- DOI 10.15587/2312-8372.2018.149987
- Views 125
- Downloads 0
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