Synthesis and evaluation of an environmentally friendly phosphorus-free and nitrogen-free polymer as a scale and corrosion inhibitor

IF 5.3 2区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Arabian Journal of Chemistry Pub Date : 2024-10-24 DOI:10.1016/j.arabjc.2024.106033
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Abstract

Polyepoxysuccinic acid (PESA) was modified by glycidyl (Gly) to obtain a phosphate-free and nitrogen-free polymer (Gly-PESA), and its scale and corrosion inhibition properties were studied.The effects of Gly-PESA concentration, calcium ion concentration and temperature to scale inhibition performance were studied by static scale inhibition method. The corrosion inhibition performance of Gly-PESA was studied by static weight-loss method. The morphology and structure of calcium scale and steel surface were characterized by spectroscopic and microscopic methods. The scale inhibition efficiency of Gly-PESA for CaCO3 and CaSO4 was 98.06% and 92.6%, respectively. Under the same experimental conditions, the scale inhibition effect of Gly-PESA was obviously better than that of PESA. Gly-PESA could effectively inhibit the growth of CaCO3 and CaSO4 crystals and cause their crystal lattice distortion or crystal dispersion. The corrosion inhibition efficiency of Gly-PESA for carbon steel was 78.17%. The adsorption of Gly-PESA on the surface of the steel test piece followed Langmuir adsorption isotherm, and formed a protective film, which increased the corrosion resistance of the steel test piece, thus effectively protecting the steel test piece. Therefore, Gly-PESA was a green scale and corrosion inhibitor, which solved the problem of environmental pollution.
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一种作为阻垢缓蚀剂的环境友好型无磷无氮聚合物的合成与评估
采用静态阻垢法研究了 Gly-PESA 浓度、钙离子浓度和温度对阻垢性能的影响。采用静态失重法研究了 Gly-PESA 的缓蚀性能。采用光谱法和显微镜法对钙垢和钢表面的形态和结构进行了表征。Gly-PESA 对 CaCO3 和 CaSO4 的阻垢效率分别为 98.06% 和 92.6%。在相同的实验条件下,Gly-PESA 的阻垢效果明显优于 PESA。Gly-PESA 能有效抑制 CaCO3 和 CaSO4 晶体的生长,使其晶格畸变或晶体分散。Gly-PESA 对碳钢的缓蚀效率为 78.17%。Gly-PESA 在钢试件表面的吸附遵循 Langmuir 吸附等温线,并形成一层保护膜,提高了钢试件的耐腐蚀性,从而有效地保护了钢试件。因此,Gly-PESA 是一种绿色阻垢缓蚀剂,解决了环境污染问题。
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来源期刊
Arabian Journal of Chemistry
Arabian Journal of Chemistry CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
10.80
自引率
3.30%
发文量
763
审稿时长
63 days
期刊介绍: The Arabian Journal of Chemistry is an English language, peer-reviewed scholarly publication in the area of chemistry. The Arabian Journal of Chemistry publishes original papers, reviews and short reports on, but not limited to: inorganic, physical, organic, analytical and biochemistry. The Arabian Journal of Chemistry is issued by the Arab Union of Chemists and is published by King Saud University together with the Saudi Chemical Society in collaboration with Elsevier and is edited by an international group of eminent researchers.
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