E3S Web Conf.
Volume 329, 20214th International Conference on Green Energy and Sustainable Development (GESD 2021)
|Number of page(s)||4|
|Published online||09 December 2021|
Measurement of the coordination effect of polyphenols used in oil field by colorimetric method
1 Shaanxi Province Key Laboratory of Environmental Pollution Control and Reservoir Protection Technology of Oilfields, Xi’an Shiyou University, Xi’an, 710065, China
2 The Shale Oil Development Department of Longdong Area, Changqing Oilfield Company, Qingyang, 745100, China
3 Gas Production No.2, Changqing Oilfield Company, CNPC, Yunlin, 719000, China
4 Xi’an Key Laboratory of Tight oil (Shale oil) Development (Xi'an Shiyou University), Xi’an Shiyou University, Xi’an, 710065, China
Polyphenols are widely used in drilling fluid, cement slurry and water treatment in oil fields. The paper is based on the characteristics of the abundant phenolic hydroxyl groups in plant polyphenol compounds that can form stable complexes with iron ions, and the characteristics of phenolic compounds forming blueviolet to brown complexes with iron salts, and the color of iron salts itself for light yellow, a color method is designed to evaluate the quality of polyphenols, which provides a simple and reliable method for the quality analysis of industrial polyphenols.
Key words: Phenolic compounds / quantitative analysis / coordination / colorimetric
© The Authors, published by EDP Sciences, 2021
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