2019
DOI: 10.1007/s12182-019-0309-7
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Multifunctional anti-wax coatings for paraffin control in oil pipelines

Abstract: Paraffin deposition is a severe global problem during crude oil production and transportation. To inhibit the formation of paraffin deposits, the commonly used methods are mechanical cleaning, coating the pipe to provide a smooth surface and reduce paraffin adhesion, electric heating, ultrasonic and microbial treatments, the use of paraffin inhibitors, etc. Pipeline coatings not only have the advantages of simple preparation and broad applications, but also maintain a long-term efficient and stable effect. In … Show more

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Cited by 58 publications
(25 citation statements)
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“…Owing to their excellent lubrication properties, “slippery liquid-infused porous surfaces” (SLIPS) as a classic antiwaxing material, has attracted widespread attention. , The key factor governing the slippery performances of these SLIPS materials is the micro/nanoporous substrate, which can lock a lubricating liquid on its surface. Thus, the lubricant film is critical for reducing the contact area between the sample surface and paraffin wax, and therefore, relieves wax deposition. , In this study, macroporous gel allowed the lubricant to be firmly trapped on their surfaces, and the fully wetted surfaces may exhibit exceptional slippery properties. In this case, antiwaxing tests were conducted on the porous polymer (7B/Si20) and the nonstructured polymer (7B/acetone) (Figure ).…”
Section: Resultsmentioning
confidence: 90%
“…Owing to their excellent lubrication properties, “slippery liquid-infused porous surfaces” (SLIPS) as a classic antiwaxing material, has attracted widespread attention. , The key factor governing the slippery performances of these SLIPS materials is the micro/nanoporous substrate, which can lock a lubricating liquid on its surface. Thus, the lubricant film is critical for reducing the contact area between the sample surface and paraffin wax, and therefore, relieves wax deposition. , In this study, macroporous gel allowed the lubricant to be firmly trapped on their surfaces, and the fully wetted surfaces may exhibit exceptional slippery properties. In this case, antiwaxing tests were conducted on the porous polymer (7B/Si20) and the nonstructured polymer (7B/acetone) (Figure ).…”
Section: Resultsmentioning
confidence: 90%
“…Paraffin is a complex mixture of n-alkanes, iso-alkanes and cycloalkanes, etc., and it is easy to deposit on pipeline surface to arouse flow resistance increase or even pipe blockage. [31] Because of its excellent anti-paraffin effect, low surface energy coating is the most potential application coating in pipe inner wall to reduce paraffin adhesion. Here, the anti-waxing The shear force curve of ice block on glass, glass@silica sol@n-octadecyltriethoxysilane, glass@silica sol@1H,1H,2H,2H-perfluorodecyltriethoxysilane and glass@silica sol@loop-60000 surfaces.…”
Section: Anti-waxing Performance Of the Hybrid Coating Surfacementioning
confidence: 99%
“…The most common and effective method in this group is the use of chemical reagents-inhibitors of the formation of wax deposition. The principle of their action is based on various adsorption processes, depending on which they are divided into groups: wetting agents, dispersants, modifiers, depressants, and reagents of complex action [19][20][21]. A wide range of substances are used as additives: alkyl aromatic compounds, esters, nitrogen-containing compounds, polymer type substances [22][23][24].…”
Section: Commented [M1]mentioning
confidence: 99%