Experimental studies of operational properties of asphaltene-resin-wax deposits formed in oil trunk pipelines

Sunagatullin, Rustam Z.; Каримов, Р. М.; Dmitriev, Mikhail; Baykova, Maria I.

doi:10.28999/2514-541x-2019-3-1-22-28

PST

2019

DOI: 10.28999/2514-541x-2019-3-1-22-28

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Experimental studies of operational properties of asphaltene-resin-wax deposits formed in oil trunk pipelines

Rustam Z. Sunagatullin¹,

Р. М. Каримов²,

Mikhail Dmitriev

et al.

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2022

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“…Paraffin compounds play the role of a solvent, which leads to enlargement of asphaltene associations, and as a result, active sediment formation [6,19]. State of knowledge on the sediment formation process in fuel systems in comparison with lighter hydrocarbons is insufficient [20]. This is due to the fact that standard procedures and approaches to the analysis of light hydrocarbons are not applicable here.…”

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Manifestation of incompatibility of marine residual fuels: a method for determining compatibility, studying composition of fuels and sediment

Sultanbekov

Schipachev

2022

PMI

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The results of studying the problem of active sediment formation when mixing residual fuels, caused by manifestation of incompatibility, are presented. A laboratory method has been developed for determining the compatibility and stability of fuels allowing identification of a quantitative characteristic of sediment formation activity. Laboratory studies were performed, and incompatible fuel components were identified. Tests were made to determine the quality indicators of samples and group individual composition of fuels. Results on the content of total and inorganic carbon in the obtained sediments were determined using Shimadzu TOC-V SSM 5000A. Chemical composition was determined and calculated on LECO CHN-628 analyser. Group composition of hydrocarbon fuels contained in the sediment was studied by gas chromato-mass spectrometry on GCMS-QP2010 Ultra Shimadzu. To obtain additional information on the structural group composition of fuel sediment, IR spectrometry was performed on IR-Fourier spectrometer IRAffinity-1. X-ray diffraction analysis of sediment samples was made using X-ray diffractometer XRD-7000 Shimadzu; interplanar distances d002 and d100 as well as Lс and Lа crystallite sizes served as the evaluation criteria. Microstructural analysis of total sediment was performed by scanning electron microscopy. The results of the research confirmed that the content of normal alkanes in the fuel mixture mainly affects sediment formation. Recommendations were drawn on preserving the quality of fuels and reducing sediment formation during storage and transportation.

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“…Determination of group and individual compositions of hydrocarbons was performed by gas chromato-mass spectrometry on GCMS-QP2010 Ultra Shimadzu and by SARA-analysis on "Gradient-M" laboratory gas chromatograph with a thermal conductivity detector by liquid adsorption chromatography on glass columns 30 cm high and 1.2-1.4 mm in diameter [20,29].…”

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confidence: 99%

Manifestation of incompatibility of marine residual fuels: a method for determining compatibility, studying composition of fuels and sediment

Sultanbekov

Schipachev

2022

PMI

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Experimental studies of operational properties of asphaltene-resin-wax deposits formed in oil trunk pipelines

Cited by 1 publication

References 1 publication

Manifestation of incompatibility of marine residual fuels: a method for determining compatibility, studying composition of fuels and sediment

Manifestation of incompatibility of marine residual fuels: a method for determining compatibility, studying composition of fuels and sediment

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