Cargando…
The mechanism of ultrasonic irradiation effect on viscosity variations of heavy crude oil
Viscosity reduction of heavy oil has economic benefits and applicational value in the field. Applying viscosity reduction technology of heavy oil with ultrasound, this paper examines the influence of ultrasonic irradiation time and the addition of tetralin and ethylene glycol on viscosity reduction...
Autores principales: | , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2021
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8637133/ https://www.ncbi.nlm.nih.gov/pubmed/34847448 http://dx.doi.org/10.1016/j.ultsonch.2021.105842 |
_version_ | 1784608681147498496 |
---|---|
author | Gao, Jinbiao Li, Chao Xu, Delong Wu, Pengfei Lin, Weijun Wang, Xiuming |
author_facet | Gao, Jinbiao Li, Chao Xu, Delong Wu, Pengfei Lin, Weijun Wang, Xiuming |
author_sort | Gao, Jinbiao |
collection | PubMed |
description | Viscosity reduction of heavy oil has economic benefits and applicational value in the field. Applying viscosity reduction technology of heavy oil with ultrasound, this paper examines the influence of ultrasonic irradiation time and the addition of tetralin and ethylene glycol on viscosity reduction of heavy oil. Fourier Transform Infrared Spectrometer (FTIR) and Gas Chromatograph (GC) were used to analyze the chemical compositions and structural changes of oil samples before and after ultrasonic irradiation, and the effects of ultrasound on viscosity changes are presented. The viscosity reduction rate (VRR) was best at an irradiation time of 6 mins under the current experimental conditions, with VRR reaching more than 80%. When the irradiation time reached 12 mins, the viscosity of oil samples increased conversely. Chemical analysis reveals that the light components in the oil samples increased after the ultrasonic irradiation, indicating that the cavitation, thermal, and mechanical effects of ultrasound could play a role in breaking long chains of carbon, thus reducing the viscosity. The increase in viscosity may have been caused by a reassociation between molecules and/or the coking of heavy oil. |
format | Online Article Text |
id | pubmed-8637133 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | Elsevier |
record_format | MEDLINE/PubMed |
spelling | pubmed-86371332021-12-08 The mechanism of ultrasonic irradiation effect on viscosity variations of heavy crude oil Gao, Jinbiao Li, Chao Xu, Delong Wu, Pengfei Lin, Weijun Wang, Xiuming Ultrason Sonochem Short Communication Viscosity reduction of heavy oil has economic benefits and applicational value in the field. Applying viscosity reduction technology of heavy oil with ultrasound, this paper examines the influence of ultrasonic irradiation time and the addition of tetralin and ethylene glycol on viscosity reduction of heavy oil. Fourier Transform Infrared Spectrometer (FTIR) and Gas Chromatograph (GC) were used to analyze the chemical compositions and structural changes of oil samples before and after ultrasonic irradiation, and the effects of ultrasound on viscosity changes are presented. The viscosity reduction rate (VRR) was best at an irradiation time of 6 mins under the current experimental conditions, with VRR reaching more than 80%. When the irradiation time reached 12 mins, the viscosity of oil samples increased conversely. Chemical analysis reveals that the light components in the oil samples increased after the ultrasonic irradiation, indicating that the cavitation, thermal, and mechanical effects of ultrasound could play a role in breaking long chains of carbon, thus reducing the viscosity. The increase in viscosity may have been caused by a reassociation between molecules and/or the coking of heavy oil. Elsevier 2021-11-26 /pmc/articles/PMC8637133/ /pubmed/34847448 http://dx.doi.org/10.1016/j.ultsonch.2021.105842 Text en © 2021 Published by Elsevier B.V. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
spellingShingle | Short Communication Gao, Jinbiao Li, Chao Xu, Delong Wu, Pengfei Lin, Weijun Wang, Xiuming The mechanism of ultrasonic irradiation effect on viscosity variations of heavy crude oil |
title | The mechanism of ultrasonic irradiation effect on viscosity variations of heavy crude oil |
title_full | The mechanism of ultrasonic irradiation effect on viscosity variations of heavy crude oil |
title_fullStr | The mechanism of ultrasonic irradiation effect on viscosity variations of heavy crude oil |
title_full_unstemmed | The mechanism of ultrasonic irradiation effect on viscosity variations of heavy crude oil |
title_short | The mechanism of ultrasonic irradiation effect on viscosity variations of heavy crude oil |
title_sort | mechanism of ultrasonic irradiation effect on viscosity variations of heavy crude oil |
topic | Short Communication |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8637133/ https://www.ncbi.nlm.nih.gov/pubmed/34847448 http://dx.doi.org/10.1016/j.ultsonch.2021.105842 |
work_keys_str_mv | AT gaojinbiao themechanismofultrasonicirradiationeffectonviscosityvariationsofheavycrudeoil AT lichao themechanismofultrasonicirradiationeffectonviscosityvariationsofheavycrudeoil AT xudelong themechanismofultrasonicirradiationeffectonviscosityvariationsofheavycrudeoil AT wupengfei themechanismofultrasonicirradiationeffectonviscosityvariationsofheavycrudeoil AT linweijun themechanismofultrasonicirradiationeffectonviscosityvariationsofheavycrudeoil AT wangxiuming themechanismofultrasonicirradiationeffectonviscosityvariationsofheavycrudeoil AT gaojinbiao mechanismofultrasonicirradiationeffectonviscosityvariationsofheavycrudeoil AT lichao mechanismofultrasonicirradiationeffectonviscosityvariationsofheavycrudeoil AT xudelong mechanismofultrasonicirradiationeffectonviscosityvariationsofheavycrudeoil AT wupengfei mechanismofultrasonicirradiationeffectonviscosityvariationsofheavycrudeoil AT linweijun mechanismofultrasonicirradiationeffectonviscosityvariationsofheavycrudeoil AT wangxiuming mechanismofultrasonicirradiationeffectonviscosityvariationsofheavycrudeoil |