Abstract-Probing disaggregation of crude oil in magnetic field with terahertz time-domain spectroscopy

Chen Jiang , Kun Zhao , Li J. Zhao , Wu J. Jin ,

Yuping Yang , and Shao H. Chen

Energy Fuels, Just Accepted Manuscript

DOI: 10.1021/ef401984u

Publication Date (Web): January 3, 2014

Copyright © 2014 American Chemical Society

http://pubs.acs.org/doi/abs/10.1021/ef401984u

The magnetic technology can significantly change the characteristics of crude oil, and the physical mechanism has received much attention for several years. To date, there is no accurate conclusion yet. Terahertz time domain spectroscopy is employed in this paper to characterize the optical parameters of selected wax-bearing crude oil under the action of a magnetic field. The corresponding absorption coefficient and extinction coefficient of samples are obtained by fast Fourier transform frequency-domain spectrum, and the aggregation characteristics of particles are analyzed in crude oil under magnetic field. The decrease of extinction coefficient may be suggested as a qualitative proof of a magnetic-field-induced disaggregation of the suspended colloidal particles. Terahertz time domain spectroscopy may be a powerful tool to characterize the particle disaggregation state in crude oil.