Thursday, November 30, 2017 4:47:59 PM
http://cst.temple.edu/about/news/enhancing-crude-oil-pipeline-flow
An electrical device designed by professor of physics Rongjia Tao, which significantly enhances the flow of crude oil through pipelines, has been successfully tested on existing U.S. portions of the Keystone Pipeline by the TransCanada Corp.
Tao’s applied oil technology (AOT) device greatly reduces the viscosity and turbulence of crude oil. Patented by Temple University, the device was created with the financial support of Save The World Air, a Santa Barbara, California-based developer and vendor of commercial flow assurance solutions.
Utilizing electrorheology principles, Tao’s devices have been installed just downstream from pipeline pumps. The electrical field polarizes suspended nanoparticles found in crude oil, causing them to aggregate in short chains along the flow direction—which both decreases viscosity in that direction and effectively suppressing turbulence. This green technology may eliminate the need to heat the crude oil, a current costly industry standard, while significantly reducing required pumping pressures.
Tests have verified viscosity decreases of 40 percent. “It also reduces the power needed to pump crude oil by 72 percent while the flow rate is unchanged,” added Tao. “And by reducing pumping pressures, it’s much safer for both land-based pipelines and pipelines that connect with off-shore drilling sites.”
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