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Environmental Remediation
In article number 2100074, Yang Lu, Shu‐Hong Yu, and co‐workers report ferrimagnetic sponges for continuous recovery of viscous crude oil under the exposure of alternating magnetic field. The viscosity of crude oil around the magneto‐heated sponge decreases sharply, thus accelerating the absorption into the sponge and achieving continuous recovery.
The high viscosity and low fluidity of heavy crude oil hinder its sorption by conventional porous sorbents, so the efficient clean‐up of such heavy crude oil spills is challenging. Recently, Joule heating has been emerging as a new tool to reduce the viscosity of heavy crude oil dramatically. However, this direct‐contact heating approach presents a potential risk due to the high voltage applied. To...
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