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A research team led by Prof.
Zhu Jin from Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, in cooperation with Prof.
Chen Tao's research group from Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences and Prof.
Yan Ning's research group from the University of Toronto, have synthesized a new method for oil spill repair.
High-efficiency carbon nanotube (CNT) modified lignin-based polyurethane adsorption material
.
In recent years, the leakage of crude oil or organic chemicals has caused economic losses, waste of petrochemical resources and serious environmental pollution, posing a great threat to the marine ecological environment and human health
.
Researchers at NIMTE used the photothermal effect induced by sunlight as an energy source to heat heavy oil components, thereby drastically reducing their inherently high viscosity and enabling fast and efficient crude oil cleanup
.
Through a simple polyurethane foaming process, they prepared lignin-based polyurethane foam
.
In addition, the lignin-based foam adsorbent was degradable in an alkaline environment, and the degradation efficiency reached 88.
03% in 2 mol/L NaOH aqueous solution at 80 °C for 10 h, and the degradation rate was 6.
25 mg/h.
At the same time, under the same conditions Recyclable carbon nanotubes
.
This work not only provides an efficient and environmentally friendly method for heavy crude oil spill remediation and recovery, but also provides new ideas for the high-value utilization of dark bio-based polymers
.
