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Updated: May 7, 2026

Pretreatment of Lignocellulosic Biomass with Low-cost Ionic Liquids

Pretreatment of Lignocellulosic Biomass with Low-cost Ionic Liquids

Published on: August 10, 2016

Lignin-derived carbon flake sorbent for efficient oil-water separation.

Heecheol Yun¹, Sangwoo Park¹, Junsik Bang¹

¹Department of Agriculture, Forestry and Bioresources, College of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.

International Journal of Biological Macromolecules

|March 30, 2025

Summary

This study created a novel, reusable sorbent from lignin-derived carbon flakes and melamine foam for effective oil spill cleanup in water. The green sorbent offers a sustainable solution for environmental management and a circular economy.

Keywords:

Lignin-derived carbon flakes Melamine foam Oil–water separation

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Ultrafast Lignin Extraction from Unusual Mediterranean Lignocellulosic Residues

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Published on: March 9, 2021

Area of Science:

Environmental Science
Materials Science
Green Chemistry

Background:

Industrialization increases oily contaminants, impacting ecosystems and economies.
Effective oil spill remediation is crucial for environmental protection.
Developing sustainable and efficient sorbents is a key challenge.

Purpose of the Study:

To develop a high-value, green sorbent for oil spill remediation.
To utilize lignin, a renewable resource, in sorbent fabrication.
To evaluate the performance and reusability of the developed sorbent.

Main Methods:

Fabrication of lignin-derived carbon flakes.
Coating melamine foam with carbon flakes using lignin as a binder.
Hydrophobicity assessment via contact angle measurements.
Oil sorption capacity testing with various organic solvents.
Evaluation of reusability through sorption-desorption cycles.

Main Results:

The modified foam achieved a contact angle of 139°, indicating successful hydrophobization.
The sorbent demonstrated high oil sorption capacities ranging from 49-105 g/g.
Excellent reusability was confirmed through multiple sorption-desorption cycles.
Structural stability was maintained throughout the testing.

Conclusions:

Lignin is a viable renewable resource for creating effective, green sorbents.
The developed lignin-based sorbent shows significant potential for oil spill remediation.
This approach supports sustainable environmental management and circular economy principles.