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Updated: May 16, 2026

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Pretreatment of Lignocellulosic Biomass with Low-cost Ionic Liquids
Published on: August 10, 2016
Oil removal from water with yellow horn shell residues treated by ionic liquid
Ji Li1, Meng Luo, Chun-Jian Zhao
1Engineering Research Center of Forest Bio-Preparation, Ministry of Education, Northeast Forestry University, Harbin 150040, PR China.
Bioresource Technology
|December 11, 2012
Summary
Ionic liquid-treated yellow horn shell residues show enhanced oil removal capabilities from water. These reusable biosorbents offer a promising solution for effective oil spill remediation.
Area of Science:
- Materials Science
- Environmental Science
- Biotechnology
Background:
- Oil pollution poses a significant threat to aquatic ecosystems.
- Developing efficient and sustainable methods for oil removal from water is crucial.
- Cellulosic biosorbents offer a potential eco-friendly solution for oil remediation.
Purpose of the Study:
- To investigate the efficacy of ionic liquid (IL)-treated yellow horn shell residues as a biosorbent for oil removal.
- To evaluate the impact of IL-treatment on the structural properties and sorption capacity of the biosorbent.
- To assess the influence of environmental factors and reusability of the treated biosorbent.
Main Methods:
- Yellow horn shell residues were treated with ionic liquid.
- Scanning electron microscopy (SEM) was used to analyze the structural changes.
- Sorption capacities for five types of oils were evaluated in pure oil and oily water.
- The effects of temperature and pH on oil removal were studied.
- Kinetic models were applied to analyze the sorption process.
Main Results:
- IL-treatment significantly enhanced the sorption capacities of yellow horn shell residues by approximately 1.5-fold compared to untreated residues.
- The maximum sorption capacities ranged from 0.39-0.61 g/g for IL-treated residues.
- The biosorbent demonstrated effectiveness in removing various types of oils from both pure oil and oily water.
- Optimal conditions for oil removal were identified by studying temperature and pH effects.
- The IL-treated biosorbent exhibited good reusability over several cycles.
Conclusions:
- Ionic liquid-treated yellow horn shell residues are effective and reusable biosorbents for oil removal from water.
- The enhanced sorption capacity makes them a promising material for environmental remediation applications.
- This study highlights the potential of utilizing waste materials for sustainable oil spill cleanup.
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