期刊
MARINE POLLUTION BULLETIN
卷 64, 期 2, 页码 347-352出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2011.11.002
关键词
Polystyrene; Nanoporous fibers; Electrospinning; Oil sorption
资金
- National Natural Science Foundation of China [51173022]
- 111 Project [111-2-04, B07024]
- Shanghai Committee of Science and Technology [10JC1400600]
- National Basic Research Program of China (973 Program) [2011CB606103]
- Shanghai Municipal Education Commission [11ZZ59]
- Shanghai Education Commission [10SG32]
The development of oil sorbents with high sorption capacity, low cost, scalable fabrication, and high selectivity is of great significance for water environmental protection, especially for oil spillage on seawater. In this work, we report nanoporous polystyrene (PS) fibers prepared via a one-step electrospinning process used as oil sorbents for oil spill cleanup. The oleophilic-hydrophobic PS oil sorbent with highly porous structures shows a motor oil sorption capacity of 113.87 g/g, approximately 3-4 times that of natural sorbents and nonwoven polypropylene fibrous mats. Additionally, the sorbents also exhibit a relatively high sorption capacity for edible oils, such as bean oil (111.80 g/g) and sunflower seed oil (96.89 g/g). The oil sorption mechanism of the PS sorbent and the sorption kinetics were investigated. Our nanoporous material has great potential for use in wastewater treatment, oil accident remediation and environmental protection. (C) 2011 Elsevier Ltd. All rights reserved.
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