Reusable Graphitic Carbon Nitride Nanosheet-Based Aerogels as Sorbents for Oils and Organic Solvents

被引：12
作者：
Song, Pin [1 ]
Wang, Meiling [3 ]
Di, Jun [1 ]
Xiong, Jun [4 ]
Zhao, Sirui [2 ]
Li, Zheng [1 ]
机构：
[1] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore
[2] Anhui Agr Univ, Coll Resources & Environm, Hefei 230036, Anhui, Peoples R China
[3] Taiyuan Univ Technol, Inst New Carbon Mat, Taiyuan 030024, Shanxi, Peoples R China
[4] Jiangsu Univ, Inst Energy Res, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
ACS APPLIED NANO MATERIALS | 2020年 / 3卷 / 08期
基金：
中国国家自然科学基金;
关键词：
g-C3N4/PVA aerogel; high porosity; adsorption capacity; recovery capability; oil/water separation; GRAPHENE OXIDE; FACILE SYNTHESIS; ULTRA-LIGHT; WASTE PAPER; WATER; EFFICIENT; FOAM; NANOTUBE; SURFACE; SUPERHYDROPHOBICITY;
D O I：
10.1021/acsanm.0c01592
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Increasing oily wastewater and frequent oil leakage accidents have become a serious global environmental problem. To improve the adsorption capacity and simplify the recovery process of crude oil, it is a great significance to develop various advanced oil adsorbents and oil-collecting devices. In this work, a lightweight and compressible three-dimensional (3D) g-C3N4/poly(vinyl alcohol) (PVA) nanosheet-based aerogel was successfully fabricated. The resulting 3D g-C3N4/PVA nanosheet-based aerogel has the advantages of high porosity and good hydrophobicity, making it a suitable material for use as an adsorbent. The 3D g-C3N4 /PVA nanosheet-based aerogel can absorb various oils and organic solvents as high as 228-695 times its weight. Moreover, aerogel regeneration and recovery of oil can be achieved by cyclic distillation, squeezing, or combustion. After 40 cycles, the structure of 3D g-C3N4/PVA nanosheet-based aerogels are well kept and the adsorption capacity still retained 95, 93, and 95% by distillation, squeezing, and combustion, respectively. 3D g-C3N4/PVA nanosheet-based aerogel as an adsorbent has great potential in the application of oil/water separation for the removal of pollutants.
引用
收藏
页码：8176 / 8181
页数：6
相关论文
共 55 条
[1]   Experimental investigation of various vegetable fibers as sorbent materials for oil spills [J].
Annunciado, TR ;
Sydenstricker, THD ;
Amico, SC .
MARINE POLLUTION BULLETIN, 2005, 50 (11) :1340-1346
[2]   Carbon Microbelt Aerogel Prepared by Waste Paper: An Efficient and Recyclable Sorbent for Oils and Organic Solvents [J].
Bi, Hengchang ;
Huang, Xiao ;
Wu, Xing ;
Cao, Xiehong ;
Tan, Chaoliang ;
Yin, Zongyou ;
Lu, Xuehong ;
Sun, Litao ;
Zhang, Hua .
SMALL, 2014, 10 (17) :3544-3550
[3]   Improved mechanical oil spill recovery using an optimized geometry for the skimmer surface [J].
Broje, Victoria ;
Keller, Arturo A. .
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2006, 40 (24) :7914-7918
[4]   Facile construction of porous intramolecular g-C3N4-based donor-acceptor conjugated copolymers as highly efficient photocatalysts for superior H2 evolution [J].
Che, Huinan ;
Liu, Chunbo ;
Che, Guangbo ;
Liao, Guangfu ;
Dong, Hongjun ;
Li, Chunxue ;
Song, Ning ;
Li, Chunmei .
NANO ENERGY, 2020, 67
[5]   Efficient synthesis of polymeric g-C3N4 layered materials as novel efficient visible light driven photocatalysts [J].
Dong, Fan ;
Wu, Liwen ;
Sun, Yanjuan ;
Fu, Min ;
Wu, Zhongbiao ;
Lee, S. C. .
JOURNAL OF MATERIALS CHEMISTRY, 2011, 21 (39) :15171-15174
[6]   Superhydrophobic and superoleophilic hybrid foam of graphene and carbon nanotube for selective removal of oils or organic solvents from the surface of water [J].
Dong, Xiaochen ;
Chen, Jun ;
Ma, Yanwen ;
Wang, Jing ;
Chan-Park, Mary B. ;
Liu, Xiangmei ;
Wang, Lianhui ;
Huang, Wei ;
Chen, Peng .
CHEMICAL COMMUNICATIONS, 2012, 48 (86) :10660-10662
[7]   Superhydrophobic and superoleophilic properties of graphene-based sponges fabricated using a facile dip coating method [J].
Duc Dung Nguyen ;
Tai, Nyan-Hwa ;
Lee, San-Boh ;
Kuo, Wen-Shyong .
ENERGY & ENVIRONMENTAL SCIENCE, 2012, 5 (07) :7908-7912
[8]   A versatile biomass derived carbon material for oxygen reduction reaction, supercapacitors and oil/water separation [J].
Gao, Shuyan ;
Li, Xiaoge ;
Li, Lingyu ;
Wei, Xianjun .
NANO ENERGY, 2017, 33 :334-342
[9]   Flexible Superhydrophobic and Superoleophilic MoS2 Sponge for Highly Efficient Oil-Water Separation] [J].
Gao, Xiaojia ;
Wang, Xiufeng ;
Ouyang, Xiaoping ;
Wen, Cuie .
SCIENTIFIC REPORTS, 2016, 6
[10]   A three-dimensional porous Co@C/carbon foam hybrid monolith for exceptional oil-water separation [J].
Ge, Xiao ;
Qin, Wenxiu ;
Zhang, Haimin ;
Wang, Guozhong ;
Zhang, Yunxia ;
Yu, Chengzhong .
NANOSCALE, 2019, 11 (25) :12161-12168
123456