CAS OpenIR
Few-layered mesoporous graphene for high-performance toluene adsorption and regeneration
Wang, Yaling1; Li, Zehui1; Tang, Cheng2; Ren, Haixia1; Zhang, Qiang1; Xue, Mo1; Xiong, Jin3; Wang, Dongbin1; Yu, Qian1; He, Zhiyuan4; Wei, Fei2; Jiang, Jingkun1
2019-10-01
Source PublicationENVIRONMENTAL SCIENCE-NANO
ISSN2051-8153
Volume6Issue:10Pages:3113-3122
AbstractThe benzene series is one type of volatile organic compounds (VOCs) which causes significant health and environmental issues. Adsorption is an energy-efficient technique for VOC treatment. With a combination of strong pi-pi interaction with the benzene series, large specific surface area (SSA), tunable nanostructure hierarchy and favourable hydrophobicity, three-dimensional porous graphene materials are potentially favorable for high adsorption capacity, low-energy regeneration and good resistance to high humidity. In this work, few-layered mesoporous graphene (FLMG) with a large SSA (1990 m(2) g(-1)) is constructed by chemical vapor deposition on porous magnesium oxide templates. The as-prepared mesoporous graphene presents a high adsorption capacity (260.0 mg g(-1)) for toluene at low toluene concentration (similar to 120 ppm) and a high desorption ratio of 92% for regeneration even at mild heating conditions of 95 degrees C. Additionally, FLMG preserves 80.1% of the initial adsorption capacity even under high humidity (78%). The good adsorption performance of FLMG is due to its high SSA and high mesoporosity, which render a stronger adsorption ability, a larger adsorption accommodation and a more facile desorption behaviour. This work illustrates the further development of advanced graphene materials for enhanced VOC treatment and other environmental applications.
DOI10.1039/c9en00608g
Language英语
WOS KeywordVOLATILE ORGANIC-COMPOUNDS ; ACTIVATED CARBONS ; SURFACE-AREA ; POROUS GRAPHENE ; CONTACT-ANGLE ; BENZENE ; OXIDE ; VOCS ; DESORPTION ; NITROGEN
Funding ProjectNational Key RD Plan[2016YFC0200102]
WOS Research AreaChemistry ; Environmental Sciences & Ecology ; Science & Technology - Other Topics
WOS SubjectChemistry, Multidisciplinary ; Environmental Sciences ; Nanoscience & Nanotechnology
Funding OrganizationNational Key RD Plan
WOS IDWOS:000489724400014
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/31285
Collection中国科学院过程工程研究所
Corresponding AuthorJiang, Jingkun
Affiliation1.Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
2.Tsinghua Univ, Beijing Key Lab Green Chem React Engn & Technol, Dept Chem Engn, Beijing 100084, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Inst Chem, Key Lab Green Printing, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yaling,Li, Zehui,Tang, Cheng,et al. Few-layered mesoporous graphene for high-performance toluene adsorption and regeneration[J]. ENVIRONMENTAL SCIENCE-NANO,2019,6(10):3113-3122.
APA Wang, Yaling.,Li, Zehui.,Tang, Cheng.,Ren, Haixia.,Zhang, Qiang.,...&Jiang, Jingkun.(2019).Few-layered mesoporous graphene for high-performance toluene adsorption and regeneration.ENVIRONMENTAL SCIENCE-NANO,6(10),3113-3122.
MLA Wang, Yaling,et al."Few-layered mesoporous graphene for high-performance toluene adsorption and regeneration".ENVIRONMENTAL SCIENCE-NANO 6.10(2019):3113-3122.
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