Particulate Matter Capturing via Naturally Dried ZIF-8/Graphene Aerogels under Harsh Conditions - Details

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Abstract：

Particulate　matter　(PM)　pollution　poses　a　serious　threat　to　the　environment　and　public　health.　Capture　of　PM　is　best　performed　at　the　emission　source,　such　as　car　exhaust　exit　points,　although　it　is　a　challenge　for　filters　to　work　under　harsh　conditions　of　high　temperatures　and　flow　rate.　Here　we　designed　a　thermally　stable　PM　filter　by　in　situ　anchoring　of　zeolite　imidazole　framework-8　(ZIF-8)　on　a　three-dimensional　(3D)　network　of　reduced　graphene　oxide　aerogel　(rGA)　through　natural　drying.　Owing　to　high　specific　surface　area,　well-connected　porous　network　of　graphene　aerogel,　and　large　number　of　metal　sites　from　ZIF-8/rGA,　the　capture　efficiencies　for　PM2.5　and　PM10　are　over　99.3%　and　99.6%,　respectively,　at　ambient　conditions,　and　the　efficiencies　remain　high　in　harsh　conditions　(PM2.5　and　PM10:　>98.8%　and　>99.1%,　respectively,　at　200°C　at　a　flow　velocity　of　30　L/min).　The　filter　can　be　regenerated　by　a　simple　washing　process.　Materials　Science;　Composite　Materials;　Nanomaterials;　Porous　Material　©　2019　The　Author(s)

Keyword：

Composite Materials; Materials Science; Nanomaterials; Porous Material

Community：

[ 1 ] [Mao, J.]National Engineering Research Center of Chemical Fertilizer Catalyst (NERC-CFC), College of Chemical Engineering, Fuzhou University, Fuzhou, 350116, China
[ 2 ] [Mao, J.]National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, China
[ 3 ] [Tang, Y.]Institute of Applied Physics and Materials Engineering, University of Macau, Macau, China
[ 4 ] [Wang, Y.]Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
[ 5 ] [Huang, J.]National Engineering Research Center of Chemical Fertilizer Catalyst (NERC-CFC), College of Chemical Engineering, Fuzhou University, Fuzhou, 350116, China
[ 6 ] [Dong, X.]National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, China
[ 7 ] [Chen, Z.]School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
[ 8 ] [Lai, Y.]National Engineering Research Center of Chemical Fertilizer Catalyst (NERC-CFC), College of Chemical Engineering, Fuzhou University, Fuzhou, 350116, China

Reprint 's Address：

[Lai, Y.]National Engineering Research Center of Chemical Fertilizer Catalyst (NERC-CFC), College of Chemical Engineering, Fuzhou UniversityChina

Email：

yklai@fzu.edu.cn

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Source ：

iScience

ISSN： 2589-0042

Year： 2019

Volume： 16

Page： 133-144

4 . 4 4 7

JCR@2019

4 . 6 0 0

JCR@2023

ESI HC Threshold：283

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WoS CC Cited Count：

SCOPUS Cited Count： 60

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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