composite hydrogel was prepared by using methyltrimethoxysilane (MTMS) as a silicon source
and freeze-dried to obtain a cellulose/SiO
2
composite aerogel having good performance. The prepared aerogels were characterized by scanning electron microscopy (SEM)
contact angle measuring instrument and thermogravimetric analysis (TGA). The
results show that the material consists of macropores
mesopores
and micropores with a minimum density of 0.107 g/cm
3
which has good hydrophobic properties
static hydrophobic contact angle of up to 148.5°
good mechanical properties
and 100% recovery after compression in 50% range. The material has good adsorption performance
and the adsorbed oil can reach 12.7 times of its own quality
and the thermal stability is improved. It has broad application prospects in the treatment of organic wastewater
especially water pollution.
关键词
Keywords
references
Dalton T , Jin D . Extent and frequency of vessel oil spills in US marine protected areas [J ] . Marine Pollution Bulletin , 2010 , 60 ( 11 ): 1939 .
Bi H C , Xie X , Yin K B , et al . Spongy graphene as a highly efficient and recyclable sorbent for oils and organic solvents [J ] . Advanced Function Material , 2012 , 22 ( 21 ): 4421 - 4425 .
Annunciado T R , Sydenstricker T H , Amico S C . Experimental investigation of various vegetable fibers as sorbent materials for oil spills [J ] . Marine Pollution Bulletin , 2005 , 50 ( 11 ): 1340 - 1346 .
Bayat A , Aghamiri S F , Moheb A , et al . Oil spill cleanup from sea water by sorbent materials [J ] . Chemical Engineering Technology , 2005 , 28 ( 12 ): 1525 - 1528 .
Zhu Q , Pan Q , Liu F . Facile removal and collection of oils from water surfaces through superhydrophobic and superoleophilic sponges [J ] . Journal of Physical Chemistry C , 2011 , 115 ( 35 ): 17464-17470 .
Lermontov S A . Methyltrimethoxysilane-based elastic aerogels: effects of the supercritical medium on structure-sensitive properties [J ] . Russian Journal of Inorganic Chemistry , 2015 , 60 ( 4 ): 488 - 492 .
Fidalgo A , Farinha J P S , Martinho J M G , et al . Flexible hybrid aerogels prepared under subcritical conditions [J ] . Journal of Material Chemistry A , 2013 , 1 ( 39 ): 12044-12052 .
Yu Y , Wu X , Guo D , et al . Preparation of flexible, hydrophobic, and oleophilic silica aerogels based on a methyltriethoxysilane precursor [J ] . Journal of Material Science , 2014 , 49 ( 22 ): 7715 - 7722 .
Kettunen M , Silvennoinen R J , Houbenov N , et al . Photoswitchable superabsorbency based on nanocellulose aerogels [J ] . Advanced Functional Materials , 2011 , 21 ( 3 ): 510 - 517 .
Sai H Z , Xing L , Xiang J H , et al . Flexible aerogels with interpenetrating network structure of bacterial cellulose–silica composite from sodium silicate precursor via freeze drying process [J ] . Journal of Materials Chemistry A , 2013 , 1 ( 27 ): 7963 - 7970 .
Ma S R , Mi Q Y , Yu J , et al . Aerogel materials based on cellulose [J ] . Progress in Chemistry , 2014 , 26 ( 5 ): 796 - 809 .
Fei H , Sui C , Yang G , et al . Fabrication of hydrophobic silica-cellulose aerogels by using dimethyl sulfoxide(DMSO) as solvent [J ] . Materials Letters , 2014 , 137 ( 137 ): 167 - 169 .
Liu X X , Liu Z M . Preparation and characterization of hydrophobic cellulose/SiO 2 composite aerogel [J ] . Biomass Chemical Engineering , 2016 , 50 ( 2 ): 39 - 44 .
Shi J J , Lu L B , Guo W T , et al . Heatinsulation performance, mechanics and hydrophobic modification of cellulose-SiO 2 composite aerogels [J ] . Carbohydrate Polymers , 2013 , 98 ( 1 ): 2118 - 2121 .
He M , Duan B , Xu D F , et al . Moisyure and solvent responsive cellulose/SiO 2 nanocomposite materials [J ] . Cellulose , 2015 , 22 ( 1 ): 553 - 563 .
Egal M , Budtova T , Navard P . The dissolution of microcrystalline cellulose in sodium hydroxide-urea aqueous solutions [J ] . Cellulose , 2008 , 15 ( 3 ): 361 .
Kobayashi Y , Saito T , Isogai A . Aerogels with 3D ordered nanofiber skeletons of liquid-crystalline nanocellulose derivatives as tough and transparent insulators [J ] . Angewandte Chemie International Edition , 2015 , 53 ( 39 ): 10253-10253 .
Li H Y , Wu Q L , Zhou D G . Preparation and performance analysis of nanosilica/cellulose composites [J ] . Transactions of the Chinese Society of Agricultural Engineering , 2015 , 31 ( 7 ): 299 - 303 .
Mo Z L , Zhao Z L , Chen H , et al . Heterogeneous preparation and properties of nano-SiO 2 /cellulose composites [J ] . Acta Materiae Compositae Sinica , 2008 , 25 ( 4 ): 24 - 28 .
Bo Z W , Xu X Q , Jin F F , et al . Preparation and characterization of cellulose-SiO 2 composite beads [J ] . Journal of Wuhan Institute of Technology , 2013 , 35 ( 2 ): 11 - 15 .
Qing Y , Wu Y Q , Qin Z Y , et al . Preparation and performance evaluation of SiO 2 /poplar wood composites [J ] . Acta Materiae Compositae Sinica , 2011 , 28 ( 6 ): 125 - 131 .
Nguyen B N , Meador M A , Tousley M E , et al . Tailoring elastic properties of siliea aerogels cross-linked with polystyrene [J ] . ACS Applied Materials and Interfaces , 2009 , 1 ( 3 ): 621 - 630 .
Pour G , Beauger C , Rigacci A , et al . Xerocellulose: lightweight, porous and hydrophobic cellulose prepared via ambient drying [J ] . Journal of Materials Science , 2015 , 50 ( 13 ): 4526 - 4535 .
Lin C , Zhang X D , He B Y . Synthesis and characterization of hydrophobic cellulose aerogel [J ] . Natural Sciences Journal of Hainan University , 2015 , 33 ( 4 ): 353 - 358 .
Li F , Xing L , Xiang J H , et al . Hydrophobic cellulose-SiO 2 composite aerogel prepared by a non-supercritical drying process [J ] . Rare Metal Materials and Engineering , 2015 , 44 (S 1 ): 647 - 650 .
He J , Zhao H Y , Li X L , et al . Superelastic and superhydrophobic bacterial cellulose/silica aerogels with hierarchical cellular structure for oil absorption and recovery [J ] . Journal of Hazardous Materials , 2018 , 346 : 199 - 207 .
Yuan J , Liu X , Akbulut O , et al . Superwetting nanowire membranes for selective absorption [J ] . Nature Nanotechnology , 2008 , 3 ( 6 ): 332 - 336 .
Hayase G , Kanamori K , Fukuchi M , et al . Facile synthesis of marshmallow-like macroporous gels usable under harsh conditions for the separation of oil and water [J ] . Angewandte Chemie , 2013 , 52 ( 7 ): 1986 - 1989 .
Zhang Y . Preparation of high specific surface area rice hull based activated carbon and its application in wastewater treatment [D ] . Changsha : Central South University , 2012 .
黄辉 . 活性炭吸附法去除水中硒的研究 [D ] . 昆明 : 昆明理工大学 , 2005 .
Huang H . Studying on removal of selenium from water by activated carbon process [D ] . Kunming : Kunming University of Science and Technology , 2005 .
Qi J R , Li Z , Xu H D , et al . Effect of physicochemical characteristic of porous carbon on its performance of adsorption [J ] . Journal of Jilin University (Science Edition) , 2005 , 43 ( 1 ): 95 - 100 .
Preparation of ZTIF based hydrophobic micro-mesoporous carbon and their adsorption and separation performance of 5-hydroxymethylfurfural
Study on adsorption and catalytic oxidation characteristics of toluene on Co3O4 modified USY molecular sieve
Saturated adsorption capacities of graphene aerogels on organics
Preparation and adsorption properties of spherical poly(tannin)-cellulose resin
Optimization of heat storage and release cycle performance of Ca(OH)2/CaO indirect reactor
Related Author
LYU Tiantian
YUAN Min
WANG Jiang
GAO Meizhen
YANG Jiahui
XU Hong
DONG Jinxiang
SHI Qi
Related Institution
College of Chemical Engineering and Technology, Shanxi Key Laboratory of Chemical Product Engineering, Taiyuan University of Technology
National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University
State Key Laboratory of Heavy Oil Processing, China University of Petroleum
College of Chemistry and Chemical Engineering, Jishou University, Jishou
Key Laboratory of Advanced Control for Light Industry Process of the Ministry of Education , Jiangnan University