Synthesis of Si/O/C/N quaternary composite aerogels with micro/mesoporous structures and their selective adsorption property for volatile carbonyl compounds in cigarette smoke

被引：17
作者：
Chai, Shanshan [1 ]
Dai, Xiaoxiao [1 ]
Wu, Tong [1 ]
Liu, Baizhan [2 ]
Yao, Heming [2 ]
Yuan, Yi [3 ]
Wu, Qingsheng [1 ]
机构：
[1] Tongji Univ, Sch Chem Sci & Engn, Inst Adv Study, Shanghai Key Lab Chem Assessment & Sustainabil, Shanghai 200092, Peoples R China
[2] Shanghai Tobacco Grp Co Ltd, Key Lab Cigarette Smoke Res, Shanghai 200082, Peoples R China
[3] Anhui Agr Univ, Coll Life Sci, Hefei 230036, Peoples R China
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2020年 / 301卷
基金：
中国国家自然科学基金;
关键词：
Si/O/C/N quaternary composite aerogels; Micro/mesoporous; Adsorption; Cigarette smoke; Volatile carbonyl compounds; TOXIC ORGANIC-COMPOUNDS; SILICA AEROGELS; THERMAL-DECOMPOSITION; SURFACE-AREA; FABRICATION; EVOLUTION; CHITOSAN; REMOVAL; FIBERS; GAS;
D O I：
10.1016/j.micromeso.2020.110164
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A novel micro/mesoporous Si/O/C/N quaternary composite aerogels were prepared for the first time and possessed efficient synergistic effect of physisorption and chemisorption. In the preparation process, a simple sol-gel method was applied to integrating nitrogen rich chitosan sol and tetraethoxysilane (TEOS) sol skillfully. The 2 mm-thick Si/O/C/N composite adsorption layer was sandwiched into the acetate filter rod of control sample to form a test sample with high removal efficiency for volatile carbonyl compounds, especially for crotonaldehyde (75.9%) in mainstream cigarette smoke (MCS). The micro/mesopomus Si/O/C/N quaternary composite aerogels have brilliant prospect in the application of cigarette smoke filtration, water purification, etc.
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页数：8
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