A fly ash-based sorbents has been designed for NO2 capture and separation from exhaust gases at room temperature. NO2 adsorbents-Na-X, SBA-15, MCM-41 were prepared by synthesizing from fly ash and modifying with polyethylene glycol (PEG). The sorption capacity of sorbents have been evaluated for NO2 removal from the simulated gas streams in a thermogravimetric analyzer TGA/DSC1at 25 degrees C under atmospheric pressure. The results show that the highest sorption capacity characterized zeolite Na-X-(FA) 44.7 mg NO2 g(-1) sorbent. After impregnation with PEG, the sorption capacity of SBA-15(FA) increased from 1.6 mg NO(2)g(-1) to 3.2 mg NO(2)g(-1), while for Na-X(FA) and MCM-41(FA) dropped after impregnation with PEG. In addition, the spent sorbent can be regenerated easily and completely by heating to 100 degrees C. With this study the present study may open a new window for developing high-performance fly ash-based sorbents for NO2 removal from exhaust gases.
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Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Li, Xinyu
Bai, Chengying
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Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Bai, Chengying
Qiao, Yingjie
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Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Qiao, Yingjie
Wang, Xiaodong
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Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Wang, Xiaodong
Yang, Kun
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Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Yang, Kun
Colombo, Paolo
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Univ Padua, Dept Ind Engn, Via Marzolo 9, Padua, Italy
Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USAHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
机构:
Xian Univ Architecture & Technol, Sch Mat & Mineral Resources, Xian 710055, Peoples R ChinaXian Univ Architecture & Technol, Sch Mat & Mineral Resources, Xian 710055, Peoples R China
Zhang, Yaojun
Liu, Licai
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Xian Univ Architecture & Technol, Sch Mat & Mineral Resources, Xian 710055, Peoples R ChinaXian Univ Architecture & Technol, Sch Mat & Mineral Resources, Xian 710055, Peoples R China
机构:
North China Univ Sci & Technol, Coll Min Engn, Tangshan, Hebei, Peoples R ChinaNorth China Univ Sci & Technol, Coll Min Engn, Tangshan, Hebei, Peoples R China
Li, Jianmin
Li, Ye
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North China Univ Sci & Technol, Coll Emergency Management & Safety Engn, Tangshan 063210, Hebei, Peoples R China
Key Lab Min Dev & Safety Technol Hebei Prov, Tangshan, Peoples R ChinaNorth China Univ Sci & Technol, Coll Min Engn, Tangshan, Hebei, Peoples R China
Li, Ye
Guo, Liwen
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North China Univ Sci & Technol, Coll Min Engn, Tangshan, Hebei, Peoples R China
North China Univ Sci & Technol, Coll Emergency Management & Safety Engn, Tangshan 063210, Hebei, Peoples R China
Key Lab Min Dev & Safety Technol Hebei Prov, Tangshan, Peoples R ChinaNorth China Univ Sci & Technol, Coll Min Engn, Tangshan, Hebei, Peoples R China
Guo, Liwen
Zhang, Jiayong
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North China Univ Sci & Technol, Coll Emergency Management & Safety Engn, Tangshan 063210, Hebei, Peoples R China
Key Lab Min Dev & Safety Technol Hebei Prov, Tangshan, Peoples R ChinaNorth China Univ Sci & Technol, Coll Min Engn, Tangshan, Hebei, Peoples R China