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[1]赵唯君,张华丽*,严春杰,等.乙醇胺和N, N-二甲基乙醇胺改性埃洛石对CO2的吸附行为[J].武汉工程大学学报,2017,39(05):420-426.[doi:10. 3969/j. issn. 1674?2869. 2017. 05. 003]
 ZHAO Weijun,ZHANG Huali*,YAN Chunjie,et al.Adsorption Behavior of Carbon Dioxide with Halloysite Modified by Ethanol Amineand N,N-Dimethyl Ethanolamine[J].Journal of Wuhan Institute of Technology,2017,39(05):420-426.[doi:10. 3969/j. issn. 1674?2869. 2017. 05. 003]
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乙醇胺和N, N-二甲基乙醇胺改性埃洛石对CO2的 吸附行为(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
39
期数:
2017年05期
页码:
420-426
栏目:
化学与化学工程
出版日期:
2017-12-19

文章信息/Info

Title:
Adsorption Behavior of Carbon Dioxide with Halloysite Modified by Ethanol Amineand N,N-Dimethyl Ethanolamine
文章编号:
20170503
作者:
赵唯君1张华丽1*严春杰2潘志权1
1. 武汉工程大学化学与环境工程学院,湖北 武汉 430205; 2. 中国地质大学纳米矿物材料及应用教育部工程研究中心,湖北 武汉 430074
Author(s):
ZHAO Weijun1 ZHANG Huali1* YAN Chunjie2PAN Zhiquan1
1. School of Chemistry and Environmental Engineering,Wuhan Institute of Technology,Wuhan 430205,China; 2. Nano-Mineral Materials and Application Engineering Research Center of the Ministry of Education, China University of Geosciences,Wuhan 430074,China
关键词:
埃洛石 混和胺 改性 CO2吸附
Keywords:
halloysite mixed amine modifying CO2 adsorption
分类号:
TQ028.1+5
DOI:
10. 3969/j. issn. 1674?2869. 2017. 05. 003
文献标志码:
A
摘要:
研究了煅烧和混和胺改性后的埃洛石对CO2的吸附研究. 分别考察了提纯、煅烧和混合胺改性对埃洛石比表面积的影响. 实验结果表明,埃洛石提纯后比表面积为30.11 m2/g;埃洛石经过煅烧后的X射线衍射结果显示,随着温度的增加衍射峰变尖锐,但到300 ℃以后反而下降,因此选择的煅烧温度为300 ℃,比表面积达到了37.04 m2/g;测得常温常压下吸附CO2的质量分数为3.141%. 用混合胺对其改性,红外光谱结果显示制备成功,其比表面积下降至33.09 m2/g;常温常压下吸附CO2的质量分数为17.21%,远远高于仅煅烧的埃洛石吸附CO2的质量分数. 说明吸附二氧化碳在改性埃洛石上的行为主要是化学吸附.
Abstract:
The carbon dioxide adsorption capacities of halloysite after calcination and modified by amine were studied. The effects of purification, calcining temperature and mixed amine modification on the specific surface area were inspected. The results show that the specific surface area of purified halloysite is 30.11 m2/g. X-ray diffraction results demonstrate that the diffraction peaks become sharper with calcining temperature increasing. However, the diffraction peaks begin to decrease when the temperature is greater than 300 ℃. As a result, the optimum calcining temperature is set as 300 ℃ and corresponding specific surface area is 37.04 m2/g. The mass fraction of carbon dioxide absorptionon halloysite is 3.141% at ambient temperature and atmospheric pressure. After calcination at 300 ℃, the halloysite was modified by mixed amine. The infrared spectra show that the modification is successful. The specific surface area decreases to 33.09 m2/g. On the contrary, the mass fraction of carbon dioxide absorption with modified halloysite is 17.21%, which is much higher than that of calcined halloysite, proving that carbon dioxide adsorption behavior on modified halloysite is mainly a chemical process.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-03-17 作者简介:赵唯君,硕士研究生. E-mail:592092222@qq.com
更新日期/Last Update: 2017-10-25