| NO2在高岭石表面的非均相反应研究 |
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| 引用本文： | 张泽锋,朱彤,尚静,赵德峰,叶春翔.NO2在高岭石表面的非均相反应研究[J].环境科学学报,2011,31(10):2073-2079. |
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| 作者姓名： | 张泽锋 朱彤 尚静 赵德峰 叶春翔 |
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| 作者单位： | 1. 环境模拟与污染控制国家重点联合实验室北京大学环境科学与工程学院,北京100871／南京信息工程大学大气物理学院,南京210044
2. 环境模拟与污染控制国家重点联合实验室北京大学环境科学与工程学院,北京,100871 |
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| 基金项目： | 国家自然科学基金(No.41005071,40490265, 20637020);国家重点基础研究发展规划(No.2002CB410802);环境模拟与污染控制国家重点联合实验室专项经费(No.09K01ESPCP) |
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| 摘 要： | 高岭石是典型的1∶1型层状结构的硅铝酸盐,研究其非均相反应对于了解粘土类矿物的非均相反应具有重要的意义.因此,试验以原位漫反射红外傅里叶变换光谱（DRIFTS）为研究手段,对NO2在高岭石表面的非均相反应进行了系统的研究.结果表明,NO2在高岭石表面发生歧化反应生成NO3-和NO2-.相对湿度对非均相反应具有重要影响,有水汽存在时会增加反应的持续能力,但相对湿度的增加会使摄取系数降低.在干态和湿态条件下,NO2在高岭石表面的反应机理不同,干态下为二级反应,湿态下为一级反应.
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| 关 键 词： | 非均相反应 摄取系数 DRIFTS NO2 高岭石 |
| 收稿时间： | 2010/12/13 0:00:00 |
| 修稿时间： | 2011/1/19 0:00:00 |
Heterogeneous reaction of NO2 on the surface of kaolinite particles |
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| ZHANG Zefeng,ZHU Tong,SHANG Jing,ZHAO Defeng and YE Chunxiang.Heterogeneous reaction of NO2 on the surface of kaolinite particles[J].Acta Scientiae Circumstantiae,2011,31(10):2073-2079. |
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| Authors: | ZHANG Zefeng ZHU Tong SHANG Jing ZHAO Defeng and YE Chunxiang |
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| Institution: | 1. State Key Joint Laboratory of Environmental Simulation and Pollution Control,College of Environmental Sciences and Engineering, Peking University, Beijing 100871;2. College of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044,State Key Joint Laboratory of Environmental Simulation and Pollution Control,College of Environmental Sciences and Engineering, Peking University, Beijing 100871,State Key Joint Laboratory of Environmental Simulation and Pollution Control,College of Environmental Sciences and Engineering, Peking University, Beijing 100871,State Key Joint Laboratory of Environmental Simulation and Pollution Control,College of Environmental Sciences and Engineering, Peking University, Beijing 100871 and State Key Joint Laboratory of Environmental Simulation and Pollution Control,College of Environmental Sciences and Engineering, Peking University, Beijing 100871 |
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| Abstract: | The studies of heterogeneous reactions on kaolinite,typically a 1:1 layered aluminosilicate,are necessary to understanding heterogeneous reactions on clay minerals.Using diffuse reflectance infrared Fourier transform spectroscopy(DRIFTS),we investigated the heterogeneous reaction of NO2 on the surface of kaolinite particles.It is found that NO 3-and NO 2-were generated on the surface via the disproportionate reaction.Relative humidity played an important role in the heterogeneous reaction of NO2 and kaolini... |
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| Keywords: | heterogeneous reaction uptake coefficient DRIFTS NO2 kaolinite |
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