Nitrosation Reaction Without Nitrogen Oxide Waste Gas Emission and Its Engineering Practice

doi:10.1016/S1004-9541(13)60490-5

Chinese Journal of Chemical Engineering ›› 2013, Vol. 21 ›› Issue (4): 442-446.DOI: 10.1016/S1004-9541(13)60490-5

• 能源、资源与环境技术 • 上一篇下一篇

Nitrosation Reaction Without Nitrogen Oxide Waste Gas Emission and Its Engineering Practice

陈春光^1,2, 冯亚青¹, 牛伟玮³, 陈学玺⁴

1 School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
2 Huangdao Entry-Exit Inspection and Quarantine Bureau, Qingdao 266555, China;
3 School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China;
4 School of Chemical Engineering and Technology, Qingdao University of Science & Technology, Qingdao 266042, China

收稿日期:2012-04-24 修回日期:2012-11-12 出版日期:2013-04-28 发布日期:2013-04-26
通讯作者: CHEN Xuexi

Nitrosation Reaction Without Nitrogen Oxide Waste Gas Emission and Its Engineering Practice

CHEN Chunguang^1,2, FENG Yaqing¹, NIU Weiwei³, CHEN Xuexi ⁴

1 School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
2 Huangdao Entry-Exit Inspection and Quarantine Bureau, Qingdao 266555, China;
3 School of Polymer Science and Engineering, Qingdao University of Science & Technology, Qingdao 266042, China;
4 School of Chemical Engineering and Technology, Qingdao University of Science & Technology, Qingdao 266042, China

Received:2012-04-24 Revised:2012-11-12 Online:2013-04-28 Published:2013-04-26

摘要/Abstract

摘要： The gas-liquid phase equilibrium is used in controlling the nitrosation reaction process. Decomposition of nitrous acid and oxidation side reaction are suppressed in a closed reaction system. The system pressure is used as the criterion of the end of reaction, avoiding excessive feeding and reducing the decomposition of nitrous acid. The head space of the reactor is used as the gas buffer, stabilizing the feeding fluctuations and inhibiting the side reaction, decomposition of nitrous acid. Nitrogen oxide concentration is controlled at the minimum level. Thus the zero release of nitrogen oxide waste gas can be achieved without using any absorption process.

关键词: nitrosation, nitrogen oxides, phase equilibrium

Abstract: The gas-liquid phase equilibrium is used in controlling the nitrosation reaction process. Decomposition of nitrous acid and oxidation side reaction are suppressed in a closed reaction system. The system pressure is used as the criterion of the end of reaction, avoiding excessive feeding and reducing the decomposition of nitrous acid. The head space of the reactor is used as the gas buffer, stabilizing the feeding fluctuations and inhibiting the side reaction, decomposition of nitrous acid. Nitrogen oxide concentration is controlled at the minimum level. Thus the zero release of nitrogen oxide waste gas can be achieved without using any absorption process.

Key words: nitrosation, nitrogen oxides, phase equilibrium

陈春光, 冯亚青, 牛伟玮, 陈学玺. Nitrosation Reaction Without Nitrogen Oxide Waste Gas Emission and Its Engineering Practice[J]. Chinese Journal of Chemical Engineering, 2013, 21(4): 442-446.

CHEN Chunguang, FENG Yaqing, NIU Weiwei, CHEN Xuexi . Nitrosation Reaction Without Nitrogen Oxide Waste Gas Emission and Its Engineering Practice[J]. Chin.J.Chem.Eng., 2013, 21(4): 442-446.

参考文献

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Nitrosation Reaction Without Nitrogen Oxide Waste Gas Emission and Its Engineering Practice

Nitrosation Reaction Without Nitrogen Oxide Waste Gas Emission and Its Engineering Practice

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