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Microflow synthesis and preparation of hazard chemical materials

  • SHEN Ruiqi ,
  • ZHU Peng ,
  • YE Yinghua ,
  • XIA Huanming ,
  • ZHAO Shuangfei ,
  • CHEN Cong ,
  • YANG Yong
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  • 1. School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China;
    2. School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

Received date: 2018-07-01

  Revised date: 2018-08-03

  Online published: 2018-08-29

Abstract

Energetic materials are flammable and explosive hazard chemical materials which might explode with an slight excitation, such as the mechanical force, the heat and the static electricity. The conventional processes of synthesis, separation, purification, refining and coating for energetic materials use the internal stirred vessel technology, with a low safety and with large scale explosives kept in line. The microchannel reactor is an essential security technology, because of high ratio of surface/volume and small microchannel, in which the size of the microchannel can be designed in smaller size than the detonation critical diameter of explosives, with a small amount of explosives in line. The continuous phase micro-flow technology is widely used in synthesis and analysis of chemical materials, but the microchannel is easily blocked by solid products. The micro-segmented flow treatment is easier than that of the continuous phase flow. The innovated microsegmented flow technology is specifically suitable for the synthesis of high sensitivity hazard compounds, because of its capabilities in block-free and high efficiency mixing.

Cite this article

SHEN Ruiqi , ZHU Peng , YE Yinghua , XIA Huanming , ZHAO Shuangfei , CHEN Cong , YANG Yong . Microflow synthesis and preparation of hazard chemical materials[J]. Science & Technology Review, 2018 , 36(16) : 46 -52 . DOI: 10.3981/j.issn.1000-7857.2018.16.005

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