Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Wet Synthesis of Hydroxylammonium Nitrate (HAN) and Solid Phase Extraction Using Dual Organic Solvents

수산화암모늄나이트레이트(HAN)의 습식합성 및 이중 유기용매를 이용한 고체상 추출

  • Kim, Sohee (Department of Environmental Science and Engineering, Kyung Hee University) ;
  • Kwon, Younja (Department of Environmental Science and Engineering, Kyung Hee University) ;
  • Jeon, Jong-Ki (Deparment of chemical engineering, Kongju National University) ;
  • Jo, Youngmin (Department of Environmental Science and Engineering, Kyung Hee University)
  • 김소희 (경희대학교 환경응용과학과) ;
  • 권윤자 (경희대학교 환경응용과학과) ;
  • 전종기 (공주대학교 화학공학과) ;
  • 조영민 (경희대학교 환경응용과학과)
  • Received : 2020.04.26
  • Accepted : 2020.05.21
  • Published : 2020.06.10
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Abstract

Hydroxylammonium nitrate (HAN; NH3OHNO3) is an ionic energy material having a low melting temperature and vapor pressure with a high oxygen balance. To utilize it as an oxidizer for a high content liquid mono-propellant, a dual solvent was used to obtain HAN in a solid particulate form. The dehydrated crystal from an aqueous HAN was washed with dual organic solvents including acetone and ethanol, finally resulting in the moisture content of 13.8 wt%. When acetone was applied as a single solvent, the maximum synthesis yield of 88%, the HAN content evaluated by TGA of 86.2%, and the decomposition temperature ranged 160℃ to 205℃ were achieved.

수산화암모늄나이트레이트(HAN; NH3OHNO3)는 낮은 용융점과 증기압의 특성을 가지고 있고, 상대적으로 높은 산소균형을 이루고 있는 이온성 화합물이다. 본 연구에서는 높은 함량의 액상추진제를 제조하기 위한 산화제로 활용하기 위하여 이중용매를 적용하여 고체입자상으로 얻었다. 감압 하에서 액상의 HAN으로부터 수분을 증발시킨 후, 반용매로서 아세톤과 에탄올을 적용하여 추출한 입자상의 HAN에는 13.8 wt%의 수분이 포함되어 있었다. 아세톤을 단독으로 적용하였을 때, 합성수율은 질량기준으로 최대 88%이었고, TGA로 측정된 최대 함량은 86.2%, 분해온도는 160~205℃ 범위로 나타났다.

Keywords

References

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