화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Applied Chemistry for Engineering, Vol.31, No.3, 317-322, June, 2020
DOI10.14478/ace.2020.1032  Export Citation
수산화암모늄나이트레이트(HAN)의 습식합성 및 이중 유기용매를 이용한 고체상 추출
Wet Synthesis of Hydroxylammonium Nitrate (HAN) and Solid Phase Extraction Using Dual Organic Solvents
김소희, 권윤자, 전종기1, 조영민†
  • 경희대학교 환경응용과학과
  • 1공주대학교 화학공학과
Sohee Kim, Younja Kwon, Jong-Ki Jeon1, and Youngmin Jo†
  • Department of Environmental Science and Engineering, Kyung Hee University, Yongin-si, Gyeongi-do 17104, South Korea
  • 1Deparment of chemical engineering, Kongju National University, 1223-24, Cheonan-daero, Cheonnan-si, Chungcheongnam-do 31080, South Korea
E-mail:
초록
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.
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.
Keywords:Hydroxylammonium nitrate;Wet synthesis;Vacuum distillation;Extraction;Dual solvent
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