공업화학 (Applied Chemistry for Engineering)

  • 제25권3호
  • /
  • Pages.330-336
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  • 2014
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  • 1225-0112(pISSN)
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  • 2288-4505(eISSN)
한국공업화학회 (The Korean Society of Industrial and Engineering Chemistry)
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추출-증류-결정의 조합에 의한 콜타르 흡수유 중에 함유된 인돌의 고순도 정제

High-Purity Purification of Indole Contained in Coal Tar Absorption Oil by Extraction-Distillation-Crystallization Combination

  • Kim, Su Jin (Department of Cosmetic Science, Chungwoon University)
  • 투고 : 2014.04.14
  • 심사 : 2014.05.08
  • 발행 : 2014.06.10
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초록

추출-증류-결정의 조합에 의해 모델 콜타르 흡수유 중에 함유된 인돌의 정제를 검토했다. 흡수유는 4종류의 질소고리 화합물(9.2% 퀴놀린, 2.4% 이소퀴놀린, 4.7% 인돌, 2.4% 퀴날딘), 3종류의 2환 방향족 화합물(14.2% 1-메틸나프탈렌, 31.8% 2-메틸나프탈렌, 23.5% 디메틸나프탈렌), 5.5% 비페닐과 3.3% 페닐에테르의 9종류의 화합물로 구성되어 있다. 포름아미드 추출-증류-노말헥산을 사용한 용액 결정화의 조합의 채택에 의해 99.5% 인돌을 회수할 수 있었다. 본 연구를 통해 얻어진 실험적 결과를 이용하여 콜타르 흡수유 중에 함유된 인돌의 회수공정을 검토했다.

Purification of indole contained in model coal tar absorption oil was examined by extraction-distillation-crystallization combination. The absorption oil consists of nine components such as four kinds of nitrogen heterocyclic compounds (9.2% quinoline, 2.4% iso-quinoline, 4.7% indole, 2.4% quinaldine), three kinds of bicyclic aromatic compounds (14.2% 1-methylnaphthalene, 31.8% 2-methylnaphthalene, 23.5% dimethylnaphthalene), 5.5% biphenyl and 3.3% phenyl ether. 99.5% indole was recovered by combination of formamide extraction-distillation-solute crystallization using n-hexane. Furthermore, the recovery process of indole contained in coal tar absorption oil was studied by using the experimental results obtained by each operation of this work.

키워드

참고문헌

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피인용 문헌

  1. Comparison of Methanol with Formamide on Extraction of Nitrogen Heterocyclic Compounds Contained in Model Coal Tar Fraction vol.26, pp.2, 2015, https://doi.org/10.14478/ace.2015.1003