화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.37, No.5, 835-838, May, 2020
DOI10.1007/s11814-020-0480-y  Export Citation
Separation of arenols from a low-temperature coal tar by liquid-liquid extraction
Hua-Shuai Gao1, Zhi-Min Zong1, †, Zheng Yang1, Dao-Guang Teng1, Xiu-Hua Sun1, Li Yan1, Xian-Yong Wei1, 2, Qing-Jie Guo2, Tian-Sheng Zhao2, and Hong-Cun Bai1
  • 1Key Laboratory of Coal Processing and Efficient Utilization, Ministry of Education, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
  • 2State Key Laboratory of High-efficiency Utilization and Green Chemical Engineering, Ningxia University, Yinchuan 750021, Ningxia, China
E-mail:
Low-temperature coal tar (LTCT) is a sticky liquid mixture produced mainly from coal pyrolysis, which contains various value-added chemicals (VACs). Liquid-liquid extraction is considered as one of the green and effective ways to explore the organic composition and separate the VACs from LTCT. Herein, petroleum ether, methanol, and carbon disulfide were used to extract arenols from a LTCT. As a result, the relative content and absolute content of arenols extracted from the LTCT are ca. 96.3% and 85.9%, respectively. Among them, p-cresol is predominant, accounting for 22.2%. The isolated contents of arenols are up to 84.6%. Moreover, a kilogram-scale operation was carried out under the same conditions, which offers a potential application in industrial production.
Keywords:Arenols;Low-temperature Coal Tar;Liquid-liquid Extraction;GC/MS;FTIR
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