GC/MS analyses of fractionated extraction of Shenfu coal with CS2, n-hexane, benzene

• 来源期刊: 中国煤炭（英文版）
• 关键词: solvent fractionated extraction,chemical constituent,GC/MS
• 年，卷（期）: 2008,（4）
• 页码范围: 672-674
• 页数: 3页
• 语种: 英文

摘要

Shenfu coal was extracted with CS2, n-hexane, benzene sequentially. The ex-tracts were analyzed with GC/MS. It is presented that group seperation of soluble organic compounds in the coal can be achieved by fractionated extraction using different solvents. Main components in CS2 soluble fraction from Shenfu coal are alkyl-substituted arenes. Aliphatic hydrocarbons are overwhelmingly predominant in n-hexane-soluble fraction. Di-to tricyclic aramatic hydrocarbons are identified in benzene-soluble fraction. The molecular structures detection of 2, 4, 6-trichlorobenzenamine and 3, 3', 4, 4', 5, 5'-hexachloro-1, 1'-biphenyl and 2-chlorocyclohexanol firstly provide information for existence form of chlorine in coal.