Studies related to the structure and reactivity of coals. 16. The chemical structure of the oil products from reactions of Victorian brown coals

Peter J. Redlich, W. Roy Jackson, Frank P. Larkins, Alan L. Chaffee, Imants Liepa

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A suite of Victorian brown coals and the guest and host components of the coals obtained by 320 °C extraction have been reacted to obtain oils for analysis by n.m.r. and g.c.-m.s. techniques. Batch autoclave experiments without solvent, but with 10 MPa initial hydrogen pressure in the presence of stannic oxide, were undertaken at 405 °C. Oils derived from the macromolecular host material were highly polar materials and contained mainly phenols, and one- and two-ring aromatic hydrocarbons. They were of similar composition for all Victorian low-sulphur brown coals. In contrast, oils derived from the guest material were mainly a mixture of n-alkanes and terpenoid-derived cyclic hydrocarbons, and the ratio of these two types of compounds varied with the coal.

Original languageEnglish
Pages (from-to)1538-1543
Number of pages6
Issue number12
Publication statusPublished - 1 Jan 1989


  • characterization of coal
  • chemical structure
  • oil

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