Measurements of vapor pressures of heteroatom-containing PAH and coal-tar model mixtures
- Brown Univ., Providence, RI (United States)
This paper presents the results of measurements of the vapor pressures of large polycyclic aromatic hydrocarbons and their mixtures (particularly those containing heteroatoms). Little is known about the vapor pressures of large polycyclics containing heteroatoms. There is also a large uncertainty in the vapor pressures of primary coal tars, the main product of coal pyrolysis. Coal tars are characterized by a high content of polycyclic aromatics containing heteroatoms. Knowledge of coal tar vapor pressures is important in predicting the pyrolysis behavior of coals. The paucity of data on such systems has been addressed in a study in which vapor pressures of actual coal tars and model {open_quotes}tars{close_quotes}, consisting of mixtures of PAH, are measured, using a molecular effusion/TGA technique. The assumptions show that a commonly applied assumption of ideal mixtures (i.e. Rjoult`s Law) is not appropriate for these mixtures.
- OSTI ID:
- 370303
- Report Number(s):
- CONF-960376-; TRN: 96:003805-0355
- Resource Relation:
- Conference: Spring national meeting of the American Chemical Society (ACS), New Orleans, LA (United States), 24-28 Mar 1996; Other Information: PBD: 1996; Related Information: Is Part Of 211th ACS national meeting; PB: 2284 p.
- Country of Publication:
- United States
- Language:
- English
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