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Molecular composition and mobility of torbanite precursors: Implications for the structure of coal

Energy & Fuels
By: , and 

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Abstract

Coorongite, a torbanite precursor found in South Australia, and algal residues derived from Botryococcus braunii and other algae have been examined by solid-state 13C NMR techniques. The majority of carbon in these materials is present as (CH2)n. However, variable-temperature studies show that a considerable proportion of the alkyl chains have unusual dipolar-dephasing behavior and are more mobile than in rigid solids. It is suggested that these mobile structures contribute to the so-called "guest phases" in coal. The data are also consistent with a vascular and algal model of coal. ?? 1988 American Chemical Society.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Molecular composition and mobility of torbanite precursors: Implications for the structure of coal
Series title Energy & Fuels
Volume 2
Issue 5
Year Published 1988
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Energy & Fuels
First page 668
Last page 672