A Study of the Forms in Which Sulphur Occurs in Coal
A Study of the Forms in Which Sulphur Occurs in Coal
Alfred Richard Powell
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A STUDY OF THE FORMS IN WHICH SULPHUR OCCURS IN COAL 49 carbons and their derivatives, it has been supposed that the original coal consisted of ring-like compounds. R. Meyer* has an interesting theory concerning coal structure. He believes the main part of the coal to be composed of compounds which are merely polymers of acetylene and which change very readily into acetylene on heating. The nitrogen exists in such a form that it will come out as ammonia or hydrocyanic acid. When the coal is bei...ng distilled, these primary decomposition products unite in various com- binations to give the ordinary distillation products. Meyer performed some experiments to substantiate this theory. By passing acetylene, mixed sometimes with ammonia or hydrocyanic acid, through a heated tube, he obtained a variety of products, among which were benzene, toluene, diphenyl, styrol, inden, napthalene, anthracene, phenanthrene, pyrene, fluorene, acenaphten, chrysene, hexylene, pyridin, anilin, carbazol, and benzonitrile.
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