In 9 paper entitled "The Chemica Uiilization of Coal," read before the Engineering Seelety of China at ils Fourth Ordinary Meeting of the 1940- 41'Session held on Monday, at $45 pan, at the Henry Lester Institute of Medico! Research, with Mr. N. W. Clarke inthe chair. Me, W. P. Rial sale that. coal was the most widely Uiseel source of thermal energy and fon its use depended almost entirely Industrial revolution of the 19th ccontury:
was only comparatively recently that the problem of its chemical lure Id. been seriously attacked.
'An investigation of the reduction products of cellulose and Tixnins show that they' might be regarded as deprivations of an aromatic nucleus and hat coat was formed asthe result of the condensation and polymeriza~ tion of such compounds, While it was not suggested that the process was so simple, the for= motion of coals of different. rane might. be represented as a progress sive elimination of water and earbon= dioxide.
The range of hydrogen percentage {in coal was small, and {o convert coal into of it was necessary to. supply in one way or another this deficiency hydrogen.
Text read from the printed page and cleaned; old type leaves the occasional error.