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๐ SIMILAR VOLUMES
A study has been made of the evolution of water, carbon dioxide and carbon monoxide during the pyrolysis of Australian Yallourn brown coal, and of the way in which the evolution is influenced by exchange of the carboxyl groups in the coal with magnesium and barium cations, Virtually all the oxygen i
Two Polish subbituminous coals, containing 76% and 82% C, were hydrogenated in a batch stirred autoclave at 400,430 and 46O"C, under 20 MPa hydrogen pressure and at contact times of 20, 60,90 and 120min, in the presence of a coal-derived recycle oil. No external catalyst was used. The filtered react
The feasibility of preparing effective adsorbents from pistachio-nut shell was studied. Optimisation of the pyrolysis conditions prior to activation was carried out to study the effects of pyrolysis temperature, hold time, nitrogen flow rate and heating rate on the properties of chars and activated