Topic
Carbochemistry
About: Carbochemistry is a research topic. Over the lifetime, 1010 publications have been published within this topic receiving 16626 citations.
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TL;DR: In this article, the evolution of coal into char through a hydroconversion process is studied in the absence of solvent and at increasing severity conditions: pressure from 5 to 10 MPa, and temperatures from 300° to 400°C.
8 citations
TL;DR: In this paper, an approach has been developed to reduce the swelling and caking behavior of coals, using K and Ca additives applied in combination, and the exact mechanisms of the increased activity of the additives in combination are not completely understood.
8 citations
TL;DR: The processes which take place when a coking coal is turned into coke by heating in the absence of air are very complex and only partly understood, though they have been studied for many years.
Abstract: THE processes which take place when a coking coal is turned into coke by heating in the absence of air are very complex and only partly understood, though they have been studied for many years1,2. We have made a renewed approach to the problem, and have evolved for guidance an elementary theory applicable in the temperature-range within which coking coals show plastic properties. Supporting experimental evidence is described below.
8 citations
TL;DR: In this article, a rank series of coals with ketene indicated that, in general agreement with the earlier conclusions of Horton, the percentage of the oxygen in coals present as hydroxyl (OH), i.e. acetylated by ketene, was much greater than was indicated by acetylation with conventional reagents.
8 citations
TL;DR: In this article, a volumetric method of water vapour measurement has been used to study the oxidation at 423 K of three coals (ranging from subbituminous to semi-anthracite) and activated carbon with varying oxygen coverage.
8 citations