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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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19 May 2008
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TL;DR: In this article, the gasification with steam of bituminous coal from Penarroya (Cordoba, Spain) (HO) and of several samples prepared from either acid treatment (H,H, H, N, H-F and H O(3)) or by thermal treatment was studied under both dynamic and isothermal conditions (10 deg/min and 40 min at 1000°).
Abstract: The gasification with steam of a bituminous coal from Penarroya (Cordoba, Spain) (H—O) and of several samples prepared from either by acid treatment (H—H, H—N, H—F and H—F(3)) or by thermal treatment (H—O—C) was studied under both dynamic and isothermal conditions (10 deg/min and 40 min at 1000°).
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TL;DR: In this paper, the transalkylation reaction was used for determining chemical structural features of products derived from coal, such as derivatized coals, coals modified by thermolysis, and materials physically or chemically separated from coals.
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TL;DR: In this paper, the amount of hydrogen evolved from a coal during pyrolysis at atmospheric pressure in the presence of a coal hydrocracking catalyst was used for estimating the activity of the catalyst for high pressure hydrogenation of coals, moreover, a linear correlation was observed between hydrogen evolution under atmospheric pressure and the catalytic activity for liquefaction under high pressures.
Abstract: The amount of hydrogen evolved from a coal during pyrolysis at atmospheric pressure in the presence of a coal hydrocracking catalyst can be used for estimating the activity of the catalyst for high pressure hydrogenation of coals, moreover, a linear correlation was observed between hydrogen evolution under atmospheric pressure and the catalytic activity of the catalyst for liquefaction under high pressures. The most active catalyst for liquefaction of Akabira coal was Fe2O3-SO42-. In the liquefaction of Big Brown lignite at 450°C, MoO3CoO/Al2O3 and MoO3/TiO2 showed high selectivity for liquid products while Fe2O3/MoO3-SnO2 and Fe2O3-SO42- showed low selectivity for liquid products but high selectivity for gaseous products.
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