2024-03-29T08:27:54Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/109022018-11-15T10:55:09Zcom_10261_84com_10261_5col_10261_337
DIGITAL.CSIC
author
Álvarez García, Ramón
author
Suárez Canga, Jesús
author
Díez Díaz-Estébanez, María Antonia
author
Fuente Alonso, Enrique
author
García Fernández, Roberto
author
González de Andrés, Ana Isabel
2009-02-23T16:45:58Z
2009-02-23T16:45:58Z
1996-06
Fuel Processing Technology 47(3): 281-293 (1996)
0378-3820
http://hdl.handle.net/10261/10902
10.1016/0378-3820(96)01017-X
Differences between primary quinoline insoluble (QI) material of coal tars and their derived pitches caused by preheating carbonization have been studied using microscopic techniques, Coulter Laser particle size analysis and solid-state C-13 NMR. The selected tars were produced from the same coal using wet and preheated charging at the INCAR experimental coking test plant, which operates on a semi-industrial scale. Specific operational conditions were successfully applied not only to reduce the ash content and the QI and toluene insoluble (TI) contents in the tars produced by the preheating process, but also to modify the nature of the QI particles. In addition, structural changes in the insoluble materials formed during the pitch production from the tar have been monitored.
eng
closedAccess
Carbonization
Coal preheating
Tar
Pitch
Quinoline insolubles
Influence of wet and preheated coal charging on the nature of quinoline insolubles of coal tars and their derived pitches
artículo
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