EFECTO DEL PH Y EL TIEMPO DE AGITACIÓN EN LA RECUPERACIÓN DE MATERIAL COMBUSTIBLE Y EL RECHAZO DE CENIZAS EN UNA MUESTRA DE CARBÓN UTILIZANDO COAGULACIÓN HIDROFÓBICA SELECTIVA

  • Jorge Luis Piñeres
  • Wilfran Pertuz
  • Jeniffer Castro

Resumen

This paper shows the effect of pH and agitation time (Agt) on combustible recovery and ash rejection for a Colombian bituminous coal sample from Cerrejón (La Guajira), using a Selective Hydrophobic Coagulation process. A 22 factorial central composite experimental design was used, varying the pH and the agitation time as entry variables. The sample was processes in a specially built coagulation cell. The results show that the selectivity of the process is highest in a pH range of 4 to 10, with ash rejection values above of 70%. The statistical analysis showed that pH is a variable that has a significant effect (95% confidence level) in the selective hydrophobic coagulation process, while the agitation time has no significance effect.

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Publicado
2018-08-09
Como citar
PIÑERES, Jorge Luis; PERTUZ, Wilfran; CASTRO, Jeniffer. EFECTO DEL PH Y EL TIEMPO DE AGITACIÓN EN LA RECUPERACIÓN DE MATERIAL COMBUSTIBLE Y EL RECHAZO DE CENIZAS EN UNA MUESTRA DE CARBÓN UTILIZANDO COAGULACIÓN HIDROFÓBICA SELECTIVA. INGENIERÍA Y COMPETITIVIDAD, [S.l.], v. 20, n. 2, p. 99-108, ago. 2018. ISSN 2027-8284. Disponible en: <http://revistas.univalle.edu.co/index.php/ingenieria_y_competitividad/article/view/6408>. Fecha de acceso: 25 sep. 2018 doi: https://doi.org/10.25100/iyc.v20i2.6408.

Palabras clave

Selective Hydrophobic Coagulation, Ash Rejection, Combustible Recovery, Coal, Hydrophobicity