Services on Demand
Journal
Article
Indicators
Cited by SciELO
Access statistics
Related links
Cited by Google
Similars in SciELO
Similars in Google
Share
Revista Colombiana de Química
Print version ISSN 0120-2804On-line version ISSN 2357-3791
Abstract
NAVARRETE, Luisa Fernanda; GIRALDO, Liliana; BAQUERO, María Cristina and MORENO, Juan Carlos. ACTIVATED CARBON: EFFECT OF THE WASHING WITH SULFURIC ACID OF THE LIGNOCELLULOSIC PRECURSOR, SHELL OF AFRICAN PALM, ON THE PROCESSES OF CARBONIZATION AND ACTIVATION. Rev.Colomb.Quim. [online]. 2005, vol.34, n.1, pp.67-78. ISSN 0120-2804.
Controlled washings are made at different periods of time, 6 and 12 hours, with dilute sulfuric solutions 2, 5 and 10% on the lignocellulosic precursor shell of African Palm lowering 50% the ash content of the material. The inmersion enthalpies are determined in the samples with greater degree of activation with results that are between 2 and 10 J.g-1 and are compared with those gotten for activated carbons resulting when the initial material are washed with water during similar periods.
Keywords : activated carbon; ashes; acid washings; immersion calorimetry.