Insight into hydroxides-activated coals: chemical or physical activation?

  title={Insight into hydroxides-activated coals: chemical or physical activation?},
  author={Juan Alca{\~n}iz-Monge and Maria-Jose Ill{\'a}n-G{\'o}mez},
  journal={Journal of colloid and interface science},
  volume={318 1},
The objective of this paper is to get an insight into the chemical activation mechanism using KOH and NaOH as activated agents. Three coals have been selected as carbon precursors. It was found that KOH and NaOH develop a similar narrow microporosity, independently of the coal rank, whereas only KOH generates supermicroporosity. Temperature-programmed desorption experiments, carried out with impregnated anthracite, show differences on the gas evolved during the activated carbon preparation… CONTINUE READING

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