10.6084/m9.figshare.9696701.v1
Laura Cecilia Müller
Laura Cecilia
Müller
Alcione Aparecida de Almeida Alves
Alcione Aparecida de Almeida
Alves
Renata Iza Mondardo
Renata Iza
Mondardo
Maurício Luiz Sens
Maurício Luiz
Sens
Methylene blue adsorption in Pinus elliottii (pine) and Drepanostachyum falcatum (bamboo) sawdust
SciELO journals
2019
adsorption
pine
bamboo
methylene blue
2019-08-21 02:42:22
Dataset
https://scielo.figshare.com/articles/dataset/Methylene_blue_adsorption_in_Pinus_elliottii_pine_and_Drepanostachyum_falcatum_bamboo_sawdust/9696701
<p></p><p>ABSTRACT Kinetics, equilibrium and thermodynamic adsorption parameters were investigated for the adsorption of the methylene blue dye (MB) by means of the biosorbents Pinus elliottii (pinus) and Drepanostachyum falcatum (bamboo). The adsorption kinetics were described more precisely by the pseudo-second order model; the monocomponent equilibrium’s data were better represented by the Langmuir isotherm for the three temperatures studied (15, 25 and 35°C) and the thermodynamic parameters showed the adsorption process is exothermic, of a chemical nature and not spontaneous. The maximum adsorptive capacity of pinus was 47 mg L-1 and 38 mg L-1 bamboo for adsorption tests performed with MB (100 mg L-1 at 35°C). Finally, the biosorbents were considered promising for the adsorbate MB removal in aqueous matrix under pH value close to neutrality (6.5).</p><p></p>