Massaranduba Sawdust: A Potential Source of Charcoal and Activated Carbon.

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ID: 11492
2019
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Abstract
This paper provides proof of concept that activated carbon (AC) may be readily produced using limited conversion methods and resources from sawdust of massaranduba () wood, thereby obtaining value-added products. Sawdust was sieved and heat-treated in an oxygen-free muffle furnace at 500 °C to produce charcoal. The charcoal was activated in a tubular electric furnace at 850 °C while being purged with CO gas. Microstructural, thermal and physical properties of the three components: sawdust, charcoal and AC were compared by means of field emission scanning electron microscopy (FESEM), X-ray diffractometry (XRD), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), density and water adsorption/desorption measurements. The resulting AC had a large surface area as measured by Brunauer-Emmett-Teller (BET) comparable to other such values found in the literature. The large surface area was due to pore development at the microstructural level as shown by FESEM. XRD illustrated that sawdust had a semi-crystalline structure whereas charcoal and AC evidenced mostly amorphous structures. TGA and DSC showed that AC had high reactivity to moisture compared to sawdust and charcoal.
Reference Key
castro2019massarandubapolymers Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Castro, Jonnys P;Nobre, João Rodrigo C;Napoli, Alfredo;Bianchi, Maria Lucia;Moulin, Jordão C;Chiou, Bor-Sen;Williams, Tina G;Wood, Delilah F;Avena-Bustillos, Roberto J;Orts, William J;Tonoli, Gustavo H D;
Journal Polymers
Year 2019
DOI
E1276
URL
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