PRODUÇÃO DE CARVÃO VEGETAL A PARTIR DA CARBONIZAÇÃO  DE CAPIM  ELEFANTE  (Pennisetum purpureum Schum.)

Vieira, Sabrina Mara de Macedo; Vieira, Francine Silveira; Carvalho, C. C. C.; Trindade, Luis Carlos; França, Alexandre Bôscaro

doi:10.18540/jcecvl3iss8pp1114-1117

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“…PET and HDPE are easily separable from other solid wastes and have an average higher heating value close to biomass charcoal. Thus, elephant grass charcoal has been produced according to a preset rate heating 12 , blended and pelletized with recyclable thermoplastic binders (PET and HDPE). The obtained material has been characterised through physicochemical tests, such as high heating value (HHV), immediate chemical analysis, thermogravimetric analysis/differential scanning calorimety (TGA/DSC) and briquette compressive strength.…”

Section: Introductionmentioning

confidence: 99%

Physicochemical Properties of a Solid Fuel from Biomass of Elephant Grass Charcoal (Pennisetum purpureum Schum.) and Recyclable PET and HDPE

et al. 2020

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In the search for new solid fuels that can mitigate emissions of greenhouse gases and reduce municipal solid waste, it is proposed to produce a solid fuel from elephant grass charcoal (EGC) and blend it with the following binding recyclable materials, polyethylene terephthalate (PET) and high-density polyethylene (HDPE) with the aim of increasing their mechanical strength. Immediate analysis results indicate that there was an increase in volatile material content from 21.18% to 28.02% and a reduction in fixed carbon from 65.00% to 58.40% with the addition of binding agents. The higher heating value of pure charcoal was 5924.16 kcal/kg and there was no significant alteration by adding HDPE, however, with the addition of PET, there was an average reduction of 4.82%. According to the elemental analysis of charcoal, there were no significant amounts of sulphur, but silicon and potassium oxides were predominantly composed followed by aluminium, titanium, magnesium and iron according to the analysis of ashes. The addition of thermoplastic binders allowed producing pellets and it was found that those produced by using HDPE are stronger than those produced with PET.

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Section: Introductionmentioning

confidence: 99%