This research aimed to evaluate hygroscopicity of charcoal produced under four different final carbonization temperatures. For evaluation of hygroscopicity charcoal samples were conditioned in environments with controlled temperature and relative humidity, using saturated salt solutions. The final carbonization temperature significantly influenced the products yields and the properties of charcoal. The charcoal produced in the final temperature of 750 °C showed the highest adsorption capacity of water, indicated by the moisture content after conditioning, in the higher relative humidity environment. Correlations were observed between adsorbed moisture and the porosity of charcoal produced. HIGROSCOPICIDADE DO CARVÃO VEGETAL PRODUZIDO EM DIFERENTES TEMPERATURASRESUMO: Este estudo teve por objetivo analisar a higroscopicidade do carvão vegetal produzido em quatro diferentes temperaturas finais de carbonização. Para avaliação da higroscopicidade as amostras de carvão vegetal foram acondicionadas em ambientes com temperatura e umidade relativa controladas, utilizando-se soluções salinas saturadas. Os rendimentos dos produtos da carbonização e as características do carvão vegetal foram significativamente influenciados pelas temperaturas finais de carbonização. O carvão vegetal produzido sob a temperatura final de 750 ºC apresentou a maior capacidade de adsorção de água, indicada pela umidade após o acondicionamento. Verificaram-se correlações entre a umidade adsorvida e a porosidade do carvão vegetal produzido.
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