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The aim of this study was to analyze the pyrolysis of Kraft lignin impregnated with orthophosphoric acid by thermogravimetry (TG-DTG). We studied the effect of various parameters on both the char yield and the rate of mass loss: heat treatment temperature up to 650°C, impregnation time, inclusion of isothermal periods, acid to lignin mass ratio (P/L) and gaseous atmosphere. Decomposition of pure lignin...
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