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Hydrothermal Conversion Of Neutral Sulfite Semi-Chemical Red Liquor Into Hydrochar, Ramy Gamgoum, Animesh Dutta, Rafael M. Santos, Yi Wai Chiang
Hydrothermal Conversion Of Neutral Sulfite Semi-Chemical Red Liquor Into Hydrochar, Ramy Gamgoum, Animesh Dutta, Rafael M. Santos, Yi Wai Chiang
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Hydrochar was produced from neutral sulfite semi-chemical (NSSC) red liquor as a possible bio-based solid fuel for use in power generation facilities. Hydrothermal conversion (HTC) experiments were conducted using a fixed liquor-to-water volume ratio of 1:8 and reaction time of 3 h. Solutions were processed using different chemical additives, pH and temperature conditions to determine the optimum conditions required for producing a high energy content solid fuel. The hydrochar samples produced were analyzed by ultimate, thermogravimetric (TGA) and Fourier transform infrared spectroscopy (FTIR) analyses to determine physicochemical properties that are important for utilization as a fuel. The residual process liquids …