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The effect of additives, such as an inorganic alkali and a nickel catalyst, on the hydrothermal process was examined to generate hydrogen from biomass with high selectivity at relatively low temperatures around 400°C. At first, a cellulose sample as model biomass was subjected to the hydrothermal process at 400°C under 25MPa in the presence of an alkali (Na 2 CO 3 ) and a nickel catalyst...
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