Hydrothermal liquefaction of Ulva prolifera macroalgae and the influence of base catalysts on products.Hydrothermal liquefaction of Ulva prolifera macroalgae (UM), an aquatic biomass, was carried out in an autoclave reactor at different temperature (270, 290 and 310 °C) and reaction holding time (10, 20 and 30 min.). 
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