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Many studies have used the Life Cycle Assessment (LCA) methodology to assess the environmental impacts and energetic suitability of microalgal biofuels. This paper presents a critical review focused on goal and scope, system boundaries, functional unit, Life Cycle Inventories (LCI) and environmental impacts of 41 LCA of algal biofuels. The comparison between these LCA has been made difficult by the...
The conversion of sunflower oil cake (SOC) into methane by mesophilic anaerobic digestion was the object of this study. The effect of a combined dilute acid-thermal pretreatment (acid concentration and temperature) on solubilisation and methane potential was investigated using a central composite design (CCD). For temperatures up to 170°C, solubilisation of each parameter (total organic carbon, sugars...
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