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Valorization of algal waste via pyrolysis in a fixed-bed reactor: Production and characterization of bio-oil and bio-char

The aim of the present work is to develop processes for the production of bio-oil and bio-char from algae waste using the pyrolysis at controlled conditions. The pyrolysis was carried out at different temperatures 400600C and different heating rates 550C/min. The algal waste, bio-oil and bio-char were successfully characterized using Elemental analysis, Chemical composition, TGA, FTIR, 1H NMR, GCMS and SEM. At a temperature of 500C and a heating rate of 10C/min, the maximum yield of bio-oil and bio-char was found to be 24.10 and 44.01wt%, respectively, which was found to be strongly influenced by the temperature variation, and weakly affected by the heating rate variation. Results show that the bio-oil cannot be used as bio-fuel, but can be used as a source of value-added chemicals. On the other hand, the bio-char is a promising candidate for solid fuel applications and for the production of carbon materials.

» Author: A. Aboulkas, H. Hammani, M. El Achaby, E. Bilal, A. Barakat, K. El harfi

» Reference: Bioresource Technology, Volume 243

» Publication Date: 01/11/2017

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This project has received funding from the European Unions Horizon 2020 research and innovation program under grant agreement N 690103