Laboratory of Microbial Ecology and Technology, LETMi-INSAT, The National Institute of Applied Sciences and Technology INSAT, Carthage University, 2 Boulevard de la Terre, B.P 676, 1080 Tunis, Tunisia.
Research and Technology Center of Energy CRTEn, Borj-CedriaTechnopark, B.P N°95, 2050 Hammam Lif, Tunisia.
Bioresour Technol. 2016 May;207:387-98. doi: 10.1016/j.biortech.2016.02.004. Epub 2016 Feb 15.
Energy recovery from lignocellulosic solid marine wastes, Posidonia oceanica wastes (POW) with slow pyrolysis responds to the growing trend of alternative energies as well as waste management. Physicochemical, thermogravimetric (TG/DTG) and spectroscopic (FTIR) characterizations of POW were performed. POW were first converted by pyrolysis at different temperatures (450°C, 500°C, 550°C and 600°C) using a fixed-bed reactor. The obtained products (bio-oil, syngas and bio char) were analyzed. Since the bio-oil yield obtained from POW pyrolysis is low (2wt.%), waste frying oil (WFO) was added as a co-substrate in order to improve of biofuels production. The co-pyrolysis gave a better yield of liquid organic fraction (37wt.%) as well as syngas (CH4,H2…) with a calorific value around 20MJ/kg. The stoichiometric models of both pyrolysis and co-pyrolysis reactions were performed according to the biomass formula: CαHβOγNδSε. The thermal kinetic decomposition of solids was validated through linearized Arrhenius model.
从木质纤维素固体海洋废物、慢热解的海洋波西多尼亚草(POW)中回收能量，符合替代能源以及废物管理的增长趋势。对 POW 进行了物理化学、热重分析(TG/DTG)和光谱(FTIR)特性研究。首先，使用固定床反应器在不同温度(450°C、500°C、550°C 和 600°C)下对 POW 进行热解转化。对得到的产物(生物油、合成气和生物炭)进行了分析。由于从 POW 热解中获得的生物油产率较低(2wt.%)，因此添加了废食用油(WFO)作为共底物，以提高生物燃料的产量。共热解得到了更高的液体有机分数(37wt.%)和具有约 20MJ/kg 高热值的合成气(CH4、H2…)。根据生物质公式：CαHβOγNδSε，对热解和共热解反应的化学计量模型进行了模拟。通过线性化阿仑尼乌斯模型验证了固体的热动力学分解。
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