A novel procedure for the conversion of waste algae waste, remaining from biodiesel production, into gas, liquid products and porous carbon has been developed. The precursor, algae waste is studied by thermogravimetric and differential thermal analysis. First algae material is subjected to pyrolysis at 550 °C, and the composition of evolving gas and liquid products is studied—dominant content of polar compounds in the liquid products is determined. The solid product after pyrolysis is subjected to hydro-pyrolysis (physical activation with water vapor) at different temperatures. The pore structure of the obtained carbon after activation at pre-determined optimal temperature is investigated by nitrogen adsorption porosimetry, which demonstrate moderate surface area, microporosity and mesoporosity, developed during activation process. Presence of oxygen functional groups with weak acidic and basic nature is established.

已经开发了一种将生物柴油生产中剩余的废藻类废物转化为气体，液体产品和多孔碳的新方法。通过热重分析和差热分析研究了前体藻类废物。首先将藻类材料在550°C的温度下进行热解，然后研究不断演变的气体和液体产物的组成-确定液体产物中极性化合物的主要含量。热解后的固体产物在不同温度下进行加氢热解（用水蒸气物理活化）。通过氮气吸附孔隙率法研究了在预定的最佳温度下活化后获得的碳的孔结构，结果表明在活化过程中形成了中等的表面积，微孔和中孔。