The whole process of biofuel production from Desmodesmus sp.EJ 8-10 cultivated in anaerobic digested wastewater(ADW)under the optimal temperature was evaluated by using the method of Life Cycle Assessment(LCA).The ene...The whole process of biofuel production from Desmodesmus sp.EJ 8-10 cultivated in anaerobic digested wastewater(ADW)under the optimal temperature was evaluated by using the method of Life Cycle Assessment(LCA).The energy efficiency and environment emissions were under considerable for the corresponding parametric study.The functional unit was 1 kg microalgae.It was concluded that the harvest stage was responsible for the main energy consumption during the microalgal whole pyrolysis process.The energy conversion efficiency of the whole process was larger than 1,which indicated that the process was profitable.The environmental impact of the whole process was 1165.67 mPET2000,among which the primary impact on the environment was eutrophication that accounts for 57.36%,followed by photochemical ozone synthesis(22.56%),acidification(17.36%);and global warming(2.73%),respectively.展开更多
基金This research was supported by the Beijing Municipal Natural Science Fund-Key project of science and technology plan of Beijing Education Committee(KZ201810011017)Beijing Municipal Education Commission General Project(KM201810011002)+4 种基金Chinese National 13th five-year Plan for Key R&D Projects(2018YFD0400804)the National Natural Science Foundation of China(Grant No.51806242 and No.41942006)Public Opening Project of the Key Laboratory of Development and Application of Rural Renewable Energy,Ministry of Agriculture,China(Grant No.2017008)the Chinese Universities Scientific Fund(Grant No.2019TC010)and the Chinese Universities Scientific Fund-Special Project for“Double First-Class”Initiative of College of Engineering-Agricultural Mechanization and Equipment Engineering,China Agricultural University.We also appreciate for the supports from Beijing Municipal Key Discipline of Biomass Engineering.
文摘The whole process of biofuel production from Desmodesmus sp.EJ 8-10 cultivated in anaerobic digested wastewater(ADW)under the optimal temperature was evaluated by using the method of Life Cycle Assessment(LCA).The energy efficiency and environment emissions were under considerable for the corresponding parametric study.The functional unit was 1 kg microalgae.It was concluded that the harvest stage was responsible for the main energy consumption during the microalgal whole pyrolysis process.The energy conversion efficiency of the whole process was larger than 1,which indicated that the process was profitable.The environmental impact of the whole process was 1165.67 mPET2000,among which the primary impact on the environment was eutrophication that accounts for 57.36%,followed by photochemical ozone synthesis(22.56%),acidification(17.36%);and global warming(2.73%),respectively.
