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Effects of N source and nitrification pretreatment on growth of Arthrospira platensis in human urine

Effects of N source and nitrification pretreatment on growth of Arthrospira platensis in human urine

作     者:FENG Dao-lun WU Zu-cheng WANG Da-hui 

作者机构:Department of Environmental Science and Engineering Zhejiang University Hangzhou 310027 China 

出 版 物:《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 (浙江大学学报(英文版)A辑(应用物理与工程))

年 卷 期:2007年第8卷第11期

页      面:1846-1852页

核心收录:

学科分类:083001[工学-环境科学] 0830[工学-环境科学与工程(可授工学、理学、农学学位)] 07[理学] 08[工学] 09[农学] 0903[农学-农业资源与环境] 0713[理学-生态学] 

基  金:Project (No. 10376032) supported by the Natural Science Association Foundation of China (NSAF) 

主  题:Arthrospira platensis Human urine N source Nitrification Bioregenerative life support system (BLSS) 

摘      要:Culture ofArthrospiraplatensis (Spirulinaplatens) in human urine was investigated to get valuable biomass. NO3-N was the proper N source, in comparison with other N source, including urea, NH4-N and NO2-N. As a result, aerobic nitrification of human urine was performed, with above 93.6% nitrification percentage finally achieved with total-N (TN) load of 46.52 mg/(L.d), in which Arthrospira platensis was successfully grown. The main compositions of the obtained biomass are close to those in Zarrouk medium. Thus, it is possible to culture Arthrospiraplatensis in nitrified human urine for food production within bioregenerative life support systems (BLSSs).

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