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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.11 P.1846-1852


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

Author(s):  FENG Dao-lun, WU Zu-cheng, WANG Da-hui

Affiliation(s):  Department of Environmental Science and Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   fengdaolun2000@yahoo.com.cn, wuzc@zju.edu.cn

Key Words:  Arthrospira platensis, Human urine, N source, Nitrification, Bioregenerative life support system (BLSS)

FENG Dao-lun, WU Zu-cheng, WANG Da-hui. Effects of N source and nitrification pretreatment on growth of Arthrospira platensis in human urine[J]. Journal of Zhejiang University Science A, 2007, 8(11): 1846-1852.

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%A WANG Da-hui
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%DOI 10.1631/jzus.2007.A1846

T1 - Effects of N source and nitrification pretreatment on growth of Arthrospira platensis in human urine
A1 - FENG Dao-lun
A1 - WU Zu-cheng
A1 - WANG Da-hui
J0 - Journal of Zhejiang University Science A
VL - 8
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2007.A1846

Culture of Arthrospira platensis (Spirulina platensis) 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 Arthrospira platensis in nitrified human urine for food production within bioregenerative life support systems (BLSSs).

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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