TY - JOUR
T1 - Nutrient transferring from wastewater to desert through artificial cultivation of desert cyanobacteria
AU - Wu, Li
AU - Zhu, Qiuheng
AU - Yang, Lie
AU - Li, Bolin
AU - Hu, Chunxiang
AU - Lan, Shubin
PY - 2018/1/1
Y1 - 2018/1/1
N2 - Realizing the reasonable allocation of resources is possible to solve the dual problems of resources and environment. Therefore, in this study desert cyanobacterium Scytonema javanicum was cultivated in artificial synthetic wastewater to explore the feasibility of nutrient transferring from wastewater to desert. After inoculation, S. javanicum grew well in the wastewater; nitrogen and phosphorus were gradually removed from the wastewater. In general, cyanobacterial biomass, exopolysaccharide content, COD, nitrogen and phosphorus contents were all significantly affected by the cultivation time, wastewater dilution treatment and their interaction (P < 0.001). Comprehensively considering the producing period, biomass accumulation and nutrient removal efficiency, cultivation time of cyanobacterium S. javanicum in the synthetic wastewater should be controlled around 20 days, with wastewater dilution ratio at 1:1. Conclusively, desert cyanobacterium S. javanicum is a promising species for nutrient transferring from wastewater to desert, and its maximum biomass yield could reach 3.91 mg Chl-a L−1 in the synthetic wastewater
AB - Realizing the reasonable allocation of resources is possible to solve the dual problems of resources and environment. Therefore, in this study desert cyanobacterium Scytonema javanicum was cultivated in artificial synthetic wastewater to explore the feasibility of nutrient transferring from wastewater to desert. After inoculation, S. javanicum grew well in the wastewater; nitrogen and phosphorus were gradually removed from the wastewater. In general, cyanobacterial biomass, exopolysaccharide content, COD, nitrogen and phosphorus contents were all significantly affected by the cultivation time, wastewater dilution treatment and their interaction (P < 0.001). Comprehensively considering the producing period, biomass accumulation and nutrient removal efficiency, cultivation time of cyanobacterium S. javanicum in the synthetic wastewater should be controlled around 20 days, with wastewater dilution ratio at 1:1. Conclusively, desert cyanobacterium S. javanicum is a promising species for nutrient transferring from wastewater to desert, and its maximum biomass yield could reach 3.91 mg Chl-a L−1 in the synthetic wastewater
KW - cyanobacteria
KW - cultivation
KW - wastewater
KW - nutrient
KW - desert
U2 - 10.1016/j.biortech.2017.09.127
DO - 10.1016/j.biortech.2017.09.127
M3 - Article
C2 - 30060434
SN - 0960-8524
VL - 247
SP - 947
EP - 953
JO - Bioresource Technology
JF - Bioresource Technology
ER -