Modelling of Spirulina platensis growth in fresh water using response surface methodology

被引:122
作者
Costa J.A.V. [1 ]
Colla L.M. [1 ]
Filho P.D. [1 ]
Kabke K. [1 ]
Weber A. [1 ]
机构
[1] Lab. of Biochemical Engineering, Department of Chemistry, Federal Univ. Found. of Rio Grande, Rio Grande, RS 96201-900
关键词
Cyanobacteria; Fresh water; Response surface method; Spirulina;
D O I
10.1023/A:1016822717583
中图分类号
学科分类号
摘要
The influence of nutrient addition on the growth rate of Spirulina platensis in the Mangueira Lagoon water was studied in order to investigate the feasibility of using this water for biomass production. The addition of urea and sodium bicarbonate was studied through surface response methodology, over concentration ranges from 0.0 to 0.01170 M, and 0.0-19.70 g l-1 respectively. The growth of Spirulina platensis in Mangueira Lagoon water with no addition of nutrients was carried out and compared with the biomass growth after nutrient addition. The results indicated that the optimal level of nutrients was 0.00585 M urea and without the addition of sodium bicarbonate. The biomass concentration was 1.4 g l-1 in 780 h of cultivation and the doubling time (td) was 3.85 days. In 300 h, the biomass concentration in the medium without nutrient addition was 0.9 g l-1, with a doubling time of 3.80 days.
引用
收藏
页码:603 / 607
页数:4
相关论文
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