Study on the Correlation of N, P Nutrients and Chlorella Growth

Jun Sen Wu; Rui Bao Jia; Bing Li; Chen Chen Liu

doi:10.4028/www.scientific.net/AMM.641-642.1183

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 641-642Study on the Correlation of N, P Nutrients and...

Study on the Correlation of N, P Nutrients and Chlorella Growth

Abstract:

In this paper, the Chlorella vulgaris in Yellow River Diversion reservoir was selected as experimental subjects to cultivate in laboratory. The the relationship between algae biomass and N,P was studied from the following aspects：the type of nitrogen source, the concentration of N and P，and the ratio of N and P. It was found that KNO₃ was one of the best nitrogen source for growth of Chlorella vulgaris. Chlorella vulgaris can live at the lower N concentration, while it was very difficult to survive in the absence of P. So P is the limiting factor for its growth. In addition, the optimum ratio of nitrogen to phosphorus was 16:1, for Chlorella vulgaris’s growth. It was similar to the algae outbreak in the water eutrophication, glycine as the Chlorella nutrition, the algae grew slow at early and later rapid.

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Periodical:

Applied Mechanics and Materials (Volumes 641-642)

Pages:

1183-1186

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.641-642.1183

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Online since:

September 2014

Authors:

Jun Sen Wu, Rui Bao Jia, Bing Li, Chen Chen Liu

Keywords:

Chlorella Vulgaris, Nitrogen Source, Nitrogen to Phosphorus Ratio, Optical Density, Phosphorus Source

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