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Article Information:
Use of Chlorella for the Treatment of the Soft-shelled Turtle Processing Wastewater
Yong-jun Zhang, Dong-yang Su, Gao-fan Zhang, Jia Li, Song-xue Hu, Sheng-hua Han, Ling-tao Zeng and Ting Chen
Corresponding Author: Yongjun Zhang
Submitted: July 12, 2013
Accepted: July 25, 2013
Published: December 05, 2013 |
Abstract:
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The capability of Chlorella vulgaris to remove nitrogen in the form of ammonium ions from the soft-shelled turtle processing wastewater in a local agricultural products limited company (in Hangzhou, China) was studied. The soft-shelled turtle processing wastewater was found to include high concentrations of nitrogen (107.63±4.84 mg/L) in the form of ammonium (NH4+) with the small amounts of nitrite (0.32±0.04 mg/L on annual average) at pH 6.7 and to be suitable for growing Chlorella vulgaris. When Chlorella vulgaris was cultivated in a batch mode, a majority of the nitrogen concentration was dramatically removed after a lag-phase period. The total biomass weight gained during the entire cultivation period balanced out well with the nitrogen removed from the culture medium. These results indicate that Chlorella vulgaris has potential to remove nitrogen (i.e., ammonium ion) and nitrite at a reasonable uptake rate from wastewater while being cultivated using the soft-shelled turtle processing wastewater.
Key words: Chlorella vulgaris, microalgae, nitrogen removal, soft-shelled turtle processing, wastewater, ,
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Cite this Reference:
Yong-jun Zhang, Dong-yang Su, Gao-fan Zhang, Jia Li, Song-xue Hu, Sheng-hua Han, Ling-tao Zeng and Ting Chen, . Use of Chlorella for the Treatment of the Soft-shelled Turtle Processing Wastewater. Advance Journal of Food Science and Technology, (12): 1573-1576.
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ISSN (Online): 2042-4876
ISSN (Print): 2042-4868 |
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