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KMID : 0545119930030010019
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Journal of Microbiology and Biotechnology
1993 Volume.3 No. 1 p.19 ~ p.23
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Growth of Spirulina platensis in Effluents from Wastewater Treatment Plant of Pig Farm
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Hong Seok-San
Lee Nam-Hyung
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Abstract
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Spirulina platensis NIES 39 was grown in effluents from a wastewater treatment plant utilizing activated sludge process at a pig farm to reduce pollutants and to produce feed resources. The addition of 2g/ℓ NaCl was required for the growth of S. platensis in the effluents with about 100㎎/ℓ ammonia nitrogen concentration. The growth was stimulated by the addition of 2 g/ℓ sodium bicarbonate and 4㎎/ℓ ferrous sulfate. The microorganism grew well at pH 8∼11, and the optimum pH for the growth was 10. The algal concentration of 1.1g/ℓ was attained after 8 days of growth at the optimum condition with the removal of 95% ammonia nitrogen and 34% phosphorus.
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