Massive cultivation of microalgae: Results and prospects |
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Authors: | Carl J. Soeder |
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Affiliation: | (1) Institut für Biotechnologie III der Kernforschungsanlage Jülich GmbH, Postfach 1913, 5170 Jülich, Federal Republic of Germany |
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Abstract: | An account is given of the development of the utilization of microalgae for food and feed with special emphasis on the advantages of algal technologies for tropical and subtropical countries. The present status of microalgae mass production is characterized with respect to technology, product properties, yields, nutrition, toxicology and economics. As a multipurpose operation, the treatment of liquid wastes with algae-bacteria systems is the most promising microalgal technology. It yields proteinaceous microbial biomass as a comparatively inexpensive by-product of the operation of high-rate algal ponds, either at the simplified rural level or at the technically more elaborate industrial level. The aspect of hard-currency saving by employing algae-bacteria systems in sewage treatment for animal feed production is stressed. |
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Keywords: | Microalgae bacteria biotechnology sewage treatment protein nutrition Scenedesmus Spirulina |
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