| 摘要 |
An apparatus for carrying out algae intensive-cultivation while conducting an environmental control most suitable for growth of algae in an artificial environment including dissolved gas, light, temperature, nutrient source and sanitary atmosphere; and a method of intensive cultivation therewith. There is provided an apparatus comprising water tank (1) for cultivating unialgae as seedling; gas dissolution diffusion units (3-a, 3-b) for achieving dissolution of a gas in a culture water of the water tank; light irradiation units (10, 11) for irradiating the water tank with light whose wavelength and illuminance are controlled; temperature control unit (20) for controlling the temperature of the culture water of the water tank so as to fall within a given range; nutrient salts adding unit (17) for adding to the water tank a nutrient liquid containing an essential nutrient source vital to the growth of algae; purification unit (12) for carrying out bacterial eradication and filtration of the culture water of the water tank; and meters for control of the above units.
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