A hanging bag microalgae photoreactor and a hanging bag microalgae cultivation system
The technology of a cultivation system and a photoreactor is applied in the field of hanging bag microalgae photoreactor and hanging bag microalgae cultivation system, which can solve problems such as unfavorable and unfavorable horizontal mixing of gases, and achieve low manufacturing and use costs, which are beneficial Good absorption and light transmission performance
Active Publication Date: 2017-10-10
QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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Problems solved by technology
The above two existing patents are the transformation of the structure of the transverse isolation zone of the commonly used film culture bag at present. Compared with CN102086437A and the prior art, it solves the problems of light transmission and culture layering of the large-diameter single-column photoreactor, but its division The mode is divided from line to point, which are two extreme cases. The vertical isolation zone is consistent with the rising direction of the gas, which is not conducive to the horizontal stirring of the gas in the culture system. The point isolation is not ideal for solving the gas stirring and gas distribution of the culture.
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[0063] Taking the cultivation of chlorella as an example, the source of chlorella is obtained by using a needle tube, and the algae to be cultivated is injected into the hanging bag microalgae photoreactor 1 by using the infusion needle 6, and the infusion and gas pipeline are connected, and the fluorescent lamp is used as the light source for 24 hours. For continuous culture, the light intensity on the cell surface was adjusted to 50 μmol m -2 the s -1 , the ambient temperature is 30°C, after the nutrient solution is added to a certain amount, the nutrient solution is slowly added by titration, and CO is continuously passed into the hanging bag microalgae photoreactor 1 through the air distribution hose 12 every half hour. 2 Mix the gas with air for 5 minutes. With the growth of the culture, the number of algal species will increase continuously, the input liquid will increase, and the gas transmission time will be prolonged. - 2 d -1 , After the culture is over, use the ...
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The invention relates to a hanging bag type microalgae photoreactor and a hanging bag type microalgae cultivation system. The hanging bag microalgae photoreactor includes a reactor body formed by a transparent film bag with the ends closed; the internal space of the transparent film bag is divided into a multi-space structure by at least one partition line, and the partition line has a discontinuous Disconnect segment. The hanging bag microalgae cultivation system includes at least one hanging bag microalgae photoreactor. The hanging bag type microalgae light reactor of the invention has good light transmission performance, increases the residence time of CO2 gas in the water body, and is more conducive to the absorption of CO2 gas by the microalgae culture system. The hanging bag type microalgae cultivation system has a simpler structure, low manufacturing and use costs, and can meet the requirements of closed, clean and high-quality microalgae cultivation.
Description
technical field [0001] The invention relates to a hanging bag type microalgae photoreactor and a hanging bag type microalgae cultivation system, which is a device for carrying out photosynthetic microalgae cultivation by using a transparent film bag. Background technique [0002] Microalgae are able to use simple mineral nutrients to convert CO under photosynthesis (sunlight and artificial lighting) 2 And water is converted into various organic compounds (such as pigments, proteins, amino acids, vitamins and fatty acids, polysaccharides and minerals and other essential nutrients). Due to the high efficiency of light utilization by algae and the rapid and efficient absorption of nutrients from the surrounding environment (such as CO 2 , nitrogen, phosphorus, etc.) and the ability to transform into organic compounds, so that algae have the ability to solve food shortages, energy crises and CO 2 Huge economic potential for emission reductions. [0003] At present, there are ...
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IPC IPC(8): C12M1/00
Inventor 吴怀之
Owner QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI