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A kind of algae secondary cultivation device and cultivation method thereof

A technology of secondary culture and culture method, which is applied in the directions of single-cell algae, biochemical cleaning devices, microorganism-based methods, etc., to achieve the effect of convenient subculture, reduced workload, and small size

Inactive Publication Date: 2015-09-16
NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a secondary culture device to ensure the normal growth of algae, which can make the algae grow stably under artificial control conditions and meet the needs of various research work

Method used

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  • A kind of algae secondary cultivation device and cultivation method thereof
  • A kind of algae secondary cultivation device and cultivation method thereof
  • A kind of algae secondary cultivation device and cultivation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] In this embodiment, Figure 1 ~ Figure 4 The reference signs correspond to the following: 1 perforated movable cover plate; 2 reflective device; 3 light source loading device; 4 gas loading device; 5 culture container; 6 movable pulley; 7 light source; 8 fixed ring; 9 "Z" type reflector; 10 Air filter valve; 11 Air volume control valve; 12 Inlet pipe; 13 Outlet valve; 14. Cotton plug or silicone plug; 15. Scale; 16. Short side of support plate; 17, Long side of support plate; 18. Stainless steel Column; 19, thin column; 20, vertical steel frame.

[0033] Such as figure 1 As shown, this embodiment discloses a secondary algae cultivation device, which includes a bottom support plate, and a reflector 2 is fixed on the bottom support plate to form a frame. The support plate is preferably stainless steel; a movable cover plate with holes mounted on the reflector 2 1. The perforated movable cover just covers the frame of the reflector; the perforated movable cover is provided w...

Embodiment 2

[0039] A method for culturing common algae using the above-mentioned device, the method includes the following steps:

[0040] A. Pour 2L of culture solution into the culture vessel under indoor conditions of 25±2℃. The culture solution can be tap water, culture medium or other water. The culture container and water are selectively sterilized according to the culture target. Inoculate algae into the culture vessel to a concentration of 10 4 Pcs / mL, the algae used for inoculation has no pollution and reaches a stable logarithmic growth phase.

[0041] B. The culture container is fixed in the algae cultivation device, the light source loading device and the gas loading device are turned on, and the algae density is observed after 4 days of continuous operation. During this process, the light source loading device operates according to the ratio of light to dark time of 16:8. The gas loading device, the loading gas volume is to form a series of bubbles.

[0042] C. Take a small amount...

Embodiment 3

[0043] Example 3: Cultivation of 5 common algae species

[0044] Algae is the most important primary producer in the water ecosystem and the main supplier of dissolved oxygen in the water. Algae are the direct or indirect food for fish and other economic animals, and are of great significance in determining the performance of waters. Researchers are focusing more and more on algae, and the expansion of indoor secondary cultivation is becoming more and more important. The use of a two-stage expansion culture device can easily obtain a pure culture solution of multiple algae species to meet the needs of research workers. In this study, five kinds of algae were cultivated to find out the growth status of the algae under the device.

[0045] 1 Culture materials

[0046] Chlamydomonas reinhardtii (Chlamydomonas reinhardtii), Selenastrum capricornutum (Selenastrum capricornutum), Chlorella pyrenoidosa (Chlorella pyrenoidosa), Scenedesmus obliquus (Scenedesmus obliquus), Chlorella vulgari...

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Abstract

The invention discloses a secondary culture apparatus for alga, which comprises a bottom support plate, a reflective device is fixed on the bottom support plate so as to form a frame, a movable cover plate with holes is carried on the reflective device, and a gas loading device is placed on the movable cover plate with holes; and a light source loading device is carried on the reflective device, and the light source loading device and an alga culture vessel are arranged in the frame. The light source loading device comprises a vertical steel frame, a steel stainless column and a fine column with a fixed ring, wherein the vertical steel frame is arranged at the middle position of the short side edge of the support plate, the steel stainless column is arranged at the middle position of the steel frame, the fine column extends out of the steel stainless column, and a light source is arranged on the steel stainless column; the fixed ring is used for placing the alga culture vessel; the gas loading device comprises a gas pump and a gas inlet pipe connecting the gas pump and the alga culture vessel, and the gas inlet pipe is provided with a gas mass regulating valve and a gas filtering valve; and an opening at the upper part of the culture vessel is provided with a cotton plug or a silica gel plug, and an opening at the bottom of the culture vessel is provided with a liquid outlet valve. The invention also discloses a secondary culture method for alga.

Description

Technical field [0001] The invention relates to a phytoplankton cultivation method, in particular to an algae secondary cultivation device and a cultivation method thereof. Background technique [0002] There are about 40,000 species of algae in the world, of which there are about 25,000 species of freshwater algae, and about 9,000 species of freshwater algae have been discovered in China. Algae are widely distributed on the earth, from the hot equator to the perennially frozen polar regions. [0003] Algae is not only the most important primary producer in the water ecosystem, but also the main supplier of dissolved oxygen in the water. Algae produce organic carbon through photosynthesis while fixing nitrogen. The total amount of organic carbon produced by algae is about 7 times that of higher plants, and it can fix approximately 170 million tons of nitrogen each year. Algae are the direct or indirect food for fish and other economic animals, and are of great significance in det...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/00C12M1/04C12N1/12C12R1/89
CPCC12M21/02C12M29/04C12M31/08C12M31/10C12N1/12
Inventor 续卫利姜锦林周军英单正军田丰王赵青
Owner NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA