CN102453674A - Photobioreactor system - Google Patents

Photobioreactor system Download PDF

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Publication number
CN102453674A
CN102453674A CN201010513128XA CN201010513128A CN102453674A CN 102453674 A CN102453674 A CN 102453674A CN 201010513128X A CN201010513128X A CN 201010513128XA CN 201010513128 A CN201010513128 A CN 201010513128A CN 102453674 A CN102453674 A CN 102453674A
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bioreactor
reflector
photo
reflex reflector
reflex
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CN102453674B (en
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杨建强
罗少敬
石蕾
许民
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ENN Science and Technology Development Co Ltd
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ENN Science and Technology Development Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/02—Photobioreactors
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M31/00—Means for providing, directing, scattering or concentrating light
    • C12M31/02—Means for providing, directing, scattering or concentrating light located outside the reactor
    • C12M31/04—Mirrors
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/06—Means for regulation, monitoring, measurement or control, e.g. flow regulation of illumination
    • C12M41/08—Means for changing the orientation
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Wood Science & Technology (AREA)
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  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
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Abstract

The invention discloses a photobioreactor system, which contains a photobioreactor and a reflection device. The reflection device is constructed in a manner that it reflects sunlight on the photobioreactor. According to the photobioreactor system, sunlight area and sunlight intensity of the photobioreactor can be increased, so as to raise sunlight utilization efficiency of a photosynthetic organism inside the photobioreactor.

Description

Photo-bioreactor system
Technical field
The present invention relates to a kind of photo-bioreactor system.
Background technology
Bioreactor is meant one type of device of the cultivation of the tissue that can be used for photosynthetic microorganism and have photosynthetic capacity or cell.Receive light intensity and the light-receiving area that improve bioreactor can effectively improve the optical energy utilization efficiency of photosynthetic microorganism, can realize the high-density culture of photosynthetic organism and obtain higher unit surface or the volume biomass yield.The especially unicellular little algae of algae can be effectively utilized luminous energy, CO 2With inorganic salts synthetic protein, fat, glucide and multiple high added value biologically active substance, so present bioreactor is widely used in the high-density culture of little algae.
Little algae is a kind of photoautotroph, only influences one of main limiting factor of its living weight in little algae autotrophy process.Increase the light-receiving area of bioreactor in little algae culturing process and receive light intensity can improve the utilising efficiency of little algae, thereby reach the purpose that improves micro algae biomass light.But, receive sun east and rise the influence that the west falls, the bioreactor light-receiving area with in one day, altered a great deal by light intensity, little algae is lower to the utilising efficiency of sunshine.
In addition, little algae mainly is the visible light that utilizes in the daylight in process of growth, and infrared rays in the daylight and ultraviolet ray then can not be utilized by little algae.Infrared rays and ultraviolet ray can cause the algae liquid temp to raise, and cause little algae dead.
Summary of the invention
Consider that the problems referred to above have proposed the present invention.The invention provides a kind of photo-bioreactor system, comprising: bioreactor; And reflex reflector, said reflex reflector is configured to said bioreactor reflected sunlight.
Photo-bioreactor system according to the present invention comprises reflex reflector, is used for to the bioreactor reflected sunlight, therefore can increase the light quantity that shines bioreactor, thereby improves the utilising efficiency of bioreactor to sunshine.
According to one embodiment of present invention, said reflex reflector comprises thermal isolation film, and the visible light of said thermal isolation film in can reflected sunlight absorbs infrared rays and ultraviolet ray in the sunshine simultaneously.Thereby, through reflex reflector, both increased the light quantity that shines bioreactor, can not cause the inner culture-liquid temp of bioreactor to raise again, thereby help the cultivation of little algae.
According to one embodiment of present invention; Said bioreactor is for having first side and the second lateral board-like bioreactor, and said reflex reflector is configured to a part of light that shines from a side at place, said first side is reflexed on said second side.Therefore; Photo-bioreactor system according to this embodiment; Can avoid bioreactor under sunshine, to cultivate biological substance and for example rise a sidelight that the west falls to causing phenomenon because of the east of the sun during little algae according to undercapacity; Thereby improve the utilising efficiency of biological substance, realize improving the purpose of output light.
According to one embodiment of present invention, said photo-bioreactor system further comprises the groove that is positioned at said bioreactor below, and said reflex reflector is arranged in the said groove.
Said reflex reflector can be the reflector with semi-ellipsoidal cross section.
Alternatively, said reflex reflector can be two reflectors that connect pivotly through pivot, the said bottom that is pivotally mounted in said groove.
According to one embodiment of present invention, on the opening of said groove, cover transparent cover plate, said bioreactor is arranged on the said transparent cover plate.
Alternatively, said reflex reflector is provided with automatic angle adjusting mechanism, is used for regulating automatically the angle of each reflector.
According to one embodiment of present invention, said reflex reflector is arranged on a side of said board-like bioreactor, and comprises the reflector that polylith connects pivotly.
According to one embodiment of present invention, said bioreactor is a runway pond type bioreactor, and said reflex reflector is arranged on a side of said bioreactor, and comprises the reflector that polylith connects pivotly.
Can be provided with tourelle on the nethermost reflector in the said polylith reflector, so that move said reflex reflector.
According to one embodiment of present invention, the outside surface of bioreactor is provided with thermal isolation film, and said thermal isolation film can make the visible light transmissive in the sunshine, absorbs infrared rays and ultraviolet ray in the sunshine simultaneously.
In order to make the object of the invention, characteristic and the advantage can be more obviously understandable, the present invention be described further below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the cross sectional representation according to the photo-bioreactor system of the first embodiment of the present invention;
Fig. 2 is the cross sectional representation according to the photo-bioreactor system of second embodiment of the present invention;
Fig. 3 is the side schematic view of the photo-bioreactor system of a third embodiment in accordance with the invention;
Fig. 4 is the structural representation of the reflex reflector in the photo-bioreactor system shown in Fig. 3; And
Fig. 5 is the synoptic diagram of the photo-bioreactor system of a fourth embodiment in accordance with the invention.
Embodiment
Below only through example shows embodiment of the present invention.The present invention also can implement or use through other different mode, and each item details in this specification sheets can be carried out various adjustment and change under the situation that does not deviate from general plotting of the present invention.Moreover accompanying drawing is only explained basic conception of the present invention in a schematic way, thus not necessarily drafting in proportion of diagram, and only show the parts relevant in the diagram with the present invention, but obvious the present invention can comprise other parts according to practical application.In following explanation, similar parts like the Reference numeral representation class.
First embodiment
Fig. 1 shows the cross sectional representation according to the photo-bioreactor system 10 of the first embodiment of the present invention.As shown in Figure 1, photo-bioreactor system 10 comprises bioreactor 1 and reflex reflector 2.Bioreactor 1 is board-like bioreactor, and the flat plate shaped container of for example long 6m, high 0.8-1.0m, wide 3-5cm holds nutrient solution in it, and for example little algae is suspended in the said nutrient solution biological substance to be cultivated.Reflex reflector 2 shown in Figure 1 is the reflectors with semi-ellipsoidal cross section.Correspondingly, below board-like bioreactor 1, being provided with xsect is half elliptic lengthwise groove 3, is used to lay reflex reflector 2.Groove 3 for example can be the lengthwise groove that digs along North and South direction at subsurface, and its xsect is a half elliptic.On the opening of groove 3, cover transparent cover plate 4, bioreactor 1 is arranged on the said transparent cover plate 4, places along North and South direction, on east-west direction, roughly is positioned at the central position of groove 3.The size that it will be understood by those skilled in the art that groove 3 and reflex reflector 2 can suitably be provided with according to the size of board-like bioreactor, to reach best luminous reflectance effect.And the xsect of groove 3 also can be set to other shape, for example rectangle.
As shown in Figure 1, bioreactor 1 North and South direction is placed.When the morning, the sun comes up in the east, bioreactor A side was a sensitive surface, and the B side is a shady face.At this moment, a part of solar ray R1 that shines from a side at place, A side shines on the half elliptic reflex reflector 2, through after the reflection of reflex reflector 2, shines on the B side of bioreactor.Thereby, increased the lateral intensity of illumination of the insufficient B of the quantity of illumination, promote that near the microalgae cell the B side fully absorbs light.
On the contrary, when afternoon, the sun was to the west, bioreactor B side was a sensitive surface, and the A side is a shady face.At this moment, a part of solar ray that shines from a side at place, B side shines on the half elliptic reflex reflector 2, through after the reflection of reflex reflector 2, shines on the A side of bioreactor.Thereby, increased the more weak lateral illumination of A of the quantity of illumination, promote that near the microalgae cell the A side fully absorbs light.
Therefore; Owing to be provided with reflex reflector 2; The A side and the B side of bioreactor 1 always can receive sunlight in one day; Thereby improved the illuminating area of board-like bioreactor and received light intensity, avoided influencing optical energy utilization efficiency because of illumination is not enough because of photosynthetic organism in the mobile bioreactor that causes of the sun.
In addition; The disadvantageous effect that infrared rays in the sunshine and ultraviolet ray are cultivated little algae; One deck thermal isolation film can be set on the reflective surface of reflex reflector 2, and the visible light of said thermal isolation film in can reflected sunlight absorbs infrared rays and ultraviolet ray in the sunshine simultaneously.Thereby the reflex reflector 2 through having thermal isolation film had both increased the light quantity that shines bioreactor 1, can not cause bioreactor 1 inner culture-liquid temp to raise again, thereby help the cultivation of little algae.Thermal isolation film can adopt the mould material that can absorb ultraviolet ray and infrared rays also can reflect visible light commonly used.
In addition; Thermal isolation film can be arranged on the outside surface of bioreactor 1; This thermal isolation film can make the visible light transmissive in the sunshine; Absorb infrared rays and ultraviolet ray in the sunshine simultaneously, thereby avoid infrared rays and ultraviolet ray to cause the algae liquid temp in the bioreactor to raise, cause little algae dead.
Second embodiment
Fig. 2 shows the cross sectional representation of photo-bioreactor system 20 according to a second embodiment of the present invention.The photo-bioreactor system of second embodiment and first embodiment are roughly similar.Therefore, mainly the part that is different from first embodiment is described below.
As shown in Figure 2, photo-bioreactor system 20 comprises bioreactor 1 and reflex reflector 2.Bioreactor 1 is the board-like bioreactor of similar Fig. 1.But in the embodiment of Fig. 2, reflex reflector 2 is two reflectors 21 and 22 that connect pivotly through pivot 5.In addition, groove 3 shown in Figure 2 has rectangular cross section.Pivot 5 is fixed on the approximate centre position, bottom of rectangle groove 3.Bioreactor 1 is arranged on the transparent cover plate 4 as the embodiment of Fig. 1.Similarly, on the reflective surface of reflector 21 and 22, can be provided with thermal isolation film, be used to absorb infrared rays and ultraviolet ray, simultaneously reflect visible light.
As shown in Figure 2, bioreactor 1 North and South direction is placed.When the morning, the sun comes up in the east, bioreactor A side was a sensitive surface, and the B side is a shady face.At this moment, a part of light R1 that shines from a side at place, A side shines on the reflector 22, through after the reflection of reflector 22, shines on the B side of bioreactor.Thereby, increased the more weak lateral illumination of B of the quantity of illumination, promote that near the microalgae cell the B side fully absorbs light.
On the contrary, when afternoon, the sun was to the west, bioreactor B side was a sensitive surface, and the A side is a shady face.At this moment, a part of solar ray that shines from a side at place, B side shines on the reflector 21, after reflector 21 reflections, shines on the A side of bioreactor.Thereby, increased the more weak lateral illumination of A of the quantity of illumination, promote that near the microalgae cell the A side fully absorbs light.
Therefore, second embodiment can obtain to be similar to the beneficial effect of first embodiment.
In addition; According to second embodiment since reflector 21 and 22 angle or be orientated adjustable, therefore; Can be along with the variation of the irradiating angle of solar ray in a day; Regulate reflector 21 or 22 or the angle of regulating both simultaneously,, thereby obtain best reflecting effect so that the light that shines on the reflector can suitably reflex on the shady face of bioreactor.
Reflector 21 and 22 angular adjustment can be carried out in manual work, also can regulate the angle of reflector through automatic angle adjusting mechanism is set in reflex reflector.For example, at two reflectors 21 and 22 center position transversely actinograph can be installed respectively, said actinograph is used to measure the light intensity of all directions in the 360 degree scopes of region, finds the best angle of accepting illumination; In addition; In reflex reflector, function unit can be set; Be used for signal, drive the pivot 5 between the reflector 21 and 22 according to actinograph output, with regulate reflector 21 or 22 and bioreactor A side or B side between angle; Thereby realize rising or decline along with the sun, reflector 21 or 22 reflexes to the A side or the lateral illumination of B is the strongest.
The 3rd embodiment
Fig. 3 shows the cross sectional representation of the photo-bioreactor system 30 of a third embodiment in accordance with the invention.Fig. 4 is the structural representation of the reflex reflector in the photo-bioreactor system shown in Fig. 3.
Shown in Fig. 3-4, photo-bioreactor system 30 comprises bioreactor 1 and reflex reflector 2.Bioreactor 1 is for being similar to the board-like bioreactor of first embodiment and second embodiment.But in the 3rd embodiment, reflex reflector 2 is arranged on a side of board-like bioreactor 1, and comprises that polylith passes through the reflector that pivot 6 connects pivotly.Three reflector L1, L2 and L3 that are connected pivotly have been shown among Fig. 3 and 4.Wherein, nethermost reflector L3 mainly plays a supportive role and fixed action, top two reflector L1 and L2 adjustable angle.Be similar to second embodiment, the angular adjustment of reflector L1 and L2 can be carried out in manual work, also can regulate through automatic angle adjusting mechanism is set in reflex reflector.In addition, be similar to first embodiment and second embodiment, the reflective surface of reflector L1, L2 and L3 is provided with thermal isolation film, is used to absorb infrared rays and ultraviolet ray, simultaneously reflect visible light.Certainly, those skilled in the art will appreciate that the length of reflector L1, L2 and L3 and highly can be according to the length and the height control setting of bioreactor 1.
As shown in Figure 3, bioreactor 1 North and South direction is placed.When the morning, the sun comes up in the east, bioreactor A side was a sensitive surface, and the B side is a shady face.At this moment, a part of light R1 that shines from a side at place, A side shines on reflector L1 and the L2, after reflection, shines on the B side of bioreactor.Thereby, increased the more weak lateral illumination of B of the quantity of illumination, promote that near the microalgae cell the B side fully absorbs light.
On the contrary, when afternoon, the sun was to the west, bioreactor B side was a sensitive surface, and the A side is a shady face.At this moment; Because the sun shines from the west, is the lateral light income of A in order to increase shady face, reflex reflector 2 is moved to a side at the place, A side of bioreactor; A promptly opposite side with reflex reflector shown in Figure 32; Thereby can the light from the lateral side irradiation of B be reflexed to the A side, increase the lateral light income of A, promote that near the microalgae cell the A side fully absorbs light.
Therefore, the 3rd embodiment can obtain to be similar to the beneficial effect of first embodiment.
In addition; According to the 3rd embodiment; Because the adjustable angle of reflector L1 and L2, therefore, can be along with the variation of the irradiating angle of solar ray in a day; Therefore the angle of regulating the angle of reflector L1 or L2 or regulating both simultaneously can obtain to be similar to the beneficial effect of second embodiment.And; Because reflex reflector 2 is arranged on the side of bioreactor 1, therefore, be convenient to move the position of reflex reflector 2; Thereby help changing the distance of reflex reflector 2, to obtain best reflecting effect apart from bioreactor 1 according to the variation of sun irradiation angle.In this,, can on the nethermost reflector L3 in the polylith reflector tourelle 7 be set for the ease of moving reflex reflector 2, as shown in Figure 4.Said tourelle 7 can be universal rolling wheel and be provided with stationary installation, so that move on the ground and be fixed on the ground.
The 4th embodiment
Fig. 5 shows the cross sectional representation of the photo-bioreactor system 40 of a fourth embodiment in accordance with the invention.
As shown in Figure 5, photo-bioreactor system 40 comprises bioreactor 1 and reflex reflector 2.Reflex reflector 2 is for being similar to the reflex reflector of the 3rd embodiment, no longer reflex reflector is elaborated below therefore.
Different is that in the 4th embodiment, bioreactor is a runway pond formula bioreactor 1.Runway pond formula bioreactor 1 is the container that comprises run-track shaped holding portion, in the described accommodation section is divided, holds the nutrient solution that comprises biological substance; And; In the holding portion of racetrack, be provided with the for example agitator of water screw, be used to stir nutrient solution, make the frequent shift position of the biological substance that is suspended in the nutrient solution; Thereby make the biological substance that is in different positions can both accept illumination equably, to reach culture effect better.As shown in Figure 5, reflex reflector 2 is arranged on the side of runway pond formula bioreactor 1, is used for to bioreactor 1 reflection ray, shines the light quantity of bioreactor with increase, thereby improves the utilising efficiency of bioreactor to sunshine.
Because the reflex reflector 2 of the 4th embodiment is for being similar to the reflex reflector of the 3rd embodiment.Therefore, can obtain to be similar to the beneficial effect of the reflex reflector of the 3rd embodiment.
More than describe embodiments of the invention only exemplarily have been described, but not be used to limit the present invention, it will be understood by those skilled in the art that under the situation that does not depart from essence of the present invention, all within the scope of the invention any distortion that the present invention did.

Claims (12)

1. photo-bioreactor system comprises:
Bioreactor; And
Reflex reflector, said reflex reflector are configured to said bioreactor reflected sunlight.
2. photo-bioreactor system according to claim 1, wherein, said reflex reflector comprises thermal isolation film, the visible light of said thermal isolation film in can reflected sunlight absorbs infrared rays and ultraviolet ray in the sunshine simultaneously.
3. photo-bioreactor system according to claim 2; Wherein, Said bioreactor is for having first side and the second lateral board-like bioreactor, and said reflex reflector is configured to a part of light that shines from a side at place, said first side is reflexed on said second side.
4. photo-bioreactor system according to claim 3 further comprises the groove that is positioned at said bioreactor below, and said reflex reflector is arranged in the said groove.
5. photo-bioreactor system according to claim 4, wherein, said reflex reflector is the reflector with semi-ellipsoidal cross section.
6. photo-bioreactor system according to claim 4, wherein, said reflex reflector is two reflectors that connect pivotly through pivot, the said bottom that is pivotally mounted in said groove.
7. according to claim 5 or 6 described photo-bioreactor systems, wherein, on the opening of said groove, cover transparent cover plate, said bioreactor is arranged on the said transparent cover plate.
8. photo-bioreactor system according to claim 6, wherein, said reflex reflector is provided with automatic angle adjusting mechanism, is used for regulating automatically the angle of each reflector.
9. photo-bioreactor system according to claim 3, wherein, said reflex reflector is arranged on a side of said board-like bioreactor, and comprises the reflector that polylith connects pivotly.
10. photo-bioreactor system according to claim 2, wherein, said bioreactor is a runway pond type bioreactor, said reflex reflector is arranged on a side of said bioreactor, and comprises the reflector that polylith connects pivotly.
11. according to claim 9 or 10 described photo-bioreactor systems, wherein, the nethermost reflector in the said polylith reflector is provided with tourelle.
12. photo-bioreactor system according to claim 1, wherein, the outside surface of said bioreactor is provided with thermal isolation film, and said thermal isolation film can make the visible light transmissive in the sunshine, absorbs infrared rays and ultraviolet ray in the sunshine simultaneously.
CN201010513128.XA 2010-10-15 2010-10-15 Photobioreactor system Active CN102453674B (en)

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN104988054A (en) * 2015-07-30 2015-10-21 润科生物工程（福建）有限公司 Plate-type external light source for reactor
CN107868753A (en) * 2017-12-26 2018-04-03 华测检测认证集团股份有限公司 Detection means for Cosmetics microorganism
CN107881087A (en) * 2017-12-26 2018-04-06 华测检测认证集团股份有限公司 Detection means for food microorganisms
CN110387314A (en) * 2019-08-15 2019-10-29 陶玲 A kind of Self-adjusting bioreactor

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CN201309929Y (en) * 2008-09-19 2009-09-16 谢仕贤 Photobioreactor
US20090291490A1 (en) * 2008-01-18 2009-11-26 Touchstone Research Laboratory, Ltd. Photo-Bioreactor
CN101709264A (en) * 2009-06-19 2010-05-19 新奥科技发展有限公司 Optical bioreactor

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US4555864A (en) * 1983-06-24 1985-12-03 Kei Mori Chlorella nurturing device
DE29707043U1 (en) * 1997-04-18 1997-12-11 Umweltschutz Nord GmbH & Co, 27777 Ganderkesee Photobioreactor
CN1242801A (en) * 1997-10-17 2000-01-26 松下电器产业株式会社 Photosynthesis culture apparatus and group of photosynthesis culture apparatuses
CN1474905A (en) * 2000-09-20 2004-02-11 三洋电机株式会社 Sun tracking lighting device
CN1948860A (en) * 2005-10-11 2007-04-18 北京太阳河技术发展有限责任公司 Method of collecting sunlight using rotable reflection plate and its device
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104988054A (en) * 2015-07-30 2015-10-21 润科生物工程（福建）有限公司 Plate-type external light source for reactor
CN107868753A (en) * 2017-12-26 2018-04-03 华测检测认证集团股份有限公司 Detection means for Cosmetics microorganism
CN107881087A (en) * 2017-12-26 2018-04-06 华测检测认证集团股份有限公司 Detection means for food microorganisms
CN107868753B (en) * 2017-12-26 2023-08-04 华测检测认证集团股份有限公司 Detection device for cosmetic microorganism
CN107881087B (en) * 2017-12-26 2023-08-08 华测检测认证集团股份有限公司 Detection device for food microorganisms
CN110387314A (en) * 2019-08-15 2019-10-29 陶玲 A kind of Self-adjusting bioreactor

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