JP2000228973A - Algae culture equipment - Google Patents
Algae culture equipmentInfo
- Publication number
- JP2000228973A JP2000228973A JP11032831A JP3283199A JP2000228973A JP 2000228973 A JP2000228973 A JP 2000228973A JP 11032831 A JP11032831 A JP 11032831A JP 3283199 A JP3283199 A JP 3283199A JP 2000228973 A JP2000228973 A JP 2000228973A
- Authority
- JP
- Japan
- Prior art keywords
- light
- artificial light
- artificial
- sunlight
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000195493 Cryptophyta Species 0.000 title claims abstract description 31
- 230000029553 photosynthesis Effects 0.000 claims abstract description 24
- 238000010672 photosynthesis Methods 0.000 claims abstract description 24
- 238000000149 argon plasma sintering Methods 0.000 claims abstract description 8
- 230000001678 irradiating effect Effects 0.000 claims abstract 2
- 238000012258 culturing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000010792 warming Methods 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000001963 growth medium Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012136 culture method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C12M31/08—Means for providing, directing, scattering or concentrating light by conducting or reflecting elements located inside the reactor or in its structure
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
(57)【要約】
【課題】 エネルギーコストが低く、しかも夜間でも光
合成を行うことができ、昼間光合成で固定したＣＯ2 を
夜間に無駄に吐き出すことを抑制し、簡便でＣＯ2 固定
量の大きい藻類培養装置を提供し、地球温暖化防止に寄
与する。
【解決手段】 培養槽１内に光散乱体３が配置され、該
光散乱体３は太陽光および人工光を受光できる受光端面
と、受光した光を散乱照射できる光散乱面を有するよう
に構成された藻類培養装置である。前記光散乱体３の一
方の端部は太陽光を受光できる太陽光受光端面９であ
り、他方の端部は人工光を受光できる人工光受光端面１
０であることが好ましい。
(57) Abstract: energy costs low and can be performed even photosynthesis at night, to prevent the spit wasting CO 2 fixed in the daytime photosynthesis at night, a large CO 2 fixed amount in a simple Provide an algal culture device and contribute to the prevention of global warming. SOLUTION: A light scatterer 3 is arranged in a culture tank 1, and the light scatterer 3 has a light receiving end face capable of receiving sunlight and artificial light and a light scattering surface capable of scattering and irradiating the received light. Algae culture device. One end of the light scatterer 3 is a sunlight receiving end face 9 capable of receiving sunlight, and the other end is an artificial light receiving end face 1 capable of receiving artificial light.
It is preferably 0.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、光合成によりＣＯ
2 を生物的に固定し、大気中のＣＯ2 を低減するため
の、藻類培養装置に関し、太陽光あるいは人工光を効率
良く利用して、光合成によるＣＯ2 固定量を高める技術
に関する。TECHNICAL FIELD The present invention relates to a method for producing CO2 by photosynthesis.
The present invention relates to an algal culture apparatus for biologically fixing 2 and reducing atmospheric CO 2 , and to a technique for efficiently using sunlight or artificial light to increase the amount of CO 2 fixed by photosynthesis.
【０００２】[0002]
【従来の技術】近年、地球温暖化防止が国際的課題とな
っている。温暖化の原因物質である二酸化炭素（以下、
ＣＯ2 ）の削減方法の一つとして、工場などからの排ガ
ス中のＣＯ2 を光合成により固定化する方法が提案され
ている。例えば、藻類等を含む培養液の入った藻類の培
養装置に排ガスを導入し、太陽光を利用して、光合成に
よりＣＯ2 を有機物として固定化し、資源として利用す
ることが提案されている。このような光合成によるＣＯ
2 固定のための藻類の培養装置としては、太陽光を直接
受光するオープンポンド、レースウェイ型培養槽、チュ
ーブラ型培養装置、太陽光を集光して光を培養層に導入
し利用する種々の集光型培養装置、或いは直接受光型と
集光型を併せ持つ併用型などが知られている。2. Description of the Related Art In recent years, prevention of global warming has become an international issue. Carbon dioxide, a substance that causes global warming (hereinafter,
As one of the methods of reducing CO 2 ), a method of fixing CO 2 in exhaust gas from a factory or the like by photosynthesis has been proposed. For example, by introducing the exhaust gas to the culture apparatus of algae containing the culture medium containing algae, by utilizing sunlight, immobilized CO 2 for the organic material, be utilized as resources proposed by photosynthesis. CO by such photosynthesis
(2 ) Algae culture devices for fixation include open pond that receives sunlight directly, raceway-type culture tanks, tubular culture devices, and various types of devices that collect sunlight and introduce light into the culture layer for use. A light-collecting type culturing apparatus or a combined type having both a direct light-receiving type and a light-collecting type is known.
【０００３】一方、光合成によるＣＯ2 固定化のための
藻類培養装置においては、固定するＣＯ2 量が極めて多
いため、エネルギーコストを低く抑える必要があり、光
合成のための光エネルギーとして太陽光を利用せざるを
得ない。しかし、太陽光利用には、太陽光の利用できる
昼間のみ藻類の光合成によってＣＯ2 が固定できる、つ
まり夜間はＣＯ2 が固定できないという大きな問題点を
有している。On the other hand, in an algal culture apparatus for fixing CO 2 by photosynthesis, since the amount of CO 2 to be fixed is extremely large, it is necessary to keep energy costs low, and sunlight is used as light energy for photosynthesis. I have to do it. However, the solar utilization, CO 2 can be fixed by photosynthesis algae only daytime available sunlight, that night has a large problem that CO 2 can not be fixed.
【０００４】[0004]
【発明が解決しようとする課題】太陽光を利用してＣＯ
2 を大量固定するための藻類培養装置として、光散乱体
を利用した太陽光直接受光型の培養槽が単位受光面積当
たりの光合成能が高く、大量ＣＯ2 固定に適しているこ
とを本出願人は特開平１０−１９１９５６号公報におい
て提案している。しかし太陽光を利用する場合、夜間は
藻類培養装置を有効に働かせることができない。とくに
集光型の培養装置では、集光器などの設備コストが大き
く、低い稼働率は経済的にも問題が大きい。[Problems to be Solved by the Invention]
As algae culture apparatus for mass fixing the 2 high culture tank of direct sunlight receiving type using the light scatterer is photosynthesis per unit receiving area, the applicant that it is suitable for mass CO 2 fixation Is proposed in Japanese Patent Application Laid-Open No. Hei 10-191956. However, when using sunlight, the algal culture apparatus cannot be operated effectively at night. In particular, in a light-collecting type culturing apparatus, equipment costs such as a light collector are large, and a low operation rate is economically problematic.
【０００５】更に、夜間の太陽光が得られない環境で
は、藻類は呼吸によりＣＯ2 を排出し、昼間にせっかく
固定したＣＯ2 を一部、吐き出してしまうという問題を
有しており、太陽光を利用した藻類による大量ＣＯ2 固
定の実現の大きな足かせとなっている。Furthermore, in environments where night sunlight can not be obtained, algae and CO 2 emissions by respiration, have a problem of CO 2 that we finally fixed to the daytime part, it arises exhale, sunlight This has been a major stumbling block to the realization of large-scale CO 2 fixation by algae using water.
【０００６】上記の問題点に鑑み、本発明は、エネルギ
ーコストが低く、しかも夜間でも光合成を行うことがで
き、昼間光合成で固定したＣＯ2 を夜間に無駄に吐き出
すことを抑制し、簡便でＣＯ2 固定量の大きい藻類培養
装置を提供し、地球温暖化防止に寄与することを目的と
する。[0006] In view of the above problems, the present invention is, energy costs low and can be performed even photosynthesis at night, to prevent the spit wasting CO 2 fixed in the daytime photosynthesis at night, CO in a simple (2) To provide an algae culture device with a large fixed amount and to contribute to the prevention of global warming.
【０００７】[0007]
【課題を解決するための手段】上記の問題点を解決する
ために、本発明は、光合成により増殖する藻類を培養す
るための藻類培養装置において、培養槽内に光散乱体が
配置され、該光散乱体は太陽光および人工光を受光でき
る受光端面と、受光した光を散乱照射できる光散乱面を
有するように構成された藻類培養装置である。該藻類培
養装置において、昼間は太陽光を利用した光合成による
藻類の培養によりＣＯ2 を固定し、夜間に人工光のみ使
用するようにして光合成による藻類の培養によりＣＯ2
を固定し、光エネルギーコストを抑え、且つＣＯ2 固定
量を大きくすることを特徴とする藻類培養装置である。In order to solve the above-mentioned problems, the present invention provides an algal culture apparatus for culturing algae that grows by photosynthesis, wherein a light scatterer is disposed in a culture tank. The light scatterer is an algal culture apparatus configured to have a light receiving end face that can receive sunlight and artificial light and a light scattering surface that can scatter and irradiate the received light. In the algal culture device, daytime and CO 2 is fixed by cultivation of algae by photosynthesis using solar, CO 2 by culturing algae by photosynthesis at night so as to use only artificial light
, A light energy cost is suppressed, and an amount of fixed CO 2 is increased.
【０００８】本発明の藻類培養装置においては、前記光
散乱体の一方の端部は太陽光を受光できる太陽光受光端
面であり、他方の端部は人工光を受光できる人工光受光
端面であることが好ましい。[0008] In the algae culture apparatus of the present invention, one end of the light scatterer is a sunlight receiving end face capable of receiving sunlight, and the other end is an artificial light receiving end face capable of receiving artificial light. Is preferred.
【０００９】さらに本発明の藻類培養装置の培養槽底部
の培養液中に人工光源を配置し、該人工光源は光透過性
の材料で囲われ、前記光散乱体の人工光を受光できる人
工光受光端面が該人工光源に近接していることが好まし
い。人工光源をこのように配置することにより、人工光
を有効に利用でき、また太陽光受光端面側に人工光源を
配置しないことで太陽光受光の妨げとならないため、太
陽光の利用効率も高い。Further, an artificial light source is disposed in a culture solution at the bottom of the culture tank of the algae culture apparatus of the present invention, and the artificial light source is surrounded by a light-transmitting material, and the artificial light source can receive the artificial light of the light scatterer. It is preferable that the light receiving end face is close to the artificial light source. By arranging the artificial light source in this way, the artificial light can be effectively used, and since the artificial light source is not disposed on the solar light receiving end surface side, it does not hinder the reception of the solar light, so that the utilization efficiency of the sunlight is high.
【００１０】前記人工光源は、周囲を光透過性の材料で
囲い、光散乱体の人工光受光端面に該囲いが接して配置
される。人工光源は、光合成に有効な可視光を放射する
光源が使用され、光散乱体の人工光受光端面に向けて光
が放射されるように構成することで、人工光は有効に利
用される。更に人工光受光端面に入射しなかった人工光
も無駄なく培養液に照射供給されるように、培養液と人
工光源の境界を光透過性の材質で構成し、つまり人工光
源と光透過性の囲いが培養液中に位置するように構成す
ることで人工光の利用効率を高めることができる。更に
人工光源の下部、即ち光散乱体の人工光受光端面側では
なく人工光受光端面に対向する培養槽底部に光反射体を
配置することにより、培養槽の下部に向けて放射される
人工光を培養液、人工光受光端面に向けて反射し、光の
有効利用を図ることができる。[0010] The artificial light source is surrounded by a light transmissive material, and the surrounding is disposed in contact with the artificial light receiving end face of the light scatterer. As the artificial light source, a light source that emits visible light that is effective for photosynthesis is used, and the artificial light is effectively used by being configured to emit light toward the artificial light receiving end surface of the light scatterer. Furthermore, the boundary between the culture solution and the artificial light source is made of a light-transmitting material so that the artificial light that has not entered the artificial light receiving end face can be irradiated and supplied to the culture solution without waste. By configuring the enclosure to be located in the culture solution, the utilization efficiency of artificial light can be increased. Furthermore, by arranging the light reflector at the bottom of the culture tank opposite to the artificial light receiving end face of the light scatterer rather than at the artificial light receiving end face side of the light scatterer, artificial light emitted toward the lower part of the culture tank is provided. Is reflected toward the culture solution and the end surface of the artificial light receiving end, thereby enabling effective use of light.
【００１１】本発明の藻類培養装置においては、夜間も
人工光により光合成してＣＯ2 を固定できるので、従来
の太陽光利用のみの藻類培養装置に比較してＣＯ2 固定
量を飛躍的に大きくすることができる。夜間の光エネル
ギーに電力を必要とするが、夜間の余剰電力を用いるこ
とで、光供給のためのエネルギーコストを小さく抑える
ことができる。[0011] In algae culture apparatus of the present invention, since even at night can be fixed by photosynthesis CO 2 by artificial light, the CO 2 fixed amount dramatically compared to the algae culture apparatus of the conventional solar utilization only large can do. Electric power is required for light energy at night, but by using surplus electric power at night, the energy cost for supplying light can be reduced.
【００１２】また夜間の光供給において、人工光を用い
ることにより、光散乱体の光散乱表面での光強度を培養
藻類の光補償点、つまり藻類の光合成によるＣＯ2 固定
量と呼吸によるＣＯ2 排出量が拮抗する光強度に調整す
ることが簡単となり、夜間の藻類の呼吸によるＣＯ2 排
出を抑えることも可能である。Further, in the nighttime light supply, by using artificial light, the light intensity on the light scattering surface of the light scatterer is adjusted to the light compensation point of the cultured algae, that is, the fixed amount of CO 2 by photosynthesis of the algae and CO 2 by respiration. It is easy to adjust the light intensity to have an emission amount that is antagonistic, and it is also possible to suppress CO 2 emission due to nighttime algae breathing.
【００１３】[0013]
【発明の実施の形態】本発明の実施の態様を図面に基づ
き説明する。図１、２、３は、本発明による藻類培養装
置の一例を示した図である。図１は、上部から見た平面
図を示す。図２は、図１のＡ〜Ａ断面である。また図３
は、図２のＢ〜Ｂ断面である。図１〜３中１は培養槽、
２は培養液である。３は培養槽１内に収容された培養液
２に浸漬されている光散乱体である。光散乱体３は、太
陽光５を受光できるように太陽光受光端面９を培養液２
の液面上に出して、また人工光を受光できるように人工
光受光端面１０を培養液底部に位置する人工光源６に近
接して配置されている。太陽光５は、培養液２の液面で
も受光され藻類の光合成に利用される。また図１、２中
４はＣＯ2 含有ガス８を培養液２に通気するためのスパ
ージャである。Embodiments of the present invention will be described with reference to the drawings. FIGS. 1, 2, and 3 are views showing an example of an algae culture apparatus according to the present invention. FIG. 1 shows a plan view from above. FIG. 2 is an A-A cross section of FIG. FIG.
Is a BB cross section of FIG. 1 in FIGS. 1 to 3 is a culture tank,
2 is a culture solution. Reference numeral 3 denotes a light scatterer immersed in the culture solution 2 contained in the culture tank 1. The light scatterer 3 sets the sunlight receiving end face 9 so that the sunlight 5 can be received.
The artificial light receiving end face 10 is disposed close to the artificial light source 6 located at the bottom of the culture solution so that the artificial light can be received on the liquid surface and receive the artificial light. The sunlight 5 is also received on the liquid surface of the culture solution 2 and used for photosynthesis of algae. Reference numeral 4 in FIGS. 1 and 2 denotes a sparger for aerating the CO 2 -containing gas 8 into the culture solution 2.
【００１４】本発明の藻類培養装置における光散乱体３
は、例えば、特開平８−２６２２３２号公報に示すよう
な光散乱体が利用できる。該公報に記載の光散乱体は、
光散乱面を形成し、端面から入射された光を透明板全体
から均一に散乱放射できる構成となったものである。Light scatterer 3 in algae culture apparatus of the present invention
For example, a light scatterer as disclosed in JP-A-8-262232 can be used. The light scatterer described in the publication,
The light scattering surface is formed so that light incident from the end face can be uniformly scattered and emitted from the entire transparent plate.
【００１５】本発明の藻類培養装置における光散乱体３
は、一方の端面を太陽光受光のための太陽光受光端面
９、対向するもう一方の端面を人工光受光のための人工
光受光端面１０とすることが望ましく、一つの光散乱体
３が太陽光を受光、散乱させる役割と、人工光を受光、
散乱させる役目の二つの役割を担い、太陽光と人工光を
併用することで昼間も夜間も培養槽１内に光を供給する
ために有効に機能する。人工光源６は、夜間のみ使用
し、電力は夜間の余剰電力を使用することによって光合
成に必要なエネルギーコストを下げることができる。Light Scatterer 3 in Algal Culture Apparatus of the Present Invention
It is preferable that one end face is a sunlight receiving end face 9 for receiving sunlight, and the other end face is an artificial light receiving end face 10 for receiving artificial light. The role of receiving and scattering light, receiving artificial light,
It plays two roles of scattering, and functions effectively to supply light into the culture tank 1 both day and night by using sunlight and artificial light together. The artificial light source 6 is used only at night, and the electric power required at night can reduce the energy cost required for photosynthesis by using surplus power at night.
【００１６】本発明の藻類培養装置における光散乱体３
の形状は、特に限定はなく、一般的には平板状が用いら
れるが、平板状に限られるものではない。また、端面か
ら光を入射でき光受光端面以外の表面全体から入射光を
散乱放射できる構造体であれば、前記特開平８−２６２
２３２号公報に記載の光散乱体に限られるものではな
い。また光散乱体３は、培養液中に複数個配置される
が、個数や配置の仕方は特に限定されない。Light Scatterer 3 in Algal Culture Apparatus of the Present Invention
Is not particularly limited, and a flat plate is generally used, but is not limited to a flat plate. Further, if the structure is such that light can be incident from the end face and the incident light can be scattered and radiated from the entire surface other than the light receiving end face, the structure described in JP-A-8-262 can be used.
It is not limited to the light scatterer described in JP-A-232-232. In addition, a plurality of light scatterers 3 are arranged in the culture solution, but the number and arrangement are not particularly limited.
【００１７】人工光源６は光透過性の材質で作られた囲
い１１で囲われ、囲い１１は平板状の光散乱体３に接し
て配置されると共に、人工光受光端面１０に入射しない
人工光が培養液２へも直接放射されるように構成されて
おり人工光利用効率が高い。更に人工光源６の人工光受
光端面１０に対する反対側には、光反射体７を取り付け
て培養液２側以外の方向に散乱する人工光を反射して培
養液２側に放射し、人工光を無駄なく利用することがで
きる。The artificial light source 6 is surrounded by an enclosure 11 made of a light transmissive material. The enclosure 11 is arranged in contact with the flat light scatterer 3, and artificial light which does not enter the artificial light receiving end face 10. Is also directly radiated to the culture solution 2 and the artificial light utilization efficiency is high. Further, a light reflector 7 is attached to the opposite side of the artificial light receiving end face 10 of the artificial light source 6 to reflect artificial light scattered in a direction other than the culture solution 2 side and radiate the artificial light to the culture solution 2 side. It can be used without waste.
【００１８】本発明の藻類培養装置における人工光源６
は、蛍光灯、ハロゲンランプ、キセノンランプなどを利
用することができる。しかし、光合成に利用される可視
光を含む光を放射できる光源であればよく、とくに限定
するものではない。また、図２に示すように人工光源６
の下部に設けた光反射体７は、可視光を反射できる構造
体であればよく、例えば、白色のプラスティック樹脂板
などを利用することができる。本発明の藻類培養装置に
おける通気のためのスパージャ４も、形状、取り付け位
置など、とくに限定されない。The artificial light source 6 in the algae culture apparatus of the present invention
, A fluorescent lamp, a halogen lamp, a xenon lamp, or the like can be used. However, the light source may be any light source that can emit light including visible light used for photosynthesis, and is not particularly limited. Further, as shown in FIG.
The light reflector 7 provided at the lower part of the light-emitting device may be a structure that can reflect visible light, and for example, a white plastic resin plate or the like can be used. The sparger 4 for ventilation in the algae culture apparatus of the present invention is not particularly limited in shape, mounting position, or the like.
【００１９】[0019]
【発明の効果】本発明の藻類培養方法によれば、自然エ
ネルギーである太陽光を有効に利用してＣＯ2 を固定で
きるとともに、夜間も人工光により光合成を行わせるこ
とができ、更には夜間の藻類の呼吸によるＣＯ2 発生も
抑えることができるため、ＣＯ 2 固定量は飛躍的に増加
する。人工光を利用するための電力が必要であるが、本
発明では夜間の余剰電力を使用することができ、そのエ
ネルギーコストは最小に抑えることができる。According to the algae culture method of the present invention, natural
Effective use of sunlight, which is energyTwoFixed
At the same time, photosynthesis can be performed by artificial light even at night.
And CO by the algae breathing at nightTwoOccurrence
CO2 TwoFixed amount increases dramatically
I do. Power is required to use artificial light, but
The invention allows the use of excess power at night,
Energy costs can be kept to a minimum.
【００２０】本発明による藻類培養装置を用いることに
より、地球温暖化の原因物質の一つであるＣＯ2 を効率
よく大量に生物的に固定でき地球環境保全に寄与でき
る。By using the algae culture apparatus according to the present invention, CO 2 , which is one of the substances causing global warming, can be efficiently and biologically fixed in a large amount, thereby contributing to global environmental conservation.
【図１】本発明の藻類培養装置の上部から見た平面図で
ある。FIG. 1 is a plan view of an algae culture device of the present invention as viewed from above.
【図２】図１のＡ〜Ａ断面を示す。FIG. 2 shows an A-A cross section of FIG.
【図３】図２のＢ〜Ｂ断面を示す。FIG. 3 is a cross-sectional view taken along the line BB of FIG. 2;
１ 培養槽 ２ 培養液 ３ 光散乱体 ４ スパージャ ５ 太陽光 ６ 人工光源 ７ 光反射体 ８ ＣＯ2 含有ガス ９ 太陽光受光端面 １０ 人工光受光端面 １１ 囲い1 culture tank 2 culture medium 3 light scattering agent 4 sparger 5 sunlight 6 artificial light source 7 light reflector 8 CO 2 containing gas 9 solar receiver end surface 10 artificial light receiving end face 11 enclosure
Claims (3)
めの藻類培養装置において、培養槽内に光散乱体が配置
され、該光散乱体は太陽光および人工光を受光できる受
光端面と、受光した光を散乱照射できる光散乱面を有す
ることを特徴とする藻類培養装置。1. An algal culture apparatus for culturing algae that grows by photosynthesis, wherein a light scatterer is disposed in a culture tank, and the light scatterer has a light-receiving end face capable of receiving sunlight and artificial light, and a light-scattering body that receives light. An algal culture device having a light scattering surface capable of scattering and irradiating light.
光できる太陽光受光端面であり、他方の端部は人工光を
受光できる人工光受光端面であることを特徴とする請求
項１記載の藻類培養装置。2. One end of the light scatterer is a sunlight receiving end face capable of receiving sunlight, and the other end is an artificial light receiving end face capable of receiving artificial light. 2. The algal culture apparatus according to 1.
人工光源を配置し、該人工光源は光透過性の材料で囲わ
れ、前記光散乱体の人工光を受光できる人工光受光端面
が該人工光源に近接していることを特徴とする請求項１
又は２記載の藻類培養装置。3. An artificial light receiving end face in which an artificial light source is disposed in a culture solution at the bottom of a culture tank of the algae culture device, the artificial light source is surrounded by a light-transmitting material, and the artificial light receiving end face capable of receiving the artificial light of the light scattering body. Is located near the artificial light source.
Or the algal culture apparatus according to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11032831A JP2000228973A (en) | 1999-02-10 | 1999-02-10 | Algae culture equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11032831A JP2000228973A (en) | 1999-02-10 | 1999-02-10 | Algae culture equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000228973A true JP2000228973A (en) | 2000-08-22 |
Family
ID=12369783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11032831A Pending JP2000228973A (en) | 1999-02-10 | 1999-02-10 | Algae culture equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000228973A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010530738A (en) * | 2007-06-01 | 2010-09-16 | ワッカー ケミー アクチエンゲゼルシャフト | Photoreactor |
| JPWO2010116946A1 (en) * | 2009-04-06 | 2012-10-18 | 株式会社エフティエルインターナショナル | Microalgae culture equipment |
| FR2974814A1 (en) * | 2011-05-06 | 2012-11-09 | Acta Alga | FIRMLY PHOTOBIOREACTOR FOR THE CULTURE OF PHOTOSYNTHETIC MICROORGANISMS |
| JP2015198649A (en) * | 2014-03-31 | 2015-11-12 | 住友共同電力株式会社 | Culture system for algae and method for culturing algae |
| KR20150139873A (en) * | 2013-03-21 | 2015-12-14 | 마이크로 리소시스 엘티디. | Reactor for bulk production of photosynthetic microorganisms |
| FR3029209A1 (en) * | 2014-12-02 | 2016-06-03 | Frederic Barbarin | DEVICE FOR PRODUCING PHOTOSYNTHETIC CULTURE USING A PHOTO-BIOREACTOR AND AT LEAST ONE LIGHT DISPENSER |
| WO2021129923A1 (en) * | 2019-12-23 | 2021-07-01 | Marigan Ag | Device for cultivating photosynthetic microorganisms |
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1999
- 1999-02-10 JP JP11032831A patent/JP2000228973A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010530738A (en) * | 2007-06-01 | 2010-09-16 | ワッカー ケミー アクチエンゲゼルシャフト | Photoreactor |
| JPWO2010116946A1 (en) * | 2009-04-06 | 2012-10-18 | 株式会社エフティエルインターナショナル | Microalgae culture equipment |
| FR2974814A1 (en) * | 2011-05-06 | 2012-11-09 | Acta Alga | FIRMLY PHOTOBIOREACTOR FOR THE CULTURE OF PHOTOSYNTHETIC MICROORGANISMS |
| WO2012152637A1 (en) * | 2011-05-06 | 2012-11-15 | Acta Alga | Enclosed photobioreactor for culture of photosynthetic microorganisms |
| KR102330534B1 (en) | 2013-03-21 | 2021-11-24 | 마이크로 리소시스 엘티디. | Reactor for bulk production of photosynthetic microorganisms |
| KR20150139873A (en) * | 2013-03-21 | 2015-12-14 | 마이크로 리소시스 엘티디. | Reactor for bulk production of photosynthetic microorganisms |
| JP2015198649A (en) * | 2014-03-31 | 2015-11-12 | 住友共同電力株式会社 | Culture system for algae and method for culturing algae |
| FR3029209A1 (en) * | 2014-12-02 | 2016-06-03 | Frederic Barbarin | DEVICE FOR PRODUCING PHOTOSYNTHETIC CULTURE USING A PHOTO-BIOREACTOR AND AT LEAST ONE LIGHT DISPENSER |
| CN107109321A (en) * | 2014-12-02 | 2017-08-29 | 桑诺里奥公司 | Equipment for producing photosynthetic culture by bioreactor and at least one light distributor |
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| CN107109321B (en) * | 2014-12-02 | 2020-11-13 | 桑诺里奥公司 | Device for producing photosynthetic cultures by means of a photobioreactor and at least one light distributor |
| WO2016087779A1 (en) * | 2014-12-02 | 2016-06-09 | Barbarin Frédéric | Device for producing a photosynthetic culture by means of a photo-bioreactor and at least one light distributor |
| WO2021129923A1 (en) * | 2019-12-23 | 2021-07-01 | Marigan Ag | Device for cultivating photosynthetic microorganisms |
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