JP2019536459A - 光バイオリアクターデバイスおよび方法 - Google Patents
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Classifications
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- C—CHEMISTRY; METALLURGY
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Abstract
Description
[数1]
1バーラー = 10-10(cm3 stp・cm/cm2・s・cmHg)
実験装置を構成し、本発明の実施形態のシステムを実証した。特に、本装置は、本明細書に記載の種類のPBRを含むチャンバーの気体大気にCO2気体を供給すると、PBR内に含まれる液体培地内のO2濃度およびpHが低下するとともに、CO2濃度が上昇することを実証する。これはさらに、光合成微生物培養物を含む液体培地で満たされたPBRユニットの膜層を通して効率的なO2およびCO2気体移動が起こることを示している。
1.Mettler Toledo製の光学溶存O2センサー「InPro 6860 i」、
2.Mettler Toledo製の溶存CO2センサー「InPro 5000 I」、
3.Hannah Instruments製のpHセンサー、
4.温度センサーIFM Efector TM 4431 PT 100
5.セラミック測定セル付き圧力トランスミッターIFM Efector PA9028
本発明のデバイスにおける別の同様の実験において、微生物増殖および複製がデバイスの内部で起こることを示すために、液体培地の試料を異なる時間間隔でシステムから取り出し、乾燥重量測定を行い、総バイオマス密度と増殖率を理解した。下の表に示すように、全バイオマスは8時間強で0.8g/L増加し、この時間枠で40%以上増加した。
Claims (31)
- バイオマスを生産するためのデバイスであって、
膜光バイオリアクター(PBR)であって、前記PBRが、液体培地、少なくとも1種の光合成微生物、および少なくとも1つの外側膜層を含み、前記膜層が、前記膜層を横切る気体移動に透過性である材料からなる膜光バイオリアクターと、
その中に取り囲まれた気体大気を画定するチャンバーであって、前記PBRが前記チャンバー内に配置されているチャンバーと、
前記チャンバー内の大気の組成を制御する制御システムと、を含み、
気体移動が、前記PBRと前記チャンバー内に含まれる大気との間で、前記PBRの膜層を横切って起こる、デバイス。 - 前記チャンバーが複数の壁からなり、少なくとも1つの壁、またはその一部が、そこを通っての前記チャンバーの内部への可視光の透過を可能にする、請求項1に記載のデバイス。
- 前記チャンバーが照明源を含む、請求項1または2に記載のデバイス。
- 前記チャンバーの壁が実質的に硬い、請求項1〜3のいずれか一項に記載のデバイス。
- 前記チャンバーの壁がエチレンテトラフルオロエチレン(ETFE)を含む、請求項1〜3のいずれか一項に記載のデバイス。
- 前記PBRの膜層が半透明であり、典型的には実質的に透明である、請求項1〜5のいずれか一項に記載のデバイス。
- 前記PBRの膜層が、ポリシロキサン、典型的にはポリジメチルシロキサン(PDMS)を含む、請求項1〜6のいずれか一項に記載のデバイス。
- 前記PBRの膜層を通る酸素の透過係数が、少なくとも約100バーラー以上、適切には少なくとも200以上、少なくとも300、少なくとも400、少なくとも500、少なくとも650、少なくとも750、適切には少なくとも820バーラーから選択される、請求項1〜7のいずれか一項に記載のデバイス。
- 前記PBRの膜層を通る二酸化炭素(CO2)の透過係数が、少なくとも400以上、少なくとも600、少なくとも800、少なくとも1000、少なくとも1500、少なくとも2000、少なくとも2200、少なくとも2500、少なくとも2800、少なくとも2900、少なくとも3000、少なくとも3100、少なくとも3200、少なくとも3300、少なくとも3400、少なくとも3500、少なくとも3600、少なくとも3700、少なくとも3800、適切には少なくとも3820バーラーから選択される、請求項1〜8のいずれか一項に記載のデバイス。
- 前記PBRが、前記気体不透過性チャンバー内の大気によって全側面を実質的に囲まれている、請求項1〜9のいずれか一項に記載のデバイス。
- 前記チャンバー内に配置されている複数のPBRを含み、前記PBRの液体培地が流体連通している、請求項1〜10のいずれか一項に記載のデバイス。
- 前記少なくとも1種の光合成微生物が、ヘマトコッカス種、ヘマトコッカス・プルビアリス、クロレラ属、クロレラ・オートグラフィカ、クロレラ・ブルガリス、シーンデスムス属、シネココッカス属、シネココッカス・エロンガタス、シネコシスティス属、アルスロスピラ属、アルスロスピラ・プラテンシス、アルスロスピラ・マキシマ、スピルリナ属、クラミドモナス属、クラミドモナス・レインハルトチイ、ジモルフォコックス属、ガイトレリネマ属、リングビア属、クロオコッキディオプシス属、カロスリックス属、シアノシス属、オスキラトリア属、グロエオシス属、ミクロコレウス属、ミクロシスティス属、ノストック属、ナンノクロロプシス属、アナベナ属、フェオダクチラム属、フェオダクチラムトリコニウタム、ドナリエラ属、ドナリエラ・サリナからなる群のうちの1つまたは複数から選択される、請求項1〜11のいずれか一項に記載のデバイス。
- 前記チャンバーが2つ以上の区画に分割され、少なくとも第1チャンバー区画と第2チャンバー区画とを提供する、請求項1〜12のいずれか一項に記載のデバイス。
- 前記制御システムが、CO2豊富気体を前記チャンバーまたはチャンバー区画の1つもしくは複数に導入するよう構成されている、請求項1〜13のいずれか一項に記載のデバイス。
- 前記制御システムが、O2枯渇気体を前記チャンバーまたはチャンバー区画の1つもしくは複数に導入するよう構成されている、請求項1〜14のいずれか一項に記載のデバイス。
- 前記制御システムが、工業原料または燃焼源からの排出気体を前記チャンバーまたはチャンバー区画の1つもしくは複数に導入するよう構成されている、請求項1〜15のいずれか一項に記載のデバイス。
- 前記チャンバー内の圧力が大気圧よりも大きくなるように、前記制御システムが前記チャンバー内に気体を導入するよう構成されている、請求項1〜16のいずれか一項に記載のデバイス。
- 前記チャンバーが実質的に気体不透過性である、請求項1〜17のいずれか一項に記載のデバイス。
- 膜光バイオリアクター(PBR)内の微生物培養物を制御するための方法であって、前記PBRが少なくとも1つの外側膜層を含み、少なくとも1種の気体が前記膜層を通過することができ、
前記PBR内に微生物培養物を提供する工程であって、前記微生物培養物が液体培地および少なくとも1種の光合成微生物を含み、バイオマスを産生する能力がある工程と;
チャンバー内に前記PBRを配置する工程であって、前記チャンバーが少なくとも第1入口を含み、さらに前記チャンバー内に気体大気を画定して取り囲む壁を含む工程と;
前記第1入口を通って前記チャンバーに入る供給気体の含有量を制御することによって前記チャンバー内の大気を制御する工程とを含み;
前記チャンバー内の大気の大気組成を制御することによって、前記PBR内の微生物培養物によるバイオマスの生産が制御される、方法。 - 前記チャンバー内の気体大気を画定し取り囲む前記壁が、前記チャンバーを実質的に気体不透過性にする、請求項19に記載の方法。
- 前記チャンバー内の圧力が実質的に大気圧に維持される、請求項19または20に記載の方法。
- 前記チャンバー内の圧力が、大気圧より高い正圧に維持される、請求項19または20に記載の方法。
- 前記液体培地のpHが前記チャンバー内の気体大気によって制御される、請求項19〜22のいずれか一項に記載の方法。
- バイオマス製造用アセンブリであって、請求項1〜18のいずれか一項に記載の複数のデバイスを含み、複数のPBRの前記液体培地が流体連通しており;複数のチャンバーの前記大気が流体連通している、アセンブリ。
- 膜光バイオリアクター(PBR)であって、前記PBRが、液体培地、少なくとも1種の光合成微生物、および少なくとも1つの外側膜層を含み、前記膜層が、前記膜層を横切る気体移動に透過性である材料からなる膜光バイオリアクターと;
その中に取り囲まれた気体大気を画定するチャンバーであって;
前記PBRの少なくとも一部が前記チャンバー内に配置されているチャンバーとを含む、バイオマス製造用デバイス。 - 前記PBRの少なくとも30%、典型的には少なくとも50%、適切には少なくとも70%、任意に少なくとも90%が前記チャンバー内に配置されている、請求項25に記載のデバイス。
- 前記PBRの実質的に全部が前記チャンバー内に配置されている、請求項25または26に記載のデバイス。
- 膜光バイオリアクター(PBR)であって、前記PBRが、液体培地、少なくとも1種の光合成微生物、および少なくとも1つの外側膜層を含み、前記膜層が、前記膜層を横切る気体移動に透過性である材料からなる膜光バイオリアクターと;
その中に取り囲まれた気体大気を画定する壁を含むチャンバーであって;
前記PBRが前記チャンバー内に配置されているチャンバーとを含む、バイオマス製造用デバイス。 - 前記チャンバーが少なくとも上壁と下壁とを備える、請求項28に記載のデバイス。
- 前記上壁が丸い凸形状を有し、その上に画定された表面からの流体の流出を可能にする、請求項29に記載のデバイス。
- 前記上壁が水平に対して傾斜しており、その上に画定された表面からの流体の流出を可能にする、請求項29に記載のデバイス。
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WO2022196271A1 (ja) * | 2021-03-15 | 2022-09-22 | 本田技研工業株式会社 | 培養装置 |
Also Published As
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GB201708940D0 (en) | 2017-07-19 |
JP2023027093A (ja) | 2023-03-01 |
IL266883B2 (en) | 2024-03-01 |
IL266883A (en) | 2019-07-31 |
IL266883B1 (en) | 2023-11-01 |
CN110352233A (zh) | 2019-10-18 |
WO2018100400A1 (en) | 2018-06-07 |
EP3548598A1 (en) | 2019-10-09 |
US20190316067A1 (en) | 2019-10-17 |
US20230220319A1 (en) | 2023-07-13 |
MX2019006408A (es) | 2019-11-18 |
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