WO2005079560A1 - Vorrichtung zur zucht und massenproduktion von algen - Google Patents
Vorrichtung zur zucht und massenproduktion von algen Download PDFInfo
- Publication number
- WO2005079560A1 WO2005079560A1 PCT/EP2005/001627 EP2005001627W WO2005079560A1 WO 2005079560 A1 WO2005079560 A1 WO 2005079560A1 EP 2005001627 W EP2005001627 W EP 2005001627W WO 2005079560 A1 WO2005079560 A1 WO 2005079560A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- algae
- tubes
- water
- filled
- Prior art date
Links
- 241000195493 Cryptophyta Species 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 241001631457 Cannula Species 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 235000015097 nutrients Nutrition 0.000 abstract description 8
- 239000002028 Biomass Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000003306 harvesting Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- JEBFVOLFMLUKLF-IFPLVEIFSA-N Astaxanthin Natural products CC(=C/C=C/C(=C/C=C/C1=C(C)C(=O)C(O)CC1(C)C)/C)C=CC=C(/C)C=CC=C(/C)C=CC2=C(C)C(=O)C(O)CC2(C)C JEBFVOLFMLUKLF-IFPLVEIFSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000005791 algae growth Effects 0.000 description 1
- OENHQHLEOONYIE-UKMVMLAPSA-N all-trans beta-carotene Natural products CC=1CCCC(C)(C)C=1/C=C/C(/C)=C/C=C/C(/C)=C/C=C/C=C(C)C=CC=C(C)C=CC1=C(C)CCCC1(C)C OENHQHLEOONYIE-UKMVMLAPSA-N 0.000 description 1
- 235000013793 astaxanthin Nutrition 0.000 description 1
- 239000001168 astaxanthin Substances 0.000 description 1
- MQZIGYBFDRPAKN-ZWAPEEGVSA-N astaxanthin Chemical compound C([C@H](O)C(=O)C=1C)C(C)(C)C=1/C=C/C(/C)=C/C=C/C(/C)=C/C=C/C=C(C)C=CC=C(C)C=CC1=C(C)C(=O)[C@@H](O)CC1(C)C MQZIGYBFDRPAKN-ZWAPEEGVSA-N 0.000 description 1
- 229940022405 astaxanthin Drugs 0.000 description 1
- 235000013734 beta-carotene Nutrition 0.000 description 1
- 239000011648 beta-carotene Substances 0.000 description 1
- TUPZEYHYWIEDIH-WAIFQNFQSA-N beta-carotene Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CCCC1(C)C)C=CC=C(/C)C=CC2=CCCCC2(C)C TUPZEYHYWIEDIH-WAIFQNFQSA-N 0.000 description 1
- 229960002747 betacarotene Drugs 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000020660 omega-3 fatty acid Nutrition 0.000 description 1
- 229940012843 omega-3 fatty acid Drugs 0.000 description 1
- 239000006014 omega-3 oil Substances 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- OENHQHLEOONYIE-JLTXGRSLSA-N β-Carotene Chemical compound CC=1CCCC(C)(C)C=1\C=C\C(\C)=C\C=C\C(\C)=C\C=C\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C OENHQHLEOONYIE-JLTXGRSLSA-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
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H4/00—Plant reproduction by tissue culture techniques ; Tissue culture techniques therefor
- A01H4/001—Culture apparatus for tissue culture
-
- 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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
-
- 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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
- C12M23/14—Bags
-
- 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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/48—Holding appliances; Racks; Supports
-
- 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
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
Definitions
- the present invention relates to a device for growing algae, which is characterized by a transparent film tube, which is divided into segments by the type of suspension and results in culture systems due to its new shape.
- the film tubes are filled with algae, water and nutrient solutions and hung in a sunny location. Air and CO 2 cause inserted turbulence and gas exchange.
- the device makes it possible to grow as much biomass as possible under optimal environmental conditions in the smallest possible area.
- Algae are plants that live in water. You need sunlight, CO 2 and nutrient salts, as well as optimal water temperatures. Economically interesting are some types of microalgae, which have a size of 3 to 20 m ⁇ and in addition to protein have many valuable ingredients such as beta-carotene, omega-3 fatty acids, dyes or even medically effective substances.
- microalgae are primarily grown extensively or harvested from natural sources, dried and offered in powder or tablet form.
- Intensive cultivation systems are operated as closed systems in greenhouses, in glass tubes or double-wall sheets made of plastic, as continuous systems. Water, nutrient solution and algae are pumped through the systems. They are very expensive to maintain and costly, and were only built in Europe as pilot plants, but not profitable on a large scale.
- the invention is therefore based on the object of demonstrating an apparatus and a method for inexpensive cultivation and mass production of microalgae.
- Another object of the invention is to provide a device which allows as much biomass as possible to be cultivated in the smallest possible area under optimal environmental conditions.
- This object is achieved according to the invention by a device which is distinguished by a transparent film tube which is divided into segments by the type of suspension and by its new form of culture systems.
- the film tubes are filled with algae, water and nutrient solutions and hung in a sunny location. Air and CO 2 cause swirling and gas exchange via inserted cannulas.
- a device which is characterized by a transparent film tube (1) which is fastened to a supporting tubular frame (2) with binding material (5).
- the film tube attached on one side is filled a third with water and bent into a V-shape.
- the open end of the hose is folded under the aforementioned tube (2) and fixed in the same way (5). Now the film tube is cut about 1 cm at the two fold-folding upper ends (6).
- the film tube is filled with water, algae and nutrient solution through this opening (6).
- plastic cannulas (7) are inserted, which are perforated at the tip and serve as outflows (8) for compressed air and CO 2 .
- the plastic cannulas (7) are supplied with air and CO 2 from above via a suspended pressure pipe (9).
- the ascending gas (10) on the film wall forms an ascending and descending cycle of water with the algae.
- the microalgae are harvested via the collecting line (3) by means of further cannulas (4) inserted below.
- the cannula (4) and the associated collecting line (3) supply the film reactor with nutrient salts and fresh water after the harvest.
- Figure 1 is a schematic representation of a device according to the invention for the cultivation and mass production of algae.
- the device comprises a transparent film tube (1) which is attached to a support tube (2) with binding material (5).
- the film tube (1) is filled with water and bent in a V-shape in the lower part.
- the water is filled through the incision opening (6), which later serves as a gas outlet.
- the air is supplied via a pressure pipe (9) with a cannula (7) going out from it.
- the perforated cannula (8) which is divided at the tip, is pierced through the film tubes.
- the air emerging at the tip of the cannula (8) rises on the film wall and escapes via the synthetic tube (6) inserted at the top.
- the rising air creates a circulation of water (10). This promotes gas exchange and mixing with nutrients.
- plastic cannulas are inserted into the tubular film, which empties the V-system via the harvesting line (3).
- the water freed from algae is thinned out after the harvest and returned to the cannula.
- Suitable film tubes are suitable as the material for the film tube, such as those used in horticulture or agriculture and can be obtained from various suppliers.
- the film tubes can consist, for example, of PE, PVC, polypropylene or other plastics, which can be processed to transparent film tubes.
- the film tube is transparent and possibly colored. When it comes to the color of the tubing, care should be taken to avoid unfavorable lighting conditions for algae growth. Certain light spectra that affect the physiological state of the algae, such as e.g. the induction of stress-induced ingredients like astaxanthin.
- the diameter of the film tube should suitably be in the range of 5 to 100 cm.
- the height of the device can be up to 3 m or higher.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Zoology (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Biochemistry (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Developmental Biology & Embryology (AREA)
- Clinical Laboratory Science (AREA)
- Cell Biology (AREA)
- Molecular Biology (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Seaweed (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004007564.6 | 2004-02-17 | ||
DE102004007564A DE102004007564A1 (de) | 2004-02-17 | 2004-02-17 | Vorrichtung zur Zucht und Massenproduktion von Algen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005079560A1 true WO2005079560A1 (de) | 2005-09-01 |
Family
ID=34813433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/001627 WO2005079560A1 (de) | 2004-02-17 | 2005-02-17 | Vorrichtung zur zucht und massenproduktion von algen |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102004007564A1 (de) |
WO (1) | WO2005079560A1 (de) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2425702A (en) * | 2005-05-04 | 2006-11-08 | Questor Ltd C | Photosynthetic apparatus and method using algae |
WO2011099016A3 (en) * | 2010-02-15 | 2012-03-08 | Univerve Ltd. | System and plant for cultivation of aquatic organisms |
EP2097506A4 (de) * | 2006-12-28 | 2012-11-21 | Solix Biosystems Inc | Wasserunterstützter photobioreaktor mit erweitertem oberfächenbereich für erhöhtes streulicht |
KR101315886B1 (ko) | 2011-08-25 | 2013-10-15 | 한국에너지기술연구원 | 다면체로 이루어진 광생물반응기 |
EP2691508A1 (de) * | 2011-03-31 | 2014-02-05 | Rival Societe En Commandite | Photobioreaktoren und kulturbeutel zur verwendung damit |
WO2018007157A1 (en) * | 2016-07-05 | 2018-01-11 | General Electric Company | Apparatus and methods for adjustable volume cell culture |
US10046326B2 (en) | 2013-01-29 | 2018-08-14 | Pateffect Schutzrechtsmanagement Gbr | Bioreactor suspension |
IT201900000355A1 (it) | 2019-01-10 | 2020-07-10 | Thema Informatik Srl | Apparecchio per la coltivazione di alghe in particolare alghe unicellulari e un procedimento per la coltivazione di alghe con un apparecchio |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080131960A1 (en) * | 2006-11-15 | 2008-06-05 | Millipore Corporation | Self standing bioreactor construction |
FR2918387B1 (fr) * | 2007-07-03 | 2009-09-18 | Dominique Patrick Delobel | Systeme de production de micro organismes |
WO2009037683A1 (en) * | 2007-09-17 | 2009-03-26 | Seamus Devlin | A system and apparatus for growing cultures |
FI20080249A0 (fi) * | 2008-03-28 | 2008-03-28 | Eino Elias Hakalehto | Mikrobiologinen tuotantomenetelmä ja laitteisto sen käyttämiseksi |
DE102008022676A1 (de) | 2008-05-07 | 2009-11-12 | Phyton Energy Gmbh | Vorrichtung zur Vermehrung kohlenstoff- und/oder ölhaltiger Mikroorganismen in Nährflüssigkeit |
DE102008023368B4 (de) | 2008-05-13 | 2013-08-29 | Johannes-Max Bergel | Behälter zur Zucht von Algen |
US20100055764A1 (en) * | 2008-08-27 | 2010-03-04 | Martin Gregory R | Cell culture apparatus and method |
DE102009030121A1 (de) | 2009-06-22 | 2010-12-30 | Rent-A-Scientist Gmbh | Verbesserung des Wachstums von Mikroorganismen |
DE102009033574B4 (de) * | 2009-07-16 | 2011-07-28 | Rogmans, Maria, 47546 | Verfahren und Einrichtung zur Erzeugung von Biomasse |
US20110281339A1 (en) * | 2010-05-14 | 2011-11-17 | Photon8, Inc. | System And Method To Create A Traveling Wave Within A Photobiotic Reactor To Enhance Algae Growth |
DE102010027708A1 (de) | 2010-07-20 | 2012-01-26 | Michael Fuderer | Folie, Stützstruktur, Versorgungseinrichtung, Bioreaktor und Verfahren zur Kultivierung von Mikroorganismen |
ITVR20110134A1 (it) * | 2011-06-30 | 2012-12-31 | Algain Energy S R L | Fotobioreattore. |
DE102011113440A1 (de) * | 2011-09-14 | 2013-03-14 | Forschungszentrum Jülich GmbH | Verfahren zum Betrieb eines Photobioreaktors sowie Photobioreaktor |
CN102986530B (zh) * | 2012-11-25 | 2014-01-01 | 溧阳市天目湖保健品有限公司 | 一种海萝的组织培养方法 |
DE102015108906A1 (de) | 2015-06-05 | 2016-12-08 | Hermann Reitthaler | Transportable Rückhalteeinrichtung für Flüssigkeiten |
DE102020113163B4 (de) | 2020-05-14 | 2024-04-25 | BAF Brandenburger Algenfarm GmbH | Fotobioreaktor zur Kultivierung von Mikroorganismen, insbesondere von Algen |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3955317A (en) * | 1974-01-28 | 1976-05-11 | The British Petroleum Company Limited | Method of growing plant cells |
EP0239272A2 (de) * | 1986-03-19 | 1987-09-30 | Biotechna Limited | Produktion von Biomasse |
US5534417A (en) * | 1992-06-12 | 1996-07-09 | Ben-Gurion University Of The Negev | Microorganism growth apparatus |
DE10222214A1 (de) * | 2002-05-16 | 2003-12-18 | Forschungszentrum Juelich Gmbh | Photobioreaktor sowie Verfahren zur Produktion von Biomasse |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2358701C3 (de) * | 1973-11-24 | 1981-01-22 | Erno Raumfahrttechnik Gmbh, 2800 Bremen | Vorrichtung zur Aufzucht von Algen |
DE4230194C2 (de) * | 1992-09-09 | 1995-07-27 | Joerg Dr Med Gerlach | Reaktor zur Züchtung und zur Nutzung von Stoffwechselleistungen und/oder zum Erhalt von Mikroorganismen |
DE10017690A1 (de) * | 2000-04-08 | 2001-10-25 | Simmoteit Robert | Vorrichtung zum Stoffaustausch und Kultivierung von Zellen |
-
2004
- 2004-02-17 DE DE102004007564A patent/DE102004007564A1/de not_active Withdrawn
-
2005
- 2005-02-17 WO PCT/EP2005/001627 patent/WO2005079560A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3955317A (en) * | 1974-01-28 | 1976-05-11 | The British Petroleum Company Limited | Method of growing plant cells |
EP0239272A2 (de) * | 1986-03-19 | 1987-09-30 | Biotechna Limited | Produktion von Biomasse |
US5534417A (en) * | 1992-06-12 | 1996-07-09 | Ben-Gurion University Of The Negev | Microorganism growth apparatus |
DE10222214A1 (de) * | 2002-05-16 | 2003-12-18 | Forschungszentrum Juelich Gmbh | Photobioreaktor sowie Verfahren zur Produktion von Biomasse |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2425702A (en) * | 2005-05-04 | 2006-11-08 | Questor Ltd C | Photosynthetic apparatus and method using algae |
EP2097506A4 (de) * | 2006-12-28 | 2012-11-21 | Solix Biosystems Inc | Wasserunterstützter photobioreaktor mit erweitertem oberfächenbereich für erhöhtes streulicht |
US9260685B2 (en) | 2010-02-15 | 2016-02-16 | Univerve Ltd. | System and plant for cultivation of aquatic organisms |
WO2011099016A3 (en) * | 2010-02-15 | 2012-03-08 | Univerve Ltd. | System and plant for cultivation of aquatic organisms |
EP2691508A1 (de) * | 2011-03-31 | 2014-02-05 | Rival Societe En Commandite | Photobioreaktoren und kulturbeutel zur verwendung damit |
EP2691508A4 (de) * | 2011-03-31 | 2014-12-10 | Rival Soc En Commandite | Photobioreaktoren und kulturbeutel zur verwendung damit |
KR101315886B1 (ko) | 2011-08-25 | 2013-10-15 | 한국에너지기술연구원 | 다면체로 이루어진 광생물반응기 |
US10046326B2 (en) | 2013-01-29 | 2018-08-14 | Pateffect Schutzrechtsmanagement Gbr | Bioreactor suspension |
WO2018007157A1 (en) * | 2016-07-05 | 2018-01-11 | General Electric Company | Apparatus and methods for adjustable volume cell culture |
CN109415670A (zh) * | 2016-07-05 | 2019-03-01 | 通用电气公司 | 用于容积可调节的细胞培养的装置和方法 |
JP2019522978A (ja) * | 2016-07-05 | 2019-08-22 | ゼネラル・エレクトリック・カンパニイ | 調節容積式の細胞培養のための装置および方法 |
JP7026990B2 (ja) | 2016-07-05 | 2022-03-01 | グローバル・ライフ・サイエンシズ・ソリューションズ・ユーエスエー・エルエルシー | 調節容積式の細胞培養のための装置および方法 |
US11566218B2 (en) | 2016-07-05 | 2023-01-31 | Global Life Sciences Solutions Usa Llc | Apparatus and methods for adjustable volume cell culture |
IT201900000355A1 (it) | 2019-01-10 | 2020-07-10 | Thema Informatik Srl | Apparecchio per la coltivazione di alghe in particolare alghe unicellulari e un procedimento per la coltivazione di alghe con un apparecchio |
Also Published As
Publication number | Publication date |
---|---|
DE102004007564A1 (de) | 2005-09-01 |
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