PERMEABLE MEMBRANES IN FILM PHOTOBIOREACTORS

Embodiments of the present invention include photobioreactors with membranes to introduce carbon dioxide into media contained within film photobioreactors. Such membranes can also be used to remove dissolved oxygen from the media. In some embodiments, one or more membrane tubes are welded into a pla...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LETVIN PETER ALLAN, WICKRMASINGHE SUMITH RANIL, TURNER CHRISTOPHER WAYNE, WILLSON BRYAN DENNIS, BABBITT GUY ROBERT
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY BEER BIOCHEMISTRY CHEMISTRY ENZYMOLOGY METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPIRITS TRANSPORTING VINEGAR WINE WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Embodiments of the present invention include photobioreactors with membranes to introduce carbon dioxide into media contained within film photobioreactors. Such membranes can also be used to remove dissolved oxygen from the media. In some embodiments, one or more membrane tubes are welded into a plastic film photobioreactor to make a one-piece reactor. According to some embodiments of the present invention, algae is grown in a photobioreactor using pressure, gas composition, and surface area along with sparging to control the pH in the photobioreactor.