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A fluid agitator device for facilitating development of algae or micro-algae in trays or photobioreactors

A technology of photobioreactor and fluid stirring, which is applied in the direction of mixer with rotating stirring device, mixer accessories, transportation and packaging, etc., which can solve the problems of expensive, limited application, complicated solar concentrator, etc.

Inactive Publication Date: 2013-10-09
ASTRA A SWEDISH CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The high cost of maintaining such cultures limits their use to large-scale cultures of high purity, for extraction of biomolecules of high commercial value, and for inoculation in open systems.
[0011] Furthermore, the use of solar concentrators in combination with photobioreactors is known, for example, to concentrate solar radiation together and to allow greater penetration of the solar radiation in the algae; however, such solar concentration devices are complex and expensive

Method used

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  • A fluid agitator device for facilitating development of algae or micro-algae in trays or photobioreactors
  • A fluid agitator device for facilitating development of algae or micro-algae in trays or photobioreactors
  • A fluid agitator device for facilitating development of algae or micro-algae in trays or photobioreactors

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Embodiment Construction

[0032] In this specification, the term tray is used to denote any open container suitable for containing liquids and for the cultivation of algae, microalgae, etc. Closed containers suitable for culturing algae, microalgae, etc. The term algae or microalgae is intended to include various forms of plant life suitable for cultivation in water in trays or photobioreactors and which can be used to generate biomass, biofuel, and the like. During the following non-limiting description of certain embodiments of the invention, reference number 1 denotes as a whole a fluid agitator device for promoting the growth of algae or microalgae in a water tray 20 or photobioreactor. The stirrer device 1 may comprise at least a starter device 2 . The stirrer device 1 or the starter device 2 may comprise at least a photovoltaic module 3, such as a photovoltaic panel, adapted to absorb light radiation to generate electrical energy.

[0033] In the exemplary embodiment of the figures, two photovo...

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Abstract

A fluid agitator device for facilitating development of algae or micro-algae in trays (20) or photobioreactors, the device comprising at least an actuator device (2) having at least a photovoltaic module (3) destined to absorb a light radiation in order to produce electric energy and at least a motor (4) which is operatively connected to the photovoltaic module (3); and further comprising at least an agitator element (5) which is mobile and activatable by means of the motor (4) and is at least partly insertable in a tray (20) containing water or in a photobioreactor for moving algae or microalgae contained in the tray (20) or photobioreactor.

Description

technical field [0001] The present invention relates to a fluid agitator device for promoting the growth of algae or microalgae in trays or photobioreactors. The term tray or photobioreactor may also refer to pots, fermenters and other devices suitable for culturing algae and microalgae. The present invention is applicable to the cultivation of organisms such as algae, microalgae, etc. that are suitable or useful for producing oil, biomass, biofuel, feed, and the like. Background technique [0002] The use of biomass as a renewable energy source is known, for example by combustion of biomass or by gasification followed by combustion to generate electricity, or to obtain oil that can be used for combustion, or to produce biofuels. As sources for generating biomass, the prior art includes the use of corn, soybeans, canola (a type of rapeseed), jatropha (jatropha fruit), hazelnuts, oil palm, but the best performance (in terms of per unit expressed in liters of oil produced on...

Claims

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Application Information

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IPC IPC(8): B01F7/00B01F7/18B01F13/00B01F15/00
CPCB01F2215/0052B01F15/00558B01F7/18B01F13/0049B01F7/0025B01F27/112B01F27/90B01F33/503B01F35/32055B01F2101/305
Inventor E·扎利奥
Owner ASTRA A SWEDISH CORP
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