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Photo-bioreactor device and methods

A technology for photobioreactors and photosynthetic microorganisms, applied in the directions of photobioreactors, biochemical equipment and methods, bioreactor/fermenter combinations, etc., can solve problems such as insufficient to achieve rapid and effective consumption of O2

Pending Publication Date: 2019-10-18
奥博拉有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, O in the liquid medium of PBR 2 Concentration and O in the surrounding atmosphere 2 The difference between the pp may not be sufficient to achieve O 2 fast and efficient consumption of

Method used

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  • Photo-bioreactor device and methods
  • Photo-bioreactor device and methods

Examples

Experimental program
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Embodiment 1

[0204] An experimental setup was constructed to demonstrate a system according to an embodiment of the present invention. In particular, the device demonstrates the CO 2 The gas supply to the gaseous atmosphere of the chamber containing the PBR of the type described herein results in CO 2 concentration increases, and the O in the liquid medium contained within the PBR 2 decrease in concentration and pH. This further indicates that efficient O2 occurs through the membrane layer of the PBR unit filled with the liquid medium containing the photosynthetic microbial culture. 2 and CO 2 gas transfer.

[0205] The case study is set up by Figure 24 Simplified schematic representation in . This setup defines a system according to one embodiment of the invention. refer to Figure 24 , most of the features shown in this schematic are the same as those shown in Figures 19a and 19b. Additionally, a tank (83) is shown containing a liquid medium reserve, and the reservoir (71) is h...

Embodiment 2

[0225] In order to show that organism growth and replication occurs within the device, in another similar experiment in the device according to the invention, samples of the liquid medium were taken from the system at different time intervals and measured dry weight for total biomass density and growth rate. As shown in the table below, the total biomass increased by only 0.8 g / l in 8 hours, an increase of more than 40% during this period.

[0226] Table 2

[0227] time(hour:minute) biomass dry weight 00:00 1.9g / l 05:11 2.4g / l 08:15 2.7g / l 24 hours (approx.) 2.9g / l

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Abstract

Photobioreactor devices and units for the production of biomass and remediation of environmental contamination are provided. The bioreactor devices comprise a membrane photobioreactor (PBR), the PBR comprising a liquid medium, at least one photosynthetic microorganism, and at least one outer membrane layer,wherein the membrane layer is comprised of a material that is permeable to gas transfer across the membrane layer; and further comprise a chamber defining a gaseous atmosphere enclosed within, wherein the PBR is located inside the chamber. The devices also comprise a control system which controls the composition of the atmosphere within the chamber. Gas transfer occurs across the membrane layer of the PBR, between the PBR and the atmosphere comprised within the chamber. Systems comprising the devices are provided as well as methods of using the devices for the production of biomass, remediation of wastewater and removal of atmospheric pollutants.

Description

technical field [0001] The present invention relates to photobioreactor devices that can be used to generate biomass and contribute to environmental remediation. Such devices can also remove gases such as carbon dioxide and nitrogen oxides from the environment and can generate oxygen. Background technique [0002] Due to the global shift to reliance on fossil fuel-based energy sources, biomass is becoming increasingly important in energy generation, chemical production, food and feed ingredient production, and other industrial and environmental applications. Biomass from microorganisms is of particular interest because it can be produced faster than other types of terrestrial agricultural biomass (such as corn and soybeans), and once harvested, it can be processed (such as by fermentation or refining) To produce biofuels such as biodiesel, ethanol, butanol and methane (biogas) and / or to produce valuable chemicals and nutrients and / or to produce food and feed ingredients. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/00C12M1/04C12M3/00C12M1/12
CPCC12M21/02C12M23/20C12M23/22C12M23/24C12M23/46C12M25/02C12M25/06C12M27/20C12M31/10C12M1/00
Inventor J·P·梅尔乔里
Owner 奥博拉有限公司
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