534results about "Photobioreactors" patented technology

A system and method for quantifying CO2 capture by photobioreactors using microalgal biomass are disclosed. The method involves accurately quantifying carbon dioxide capture by photobioreactors using microalgal biomasses involves determining a unique ratio relating carbon consumed to biomass produced for each microalgae strain. This ratio is then used to predict CO2 removal from flue gases or industrial processes based on the dry mass of the corresponding biomass produced. Machine learning models are also trained on data obtained from the photobioreactors to predict CO2 consumption rates under varying conditions, thereby enhancing the accuracy and efficiency of carbon capture technologies.

A system and method for predictive control of an algae reactor are disclosed. The method involves receiving correlation data from a correlation database, determining one or more correlations between parameters above a predetermined threshold, querying a parameter database to select associated data, training a machine-learning model based on the correlations and selected data, polling sensor data, predicting future values using the trained model, and instructing the algae reactor to perform required actions based on predicted values exceeding operational thresholds. The machine-learning model is trained to optimize predictions for improved control of the algae reactor.

A carbon dioxide capture and sequestration system comprises a growth module, a drying module, a sequestration module and a carbon dioxide recapture apparatus. The carbon dioxide recapture apparatus includes at least one conduit coupled to the growth module, the drying module, and the sequestration module for routing carbon dioxide liberated from at least one of the harvested algal biomass within the drying module and the dried algal biomass within the sequestration module to the growth module.

Apparatuses and methods for microscopic analysis of a sample by simultaneously characterizing infrared absorption characteristics of a plurality of spatially resolved locations are described herein. These apparatuses and methods improve sampling times while collecting microscopic data regarding composition of a sample across a wide field.

The invention belongs to the technical field of biological sewage treatment, and relates to a bacteria-algae particle preparation method and system for promoting bacteria-algae system granulation based on pressure response. The preparation method comprises the following steps: co-culturing the mixed microalgae cultured to a logarithmic phase and aerobic activated sludge in a photobioreactor, in the culture process, jointly regulating and controlling aeration, a carbon source and inlet and outlet water to promote granulation of a bacteria-algae system according to the principle of'pressure-induced stress response ', and controlling dissolved oxygen levels in different periods according to the principle of'unbalanced air supply' during aeration regulation and control; the carbon source regulation follows the principle of unbalanced nutrition to control the COD concentration in different time periods; the water inlet and outlet regulation follows the principle of reducing the settling time, and the water change settling time is gradually shortened in the culture period. The bacteria-algae granular sludge which is good in settling performance, high in dirt-removing power and compact in structure is prepared, the prepared bacteria-algae granular sludge is used for treating sewage and wastewater, pollution of carbon, nitrogen, phosphorus and the like can be efficiently solved, the effluent quality is effectively improved, and carbon emission reduction in the sewage treatment field is promoted.

Through sourcing net-primary productivity additive algae-based biomass feedstock, the exclusive use of renewable energy in processing, and the appropriate formulation and processing, a novel algae-derived bio-based plastic is both carbon-negative and provides some performance advantages over existing algae-based film plastics especially with regard to optical clarity. A system may be provided that produces a carbon-negative bioplastic. The production of the bioplastic in a process chamber may be controlled by an electronic controller. The electronic controller may be controlled by a host system, such a server. The electronic controller may be configured to direct production of the bioplastic in the process chamber using hydrocolloid, which is derived from algae.

Algae harvesting and cultivating systems and methods for producing high concentrations of algae product with minimal energy. In an embodiment, a dead-end filtration system and method includes at least one tank and a plurality hollow fiber membranes positioned in the at least one tank. An algae medium is pulled through the hollow fiber membranes such that a retentate and a permeate are produced.

The invention discloses a sunlight greenhouse microalgae fertilizer in-situ culture device and an application system, and belongs to the field of microalgae fertilizer in-situ application, the device comprises a wall body, the upper part of the wall body is fixedly connected with a storage box, the wall surface of the wall body is provided with an S-shaped pipeline, one end of the S-shaped pipeline is communicated with the storage box, and the other end of the S-shaped pipeline is communicated with the application system; a return pipe is communicated between the other end of the S-shaped pipeline and the storage box through a shunt pipe; the flow dividing pipe is communicated with a plurality of branch pipes, the plurality of branch pipes are communicated with the S-shaped pipeline, electromagnetic three-way valves are arranged at the joints of the branch pipes and the S-shaped pipeline, and the plurality of electromagnetic three-way valves run from morning to evening along with time, so that the flowing distance of the algae liquid in the storage box in the S-shaped pipeline is gradually shortened; according to the device, the S-shaped pipeline and the electromagnetic three-way valve are matched for use, so that the flowing path of chlorella liquid in the S-shaped pipeline is adjusted according to the sunlight intensity, and the light receiving time and the light receiving area of chlorella are controlled.

Disclosed is a system for cultivating and harvesting a cyanobacterial biomass. The system comprises at least one vessel that, when in operation, grows the cyanobacterial biomass in a nutrient growth media under regulated growth conditions and a base unit configured to receive the at least one vessel. The system also comprises at least one light source and a cultivation air pump that, when in operation, supplies light, heat and air to the at least one vessel. Notably, the cultivation air pump supplied air via a one-way air valve in the at least one vessel. The system also comprises at least one photodiode that, when in operation, measure a cyanobacterial biomass concentration in the at least one vessel. Disclosed also is a method for cultivating and harvesting a cyanobacterial biomass.

Photobioreactors are described herein. The photobioreactors include a vessel for cultivating microalgae. The vessel defines an interior chamber comprising a culture containing medium. The vessel has at least one transparent wall to permit passage of light of a frequency necessary to promote growth of the microalgae in the culture containing medium. The vessel also includes a plurality of sensors, each sensor being configured to monitor at least one environmental condition within the photobioreactor, and at least one flow generator positioned within the vessel. The photobioreactor also includes a controller communicatively coupled to each of the plurality of sensors and the at least one flow generator. The controller is configured to: receive sensor data from each of the plurality of sensors, apply a mathematical model to the sensor data to determine when to adjust at least one environmental condition within the photobioreactor and adjust one or more components of the photobioreactor.

The invention discloses a closed double-layer stirring type photobioreactor, and relates to the technical field of microalgae culture. A double-layer special-shaped paddle combination is formed through the composite design of a four-straight-blade overall open turbine type (SK) and a three-blade left-handed push type spiral stirring paddle (TXL), paddle combination optimization is formed through the cooperative flow field design of the TXL paddle (lower layer) and the SK paddle (upper layer), axial-radial flow coupling is achieved, and the material exchange rate between gas and liquid is increased; according to the combined design of the double-layer special-shaped paddles, the proportion of a high-shear area is reduced to be lower than 12% through a wide-area low-strength shear mode of the TXL paddles, the shear stress is greatly reduced, and the problem that the shear stress is too high is solved; a dynamic rotating speed strategy is convenient to implement, and the mass transfer efficiency and the cell activity are both considered by adjusting the rotating speed in stages.

Carbon dioxide containing gas is collected from a point source or atmosphere and is dried, treated, and compressed. The compressed gas is fed into an algae reactor which maintains optimal conditions for algae growth. The algae grows until it reaches sufficient density to be harvested. The harvested algae is processed and packaged for sale. Additionally, revenues may be earned by quantifying the amount of CO2 captured and sequestered by the algae and determining the carbon credit equivalent value. Byproducts may additionally be sold in addition to equipment sales and licensing.

A device for culturing a photosynthetic organism of the present invention includes: a culture tank for accommodating a culture medium containing a photosynthetic organism; and a liquid dispersion portion provided inside the culture tank. Here, the liquid dispersion portion includes one rotary shaft disposed along a vertical direction and at least one liquid flow member attached to the rotary shaft, the liquid flow member includes an ejection portion positioned above a liquid surface of the culture medium, a suction portion positioned below the liquid surface of the culture medium, and a flow path extending between the ejection portion and the suction portion and allowing the culture medium to flow therethrough, and at least a part of the culture tank includes a light-transmitting portion that allows transmission of light from the outside into the inside of the culture tank.

A method includes forming a substrate and coating at least a portion of the substrate with a coating. In some implementations, the coating is a carbonaceous coating. The coated substrate is deployed into a body of water. The coated substrate is at least one of pre-seeded with a target product before being deployed or configured to attract target product present in the body of water so as to become seeded with the target product after being deployed. The coating can transition from a first configuration to a second configuration to adjust a buoyancy of the coated substrate. In some embodiments, the coating is formulated to sequester carbon as it transitions from the first configuration to the second configuration. In some implementations, the coating can be configured to sequester carbon when deployed into the body of water with or without the target product being seeded on the substrate.

A controller for a photobioreactor for promoting the growth of an organism therein, the photobioreactor being configured to receive one or more input media flows and contain the organism while it synthesises one or more output media, the controller comprising one or more processors configured to: receive an optical density measurement for a sample comprising the organism; estimate a biomass of the organism based on the optical density measurement; and adjust one or more of the input media flows and / or a condition of the photobioreactor in dependence on the estimated biomass of the organism.

A system and method for predictive control of an algae reactor are disclosed. The method involves receiving correlation data from a correlation database, determining one or more correlations between parameters above a predetermined threshold, querying a parameter database to select associated data, training a machine-learning model based on the correlations and selected data, polling sensor data, predicting future values using the trained model, and instructing the algae reactor to perform required actions based on predicted values exceeding operational thresholds. The machine-learning model is trained to optimize predictions for improved control of the algae reactor.

The invention discloses a photobioreactor device for microalgae culture, and relates to the technical field of biological growth containers, the photobioreactor device comprises a frame, a mounting rack I, a controller and an incubator shell, a reaction barrel is rotatably arranged in the incubator shell, and a plurality of lantern boxes are sequentially arranged in the reaction barrel from top to bottom; the top of the outer side of each lantern box is provided with a drainage ring, the bottom end of the bottommost lantern box is fixedly provided with a fourth flow guide pipeline, and a plurality of first exhaust pipes used for releasing pressure in the reaction barrel are internally provided with sampling assemblies. Under the conditions that algae cultivation is not affected and waste gas leakage is little, algae samples are obtained from different positions in the photobioreactor device for multiple times, and the culture effect of the photobioreactor device can be conveniently detected.

A system and a method for regulating a living tissue cell are provided. The system includes: a laser source module, a modulation module, an optical fiber module, an imaging module, and a control module. The modulation module is configured for modulating the received first laser based on a preset modulation strategy to determine a regulation light and modulating the received second laser based on the preset modulation strategy to determine an imaging light, wherein the preset modulation strategy refers to a strategy for wavefront modulation of the first laser and the second laser. The regulation light or the imaging light is output to the deep area of living tissue through the multimode optical fiber in the optical fiber module.

An incubator (1) for production of aquatic crustacean offspring (3), wherein the incubator (1) comprises: a main chamber (11); a lower collection chamber (12) which arranged below the main chamber (11). The main chamber (11) and the lower collection chamber (12) are separated by a perforated barrier (14) and are in fluid communication with each other. The main chamber (11) comprises a light source (33) configured to illuminate the main chamber (11). The main chamber (11) comprises a water distribution unit (16) configured to supply water to the main chamber (11). The incubator (1) also comprises a water outlet (21) provided in the lower collection chamber (12) which is configured to drain water from the lower collection chamber (12) in a first state (S1) of the incubator (1). The incubator (1) also comprises a biomass outlet (28) provided in the lower collection chamber (12) which is configured to drain water and aquatic crustacean offspring (3) from the lower collection chamber (12) in a second state (S2) of the incubator (1).

The invention discloses a haematococcus pluvialis culture illumination system based on edge control and a control method, and relates to the technical field of haematococcus pluvialis culture illumination control, and the haematococcus pluvialis culture illumination system comprises a plurality of sensor monitoring modules, a plurality of edge controllers, a plurality of illumination units and a digital twinborn monitoring platform. According to the method, the illumination intensity can be dynamically adjusted according to the actual growth state of algae, and the problem of algae growth inhibition or insufficient astaxanthin accumulation possibly caused in a traditional fixed illumination control mode is solved. All haematococcus pluvialis cultivation is divided into a plurality of areas for more precise control, an edge controller is arranged in each set area range, and the edge controllers can optimize illumination modes in the area ranges based on real-time data analysis. The digital twinborn monitoring platform establishes a three-dimensional digital model of haematococcus pluvialis growth by collecting data of the sensor monitoring module and the edge controller in real time, and real-time visual monitoring is achieved.

The invention provides an efficient carbon sequestration microalgae culture pond, and belongs to the technical field of microalgae culture. Comprising a culture pond outer wall and a separation wall fixedly connected to the middle of the culture pond outer wall, a microalgae growth space composed of a first straight channel, a first bent channel, a second straight channel and a second bent channel is formed in the culture pond outer wall through the separation wall, and algae liquid is arranged in the microalgae growth space. When the device is used, the stirring assembly drives algae liquid to flow along the annular water channels of the first straight channel, the first bent channel, the second straight channel and the second bent channel, when the stirring assembly drives the algae liquid to the high position of the spoiler, the gravitational potential energy of the algae liquid is increased, and the algae liquid is converted into algae liquid kinetic energy through the gravitational potential energy in the flowing process; due to the fact that the spoilers are designed to have a certain gradient, when the algae liquid reaches a certain flow velocity, laminar flow is changed into turbulent flow, so that algae cells in the algae liquid are frequently exchanged up and down, the photosynthetic efficiency is enhanced, and absorption of carbon dioxide is promoted.

The present invention relates to a photobioreactor system which allows the use of carbon dioxide in algae cultivation by fixing carbon dioxide, integrated into closed system small and large cattle breeding activities and breeding activities. Within the scope of the invention, it is also possible to use the obtained algae-derived biomass in animal breeding as feed, in agriculture as biofertilizer, in the food and health sector as coloring and antioxidant pigment, and as biomass for biofuel, biodiesel, bioplastic and bioenergy production. A method for regulating the air supply to a photobioreactor is also disclosed.

Devices, systems and methods for biological sensing and communication using optogenetics and electronics are described. One example method includes generating a light beam incident on multiple regions in a device, wherein each region comprises an optogenetic system to generate, upon interacting with the light beam, biosensors, wherein an interaction between the biosensors and stimulus molecules in each region is associated with a threshold for a production of an output molecule or an alteration of an output property of the output molecule, the biosensors, or the stimulus molecules, wherein the production or the alteration is based on a value associated with an information source, detecting an output received from one or more of the multiple regions corresponding to the output molecule or the output property in that region, and generating an electric signal associated therewith, and processing the electrical signal to determine the value associated with the information source.

The embodiments of the present application relate to a photosynthetic bioreactor system in the field of bioreactors. The system includes at least one bioreactor with a transparent cultivation region for photosynthetic microorganisms; a conditioning device for producing ideal liquid culture medium; a collection device for recovering organic matter from the bioreactor; and a nano-bubble generating device for converting carbon dioxide-containing gas into minute bubbles for liquid introduction. The bioreactor includes a culture medium inlet, a culture medium outlet, and a gas inlet communicating with the transparent cultivation region. The conditioning device connects to each bioreactor's culture medium inlet, the collection device connects to each culture medium outlet, and the nano-bubble generating device connects to each air inlet. The transparent cultivation region has a thickness less than a preset dimension to enable light penetration.

Rotary drum filtering machine and method for filtration of harvested algae. A filtering drum, axially rotatable horizontally, includes a filtration basket with thermally coupled mesh netting for retaining algae and passing through liquid when filtering drum is rotated. Feeding liquid containing algae is fed into filtering drum via inlet pipe. Filtered algae retained on internal surface of filtration basket is scraped and collected, and removed through outlet pipe. Filtration basket is axially embedded and releasably secured to a support frame. Mesh netting is thermally pressed into filtration basket such that filtration basket polymer material penetrates through mesh netting apertures, and polymeric rod thermally pressed onto mesh netting fuses to filtration basket polymer material with mesh netting contained therebetween. Mesh netting includes wired mesh with wire diameter less than 1,000 pm and micron sized apertures having aperture diameter of 1 pm-500 pm to enable filtration of micron sized algae.

A photobioreactor including a containment structure containing a liquid culture medium for cultivating seaweed. The containment structure includes a sidewall extending vertically between a top and bottom section where the bottom section has an effluent arranged to allow extraction of cultivated seaweed. A spiral liner is positioned adjacent to an inside surface of the sidewall. Light emitters are arranged along a surface of the spiral liner. Flow generators, positioned within the containment structure in a spiral configuration between the top section and bottom section, are configured to direct a flow of the liquid culture medium from the top section toward the bottom section of the containment structure.

The invention relates to a process for reusing heat in a protein culture, the process comprising the steps of aerobically fermenting a material with an thermophilic organism to provide a thermophilic fermented culture; and performing a drying process on the thermophilic fermented culture using heat produced during the aerobic fermentation. The invention further relates to a system for reusing heat in a protein culture.

A culture device by which microalgae can be satisfactorily cultured using a simple structure while suppressing an increase in energy consumption, and a culture method. A main body of this culture device comprises an accommodation part which accommodates contents and to which gas is supplied. The inner wall faces of the accommodation part are joined together to form a joined part which extends along the gas supply direction. A guide part and a circulation part, which are adjacent to each other across the joined part, are each along the extending direction of the joined part and communicated with each other via a guide part inlet and a guide part outlet. A gas supply port enables gas supply toward the guide part.

The invention relates to the technical field of deep-sea microorganisms, and particularly discloses a deep-sea in-situ culture device which comprises a protective shell, a cavity is formed in the protective shell, a water inlet and a gas conveying mechanism are arranged on the cavity, the gas conveying mechanism comprises a gas outlet pipe, a pressure swing adsorption oxygen generator is connected to the protective shell, and the pressure swing adsorption oxygen generator is connected to the protective shell. A first gas conveying pipe is connected to the pressure swing adsorption oxygen generator, a gas concentration detector and an exhaust pipe are connected to the first gas conveying pipe, a gas outlet pipe is arranged on the exhaust pipe, a protection plate and a culture mechanism are further arranged on the protection shell, and the culture mechanism comprises a first culture tank, a second culture tank and a third culture tank. According to the device, the gas conveying mechanism is matched with three independent culture units of a first culture tank, a second culture tank and a third culture tank in the culture mechanism, so that the device has the capability of carrying out a multi-dimensional experiment, and the suitability of the device to deep-sea biology multi-dimensional research requirements is remarkably improved; and an efficient experimental platform is provided for living strategies of organisms in an extreme environment.

System and method for growing and harvesting algae. A plurality of growing trays containing growing medium for growing algae are arranged for flow of the growing medium sequentially therethrough. A holding tray configured to hold more growing medium than any one of the plurality of growing trays receives the growing medium from the plurality of growing trays. A pump draws the growing medium from the holding tray back into the plurality of growing trays.