746results 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 bioreactor systems and processes for the production of biomass are provided. The systems comprise: at least one bioreactor unit which comprises at least one liquid-containable compartment. The liquid- containable compartment comprises, (i) a first wall, wherein the first wall comprises a composite membrane that is permissible to transfer of gases therethrough, wherein the composite membrane comprises at least one barrier layer and at least one reinforcement layer; and (ii) a second wall, wherein the second wall comprises material that is optically transmissible to visible light and that is substantially less gas permeable than the first wall, wherein the first and second walls cooperate to define the liquid-containable compartment within the bioreactor unit.

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.

The invention discloses a mine microalgae carbon sequestration emission reduction and resource recycling system. The system comprises eight modules including a microalgae culture and closed pipeline photobioreactor microalgae culture module, a CO2 capturing and conveying module and a microalgae after-harvesting and processing module. The prepared culture medium and CO2 captured by an air return way are injected into a closed pipeline photobioreactor through a conveying pipeline, and the closed pipeline photobioreactor is provided with various sensors. Monitoring data are uploaded to the intelligent data analysis and optimization module for analysis and processing, and solution filling and environment parameters are intelligently adjusted through the intelligent monitoring and automatic control module; and collecting combustible gas generated by anaerobic fermentation of the microalgae, processing the primarily screened microalgae, and filtering the mine wastewater. According to the method, efficient culture of mine microalgae, efficient emission reduction and resource utilization of CO2 in a mine return airway and cyclic utilization of wastewater can be achieved, the green and low-carbon sustainable development concept is met, and a new solution is provided for the technical field of mine carbon dioxide emission reduction.

A Method for building a digital twin for a living system, whereas such a system is an organism, preferably a plant, an algae, a water-borne animal, a fungus, and / or a worm, wherein A Provision of a number of multiple living systems of the same type; B Growing the living systems of the same type under different growing conditions; C Determination of one or more parameters of the living system that is or are subjected to a change in over the time period of the growth; wherein multiple data sets are determined and stored, each data set has said parameter or parameters and a time stamp of the time of determination; and D Generation of a digital twin for said living system based on said multiple data set representing different growth stages of said living system.

The invention relates to a control method for efficient culture of photosynthetic organisms, which realizes efficient growth of phycomycetes photosynthetic organisms by intelligently adjusting illumination and culture environment temperature. The control method for the temperature condition of the culture environment comprises the following steps: (1) monitoring the temperature in real time, regularly reading data of a temperature sensor, and transmitting the data to a central control unit; (2) setting a corresponding difference allowable threshold value according to the temperature parameter, wherein the threshold value is correspondingly set according to different biological growth conditions; and (3) after the optimal temperature growth condition is obtained, generating a specific threshold value corresponding to the current temperature environment, converting the threshold value into a control instruction, transmitting the control instruction to a temperature control unit, correspondingly controlling the temperature in the culture equipment, and carrying out constant monitoring on the temperature. By intelligently adjusting illumination and controlling the temperature of the culture environment, environment parameters can be more accurately controlled, it is ensured that photosynthetic organisms are always in the most suitable growth conditions, and the growth speed and quality of the photosynthetic organisms are improved.

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.

The present disclosure provides, among other things, devices and methods for harvesting algae (e.g., microalgae) from algae culture growth media to produce a dried algae product and purified water.

Aspects of seaweed bioreactor apparatus, methods, and systems are described. One aspect is a method comprising: scaling a seaweed biomass and a culture medium in a light-transmitting vessel located in a light-controlling enclosure; and sampling or harvesting the seaweed biomass without unsealing the light-transmitting vessel by: causing, with a controller, a light source to output an artificial light into the light-controlling enclosure that illuminates the seaweed biomass; outputting, with a sensor in communication with the controller, sensory data associated with the culture medium; modifying, with the controller, at least one of the artificial light or the culture medium responsive to the sensory data; intermittently mixing and cutting, with the controller, the seaweed biomass in the light-transmitting vessel; and removing a portion of the seaweed biomass from the light-transmitting vessel and the light-controlling enclosure. Related seaweed bioreactor apparatus, methods, and systems also are described.

The present invention is directed to a multi scaffold-cell construct including: (a) a first scaffold including photosynthetic cells embedded therein, thereon, or both; and (b) a second scaffold comprising non-photosynthetic cells embedded therein, thereon, or both, wherein the first scaffold and the second scaffold are positioned at a distance from one another allowing oxygen flow from the first scaffold to second scaffold.

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.

The invention provides a biomass waste hydrogen production device system and an operation method thereof. The biomass waste hydrogen production device system comprises a biomass waste coarse crushing device, a steam explosion pretreatment device, a hydrolysis reaction device, a hydrolysis slurry storage device, a UASB dark fermentation device, a mixed gas storage device and a mixed gas separation device which are connected in sequence; the UASB dark fermentation device is sequentially connected with the organic acid storage device and the MBR light fermentation device; and the MBR light fermentation device is connected with the mixed gas storage device. The UASB dark fermentation device and the MBR light fermentation device are cooperated, different microorganisms are fully utilized to convert organic matters in biomass wastes into hydrogen and carbon dioxide, efficient biological hydrogen production is realized, and the device is suitable for large-scale popularization and application.

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.

The intention relates to apparatus and a method for capturing and converting carbon dioxide from a production process comprising fermentation. The method comprises obtaining carbon dioxide from the fermentation of the production process, converting at least a part of the obtained carbon dioxide to a composition comprising saccharides; and obtaining the composition comprising saccharides from the step of converting at least a part of carbon dioxide.

The invention discloses a system for monitoring, enriching and separating environmental photosynthetic microorganisms. The system comprises a pure quartz square cylinder body; four gas collection ports are formed in the top of the pure quartz square cylinder body; ten sampling ports and ten oxygen sensors are vertically arranged on each of two side walls of the pure quartz square cylinder body; and a light simulator is arranged above the pure quartz square cylinder body. According to the method, the success rate of separation and pure culture is increased, the experiment time consumption and pollution risk are remarkably reduced, and an efficient and reliable tool is provided for research of photosynthetic bacteria.

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.

The invention provides a new energy power generation prediction system and method, and relates to the field of power generation prediction. An environment monitoring and prediction system is connected with a power generation management and microalgae culture system; according to the environment monitoring and prediction system, an environment monitoring module is connected with a data preprocessing module, the data preprocessing module is connected with a prediction module, and the prediction module is used for modeling and analyzing collected data so as to predict the power generation efficiency of the ocean temperature difference and wave energy power generation device and the microalgae culture pond and periodically update a power generation prediction model. New and old data are fused through iterative training; the power generation management and microalgae culture system comprises a power generation management module, the power generation management module is connected with an ocean temperature difference and wave energy power generation device and a microalgae culture pond, and when it is predicted that the power generation efficiency of the power generation device is low, illumination and nutrition supply of the microalgae culture pond is dynamically adjusted to optimize the microalgae growth rate and biomass. And the efficiency of the power generation device is compensated through biofuel generated by the microalgae, so that the overall power generation efficiency is improved.

The invention discloses a high-throughput environment variable culture box, a culture device and a culture method, and belongs to the technical field of microorganism culture. The high-throughput environment variable incubator comprises a shell, a plurality of frameworks are arranged in the shell in a linear array mode, a plurality of containing holes for containing culture tubes are formed in the frameworks in the length direction of the frameworks, and heat insulation pads are arranged between the frameworks and between the frameworks and the shell. Each framework is internally and independently provided with a heating structure for heating the corresponding culture tube, a lamp strip is arranged on the base at the bottom of the shell, the lamp strips are located under the placing holes, and the lamp strips are perpendicular to the frameworks. By adopting the high-throughput environment variable culture box, the culture device and the culture method, the problems that an existing culture box is single in simulated environment variable and cannot realize cross environment variable culture can be solved, and the high-throughput environment variable culture box has the advantages of safety and convenience in liquid relief and convenience in operation.

The present invention relates to the technical field of microbial culture, and specifically to a photobioreactor for culturing microalgae and a control method thereof. The reactor of the present invention comprises a base frame, a bracket is fixedly installed on the top of the base frame, the bracket consists of a lower plate, an upper plate and a connecting rod fixedly connecting the upper plate and the lower plate, a pipe tube is installed on the lower plate, a circulating flow mechanism is provided at a position corresponding to the tube on the upper plate, and a culture tube is provided between the corresponding tube and the circulating flow mechanism, the culture tube consists of an outer tube and an inner tube, a clamping reversing mechanism and a light source mechanism are provided between the upper plate and the lower plate, and a rotating mechanism for driving the culture tube to continuously rotate is provided between the base frame and the bracket. The control method of the present invention comprises establishing a photobioreactor; starting culture; regulating and controlling culture conditions and re-culturing. The present invention allows carbon dioxide to fully contact with microalgae by allowing algae liquid to flow back and forth, and can also promote photosynthesis of the microalgae.

Systems and methods are provided for processing carbon dioxide-containing gas based on biomass. Such processing may include collection from a point source or atmosphere, drying, treatment, and compression. The compressed gas may be fed into an algae reactor that maintains optimal conditions for algae growth. The algae may be allowed to grow until a predetermined density associated with harvesting is reached. The harvested algae may be processed and packaged. The process may be monitored by sensors and controlled by a computing device in communication with the devices associated with each stage of processing.

The present disclosure teaches an algal growth system. The algal growth system includes a flexible sheet material, a liquid reservoir, a mechanism to rotate the flexible sheet material, a resource reclamation device, and an enclosure. The flexible sheet material facilitates growth of a biofilm. The liquid reservoir is configured to retain a contacting liquid in contact with the flexible sheet material and the mechanism rotates the flexible sheet material through the contacting liquid. The resource reclamation device associated with the enclosure is configured to collect and provide a resource for reuse.

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.