230 results about "Photobioreactor" 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.

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.

The invention relates to the technical field of shellfish breeding, in particular to a rapid microalgae breeding method for shellfish breeding based on a photobioreactor and a cement pool. The method comprises the following steps: firstly, optimizing a photobioreactor structure and an illumination layout, controlling a culture environment by matching with a multi-parameter regulation and control system, breeding microalgae seeds with high resistance and high carbon sequestration capacity, culturing to a preset density, and partially harvesting and inoculating into a cement pond, after partial harvest, the photobioreactor realizes continuous culture by supplementing disinfected seawater and nutritive salt; the harvested high-density microalgae are inoculated into a cement pond, nutritive salt is supplemented in a doubled mode, air and carbon dioxide mixed gas is used for continuous aerated culture, and the microalgae are promoted to rapidly reach the index growth period and used for being directly fed to shellfish larvae; according to the rapid microalgae breeding method for shellfish seedling culture, the yield and quality of microalgae are both considered, the success rate and productivity of aquatic seedling culture are effectively improved, the production cost and the labor intensity of workers are reduced, and the method is suitable for large-scale popularization.

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 invention relates to the technical field of wastewater treatment, and discloses a high-salinity wastewater treatment method and device for achieving bacterium-alga granulation and synergistic denitrification, the high-salinity wastewater treatment method for achieving bacterium-alga granulation and synergistic denitrification comprises the following steps: placing microalgae and aerobic granular sludge in a photobioreactor for initial culture; after initial culture, adding magnetic iron oxide nanoparticles into the photobioreactor, and carrying out enhanced culture, so as to obtain the algal-bacterial symbiotic aerobic granular sludge, and carrying out denitrification treatment on wastewater by utilizing the bacteria-algae symbiotic aerobic granular sludge. The magnetic iron oxide nanoparticles are added in the growth process of bacteria and algae, so that the problems of slow aggregation and nucleation of bacteria and algae, low activity of photosynthetic electron carriers of algae cells under high salt stress, reduction of denitrification efficiency and the like in the ABGS formation process can be effectively solved; rapid aggregation and nucleation of bacteria-algae cells can be synchronously enhanced, the electron transfer efficiency of an algae cell photosynthetic system under high salt stress is improved, and the denitrification efficiency of microorganisms is improved.

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.

The invention belongs to a photobioreactor in the field of bioengineering, and particularly relates to a photobioreactor system with novel LED spectrum design for microalgae cultivation. Which comprises a reaction tank (used for containing algae liquid and assembling a special spectrum light source transparent pipeline and related equipment), a special spectrum light source transparent pipeline combination acting on a reaction system, and an automatic transparent pipeline cleaning device, and is characterized in that a multi-spectrum light source combination lamp strip is placed in the special spectrum light source transparent pipeline; the multi-spectrum light source combined lamp strip comprises a main light source and an auxiliary light source, and the continuous spectrum design parameters of the main light source are as follows: the peak wavelength is 465-495 nm, the main wavelength is 510-535 nm, and the continuous spectrum range is 380-780 nm; according to the continuous spectrum design of the auxiliary light source, the light absorption peak of the microalgae is used as the peak wavelength, multiple continuous spectrums are formed, and the spectrum range is 380 nm to 780 nm. According to the invention, the problem of spectrum design defects of indoor artificial light culture of microalgae and the problem of wall adhesion of microalgae in a transparent pipeline of a special spectrum light source are solved, the photosynthesis efficiency of microalgae is improved, and the yield of microalgae is increased.

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.

The utility model discloses a technology for immobilizing carbon dioxide by microorganisms, and particularly relates to a technology for treating and purifying carbon dioxide in hazardous waste incineration waste gas by utilizing a photobioreactor, and the concentration of finally discharged carbon dioxide is close to that of carbon dioxide in the atmosphere. The flue gas treatment amount of the process system is 100m < 3 > / h, and the main process flow of the treatment is as follows: flue gas passes through a condensing heat exchanger, a spray tower, a chemical regulating tank, a photobioreactor and discharge (gas) / recovery (biomass); wherein a spraying agent in the spraying tower is potassium carbonate which reacts with carbon dioxide in the flue gas to generate a potassium bicarbonate solution, and the potassium bicarbonate solution is collected into the chemical adjusting tank and finally flows into the photobioreactor to serve as a supplementary carbon source; algae liquid discharged by the photobioreactor is collected and then subjected to filter pressing treatment, filtrate is circulated to a spray tower water collecting tank and used for preparing spray liquid, and water circulation of the whole system is achieved.

The invention belongs to the field of industrial application of microalgae, and provides a method for improving astaxanthin produced by haematococcus pluvialis. Comprising the following steps: 1, culturing haematococcus pluvialis to a logarithmic phase; 2, the haematococcus pluvialis is diluted to a proper concentration, and a seed solution for producing astaxanthin from the haematococcus pluvialis is prepared; 3, respectively adding six pre-prepared inducers including creatine, glycine, 6-aminocaproic acid, glutamic acid, L-hydroxyproline and L-cysteine into the prepared haematococcus pluvialis liquid for induction; and 4, continuously filling sterile air into the haematococcus pluvialis liquid added with the inducer in a photobioreactor, culturing, and inducing haematococcus pluvialis cells to accumulate astaxanthin. The invention discloses a method for improving astaxanthin produced by haematococcus pluvialis. The haematococcus pluvialis can be promoted to accumulate a large amount of astaxanthin, and the production cycle of the astaxanthin is shortened. The method is easy to operate, high in efficiency, low in cost and completely suitable for industrial culture of haematococcus pluvialis.

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.

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.

The utility model relates to the technical field of biological photoreaction, in particular to a tubular microorganism photoreactor, which comprises a driving mechanism, a turntable, a culture tube and an LED (light-emitting diode) lamp, a limiting groove is arranged on the turntable, a first threaded hole is arranged in the limiting groove, a base is arranged at the lower part of the culture tube, and a limiting block matched with the limiting groove is arranged at the lower part of the base. A second threaded hole matched with the first threaded hole is formed in the limiting block, a screw penetrates through the first threaded hole and the second threaded hole to fix the culture tube on the rotary table, and then the rotary table is driven by the driving mechanism to rotate, so that the culture tube can rotate, and the illumination of the culture tube is uniform.

1. The name of the product of this design: Photobioreactor (4T\10T\40T). 2. Purpose of the product of this design: used for microalgae cultivation. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

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 belongs to the field of petrochemical engineering and bioengineering, and relates to a device and method for industrial furnace flue gas treatment and waste heat utilization. Comprising an industrial furnace system, a carbon dioxide trapping system and a biological treatment system, the industrial furnace system comprises an industrial furnace, an air blower and a preheater. The carbon dioxide trapping system comprises an induced draft fan, a reboiler, a desorption tower, an absorption tower and a heat exchanger; the biological treatment system comprises a buffer tank, a photobioreactor and a centrifugal dryer; the NOx-containing flue gas discharge pipeline is connected with the photobioreactor, the CO2 discharge pipeline is sequentially connected with the buffer tank and the photobioreactor, the photobioreactor is provided with an algae liquid discharge pipeline, the algae liquid discharge pipeline is connected with the centrifugal dryer, the algae liquid dry air feed pipeline is sequentially connected with the heat exchanger and the centrifugal dryer, and the centrifugal dryer is provided with a dry algae powder discharge port. According to the invention, carbon dioxide and nitrogen oxide in the flue gas of the industrial furnace are treated, carbon dioxide and nitrogen oxide are removed, and the algae powder product with profit is produced.

The invention belongs to the technical field of microalgae biological culture, discloses a method for promoting growth of nostoc by efficiently utilizing a nitrogen source through solid-liquid culture, and aims to solve the problems of low nitrogen source utilization rate and slow biomass accumulation in the conventional culture technology. The method is based on a closed photobioreactor with gas-liquid circulation, and comprises the following steps: preparing a nitrogen-free BG11 culture medium; coating nostoc on the surface of the sterilized porous hydrophilic sponge; placing the sponge in a reactor, and adding the culture medium until no accumulated water is infiltrated; after closing the reactor, controlling the temperature, lighting and other conditions, continuously / intermittently supplementing nitrogen and maintaining certain positive pressure, and circulating the culture medium to supplement nutrition; and taking the sponge after the culture is finished. The utilization rate of a nitrogen source is remarkably increased, the biomass obtained through culture is remarkably increased, culture conditions are stable, and the method is suitable for large-scale development of nostoc and development of high-added-value products.

This invention provides a distributed microalgae photobioreactor and a method for cultivating microalgae. The reactor includes an environmental control chamber, which is at least partially transparent to light. A rotating support frame is located within the environmental control chamber and is connected to a rotation drive mechanism. The rotating support frame supports multiple independent cultivation containers, which are used to hold culture medium and microalgae respectively. The rotation mechanism drives the rotating support frame to rotate, thereby causing the multiple cultivation containers to rotate. The technical solution of this invention achieves physical isolation through independent cultivation containers, ensuring high aseptic reliability. It also achieves efficient mixing, low energy consumption, high and directionally controllable supplemental lighting, and has a wide range of applications and strong practicality.

The invention discloses a concrete wastewater treatment method which comprises the following steps: carrying out precipitation treatment on wastewater to obtain supernate, and enabling the pH value of the supernate to be 7-9 and the concentration of heavy metal ions to be smaller than a threshold value; the supernate enters a photobioreactor, microalgae are cultured in the photobioreactor, and treatment liquid is obtained after culture is carried out for a preset time; the treating fluid is treated by a centrifugal machine to obtain centrifugate, and the centrifugate is filtered to reach the emission standard. The discharged water can be used in the concrete production process, such as stirring water, cleaning water and the like, so that wastewater treatment and reutilization, energy conservation and emission reduction are realized, and the production cost is reduced; meanwhile, water can be returned to the first-stage filtering device, and before the first-stage filtering device, filtering holes of the first-stage filtering device and an ultrafiltration membrane of the first-stage filtering device are flushed regularly, so that blockage is prevented, and the service life of the first-stage filtering device is prolonged.

The invention provides a photobioreactor. The photobioreactor comprises a light-permeable container; the first light supplementing assembly is installed in the light-transmitting container and located in the middle of the light-transmitting container; the reaction tubes are used for containing microalgae suspension liquid, and the multiple reaction tubes surround the first light supplementing assembly and are installed on the light-permeable container; the plurality of second light supplementing assemblies are mounted on one side, back on to the first light supplementing assembly, of the reaction tube; and a controller; wherein the controller can receive the illumination intensity information of the surface of the reaction tube and send instructions to the first light supplementing assembly and the second light supplementing assembly to adjust the light supplementing intensity, so that the stability of the illumination environment in the reactor is maintained. When the external illumination condition changes, the controller controls the light supplementing assembly to adjust the light supplementing intensity according to the monitored illumination intensity change so as to maintain the stability of the whole illumination environment in the reactor.

The invention provides an aluminum electrolysis flue gas treatment and recovery method based on microalgae staged culture, and belongs to the field of biological purification and recycling of industrial flue gas. The method comprises the following steps: pretreating the aluminum electrolysis flue gas to obtain purified flue gas; introducing the purified flue gas into a photobioreactor inoculated with fluorine-resistant microalgae, and carrying out I-stage tolerance period culture to obtain an algae solution; transferring the algae liquid into a photobioreactor, adding CaCl2 into the algae liquid and limiting the supply of a nitrogen source, and introducing purified flue gas into a second photobioreactor to carry out II-stage accumulation period culture, so as to obtain algae slurry; carrying out solid-liquid separation on the algae slurry to obtain algae mud and algae-containing filtrate; the algae mud is subjected to wall breaking treatment and supercritical extraction, and algae oil and algae residues are obtained. According to the application, the pollutant tolerance mechanism and the product synthesis path of the microalgae are triggered by regulating and controlling environmental factors, so that efficient purification of flue gas, fixation of fluorine in the form of biominerals, step-by-step extraction of high-value products from algae and cyclic utilization of algae residues can be synchronously realized.

The application discloses a method for treating cassava starch wastewater by using a microalgae-fungus symbiotic system, and belongs to the technical field of wastewater biological treatment. The method for treating cassava starch wastewater comprises the following steps: pre-culturing oil-rich neochloris oleoabundans to obtain oil-rich neochloris oleoabundans liquid; pre-culturing aspergillus fumigatus to obtain aspergillus fumigatus spores; mixing the oil-rich neochloris oleoabundans liquid, the aspergillus fumigatus spores and filtered and sterilized cassava starch wastewater, and carrying out shaking bed culture to obtain microalgae-fungus biological balls; carrying out sedimentation and sand filtration treatment on the cassava starch wastewater to obtain pretreated cassava starch wastewater; and adding the microalgae-fungus biological balls into the pretreated cassava starch wastewater, carrying out biological treatment in a photobioreactor, and killing algae bacteria to obtain treated cassava starch wastewater. The method has the advantages of good treatment effect, high economic benefit, low cost and low carbon emission, and aims to solve the problems and defects in the prior art.

The utility model discloses a photobioreactor, which relates to the technical field of reactors and comprises a support plate, a reaction container is fixed at the upper end of the support plate, an L-shaped support plate is fixed on the upper end face of the support plate and positioned on one side of the reaction container, one end of a horizontal section of the L-shaped support plate is connected with a connecting ring, and a U-shaped rod is fixed on the upper end face of the connecting ring. An annular lamp strip is fixed to the lower end face of the connecting ring, an electromagnetic valve is installed on the top of the side wall of the air supplementing pipe, and one end of the electromagnetic valve is connected with a connecting hose. According to the device, carbon dioxide is supplemented into the reaction container through the air supplementing pipe, favorable conditions are provided for photosynthesis of algae, the air supplementing pipe and the turning plate can be driven to move up and down through stretching and retracting of the telescopic air cylinder, a nutrient solution is stirred through the turning plate, nutrient substances are evenly distributed, and the utilization rate of the nutrient solution is improved. Therefore, the growth rate and the biomass yield of the microalgae are ensured.

1. The name of the design product: microalgae photobioreactor (flat type). 2. The use of the design product: the product is used for the cultivation of microalgae. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. Other circumstances that need to be explained: the A part marked in the perspective view of the product is transparent glass material.

This invention relates to the field of wastewater treatment technology, and more particularly to a wastewater treatment device based on an algae-bacteria symbiotic photobioreactor, comprising: a mounting frame and a treatment tank fixed inside the mounting frame. The treatment tank contains a reaction assembly, which includes a drive rod and a reaction spiral blade. The drive rod is vertically positioned inside the treatment tank, and the reaction spiral blade is fitted onto the drive rod. The reaction spiral blade has reaction holes and contains a biological reaction layer. A collection hood, shaped like an inverted frustum, is located at the bottom of the treatment tank. Two symmetrical outlets are located at the bottom of the collection hood. A collection assembly, comprising a sealing ring, a guide ring, a movable rod, and a collection box, is located below the collection hood. The sealing ring is fixedly connected to the bottom side of the collection hood. This invention causes the generated sediment to converge centripetally at the bottom of the treatment tank, avoiding the formation of eddy current dead zones.

The present invention relates to a static mixer for a tube reactor comprising one or more reactor tubes. The static mixer comprises a unit positioned inside one or more of the reactor tubes. The invention also relates to a tube reactor and a photobioreactor comprising such a static mixer. In particular, the invention relates to a static mixer (1) for a liquid comprising a first end, an inlet end (2), and a second end, an outlet end (3), which liquid flows in direction from the inlet end to the outlet end (3) during operation, wherein the static mixer (1) comprises at least two walls (4) which walls (4) at the inlet end (2) each extends radially between a central position of the static mixer (1) and a peripheral position of the static mixer (1) dividing the liquid flow into at least two separate flows, and which walls (4) extend in a longitudinal direction corresponding to the overall flow direction and comprise means (7) configured to provide at least two vortices at the outlet end (3) of the static mixer (1).

This invention related to photobioreactor providing a modular, scalable, and sustainable system for efficient microalgae cultivation, addressing diverse applications such as biomass production, environmental remediation, and bio-compound extraction. This system includes; a body constructed within a standard 20-foot corten steel, an airtight chamber which occupies approximately three-quarters of the body's internal volume for 10 containing the freshwater or saltwater needed for microalgae cultivation, a lightning system (3) including a plurality of LEDs which are programmable and adjustable in both intensity and duration, allowing precise management of lighting conditions to optimize microalgal growth, which is installed on the body ceilin an aeration and mixing system that providing CO2 for photosynthesis from air by a compressor (1) and 15 mixing the biomass within the chamber, a feeding system (4) ensuring a continuous and controlled supply of essential nutrients to the microalgal culture, a photocatalytic filter (2) purifying contaminants in air before being injected into the reactor, a control unit (5) that monitors and manages all key operating parameters of the photobioreactor in real- time, such as pH, temperature, CO₂, and nutrient concentration, photovoltaic panels 20 providing electrical energy for reactor, which is mounted outside of body and a filter (8) that filters contaminants in the water which is sent by a pump.