217results about "Photobioreactors" patented technology

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.

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.

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 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 a device (1) for cultivating and harvesting algae, comprising a plurality of ropes (2), a water basin (3) as a cultivation station for the algae, a harvesting device (4) for removing the algae from the ropes (2), and a winding device (5) for winding-up the ropes (2) on the winding device (5), and an unwinding device (6) for unwinding the ropes (2) from the winding device (5), wherein each rope (2) is attached at a first end to the winding device (5) and at a second end opposite the first end to the unwinding device (6), wherein the ropes (2) are tensioned between the winding device (5) and the unwinding device (6), wherein the ropes (2) are guided through the harvesting device (4) or adjacent to the harvesting device (4) in the region of the winding device (5), wherein the winding device (5) and the unwinding device (6) lie opposite one another and the water basin (3) is arranged between the winding device (5) and the unwinding device (6), wherein a section of the ropes (2) is guided through the water basin (3) in a cultivated state, wherein the ropes (2) are or can be guided through the harvesting device (4) for harvesting the algae by winding the ropes (2) by means of the first winding device (5), and wherein the ropes (2) are or can be unwound from the winding device (5) by means of the unwinding device (6) to provide the cultivated state.

This invention discloses a device for regulating oxygen content in a photophytic aquatic body, comprising a culture tube equipped with a light source assembly, a pneumatic piston assembly at the bottom of the culture tube including a dual-function air pump for charging and suction, and a piston plate slidably disposed inside the culture tube; an air box at the top of the culture tube, equipped with a carbon dioxide introduction mechanism and an oxygen removal mechanism. The piston plate reciprocates to circulate the algal solution, facilitating the transfer of oxygen produced by microalgae photosynthesis into the air box. When the oxygen concentration in the air box exceeds a set value, the piston plate automatically accelerates its movement. This accelerated movement of the piston plate also triggers the oxygen removal mechanism to expel the oxygen produced in the air box more quickly, thus regulating the oxygen content and preventing excessive oxygen consumption and carbon dioxide production caused by excessively high oxygen-to-gas mixture concentrations in the air box.

To improve sampling time while collecting microscopic data on the composition of a sample over a wide field of view.SOLUTION: The system includes an infrared radiation source 200 configured to illuminate a broad area of a sample with a beam of infrared radiation, a probe radiation source 222 configured to illuminate the broad area of the sample with a beam of probe radiation, a collector 212 configured to collect as collected probe radiation at least a portion of the probe radiation from each of a plurality of spatially resolved locations on the sample, and at least one camera 250 configured to detect as collected probe radiation at least a portion of the probe radiation from each of the plurality of spatially resolved locations on the sample and generate a signal indicative of infrared absorption corresponding to each of the plurality of spatially resolved locations.SELECTED DRAWING: Figure 2

The invention discloses intelligent feed processing feeding equipment capable of reducing air pollution, and relates to the technical field of feed production, the intelligent feed processing feeding equipment comprises a transmission mechanism, the transmission mechanism is mounted on one side of a fermentation tank, the fermentation tank is filled with silage raw materials, the silage raw materials are subjected to fermentation treatment in the fermentation tank, and the transmission mechanism is mounted on the other side of the fermentation tank; carbohydrates in the raw materials are decomposed through microorganisms, silage raw material fermentation products are used as feed, the feed is put onto the transmission mechanism from the fermentation tank and conveyed through the transmission mechanism, and the top end of the fermentation tank is communicated with a conveying pipeline. Carbon dioxide generated by silage fermentation is collected through the conveying pipeline and directionally conveyed to the algae culture plate through the ventilation shell, the carbon dioxide is converted into organic matter through algae photosynthesis, the carbon dioxide recovery rate is increased, and it is avoided that the carbon dioxide is directly discharged to pollute the atmosphere; meanwhile, the equipment is closed in the whole process and is matched with terminal dust removal treatment, the dust emission concentration is reduced, unorganized emission is greatly reduced, and the environment-friendly requirement is met.

Disclosed are methods and devices suitable for growing algae. In some embodiments, a device suitable for growing algae includes an algae growth-substrate assembly that comprises a pair of algae growth-substrates: an inwards-sloped substrate which directs liquid flowing on an upper surface thereof radially-inwards; and an outwards-sloped substrate which directs liquid flowing on an upper surface thereof radially-outwards, wherein the outwards-sloped substrate is located below and separated from the inwards-sloped substrate so that liquid from the inwards-sloped substrate falls onto the upper surface of the outwards-sloped substrate.

There are disclosed processes and systems of culturing and mixing algal growth medium in at least one open algal aquaculture pond for a continuous flow system without requiring mechanical mixing devices. The process involves constructing an open algal aquaculture pond possessing a fetch selected as a function of a specified wind speed and a wave mixed layer (WML) defined by a specified depth from the surface of the pond; supplying algal growth medium to the open algal aquaculture pond, the pond having at least partially a manmade configuration; and culturing algae in the algal growth medium in the open algal aquaculture pond; and wherein a ratio of the WML of the algal growth medium to a total depth of the algal growth medium in the pond is greater than about 0.2. Also disclosed are uses of the mixed algal aquaculture medium and systems for culturing algae.

A photobioreactor (100) for culturing phototrophic or mixotrophic organisms to produce biomass, the photobioreactor comprising a channel (102) providing a flow path (104) for conveying a culture medium (106) containing organisms to be cultured, the channel providing a length of rotation about an axis and having a cross-sectional profile transverse to the flow path, the cross-sectional profile being configured to cause the culture medium to flow in a laminar flow regime.

Embodiments may provide photobioreactor system such as a vertical growth enhancing mixing spectrum photobioreactor (1) including but not limited to at least one downcomer tower (22) having spiral impressions (211), an upcomer tower (21), an algae-fluid input (10), an algae downward fluid flow (25) in a downcomer tower; a gas input (18) to drive a system flow (250), a gas upward flow (20) in a upcomer tower; a carbon dioxide gas input (27) having a lower mass flow of carbon dioxide than a mass flow in an upcomer tower, a carbon dioxide gas upward flow (26) in a downcomer tower; a counterflow (230) created with the algae downward fluid flow and carbon dioxide gas upward flow; and perhaps even a collection tank (64) for dewatered algae. Each photobioreactor system may be connected to provide a plurality of photobioreactor systems of which can be automatically controlled.

An assembly, methods, and a network for farming and culturing green microalgae (Haematococcus pluvialis) are disclosed. The assembly includes a mechanical support framework; a plurality of cultivation pouches, mechanically coupled to the mechanical support framework, where green microalgae (H. pluvialis) are cultured and harvested; a plurality of light emitting diodes (LEDs), mechanically coupled and supported by the mechanical support framework and arranged in between two cultivation pouches, operable to provide a predetermined light intensities to the cultivation pouches; and an air and gas supply and distribution unit, mechanically coupled and supported by the mechanical support framework, operable to supply predetermined amounts of air and carbon dioxide (CO2) to the cultivation pouches.

The present application provides an algae and bacteria whole-process regulation and tail water treatment system and method in aquaculture, which comprises an ecological breeding area (1), a sedimentation area (2), a filtration area (3), a tail water treatment area (4) and a deep purification area (5). The ecological breeding area (1) comprises a first breeding pond (1-1) and a second breeding pond (1-2), the first breeding pond (1-1) and the second breeding pond (1-2) are communicated through a first water pump (12-1), the water outlet of the second breeding pond (1-2) is communicated with the water inlet of the sedimentation area (2), the water outlet of the sedimentation area (2) is communicated with the water inlet of the filtration area (3), the water outlet of the filtration area (3) is communicated with the first water inlet of the tail water treatment area (4), the first water outlet of the tail water treatment area (4) is communicated with the water inlet of the deep purification area (5), and the second water outlet of the tail water treatment area (4) is communicated with the first water supplement inlet of the first breeding pond (1-1).

A device for cooperatively treating aquaculture tail water by algae and bacteria is provided, including an aquaculture part; the aquaculture part is communicated with a sewage discharge part, and the sewage discharge part is communicated with a tail water treatment part, and the tail water treatment part is communicated with the aquaculture part; the sewage discharge part includes a sewage pipe communicated with the aquaculture part, where one end of the sewage pipe away from the aquaculture part is communicated with the tail water treatment part, and a sewage pump is arranged on the sewage pipe; the tail water treatment part includes a second shell, a bottom end of the second shell is communicated with the sewage pipe, a top end of a side wall of the second shell is communicated with the aquaculture part, several guide plates are arranged in the second shell.

The application belongs to the technical field of bioreactors, and specifically discloses a microalgae bioreactor cooperating with phosgene, which comprises a barrel body, a gas collecting hopper fixedly connected to the bottom of the barrel body, a Venturi nano-bubble generator connected to the lower part of the gas collecting hopper, a liquid delivery pump connected to the Venturi nano-bubble generator, a bubble remover and a light guide structure and a thermometer detachably connected to the barrel body, wherein the light guide structure comprises optical fibers equally spaced and inserted into the barrel body, the optical fibers comprise outer sleeves inserted into the barrel body, and the inner part of the outer sleeves is fixedly connected with light guide cores. In actual use, the Venturi nano-bubble generator can deliver bubbles into the barrel body, the bubbles can drive the microalgae in the barrel body to float, and the light projected by the light guide cores can be refracted, so that the light can uniformly cover the inside of the barrel body, thereby realizing efficient cultivation of the microalgae.

The invention relates to a built-in LED microalgae reactor and a control method thereof.The built-in LED microalgae reactor comprises a reactor cavity used for storing microalgae cell suspension liquid and a plurality of plug-in light panel structures, a plurality of mounting channels are formed in the reactor cavity, each plug-in light panel structure is inserted into any mounting channel according to needs, and each plug-in light panel structure comprises a hollow heat dissipation plate; lED lamp strips are mounted on the surfaces, corresponding to the mounting channels, of the hollow heat dissipation plate, so that the LED lamp strips are arranged internally, light energy enters an algae liquid area along the shortest path, illumination dark areas formed at the top and the bottom of a traditional light guide plate are eliminated, the light energy utilization efficiency and the light field uniformity are remarkably improved, and through the synergistic effect of the heat dissipation channels and the liquid cooling pipelines in the hollow heat dissipation plate, the light field uniformity is improved. Heat dissipation can be achieved through natural convection, circulating heat exchange can be achieved through an external liquid cooling circulating module, temperature threshold triggering type automatic heat dissipation can be achieved, light attenuation increase and light effect reduction caused by LED heat accumulation are effectively avoided, and therefore the system heat stability and the light energy conversion efficiency are improved.

The microalgae wastewater treatment system provided by the embodiment of the invention comprises: 1) a wastewater pretreatment device for performing water quality regulation and control pretreatment on introduced wastewater and conveying pretreated effluent to a multilayer fluidized bed microalgae reactor; 2) a multilayer fluidized bed microalgae reactor used for covering aeration, illumination, temperature control and a multilayer annular flow channel synergistically driven rotatable carrier; the water quality monitoring device is used for monitoring the water quality in the culture process in real time and transmitting monitoring data to the comprehensive controller; the microalgae collecting device is used for collecting the microalgae after the biomass concentration of the microalgae reaches the preset density; the effluent collecting device is used for collecting residual water after microalgae separation and discharging the water after determining that the water reaches a recycling standard, and the comprehensive controller is used for predicting the short-term growth rate of microalgae based on monitoring data and optimizing the aeration rate and the illumination period of the reactor based on the short-term growth rate.

A computer-implemented method for culturing algae in a raceway pond is provided, the method comprising receiving input data indicative of one or more properties of the raceway pond, predicting a state of the raceway pond using a model, based on the input data, and automatically adjusting one or more operating conditions of the raceway pond, based on the predicted state, by outputting a control signal to at least one apparatus, wherein the control signal is calculated to increase or maintain the growth rate of the algae. Also provided is a computer-implemented method, comprising receiving first data indicative of one or more properties of a raceway pond, predicting a state of the raceway pond using a model, based on the received first data, and iteratively receiving further data indicative of one or more properties of the raceway pond from a raceway pond sensing / monitoring apparatus, updating the predicted state of the raceway pond using the model, based on the received further data, and providing an output to a display based on the updated predicted state. Corresponding devices, computer-readable media and systems are also disclosed.

The application provides an external embedding type photobioreactor and application thereof, and belongs to the technical field of bioengineering. The external embedding type photobioreactor is used in the process of aerated culture of microalgae, so that the mixing, mass transfer, photosynthetic efficiency and CO2 fixation efficiency of the algal liquid are strengthened, and the biological yield of the microalgae is improved. In the application, the external embedding type photobioreactor comprises a center column, external elbow pipes connected to two sides of the center column, an embedded curved body and an aeration port at the bottom of the center column. The combination of the external elbow pipes and the embedded curved body ensures the general flow of the algal liquid and the circulation of the backflow, and at the same time, the vortex flow of the algal liquid flow is increased as much as possible, so that the mixing efficiency is promoted. The existence of the embedded curved body guarantees the formation of the overall upward flow and downward flow of the algal liquid, and at the same time, the residence time of CO2 in the reactor is increased, and the carbon fixation efficiency is 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 relates to a method of producing an ester of a fatty acid and a C1-C4 alcohol, comprising successive steps of: cultivating cells of a microalga strain on a growth medium, harvesting the cultivated cells and concentrating them to obtain a wet cell pellet, suspending said wet cell pellet in an hydroalcoholic solution comprising said C1-C4 alcohol, incubating the cell suspension thus formed so as to form said ester of a fatty acid and a C1-C4 alcohol by transesterification and / or esterification of lipids produced by the microalga cells catalyzed by endogenous enzymes of said cells, and recovering said ester of a fatty acid and a C1-C4 alcohol from said cell suspension. The growth medium can advantageously be a dark fermentation effluent.

The application discloses an open supercritical carbon dioxide energy storage system and an operation method thereof, which comprises a thermal power plant unit, a supercritical carbon dioxide energy storage unit, a calcium carbonate heat storage unit and a microalgae unit; carbon dioxide discharged from the thermal power plant unit is used as a working medium of the supercritical carbon dioxide energy storage; the supercritical carbon dioxide energy storage unit can store surplus power during a wind energy and solar energy power generation peak period; the calcium carbonate heat storage unit can store compression heat in a compression process and solar heat, and the stored heat is used for preheating before supercritical carbon dioxide expansion; the microalgae unit can use the discharged carbon dioxide after work is finished as raw material of a microalgae reaction to generate biodiesel; during the wind energy and solar energy power generation peak period, the energy storage time can be prolonged, and the supercritical carbon dioxide can be sealed to the seabed, so that the problems of high carbon emission of the thermal power plant and randomness and fluctuation of the wind energy and the solar energy are solved.

The present invention relates to a heterotrophic methods of culturing algae, particularly Galdieria species, to produce the valuable pigment phycocyanin. The methods rely on high oxygen saturation and controlled base dosing to provide improved phycocyanin production. The present invention further relates to algal biomass, compositions comprising said biomass or phycocyanin, uses thereof in various products, and a reactor for culturing the algae.

The present invention relates to a reactor comprising a vessel (1) for containing: ⋅a mass to be treated, and ⋅at least one lighting device (2a, 2b) intended to promote the treatment of said mass, characterized in that each lighting device (2a, 2b) comprises a light diffuser including at least one micro-etched plate (211) which is transparent to light radiation.

The present invention relates to a mixed system for a culture process and a purification process for preparing an antibody pharmaceutical, in which at least one device selected from a bioreactor, a chromatography device, and a filtration device is made of at least one material selected from a single-use (SU) bag and stainless steel (SS), at least one device selected from a preparation tank and a storage tank for a culture medium and a buffer is made of an SS material, thereby simultaneously obtaining the advantages of an SS process system and an SU process system, cross contamination can be prevented by independent operation of a culture unit and a purification unit, and a process system is designed to be arranged so that outflow from the separate culture unit is caused to flow into at least one purification unit by using a control part to prevent a bottleneck phenomenon in the purification process, whereby, when the mixed system is used in the preparation of an antibody pharmaceutical, the economic efficiency and efficiency of the process can be improved, and a more efficient smart factory can be realized.

The application provides a closed type shellfish breeding carbon sink function research experiment method, and relates to the technical field of breeding ecology research devices, and the method comprises the following steps: putting bait microalgae into a microalgae culture pond, starting a light source supplement device, a chlorophyll instrument and a first water pump, and monitoring the chlorophyll concentration in the microalgae culture pond; when the culture concentration of the microalgae reaches a conveying condition, starting an electromagnetic valve, conveying the microalgae liquid to an animal experiment pond; putting carbon isotope labeled filter-feeding shellfish into the animal experiment pond, starting a peristaltic pump and a second water pump after opening for 1 hour, conveying the water in the animal experiment pond to the microalgae culture pond; monitoring the physicochemical environmental parameters of the system by using a multi-parameter real-time monitor, regularly taking water, and monitoring the physicochemical biological parameters of the system. The method realizes the real-time tracking function of the physiological metabolic carbon flow of the filter-feeding shellfish and the real-time monitoring function of the key physicochemical parameters during the experiment.

A system is disclosed for cultivating algae. The system comprises an irradiation system that is configured to irradiate to-be-harvested algae and an algae properties measurement system that is configured to measure one or more properties of the to-be- harvested algae. The system also comprises a data processing system that is configured to, based on the measured one or more properties of the to-be-harvested algae, determine a pre- harvest radiation recipe. The data processing system is further configured to cause the irradiation system to irradiate the to-be-harvested algae in accordance with the determined pre-harvest radiation recipe.

A method and a culture medium for culturing and growing algae utilizing a flue gas and wastewater from a urea plant and / or an ammonia plant are disclosed. In some instances, cultured algae is combined with one or more solid fertilizers to produce bio-fertilizers.