393results about "Photobioreactors" patented technology

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.

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.

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.

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 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.

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.

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.

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.

The circular moving layout structure, method for the stacked biological culture tray, and a pasture plant are provided, the circular moving layout structure includes display areas, a waiting transfer area and an operation area, wherein each of the display areas includes multiple tray array areas, the tray array area includes multiple tray body areas, and multiple tray body areas are arranged in a single row along a first direction, and one of stacked biological culture tray bodies is correspondingly placed in each of the tray body areas in each of the tray array areas, and the stacked biological culture tray bodies are used for cultivating preset organisms, vertical projection areas of each of stacked biological culture tray bodies in each of the tray array areas on a ground are connected in a rectangular outline, each of the tray array areas is rectangular with long sides in the first direction.

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.

The invention discloses a bacteria-algae separation type rapid propagation system and method and a wastewater treatment method. The bacteria-algae separated rapid propagation system comprises an algae chamber, a bacteria-algae symbiotic chamber, an algae biofilm culturing carrier, a bacteria-algae biofilm culturing carrier, a dissolved oxygen monitoring mechanism, a light intensity monitoring mechanism and a light supplementing mechanism, the algae chamber is communicated with the bacteria-algae symbiotic chamber through a communication channel, the algae chamber is provided with a water inlet channel, the bacteria-algae symbiotic chamber is provided with a water outlet channel, and the bacteria-algae symbiotic chamber is provided with a water outlet channel. The algae biofilm culturing carrier is arranged in the algae chamber, the bacteria-algae biofilm culturing carrier is arranged in the bacteria-algae symbiosis chamber, and a dissolved oxygen monitoring mechanism, a light intensity monitoring mechanism and a light supplementing mechanism are arranged in each of the algae chamber and the bacteria-algae symbiosis chamber. According to the application, a rapid and efficient propagation bacteria-algae symbiotic system can be constructed, the problems of large dosage, high energy consumption, difficulty in large-scale application and the like in early-stage debugging of the existing bacteria-algae symbiotic device are solved, and bacteria-algae aging in actual operation is effectively solved; the space is reasonably utilized, the occupied area is small, and land resources are greatly saved.

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.

A flow control tray for an algae culture fluid, comprising: a base layer extending from a first end to a second end in a base plane; and a plurality of ridges extending from the substrate layer in a first direction, where the substrate layer is adapted to direct flow of an algae culture solution above the substrate plane from the first end to the second end to form an overall flow direction parallel to the substrate layer, where each of the plurality of ridges includes a support, the support exits the substrate plane in a direction perpendicular to the substrate plane and is adapted to support an algae culture membrane wherein each of the plurality of ridges has a three-dimensional shape preferably adapted to bypass the culture fluid in the overall flow direction.

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.

The present invention relates to an integrated microbial generation device, a mobile deployment vehicle, and a method, wherein the generation device includes an inlet water pretreatment module, a water quality monitoring and control module, an algae cultivation module, and a zooplankton expansion module, which are assembled in a box and connected in sequence. The algae cultivation module includes a multi-channel parallel pipeline algae cultivation component. The zooplankton expansion module includes an expansion tank, which is connected in sequence to a zooplankton capture component and a two-way pump through an external transmission pipeline. The inlet water pretreatment module, the water quality monitoring and control module, the algae cultivation module, and the zooplankton expansion module are all electrically connected to an integrated controller. The present invention has developed a set of microbial generation devices that connect in series the inlet water pretreatment, algae expansion, zooplankton expansion, and release. The device can be used for short-term closed cultivation for storage, transportation, and transfer, and can be deployed for long-term continuous expansion at a fixed point. It has good flexibility and can output algae and provide sufficient living zooplankton for aquaculture, water environment improvement, and water ecological restoration.

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.