63 results about "Algae growth" patented technology

The invention discloses a polluted river water nitrogen and phosphorus removal efficiency evaluation system and method based on element analysis, and relates to the technical field of sewage treatment evaluation. An algae growth dynamic model is trained, and the future growth dynamic state of algae is obtained according to future water body data and future environment driving data; the method comprises the following steps: analyzing the interference influence of interference ion concentration on sensor measurement according to future water body data, dynamically simulating the attachment rate and biofilm thickness of algae on the surface of a sensor probe according to future growth of the algae, analyzing the attachment influence of the algae on sensor measurement, and correcting the measurement precision of the sensor according to the interference influence and the attachment influence. According to the corrected sensor data, whether the nitrogen and phosphorus removal efficiency of the polluted river water meets the removal standard or not is evaluated, real-time correction of the sensor data is achieved through interference ion concentration analysis and dynamic simulation of biological adhesion influence, and the accuracy of monitoring data and the scientificity of pollution treatment efficiency evaluation are effectively improved.

The present invention relates to the technical field of algae growth value-added prediction. Disclosed are an algae growth value-added prediction system and device. The present invention comprises a sensor system, a data acquisition module, a processing unit, a prediction module, an analysis module, a communication module, and a repository. The sensor system is used for monitoring various parameters of an algae growth environment in real time and transmitting acquired data to the data acquisition module. The present invention achieves accurate monitoring and prediction of algae growth environment parameters by means of real-time monitoring and data processing. The system can not only optimize algae growth conditions and value-added production efficiency, but can also implement accurate prediction model adjustment by comparing prediction data with actual data by means of an analysis module, thereby improving the scientificity of decision-making and the efficiency of production management. Furthermore, data is transferred to a user interface by means of a communication module, thereby implementing real-time monitoring and feedback of environmental parameters and system state by an operator, and effectively supporting decision-making and adjustment.

A launder cover system for reducing or eliminating sunlight exposure so as to prevent algae growth in a tank such as a clarifier tank. The launder cover system generally includes a plurality of support members and a plurality of launder covers which are each independently pivotably connected to a tank wall of a tank, such as by using a mount. The support members are each pivotably connected to the tank wall by a pivot connector and the launder covers are each pivotably connected to the tank wall by a hinge connector. Each support member is positioned between a pair of launder covers, and each launder cover is positioned between a pair of support members. The support members function to support the launder covers in a raised or lowered position. A launder support may be connected to the channel wall to support the launder covers in their lowered positions.

To solve such a problem that cultivation of seaweeds that generate blue carbon is committed to a natural environment which is very limited to shallows where sunlight reaches (=0.2% of the entire sea), the cultivation region may decrease but cannot increase because of installation of a port, tourism development such as a swimming beach, and expansion of commercial facilities, sunlight sometimes cannot sufficiently reach the cultivation region because of weather conditions and the ebb and flow of the tide, which makes the cultivation insufficient, and furthermore, an outbreak of red tides may inhibit algae from growing.SOLUTION: In a blue carbon system, a sealed wooden box is installed to each of the four corners of a wooden frame of a 12 m-sized wooden artificial island unit; a culture soil unit for cultivating algae is placed on the wooden frame; buoyancy of the four sealed wooden boxes and weight of the culture soil unit are controlled to be well balanced; and upper sides of the four sealed wooden boxes are set to be exposed from the water by approximately 30 cm while taking the water depth into account so as to provide a best growth condition of the algae.SELECTED DRAWING: Figure 1

The present invention relates to the field of water quality monitoring. Disclosed are a device and method for monitoring algae content in a reservoir, which are used for solving the problem that monitoring data is affected by the environment when the environment is not conducive to data monitoring. The method comprises: acquiring light data of collection points in real time; carrying out calculation to obtain a light non-uniformity coefficient of the collection points; performing light correction on the basis of the light non-uniformity coefficient; monitoring algae data collected at the light-corrected collection points; carrying out calculation to obtain a biological influence coefficient, a physical influence coefficient, and a chemical influence coefficient; comprehensively evaluating to obtain an algae content index; on the basis of the algae content index, issuing an algae content excess warning; collecting the algae content index within a detection time period; using an ARIMA model time series analysis method to predict an algae future growth trend; and, on the basis of the growth trend, issuing an algae growth speed excess warning, thereby effectively improving the accuracy of monitoring algae data.

The invention is applicable to the technical field of new energy materials and water treatment, and provides solar-driven multifunctional composite hydrogel and a preparation method and application thereof, the multifunctional composite hydrogel comprises dual-network hydrogel, a nanofiber skeleton and functional particles; the double-network hydrogel is formed by interpenetrating and cross-linking a polyelectrolyte hydrogel and a temperature-sensitive hydrogel; the functional particles are loaded in a three-dimensional porous network structure formed by the double-network hydrogel and the nanofiber skeleton. When the device floats on the surface of a water body, efficient solar interface evaporation water production, stable power generation based on the water photovoltaic effect and efficient adsorption removal of nitrogen and phosphorus nutritive salt in the water body can be synchronously achieved under illumination, and therefore algae growth is inhibited. According to the invention, the integrated collaborative management of water collection, energy conversion and ecological restoration is realized, the preparation process is simple, the environmental adaptability is high, and an innovative scheme is provided for solving the distributed water-energy supply and ecological environment problems in coastal, island and other regions.

The invention discloses a desert blue-green algae large-scale culture nutrient solution and application thereof. The desert blue-green algae large-scale culture nutrient solution is prepared from urea, monopotassium phosphate, potassium chloride, sodium bicarbonate and medium trace element fertilizer. Wherein the concentrations of the urea, the monopotassium phosphate, the potassium chloride, the sodium bicarbonate and the medium trace element fertilizer are 500-550 mg / L, 20-30 mg / L, 10-15 mg / L, 10-15 mg / L and 10 mg / L respectively. The invention provides a nutrient solution special for large-scale cultivation of desert blue-green algae, and solves the technical problems of high cost, low yield and low blue-green algae purity of large-scale cultivation of desert blue-green algae in the prior art. The nutrient solution composition provided by the invention can balance each nutrient composition, so that the nutrient composition can be more suitable for the nutritional requirements of the growth of the desert blue-green algae.

A water distribution regulation method for reclaimed waterway landscape environment based on algae risk control, comprising: according to the water source characteristics of seasonal river landscape environment water and the hydraulic characteristics of river water, based on the algae growth curve of indicative algae species, controlling algae risk with nitrogen-phosphorus ratio and water replacement rate as control indicators; based on the nitrogen-phosphorus ratio and water replacement rate, constructing a joint regulation model for water-quantity and water-quality of the river incorporating reclaimed water; based on the joint regulation model, optimizing the nitrogen-phosphorus ratio of the river water environment with the indicative algae species; based on the optimized nitrogen-phosphorus ratio, optimizing the joint regulation model; and utilizing the optimized joint regulation model to perform joint regulation of water quantity and water quality.

The invention relates to the technical field of soilless culture, in particular to a convenient household soilless culture vegetable planting device. According to an existing device, a nutrient solution is inconvenient to recycle in the cultivation process, a large amount of nutrient solution is wasted, the growth speed of green algae is too high, the nutrient solution and cultivation are polluted, and therefore the cultivation quality is reduced. The device comprises a supporting frame, the lower portion of the supporting frame is fixedly connected with a water tank, and the supporting frame is fixedly connected with three culture groove frames. A nutrient solution is pumped through the circulating water pump and conveyed into the culture groove frame, the nutrient solution can provide nutrition and water for culture, under the pushing force of the nutrient solution, the clean nutrient solution can push the original nutrient solution into the other flow guide pipe, then the nutrient solution in the culture groove frame is replaced, and the operation is repeated, so that the nutrient solution is replaced, and the culture efficiency is improved. By means of the operation, cyclic utilization of the nutrient solution is achieved, waste of the nutrient solution can be reduced, and the breeding speed of green algae is decreased.

Examples described herein include systems and methods for improved water level management in a body of water, such as a pool, spa, or pond. An example system includes a water sensor in a static pipe connected to a body of water, a processor receiving signals from the sensor, a memory, and a battery charged via a low-power data channel. When the sensor detects a low-water-level condition, the system opens a fill valve to add water to the body of water. An ultraviolet light can illuminate a portion of the pipe for purposes of preventing algae growth, and an orientation sensor provides a level of safety by deactivating the light for orientations outside a threshold range that could indicate installation or maintenance on the system. The system components can all be contained in a housing that can be mounted to an end of the static pipe.

The utility model discloses an algae fermentation device and relates to the technical field of algae fermentation devices. The device comprises a fermentation tank, the fermentation tank is provided with a ventilation mechanism and a dismounting mechanism, the ventilation mechanism comprises a filter box fixedly connected to the outer wall of the fermentation tank, the left side of the filter box is fixedly connected with a ventilation pipe, and the inner wall of the fermentation tank is fixedly connected with a gas distribution pipe. And the bottom of the filter box is fixedly connected with a connecting pipe. According to the utility model, the ventilation mechanism is arranged, specifically, when gas needs to be introduced into the fermentation tank, the gas enters the filter box and the filter unit through the ventilation pipe to filter impurities, microorganisms and the like so as to prevent the impurities, the microorganisms and the like from influencing algae fermentation, and the filtered gas enters the gas distribution pipe through the connecting pipe and is uniformly released into algae liquid in the fermentation tank through the aeration holes; a suitable gas environment is provided for algae growth, the fermentation process is guaranteed to be smoothly carried out, and the algae fermentation efficiency and quality are effectively improved.

A method for surface water remediation and prevention and mitigation of harmful algal blooms includes the steps of receiving nutrient-rich water from a body of water; cultivating a first type of algae in the raceway algae growth pond to absorb and reduce nutrient concentrations in the nutrient-rich surface water; flowing at least a portion of the nutrient-rich surface water treated in the raceway algae growth pond to an attached algae flow way connected downstream of the raceway algae growth pond; cultivating a second type of algae in the attached algae flow way to further absorb and reduce nutrient concentrations in the nutrient-rich surface water; and returning at least a portion of the nutrient-rich surface water treated by the raceway algae growth pond and the attached algae flow way to the body of water.

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 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 utility model relates to the technical field of blueberry planting, and discloses a planting pot which comprises a double-layer structure composed of an inner pot body and an outer pot body, an air flowing interlayer is located between the inner pot body and the outer pot body, the inner pot body is black, the outer pot body is white, inner ventilation holes are distributed in the inner pot body, and the outer pot body is provided with outer ventilation holes. Inner ventilation holes are distributed in the inner pot body and located in the lower side position of 2 / 3 height of the inner pot body, outer ventilation holes are distributed in the outer pot body and located in the lower side position of 2 / 3 height of the outer pot body, and drainage holes are located in the pot bottom ends of the inner pot body and the outer pot body. The planting pot provided by the utility model is of a double-layer structure consisting of the inner pot body and the outer pot body, and has a certain heat insulation effect. The outer pot body is white and can reflect sunlight, heat absorption of the pot body is reduced, and damage of high temperature in summer to roots is avoided. The color of the inner pot body is black, and black can restrain growth of algae and promote the light-proof environment of the root system at the same time.

A method of controlling odor where the odor is generated by sources like decomposing organic matter in landfills or other sources is provided. A wood vinegar-containing solution, adjusted for the source of the odor, can be applied to the source of the odor. A method of improving the rate and completeness of settling of fine clays from oil sands tailings is also provided. Additional disclosure of a method of controlling algae bloom in a body of water is disclosed. The method includes the steps of providing a wood vinegar-containing solution, adjusting the composition of the wood vinegar-containing solution according to the states of both the body of water and the algae, respectively, then applying the wood vinegar-containing solution to the surface of a body of water, and inhibiting growth of the algae responsible for the algae bloom.

An underwater sound generation device may be used for effective control of algae and other microorganisms in ponds and lakes. The sound projector may comprise a thermoacoustic sound transducer and an electronic unit for controlling the operation of the projector. The thermoacoustic projector may include a freestanding carbon nanotube (CNT) film encapsulated between two vibrating plates. The inert gas filled thin acoustical cavity provides a piston-type displacement of the plates and supports a high-temperature operation. A power supply driver, controlling the operation of the sound radiating system, may include a pulse generator, high-power switch amplifier, and a cable, connecting the projector with an electronic driver. The sound control system may provide an omnidirectional sound pressure level in a wide frequency range to affect the algae growth ecosystem over large distances.

The utility model relates to the technical field of water purification, in particular to a microbial water purification device which comprises a barrel, a water inlet pipe is mounted on the upper surface of the barrel, a water drainage pipe is mounted on the lower surface of the barrel, a first semi-permeable membrane is fixedly connected to the inner wall of the barrel, a second semi-permeable membrane is fixedly connected to the inner wall of the barrel, and the first semi-permeable membrane and the second semi-permeable membrane are fixedly connected to the inner wall of the barrel. An observation window is installed on the inner wall of the cylinder body, a sliding rail is fixedly connected to the surface of the cylinder body, a sliding groove is formed in the surface of the sliding rail, and a protective cover is placed on one side of the observation window. According to the scheme, algae fungal microorganisms are used for efficiently purifying sewage, the state of the algae fungal microorganisms is observed in real time through the observation window, and the progress condition of the purification process is known in time, so that an operator can take corresponding measures according to the actual condition, and if the algae are supplemented when the number of the algae is too small, the operation is convenient. Or regulation and control are carried out when algae breeding is excessive, so that the purification effect is optimized, and large-scale application is facilitated.

The invention provides a water transparency environment-ecological coupling analysis method. The method comprises the following steps: acquiring real-time turbidity data of a target water body; constructing a water turbidity and suspended matter concentration relation model based on the turbidity data, and calculating the suspended matter concentration of the target water body; analyzing the concentration of the suspended solids according to the lab rules of sedimentation and resuspension of the suspended solids to obtain a concentration change result of the suspended solids; fitting a suspended matter concentration change result to obtain a data relation model among the water transparency, the turbidity and the chlorophyll concentration, and obtaining an initial water transparency value; analyzing based on the water transparency value to obtain the algae concentration under the corresponding environmental characteristics; and realizing real-time analysis and effective prediction of the shading effect of the water body by dynamically adjusting the transparency value of the water body based on the influence relationship among the turbidity, the algae growth and the transparency of the water body. The water quality monitoring accuracy and efficiency can be improved, and powerful technical support can be provided for water environment treatment.

The application discloses application of marine actinomycetes of Saccharothrix sp. in improving heat resistance of algae and / or promoting growth of algae, and relates to the technical field of microbial mutation breeding. The marine actinomycetes of Saccharothrix sp. is screened by using a method of ultraviolet mutation. Compared with a wild type, the bacteria can obviously improve the high-temperature resistance of algae, and has the characteristics of promoting the growth of algae. It is indicated that the bacteria strain has good application prospect of improving the heat resistance of algae and / or promoting the growth of algae.

The application discloses a solar landscape ultrasonic atomization light-shielding and algae-inhibiting floating island, which comprises a floating island body, a plurality of circumferential array arranged ultrasonic atomization nozzles, solar panels and winding mechanisms are installed on the outer side of the floating island body, and integrated control modules and propellers are respectively installed on the upper and lower sides of the floating island body; the ultrasonic atomization nozzles, the solar panels, the propellers and the winding mechanisms are electrically connected with the integrated control modules. The application utilizes solar energy to continuously provide power for the ultrasonic atomization nozzles, carries out ultrasonic atomization, and the atomized water droplets shield light, so that the underwater light intensity decreases and the photosynthesis intensity of algae is weakened, thereby achieving the purpose of inhibiting the growth of algae, and the application also has a certain landscape effect. When the counterweight balancing block is controlled by the winding mechanism and is wound by water grass, the rising pressure will push the folding piece to pop out the cross-shaped cutter, the cross-shaped cutter is cut off near the water grass in an instant, and the counterweight balancing block is conveniently recycled above the water surface.

The invention discloses a novel in-situ primary productivity testing system, and relates to the technical field of aquatic ecology monitoring. Comprising an excitation light source module, an in-situ culture module, a fluorescence detection module, a control module and a data processing module, the excitation light source module comprises at least two excitation light sources with different wavelengths, at least one of the excitation light sources comprises a quantum dot material, and the excitation light sources are used for performing spectrum regulation and control on light emitted by the light sources so as to output specific excitation light; the in-situ culture module is used for performing in-situ culture on target algae and maintaining an in-situ environment for algae growth; the control module is respectively connected with the excitation light source module and the in-situ culture module, and is used for controlling the running state of the in-situ culture module and the alternate lightening time sequence of the at least two excitation light sources; and the fluorescence detection module is used for detecting characteristic fluorescence emitted by target algae after being excited by the excitation light source, and acquiring an intensity parameter of the characteristic fluorescence.

The present application relates to a kind of preparation methods of composite photocatalyst, utilize metal load to inhibit photoelectron-hole recombination, and utilize RuO2 To generate hypochlorous acid by precipitation of chlorine ion in water, the characteristics of electron transfer of Pt are cooperated to speed up reaction rate, improve yield.Hypochlorous acid is used to remove nitrogen-containing nutrient substance, to control the growth of algae from source.Chlorine ion realizes circulation, reduces the use of chemical reagent in removal process and the generation of secondary pollution.In addition, the photocatalyst in the present application can realize the control and removal of algae under solar irradiation, greatly saves cost.

The utility model discloses a miniaturized planktonic algae culture instrument, which belongs to the field of planktonic algae culture equipment, and comprises a culture box body, a temperature control system, an aeration system, an illumination system and a sampling system, through a temperature control system combining a TEC refrigeration sheet, a water bath device and an external water cooling device, accurate control over the growth temperature of the floating algae can be achieved; a gas flow meter in the aeration system can accurately measure and control the gas flow, so that the stepless regulation of the aeration intensity is realized; the illumination system adopts a dimming controller to control the luminous intensity of a multiband LED lamp, and stepless regulation of the illumination intensity can be realized in combination with feedback of an illumination intensity sensor; the whole instrument is small in size and convenient to use in limited spaces such as small laboratories and teaching places, and meanwhile the manufacturing cost and energy consumption of equipment are reduced.

The invention discloses a multi-bacteria enzyme composition for water purification treatment and application, and relates to the technical field of water purification. The microbial agent is prepared from the following components in parts by weight: 15 to 30 parts of rhodopseudomonas palustris, 15 to 30 parts of bacillus subtilis, 25 to 35 parts of serratia marcescens, 25 to 35 parts of denitrifying pseudomonas, 25 to 35 parts of lactic acid coccus, 25 to 35 parts of bacillus amyloliquefaciens and 25 to 35 parts of rhodotorula benthica. The synergistic effect of the flora can inhibit the outbreak of harmful algae, promote the growth of beneficial algae, improve the flocculation performance of a water body and effectively improve the transparency. Meanwhile, the composition has a remarkable removal effect on key pollution indexes such as ammonia nitrogen, COD (Chemical Oxygen Demand), BOD (Biochemical Oxygen Demand), suspended solids and total phosphorus, so that the systematic repair of the water body is realized.

This invention discloses a method for predicting the three-dimensional spatiotemporal distribution of algae in aquatic bodies based on a physical information neural network (PINN), belonging to the field of algal bloom prediction and control technology. Addressing the problems of poor generalization of purely data-driven models, difficulty in fitting purely mechanistic models, and insufficient vertical fitting ability in existing algal distribution prediction methods, this invention integrates the advantages of physical mechanisms and data-driven algorithms. It embeds the advection-diffusion-response (ADR) equation of algal growth into the loss function of a physical information neural network (PINN), constructing a hybrid prediction model that combines data fitting accuracy with physical constraints. This achieves accurate prediction of the three-dimensional spatiotemporal distribution of algae and inversely obtains physically meaningful ecological parameters. This invention improves the accuracy, generalization, and physical interpretability of algal distribution prediction and can be effectively applied to the monitoring, early warning, and aquatic ecological environment management of harmful algal blooms.

This invention discloses an algae-bacterial symbiosis device and its application in purifying air in enclosed spaces. The algae-bacterial symbiosis device provided by this invention can not only purify odorous gases containing VOCs using microorganisms, but also fix CO2, the metabolic end product of odorous gases, through algal photosynthesis, while simultaneously treating CO2 generated by human activities. It purifies the air and provides sufficient oxygen, serving as a source of indoor air. The algae-bacterial symbiosis device operates at normal temperature and pressure, requiring only electrical energy input and no additional energy consumption (such as fuel), resulting in significant economic benefits and low-carbon characteristics. Furthermore, the device does not produce secondary pollution; the purified indoor air can be reused indoors, and the nutrient solution required for algae growth and metabolism can be recycled without external discharge. This algae-bacterial symbiosis device enables air circulation within enclosed spaces and features small size and high purification efficiency.

The invention discloses an intelligent algae inhibition method based on algae growth prediction and multi-modal ultrasonic self-adaption, and belongs to the technical field of environmental protection and water treatment.The method comprises the following steps that a multi-wavelength LED light source in online monitoring equipment is used for exciting different algae in a water sample to emit fluorescence, a spectrograph is used for collecting three-dimensional fluorescence spectrum data generated by algae groups, and the three-dimensional fluorescence spectrum data is used for analyzing the three-dimensional fluorescence spectrum data; spectral data is collected and uploaded to a cloud end, and algae standard fluorescence spectral data of an algae database is substituted into an algae calculation model for algae identification; by sequencing the algae identified by the model, the category and concentration of the main algae are confirmed, the growth stage is judged, and preset ultrasonic execution parameters in an ultrasonic database are called; according to data in the weather and algae historical outbreak database, ultrasonic execution parameter execution conditions are adjusted in an auxiliary mode; the specific ultrasonic wave matrix executes the adjusted ultrasonic execution parameters and uploads operation records; and correcting the ultrasonic execution parameters and the execution conditions according to the historical alarm records and the operation records.

This invention provides an algae cultivation system that can promote algal growth by utilizing carbon dioxide contained in biogas generated in a methane fermentation tank, while also reducing water consumption. [Solution] An algae cultivation system comprising: a methane fermentation tank configured to produce biogas containing methane and carbon dioxide by methane fermentation of biomass; a carbon dioxide absorption tower configured to produce carbonated water by dissolving the carbon dioxide contained in the biogas produced in the methane fermentation tank in water; an algae cultivation tank for culturing algae; a culture solution supply line configured to supply a culture solution containing carbonated water produced in the carbon dioxide absorption tower to the algae cultivation tank; a first solid-liquid separation device configured to separate algae and water discharged from the algae cultivation tank; and a water return line configured to supply water discharged from the first solid-liquid separation device to the carbon dioxide absorption tower.

The utility model provides a kind of for inhibiting the growth of algae in fish pond Microorganism uniform feeding device belongs to fish pond breeding technical field;Including: fixed vest, the front wall surface of fixed vest is equipped with rotating structure, the side of rotating structure is equipped with counterweight structure, the side wall surface of rotating structure is equipped with extension structure, the rear wall surface of fixed vest is equipped with loading structure;Rotating structure includes: rotating support seat, rotating shaft and rotating support frame;Rotating support seat is installed in the front wall surface of fixed vest, rotating shaft is installed in the front wall surface of rotating support seat, rotating support frame is movably installed in the front wall surface of rotating shaft;The device can carry out microorganism algae control to target fish pond, through length adjustment, the distance of position and fish pond bank of feeding microorganism can be controlled, and through the moving speed of operator, the density of feeding microorganism is controlled, under the combination of different distance and speed, more comprehensive, uniform algae control biological feeding of fish pond is realized.