86 results about "Total dissolved solids" patented technology

The invention discloses a virulence factor gene relative abundance prediction model based on water quality physicochemical indexes, and relates to the technical field of ecological environment protection, and the virulence factor gene relative abundance prediction model comprises the following steps: taking a plurality of river water samples, obtaining virulence factor gene relative abundance of the river water samples, and obtaining water quality physicochemical index data of the river water samples; temperature, redox potential, ammonia nitrogen, nitrate nitrogen, nitrite nitrogen, total nitrogen, total dissolved solids, pH, conductivity, chlorophyll-a, chemical oxygen demand, dissolved oxygen, total organic carbon, total phosphorus, organic nitrogen, phosphate, carbon-nitrogen ratio and organic nitrogen / total nitrogen are taken as explanatory variables, and relative abundance of virulence factor genes is taken as a target variable. And establishing a regression model by adopting a GBM algorithm in an h2o packet in R software, and predicting the relative abundance of the virulence factor gene of the river water sample to be detected by utilizing the prediction model. The research provides a brand new method for predicting the relative abundance of the virulence factor gene and analyzing the environmental response of the virulence factor gene, and the method is suitable for identification and interpretation of a high-dimensional nonlinear ecosystem with complex interaction.

The invention provides an ice making method and system, an intelligent electric appliance, a storage medium and a program product. The ice making method is used for the ice making device and comprises the steps that water quality parameters of ice making water are obtained, and the water quality parameters at least comprise a total dissolved solid value; determining target control parameters in the ice making process according to the water quality parameters; and controlling the ice making device to operate based on the target control parameter so as to form ice blocks. The method has the advantages that the water quality parameters are introduced to serve as the decision basis of ice making control, so that the ice making process can be adaptively adjusted according to different water quality conditions. According to the method, the fine control capability of the ice making process is improved, so that ice block products better meeting the expected quality can be obtained, and the consistency and stability of the ice making effect are improved.

A water path system, comprising a partition plate (721), a booster pump (75), a raw water tank (72), a purified water tank (73), a water purifier (74), a total dissolved solids meter (96), and a concentrated water valve. The water purifier (74) is provided with a water inlet end (23), a concentrated water outlet end (24), and a purified water outlet end (25). The partition plate (721) partitions an inner bottom surface of the raw water tank (72), such that the raw water tank (72) is divided into a raw water tank (7211) and a concentrated water tank (7212). An input end of the booster pump (75) is communicated with the raw water tank (7211) by means of a pipe. An output end of the booster pump (75) is communicated with the water inlet end (23) by means of a pipe. Two ends of the concentrated water valve are respectively communicated with the concentrated water tank (7212) and the concentrated water outlet end (24) by means of pipes. The purified water outlet end (25) is communicated with an input end of the purified water tank (73) by means of a water outlet pipe. The total dissolved solids meter (96) is arranged on the water outlet pipe. The total dissolved solids meter (96) is used for detecting a liquid flowing through the water outlet pipe. The water path system can utilize concentrated water for recycling, thereby effectively saving water resources.

The invention provides a direct drinking water equipment water quality data analysis and accurate control method based on an intelligent algorithm, and relates to the technical field of intelligent control of direct drinking water equipment.The method comprises the steps that water quality data including the total dissolved solid content, the pH value, the oxidation-reduction potential, the residual chlorine concentration and the temperature are collected in real time through a multi-sensor module; performing dynamic standardization preprocessing on the data to generate a multidimensional feature vector containing a timestamp; the water quality state is evaluated based on a water quality dynamic deviation index WDDI and a system response efficiency coefficient SRE, the WDDI quantifies the parameter dynamic deviation degree through a piecewise function, and the SRE represents the equipment response efficiency through a polynomial regression model; an NSGA-II algorithm and LSTM prediction are fused to generate a dynamic control strategy set; an optimal strategy is screened according to the real-time SRE value, and filter element mode switching, backwashing adjustment and sterilization power adjustment are driven; algorithm parameters are optimized through closed-loop feedback, and abnormal detection and safety mode switching are achieved in combination with an isolated forest algorithm.

The present invention provides a method and system for dynamic water quality monitoring based on groundwater level, which relates to the technical field of dynamic water quality monitoring. The method includes: calculating a correction coefficient based on historical data, seasonal variations, rainfall, and geological activities; adjusting the annual average change rate by the correction coefficient to obtain the final groundwater level change trend; setting water quality anomaly monitoring points in areas where the groundwater level has abnormal changes according to the final groundwater level change trend to obtain corresponding abnormal water quality data; regularly collecting water samples from the abnormal water quality data according to the abnormal water quality data, detecting various indicators of the water samples, including chloride content, conductivity, and total dissolved solids, and analyzing the changes in water quality to evaluate the water quality status of groundwater. The present invention improves the robustness to data quality problems, thereby more accurately reflecting the actual situation of groundwater quality.

A water faucet and water purification equipment with mineralization are provided. The water faucet includes: a body; an obtaining module, arranged at the body and configured to obtain a PH value and / or a Total Dissolved Solids (TDS) value of water; and a display module, arranged at the body and configured to display the PH value and / or the TDS value. A waterway is arranged in the above body. The obtaining module is arranged in the water faucet, and can obtain a PH value and / or a TDS value of water input to the water faucet and obtain a PH value and / or a TDS value of water output from the water faucet. After obtaining the PH values and / or the TDS values of the water input to and output from the water faucet, the obtaining module inputs the values to the display module, the display module displays the PH value and / or the TDS value.

Systems and methods for exacting elements of interest, such as lithium, from an aqueous material are described herein. The systems generally use multiple vessels with selective media in each vessel to accomplish extraction of the element of interest. The vessels are operated in cyclic, permuted fashion to move between absorption and desorption operations by routing flows of streams for accomplishing such operations among the vessels in programmed ways. Sensors configured to detect total dissolved solids, or a parameter related to total dissolved solids, are used to detect endpoints for mode switching and to ascertain other aspects of system performance.

A water faucet and water purification equipment with mineralization are provided. The water faucet includes: a body, a water faucet filter element, an obtaining module, and a display module. The body is provided with a mineralization waterway; the water faucet filter element and the obtaining module are arranged at the mineralization waterway; the obtaining module is configured to obtain a PH value and / or a Total Dissolved Solids (TDS) value of the mineralization waterway; the display module is arranged at the body and is configured to display the PH value and / or the TDS value obtained by the obtaining module. Water in the mineralization waterway is mineralized through the water faucet filter element. After the obtaining module obtains the PH value and / or the TDS value, the PH value and / or the TDS value is displayed through the display module, to achieve visualization of water quality of the water faucet.

The present application provides a water purification device control method, a water purification device, and a medium. The water purification device comprises a reverse osmosis filter assembly and a booster water pump corresponding to the reverse osmosis filter assembly. The booster water pump comprises an impeller and a motor for driving the impeller. The method comprises: acquiring a total dissolved solids value of water in pipes of the water purification device; determining a target control parameter of the motor on the basis of the total dissolved solids value; and controlling the motor on the basis of the target control parameter, such that the rotational speed of the motor is positively correlated with the total dissolved solids value.

A composition for use in well stimulation operations, the composition comprising a saline fluid, the saline fluid comprising between 50,000 ppm and 70,000 ppm total dissolved solids; a polymer, the polymer operable to react with a crosslinker to increase a viscosity of the saline fluid; a zirconium-containing crosslinker, the zirconium-containing crosslinker operable to react with the polymer, and a chelating agent, the chelating agent comprises diethylenetriaminepentaacetic acid (DTPA), wherein the DTPA is present in an amount between 0.1 wt. % and 0.4 wt. %.

The invention relates to an alkaline ionized water preparation device with multi-stage pretreatment and reverse osmosis functions, and belongs to the technical field of alkaline ionized water preparation.The alkaline ionized water preparation device with the multi-stage pretreatment and reverse osmosis functions comprises a backwashing assembly, and the backwashing assembly comprises a first storage bin, a second storage bin and a third storage bin; and one side of the top of the storage bin I is fixedly communicated with a pretreatment assembly. Through a five-stage purification system of a PP cotton filter plate, a stainless steel filter screen plate, an activated carbon filter, a high-efficiency filter and a reverse osmosis membrane, stepped interception from large particles to tiny colloids is realized by the first four stages of pretreatment mechanisms; and the reverse osmosis membrane further intercepts inorganic salts, heavy metals and microorganisms of which the molecular weight is less than 100Da, so that the TDS value (total dissolved solids) of the primary purified water is reduced to be less than 50mg / L, and a foundation is laid for the preparation of the high-quality alkaline ionized water.

An icemaking appliance(100) and method for reducing total dissolved solids (TDS) includes determining, via a sensor(184) configured to determine TDS in water at the icemaking appliance(100), a magnitude of TDS at or above a threshold level, and opening a valve(180) positioned to selectively flow water from the icemaking vessel through an outlet conduit(131) to selectively flow water from an icemaking vessel through the outlet conduit(131). A conduit(124,132) fluidly couples an upper reservoir(110), the icemaking vessel, and a lower reservoir(120) in serial flow arrangement. A pump(170) selectively flows water from the lower reservoir(120) to the upper reservoir(110) and the icemaking vessel. A heat exchanger system selectively operates to remove heat from the icemaking appliance(100) to generate ice. A controller(200) selectively operates the valve(180), the pump(170), and the icemaking vessel.

The embodiment of the invention discloses a control method and device for the effluent hardness of a water softener, the water softener and a storage medium. The method comprises the steps that the effluent hardness of a softening unit of the water softener is predicted through a softened water hardness prediction model based on the total amount of inflow water soluble solids of the water softener and the total amount of effluent soluble solids of the corresponding softening unit; obtaining target water outlet hardness set by a user, and determining a target state of a water inlet mixing control valve based on the water inlet hardness of the water softener, the water outlet hardness of the softening unit and the target water outlet hardness to obtain a target water inlet valve state; the valve state of the water inlet mixing control valve is set to be the target water inlet valve state so as to control the proportion of water inlet mixing of the water softener to water outlet of the water softener, and the water outlet hardness of the water softener is made to be the target water outlet hardness. According to the embodiment of the invention, the water demand of a user on water outlet of water softeners with different hardness can be met.

Systems and methods for exacting elements of interest, such as lithium, from an aqueous material are described herein. The systems generally use multiple vessels with selective media in each vessel to accomplish extraction of the element of interest. The vessels are operated in cyclic, permuted fashion to move between absorption and desorption operations by routing flows of streams for accomplishing such operations among the vessels in programmed ways. Sensors configured to detect total dissolved solids, or a parameter related to total dissolved solids, are used to detect endpoints for mode switching and to ascertain other aspects of system performance.

A composition for use in well stimulation operations, the composition comprising a saline fluid, the saline fluid comprising between 50,000 ppm and 70,000 ppm total dissolved solids; a polymer, the polymer operable to react with a crosslinker to increase a viscosity of the saline fluid; a zirconium-containing crosslinker, the zirconium-containing crosslinker operable to react with the polymer, and a chelating agent, the chelating agent comprises diethylenetriaminepentaacetic acid (DTPA), wherein the DTPA is present in an amount between 0.1 wt. % and 0.4 wt. %.

There is described a system (12) for estimating a total dissolved solids (TDS) concentration in boiler water, comprising: a sensor (14) having a transmitter configured to transmit a radio frequency or microwave signal into the boiler water and a receiver configured to receive a reflected signal from a reflection of the radio frequency or microwave signal by the boiler water; and an analysis module (16) configured to determine a conductivity value of the boiler water based on the reflected signal and to determine a TDS concentration of the boiler water based on the conductivity. A steam boiler including the system is also described.

A system and method for increasing total dissolved solids (TDS) concentration and pH of water is provided herein. The water is processed using a variety of filtration and purification methods, including carbon filtration, water softening, reverse osmosis, and electrodeionization. After filtration and purification, the water is pumped into a mineral infusion chamber, including a plurality of bioceramic components. At least one TDS sensor monitors the TDS concentration of the water stream, and a flow rate out of the mineral infusion chamber is controlled by a flow control valve based on sensor data produced by the at least one TDS sensor.

The invention discloses a scale thickness prediction method, device and equipment, a medium and a product. The scale thickness prediction method comprises the steps that an operation data set of a cooling water system in a to-be-predicted machine room is acquired, and the operation data set comprises water hardness, total dissolved solids, the pH value, the water flow velocity, the water temperature and the operation duration; inputting the operation data set into a scale thickness prediction model to obtain a predicted water pipe scaling thickness output by the scale thickness prediction model; the incrustation thickness prediction model is obtained by taking an initial fuzzy neural network as a basic model and performing global optimization training on parameters of the basic model by adopting a Zhuang Gracula tenuifolia optimization algorithm. According to the technical scheme, the accuracy of the scaling thickness of the machine room water pipe can be improved.

This invention relates to the field of wastewater treatment technology and discloses a wastewater treatment method and apparatus. The wastewater treatment method of this invention includes the following steps: classifying the wastewater into primary, secondary, and tertiary water categories based on the total dissolved solids (TDS) content. Adjusting the water quality parameters of the tertiary water categories, and then allocating the tertiary water categories into various subcategories based on the adjusted parameters. First, the wastewater undergoes preliminary screening and classification, with the water having the highest TDS content designated as primary water, the second highest as secondary water, and the lowest as tertiary water. Further adjustment is then made to the tertiary water category with the lowest TDS content, changing the water quality parameters to create various subcategories with different parameters. Each subcategory can be applied to different scenarios, further improving the wastewater recycling rate and applicability.

The invention discloses a freeze crystallisation and separation method including arrangement therefore which includes the steps of selective temperature regulation to foster the growth of water ice and salt crystals, segregated by their density and wherein ice crystals float, while salt / mineral crystals sink after mixed slurry was deposited at the lower end of the tank and internal filtration pipes places to filter brine and Low TDS (total dissolved solids) water preventing crystals entering the flow; and of multi-function tank (MFT) separation incorporating a heat recovery mechanism using compressor discharge gas to melt the ice, optimising energy efficiency and reducing overall power consumption. Inlet brine flow is controlled by measurement of Low TDS water extraction quality to control the Low TDS water floating level and subsequent brine layers. The outlet brine or concentrate and solid slurry discharge is controlled based on the fraction of the Low TDS water outlet volume.

A reverse osmosis filtration system including automatic flushing of a filter membrane to prevent total dissolved solids TDS creep.

Systems and methods for exacting elements of interest, such as lithium, from an aqueous material are described herein. The systems generally use multiple vessels with selective media in each vessel to accomplish extraction of the element of interest. The vessels are operated in cyclic, permuted fashion to move between absorption and desorption operations by routing flows of streams for accomplishing such operations among the vessels in programmed ways. Sensors configured to detect total dissolved solids, or a parameter related to total dissolved solids, are used to detect endpoints for mode switching and to ascertain other aspects of system performance.

A method for producing an injection water for a reservoir includes receiving a brine that is produced based on a reverse osmosis of water, performing a separation of the brine, producing a concentrated brine based on the separation of the brine, and producing, based on the concentrated brine, the injection water suitable for use in maintaining a reservoir pressure. Performing the separation of the brine includes performing at least one of a filtration, a membrane distillation, or a forward osmosis. The concentrated brine has a lower sulfate level and NaCl level and a higher total dissolved solids (TDS) level than the brine.

The invention relates to the technical field of functional materials, in particular to a composite material for preparing hydrogen-rich water and a preparation method and application thereof, and the composite material is prepared by mixing tourmaline and forsterite according to the mass ratio of (1: 9)-(4: 6), grinding and sintering at high temperature. The material has the beneficial effects that when the material is in contact with water, the material can synergistically and continuously release high-concentration hydrogen molecules (the hydrogen value can reach more than 3000ppb), the escape of the high-concentration hydrogen molecules is effectively slowed down, and the shelf life of hydrogen-rich water is remarkably prolonged. Meanwhile, the material can emit far infrared rays of 4-16 microns, so that the treated water is weakly alkaline (pH is about 8.5) and low in total dissolved solid content (TDS is about 20), and a small molecular group water structure is formed. The invention further provides a preparation method of the material, and the preparation method is simple in process and environmentally friendly. The composite material can be widely applied to preparation of health-care drinking water and functional drinks or used as a filling material of a water treatment filter element, and has the advantages of high efficiency, stability, integration of multiple functions, safety and convenience.

The present invention relates to a mineral control and ionisation system for purifying seawater comprising: a seawater or raw water influent inlet pipe; an ozone generator for injecting ozone into the water inlet pipe; a solids filtration assembly formed by a first filter configured to remove suspended solids and settleable solids in the water, humic and fulvic acids, various volatile organic compounds, fats and proteins, and agrochemicals, and to eliminate odour and colour in the water; a second organic cation resin filter configured to negatively recharge the cation resin and sequester 45% of all minerals formed by carbonate salts and dissolved solids, and to control the total dissolved solids (TDS) and the total seawater hardness; and a third multimedia filter with bituminous activated carbon configured to remove odour, flavour, chemical residues and colour (crystallisation) that may remain in the water, and to positively recharge the ions in the water. The system also comprises an assembly of magnetic conditioners configured to generate a magnetic field which moves the salts from their equilibrium point and modifies the physicochemical properties of the water; a reverse osmosis module where the levels of electrical conductivity, TDS, total hardness and pH are periodically controlled by reject and recirculation meters; and a UV light and / or ozone and / or quantum alumina exposure means configured to purify water coming from the reverse osmosis module, in compliance with international and Mexican regulations on treated water for human use and consumption. The system further comprises a treated water storage and holding tank configured to prevent the formation of algae, bacteria and cyanobacteria using ultrasonic equipment that emits sound waves at different frequencies, propagating at speeds of 2,000 m / sec, thus preventing blue-green algae growth in the stored water; a magnetic conditioner that controls the minerals in the stored water; an automated control board to

The invention discloses a water pipe scaling thickness determination method and device based on a data center machine room, and relates to the field of artificial intelligence. The method comprises the following steps: taking water hardness information, total dissolved solid information, pH value information, water flow velocity information, water temperature information and collection time information collected from a water pipe as model input variables; according to prior knowledge learned by a fuzzy neural network model in a model training stage, a water pipe scaling thickness at a target moment is determined according to a model input variable, and a training target of the fuzzy neural network model comprises: according to a training sample set and a network parameter set, and adjusting the membership degree and the weight parameter of the fuzzy neural network by using a starfish optimization algorithm until the loss function value of the fuzzy neural network reaches a preset threshold. The technical problems that in an existing pipeline scaling prediction method, parameter coupling optimization is difficult, local convergence is prone to falling into a local optimal solution, and consequently pipeline scaling thickness detection is inaccurate are solved.

The invention discloses a multi-source index fused underground water ecological threshold grading dynamic early warning method. The method comprises the following steps: constructing an early warning index system including landform, aeration zone lithology, rainfall infiltration supply intensity, underground water level burial depth and TDS (Total Dissolved Solids); dividing the value range of the early warning index into continuous warning levels and assigning values; constructing a judgment matrix, determining a relative weight corresponding to the early warning index, determining a GWES, and carrying out early warning classification on the GWES; and setting a plurality of future early warning scenes to carry out early warning evaluation. According to the multi-source fusion early warning index system, the limitation of traditional single index evaluation is broken through; the GWES is determined through standardized assignment and index weight, so that the relative importance of each early warning index in an ecological system is reflected, the objectivity and ecological correlation of early warning grading are remarkably improved, the subjectivity of manual division is overcome, the data space heterogeneity feature is fully reserved, and the early warning grading efficiency is improved. And the early warning result can reflect the overall trend and the local difference.

The utility model discloses a water purification system capable of reducing the TDS (total dissolved solid) value of head-section water and a water purifier. The water purification system comprises a pressure reducing valve, a composite filter element, a water inlet electromagnetic valve, a booster pump and a reverse osmosis purification unit which are sequentially connected in series along the water flow direction of a raw water pipeline, a wastewater pipeline is arranged on the concentrated water side of the reverse osmosis purification unit; a TDS sensor, a first one-way valve and a pressure sensor are sequentially arranged on the pure water side of the reverse osmosis purification unit in series, and the tail end of the pure water pipeline is used for being connected with a faucet; a first water outlet pipeline is communicated between the TDS sensor and the first one-way valve, the other end of the first water outlet pipeline is connected between the water inlet electromagnetic valve and the booster pump, and a second one-way valve, a water storage container, a backflow electromagnetic valve and a third one-way valve are sequentially arranged in series in the water flow direction of the first water outlet pipeline. The reverse osmosis water purifier can solve the problem of high TDS (total dissolved solids) of head-section water, and can prolong the service life of the reverse osmosis purification unit.

The present application relates to systems and methods for treating high total dissolved solids wastewater. Systems and methods are provided that enable efficient biological treatment of high salt concentration fluid streams (e.g., spent caustic) to reduce the COD concentration in the fluid stream, the method comprising: a) subjecting the wastewater to wet air oxidation to remove an amount of COD from the wastewater and produce a first treated stream comprising a TDS concentration of at least about 10 g / L and a first reduced COD concentration; b) subjecting the first treated stream to a biological process in a bioreactor comprising an amount of biomass and powdered activated carbon therein, wherein the biological process produces a second treated stream comprising at least a second reduced COD concentration.

The invention relates to the technical field of household appliances, in particular to a control method of a water purification system, a computer readable storage medium and the water purification system. The control method of the water purification system comprises the following steps: according to a pure water taking mode started by a user, recording the reading of the flowmeter as the water flow; the temperature and / or the total dissolved solid amount of water in the water passing pipeline are / is obtained, and a correction coefficient is obtained according to the temperature and / or the total dissolved solid amount; calculating the actual wastewater flow according to the product of the preset wastewater flow and the correction coefficient; the difference value between the water passing flow and the actual waste water flow is used as the pure water flow during pure water taking; recording the reading of the flowmeter according to the mode of taking the purified water or the mode of opening the flushing by the user so as to obtain the flow of the purified water when the purified water is taken. The flow meter is arranged on the water passing pipeline arranged between the composite filter element and the reverse osmosis membrane filter element, and the pure water flow is calculated and the purified water flow is obtained by utilizing the reading of the flow meter and a correction coefficient obtained by the temperature of water in the water passing pipeline and the total dissolved solid amount.