109 results about "Total dissolved solids" patented technology

The invention provides a zero-discharge treatment process for recycling production wastewater, and relates to the technical field of water treatment and recycling, and the zero-discharge treatment process comprises the following steps: S1, oxidizing and degrading COD through ozone and a Fenton reagent, and generating a flocculatable intermediate; s2, intercepting suspended matters by using a gradient aperture filter bed in a grading manner, and monitoring a dynamic membrane resistance coefficient delta Rm in real time to automatically trigger backwashing; s3, coupling an ultrafiltration reverse osmosis membrane to realize that the organic matter rejection rate eta is greater than or equal to 98%, and synchronously regulating and controlling flux and operation pressure by an online spectrometry; s4, regulating and controlling the current density by adopting a rotational flow electric flocculation reactor for directional crystallization to produce industrial salt with Cl <-> less than or equal to 50mg / L; and S5, based on the total dissolved solid recovery rate TR and the comprehensive energy consumption, establishing a multi-target optimization model for real-time parameter adjustment. According to the method, a membrane pollution early warning and backwashing dynamic response mechanism is constructed through cross-scale cooperative regulation and control of delta Rm and the retention rate eta, and a catalytic oxidation effect strengthening and electric crystallization parameter self-tuning technology is combined, so that the problem of cooperative optimization of high-salinity wastewater salt gradient separation and pollutant deep removal is solved.

The invention discloses a multi-parameter water quality detection device and method, and the device comprises a collection front end which is made of a quartz material, is integrated with a UV optical module and an electrochemical module, and is used for collecting optical and electrochemical signals of water quality parameters; the temperature probe is used for measuring the environment temperature in real time and outputting a temperature compensation signal; the detection electrode is used for driving and detecting the total dissolved solids through alternating voltage; the UV detection module comprises a UV emission lamp bead and a UV photosensitive lamp bead, is arranged in the collection front end in a correlation manner and is used for detecting the absorbance of the water sample so as to calculate the chemical oxygen demand and the total organic carbon; and the control mainboard is electrically connected with the temperature probe, the detection electrode and the UV detection module, is internally provided with a temperature compensation algorithm, and is used for processing signals and outputting TDS, COD and TOC parameters. According to the invention, UV optics, electrochemistry and temperature compensation technologies are integrated, the limitation of traditional single-parameter detection is broken through, integrated detection of TDS, COD and TOC multiple parameters is realized, and the problem of synchronous measurement of multiple parameters is solved.

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 invention provides a water quality dynamic monitoring method and system based on underground water level, and relates to the technical field of water quality dynamic monitoring, the method comprises the following steps: calculating a correction coefficient based on historical data, seasonal change, rainfall and geological activity; adjusting the annual average change rate through the correction coefficient to obtain a final underground water level change trend; according to the final groundwater level change trend, setting a water quality abnormity monitoring point in the region where the groundwater level is abnormally changed, so as to obtain corresponding abnormal water quality data; according to the abnormal water quality data, regularly collecting water samples in the abnormal water quality data, detecting various indexes of the water samples, including chloride content, conductivity and total dissolved solids, and analyzing the change condition of the water quality so as to evaluate the water quality condition of the underground water. According to the method, the robustness to the data quality problem is improved, so that the actual condition of the underground water quality is reflected more accurately.

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.

Multivariate machine learning (ML) techniques can be applied to an XRF spectra and mitigate matrix effects and enable simultaneous quantification of composition, even when markers elements or ions of interest are imperceptible in the XRF spectra. Physical (e.g., density) and chemical (e.g., total dissolved solids and hardness) properties of the material can be also quantified using ML techniques.

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.

This invention relates to a water treatment device 10 and more particularly, but not exclusively, to a water treatment device which incorporates or may be used in conjunction with a water monitoring s

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. %.

A method and system for computing a stable index value of fresh water based on water quality category and / or grade from current values of root commodities (i.e. freely marketed products) that either have fresh water as a constituent and / or utilize fresh water in their production, usable to develop a stable investment instrument for investing in fresh water. A processor may process associations between a root commodity and a water quality category of fresh water. A display associated with a computer may display updateable current prices of fresh water of a particular water quality category and / or grade and updateable current prices of one or more root commodities. A water measurement device may measure at least one water source of fresh water with respect to at least one of TDS, carbonate content, pH, hardness, sodium, chloride, nitrate, toxins and sodium adsorption ratio and compare against standards to categorize the fresh water.

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 provides a liquid quality control method and device and liquid output equipment. The method comprises the steps of obtaining a liquid quality control instruction; acquiring a second total dissolved solid value of stock liquid in the liquid output equipment; under the condition that the first total dissolved solid value is different from the second total dissolved solid value, determining a target removal degree corresponding to the to-be-input liquid based on comparison information; based on the preset flow of the output liquid, the first total dissolved solid value, the second total dissolved solid value and the target removal degree, flow information used for guiding liquid mixing is generated. The invention provides a more adaptive liquid quality control scheme, which is beneficial to obtaining the target liquid with different total dissolved solid values, and is beneficial to enabling the removal degree of the preset substance to be more diversified, thereby improving the flexibility of liquid quality control.

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 embodiment of the invention discloses a water quality information display method and device, a faucet and a medium, and is applied to the technical field of water purification. The method comprises the steps that after the faucet is opened, water quality detection parameters of drinking water are obtained, and the water quality detection parameters comprise the pH value and / or the total dissolved solid value; determining a target filling color gradation of the color bar in the color bar indication area according to the water quality detection parameters; and performing color gradation filling on the color bar to the target filling color gradation based on a preset color gradation filling direction so as to display the water quality detection parameters in the color bar indication area. Therefore, according to the scheme, the user can be helped to know and monitor the water quality, water possibly harmful to health is prevented from being drunk, more accurate water quality management is facilitated, water quality detection parameters are displayed in a visual mode, the safety and quality of drinking water are improved, the participation sense and satisfaction degree of the user are enhanced, and therefore the user experience is improved while health is guaranteed. And the life quality is also improved.

Differential density system and method. A differential pressure transmitter measures a pressure difference between first and second pressure sensing locations. A reference vessel in fluid communication with the first pressure sensing location contains a reference fluid and a sample vessel in fluid communication with the second pressure sensing location contains a sample fluid. The reference fluid is in a first column above the first pressure sensing location and the sample fluid is in a second column above the second pressure sensing location. The second column is of substantially equal height as the first column. A value of total dissolved solids (TDS) in the sample fluid is determined based on the pressure difference.

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.